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TTS Golf RoToR oWNERS MANUAl

1. Insert the replacement nozzle into the nozzle housing with the tab positioned to the right Press firmly until it stops Turn the nozzle retaining setscrew clockwise while making sure that the setscrew does not distort the nozzle Lower the setscrew in front of the nozzle only as far as necessary to prevent nozzle movement Take care not to position the setscrew in front of or against the nozzle s orifice as performance can be negatively affected If the nozzle size or color has been changed please note that the adjustable stator will likely need to be reset Refer to the Stator Adjustment section below for information on how to reset the stator FHIG 27 FIG 28 FIG 2 Hunter GOLF NOZZLE REPLACEMENT G35 amp G75 RISERS To view and replace the nozzles it is necessary to compress the riser spring by grabbing the riser seal assembly fig 27 above pressing downward and then holding riser firmly to prevent the spring from moving upwards The G35 nozzles are yellow with single orifices The G75 nozzles are color coded with two orifices All nozzles are retained in the nozzle housing turret with a setscrew fig 30 Each setscrew has a 2 inch Allen wrench recess at the top On the G35 or G75 rubberized logo cap locate the arrowhead shaped area directly above the nozzle fig 31 Insert the metal end of the Hunter wrench or a 2 inch wrench into the membrane within the arrow that is directly above the nozzle to be replaced En
2. TTS GOLF ROTOR OWNERS MANUAL INSTALLATION OPERATION amp SERVICING TECHNIQUES FOR G835 G870 G875 G880 G990 amp G995 ROTORS Hunter GOLF TABLE OF CONTENTS BI Te CIN cepa peaeente cy seg E E E A A sate E E EE EE R E E 1 WAG OLIN GUIS IN GE ee crane en a E E E E N E E E 2 INSTALLATION AND OPERATION esses eect patentee eels ae octet ccna eta selon er ment aeat esneasisnesstesee 3 Pipe Conmecions All Model S ersen EE e ee cee ee eee ey ene 3 Solenoid Connections Electrice VIH Models seere EEE TOR E A EEE EA EAE EEE EE 4 Ole cen Or elecion Eleciic VA Mode Esses E EEEE EEEE 5 Control Tubing Connections C O M Models Converted To Hydraulic Configuration ccccccceccecsecsseeeseeeseeeeesteesseenteeniees 6 RISER SERVICING AND ADJUSTMENTS a Sedoenscnssedeacenterslucstactusns tne enian ea EEE e neS Eae S aa Ea S a a EESE EE EE Sane S 7 Ueper snap tng SOOO Garesen a EEE S E 7 Upper Snap ting Removal G900 S6rieS sceiserissibscinsoreni eisien eskei PiS EEEE E ie ee E E E PAES EEEa 8 Rer Removal All Model seresa ene eee nee ener ee 9 Arc Adjustment Preparation G35 G75 amp G95 Pan Circle RISSI Sassen orsnereniatiesunstencstawtnwiieranvindietenetered ied tur ieadeoneboreet 9 Arc Adjustment Procedure G35 G75 amp G95 Adjustable Part Circle RIS MS ccccccccccecceessceesseeeesseeseseeeeseeesseeecsseesesseensees 10 Neze Replacemenl Goi 08 RISES NNN ne eaten ee eae ee eee tee ee eee ee eet eee ene eee eee eee eee anne er ere
3. The G80 riser has three color coded opposing nozzles All G80 nozzles are retained in the nozzle housing by the shroud fig 33 that covers the nozzle housing turret To remove the shroud use a Phillips head screwdriver and remove the stainless steel screw at the top of the riser by turning it counter clockwise Prior to removal of the shroud take note that the large nozzle arrow on top of the shroud s rubberized logo cap is orientated directly over the larger long range nozzle fig 34 This will help with the shroud installation process later While firmly holding the compressed spring and seal assembly downward grab and lift the shroud off the nozzle housing fig 35 If preferred slowly lift and release the compressed spring and seal assembly then remove them from the riser assembly Note the orientation of the seal assembly for installation later Or alternatively continue to firmly hold the compressed spring and seal assembly downward while removing and replacing nozzles To remove the G80 long range primary nozzle use needle nose pliers to grab the nozzle s orifice then pull outward fig 36 Discard the old nozzle as the removal process can damage the nozzle and negatively affect the performance Prior to nozzle replacement note that there is a notch recessed area on the nozzle s outer ring Insert the replacement nozzle into the nozzle housing with this recess positioned at the top The correct orientation of the recessed area i
4. fits into on top of the riser fig 12 Also note that the pin and hole locations are different for the G90 and G95 risers Once the rubberized logo cap is removed use the heal on the palm of your hand to forcefully press the riser assembly down fig 13 and below the rubberized wiper seal on the snap ring assembly fig 14 When the rotor is dry without water within more force is required If sprinkler is installed and has been activated the water acts to lubricate the wiper making the procedure much easier FIG 13 FIG 14 FIG 15 FIG 16 FIG 17 Hunter GOLF To remove the snap ring assembly hold Snap ring Tool vertical over the rotor s upper snap ring area Align the metal end of the snap ring tool to the indicator on the snap ring s rubberized wiper seal fig 15 Use the palm of the other hand to drive the tool downward amp through the rubberized membrane fig 16 Tool should penetrate about inch into the snap ring assembly While holding the tool within the snap ring press the tool s handle downward and away from the center of the rotor As the tool is pressed downward the snap ring will lift from the rotor While using the tool to hold the snap ring in this elevated position use the other hand to pull the snap ring from the rotor fig 17 If the snap ring s rubberized wiper seal appears to be the only part that is lifting the tool has not penetrated into the snap ring far enough RISER REMOVAL ALL MODELS To
5. the remaining portion of the snap ring can be installed by pressing in a counter clockwise motion around the snap ring Prior to installing the rubberized logo cap the riser assembly must be pulled up above the upper snap ring s rubberized seal If this procedure is not followed the rubberized logo cap s stainless steel screw cannot reach the riser assembly below and attachment will be impossible To pull the riser assembly above the upper snap ring s wiper seal first locate the lift up socket on top of the riser assembly Using the T Handle Tool or Snap ring Tool or Hunter Wrench insert the tool into the lift up socket turn turn tig 67 Next lift the riser assembly up until the nozzles can been seen above the upper snap ring assembly fig 68 Slowly release the riser assembly downward until the riser assembly rests on top of the upper snap ring assembly fig 69 As the rubberized logo cap is installed note there is a protruding pin on the underside of the rubberized logo cap fig 70 This pin is the alignment feature on the rubberized logo cap that must be oriented and inserted into the riser assembly correctly Proper alignment and installation of the protruding pin allows the nozzle direction arrows on the rubberized logo cap to be positioned over the nozzles below Note which hole in the top of the riser that the pin fits into fig 71 Also note that the pin and hole locations are different for the G90 and G95 rotors Install t
6. 11 Hoze Replacement G30 amp O7 DRSC ee cutee aE eE a EE EEES SE E an a RE AES E 12 me Replacement G80 RISETS eeii iraia beela E snes noe eaae E i atada eiei aa eiai 13 nezze roe GIO E ccccccssccsecsecssncesssnesesaceseccecnssevensnsesnecsasceensnsesnaneeescecsnanesnenseeenesecaecsaanecaenenenseeveacsesnanesanes 14 Eme k placement G RISES sarerea E A a OE NEE EAA EEE 15 Riser Seal Replacement G35 G70 amp G75 RISES apace pssrwncedusesieeniucnsipennavonenescewaie sie eose Eee a E EES AEN ane E aE ENEE EESE DEER Si 16 Riser osal Replacement GBO RISES aerer a e ee a EA a nee eee 17 Riser Seal Replacement G90 amp G95 RISETS ccceesessesscsssscessscenssssensncessaeesacseensnsesesessceeesstnessensessesessenssssterseeerseeeees cpa 19 Riser Filter Screen Servicing All TTS ROtOTS ccacsseccseeseatsais sossveciseesevstasiareaeter saad sed aendatea cd sedesvesie tocrtaed davon danas egg 20 Stator Adjustments Why and when are they needed ce secesetseensstesersessneeetieertseestertesenses s gel 2i Stator Adjustments G35 G75 amp G95 Adjustable Part Circle RISers c c0 csssessseeessse sag 21 Stator Adjustments G80 RiSEerS sseessesssersrsirssrertesseserenroenesserenrsntentissosreoreosniesarsnrsnrenrenna es ee oa 22 Stator Adjustments G90 amp G95 RiSerS c cesccseresereeeseeestessetseeersessesetesrersests s seoa 23 Riser Replacement Full Circle RiISEerS ciisniresrssi
7. Teflon tape PVC cement or other thread sealant materials to connect the TTS rotor to the Acme fitting If needed a small amount of Dow Corning 111 Valve Lubricant or pure petroleum jelly like Vaseline can be used around the O Ring on the Acme fitting Other lubricants can deteriorate the fitting and cause leakage Thread the Acme fitting into the G800 Series rotor clockwise until it bottoms out no further rotation is possible Then turn the fitting in reverse counter clockwise turn The fitting will still seal around the O Ring and this loosened position will allow minor rotation of the rotor s body after installation TYPICAL NPT OR BSP TYPICAL ACME SWING SWING JOINT FITTING JOINT FITTING WITH WITH TAPERED THREADS O RING SEAL gt Hunter GOLF SOLENOID CONNECTIONS ELECTRIC VIH MODELS TTS Electric Valve In Head models have solenoid lead wires protruding from the rotor s body in the traditional manner Controller field wires can be connected to the rotor using the specified watertight wiring connectors at this sub surface position If specified or requested otherwise the solenoid lead wires and controller field wires can be pulled up into the rotor s flange compartment where the initial connections can be made recommended Regardless of the initial connection point future solenoid repair connections can be made within the flange compartment see Solenoid Servicing later in this manual RECOMMENDED WIRING CON
8. a gray non removable part with the three openings This part is called the stator The stator has a series of numbers engraved into the plastic These numbers are the nozzle size reference numbers To make an adjustment use the blade end of the snap ring tool or a bladed screwdriver to lift the adjustable stator plate off the stator To do so place the tool under one of the two tabs on the post at the center of the stator fig 58 Pry the tab upward and the stator plate will snap off To reset and install the adjustable stator plate notice the small cutout on each of the three sections of the adjustable stator plate Next on the stator find the nozzle number that is being used Simply align any one of the cutouts on the adjustable stator plate with the desired nozzle number on the gray stator fig 59 Then snap the adjustable stator plate down into position Once the stator plate is installed check to make sure the desired nozzle number is visible in the cutout window Finally install the filter screen as outlined above FIG S7 FIG 58 FIG 59 Hunter GOLF STATOR ADJUSTMENTS G80 RISERS Turn the riser upside down remove the filter screen and view the stator area Notice the black part with the three sections extending outward from the center fig 60 This black part on G80 risers is called the adjustable stator plate Beneath the adjustable stator plate is a gray non removable part with the three openings This part is called
9. fig 125 Set the flange lid and screws aside Factory installed flange compartment lids have a large recessed area that can be used for the application of yardage marker placards fig 126 An optional flange compartment lid is available with a raised area for paint tilled engraving of the yardage marker fig 127 This optional version is only available as a replacement part FIG 124 FIG 125 FIG 126 FIG 127 gt Hunter GOLF With the flange compartment lid removed and prior to disassembly take time to note the orientation of the various components within the flange compartment fig 128 This will be valuable later for reference during final assembly In particular notice e How the solenoid wires fold over the top and to the flat side of the solenoid e How in the Auto position the flat on the side of the solenoid faces to the outside e How the pilot valve s fittings and connected tubing point in a specific direction e How the pressure regulator is tucked into position within the compartment Selector Cap Removal The Selector Cap turns the Solenoid when the user changes the ON AUTO OFF settings Under normal operating conditions the Selector Cap should not need replacement The Selector Cap can become damaged if the incorrect tool is used to make ON AUTO OFF selection adjustments Prior to removing the Selector Cap notice that the Solenoid wires run over the top of the Solenoid and out of the Selector Cap on the side of the Sole
10. is no longer usable Contamination within the inlet valve can cause the valve to leak To remove contamination within the inlet valve follow the procedures below Fill a bucket with clean water Using the TTS Valve Flushing Tool insert the stainless steel metal pins on the tool into the holes at the bottom of the inlet valve s screen fig 98 While holding the TTS Valve Flushing Tool in the palm of one hand and the top of the inlet valve with the other hand lower the inlet valve into the bucket of water To clean amp flush contamination from the valve firmly push the tool into the valve fig 99 Resistance will be felt as the valve s internal spring is compressed Cycle the valve open amp closed with the tool multiple times while holding it submerged in the bucket of water Remove the valve from the water and inspect for any remaining contamination Hunter GOLF INLET VALVE INSTALLATION SAFETY WARNINGS Caution If inlet valve also commonly known as a foot valve is not properly installed and held securely in place with a properly installed snap ring the inlet valve can be expelled from the rotor when the piping is re pressurized Serious bodily injury can occur Keep head and body parts away from the rotor when piping is being re pressurized Attention Read and understand the inlet valve installation instructions outline below If you are unsure or not clear on any portion of the installation procedure contact you
11. is supplied to the rotor s nozzles Since the amount of flow through the nozzles is affected by pressure supplying a consistent pressure to every rotor in the irrigation system is beneficial This will help to ensure that all rotors with the same size nozzles will have the same application rate also known as the precipitation rate Pressure regulation also prevents too much pressure from reaching the nozzles Rotors that are closer to the pump station or rotors that are at lower elevation will have relatively higher pressures than rotors that are at the far reaches of the irrigation system s piping or those at higher elevations Abnormally high pressures at the nozzles can cause misting of the water droplets Water that is misting will be easily carried away from its intended target by the wind Pressure Regulator Settings All electric valve in head TTS rotors have adjustable Pressure Regulators One of the many beneficial features of TTS rotor is the fact that the Pressure Regulation is conveniently adjustable yet hidden within the flange compartment This prevents untrained personnel or unknowing golfers attempting to shut down a running rotor from inadvertently changing the rotor s regulation setting rr ai 120 100 80 60 FIG 145 gt Hunter GOLF PRESSURE REGULATOR ADJUSTMENT The variable setting Pressure Regulator has been calibrated from the factory and set to a specific regulation setting This setting will not normally ne
12. of improper lubricants are not covered under warranty G900 Series inlet valves are installed in the body using the G900 Valve Tool Prior to using the tool familiarize yourself with the individual features of the G900 Valve Tool First notice there are hooks at the end of each metal bar fig 114 These hooks are used to grab hook the inlet valve during installation The black plastic part of the G900 Valve Tool includes physical features that hold or nest the inlet valve and the white lower snap ring to the tool during installation In order to engage the inlet valve and white lower snap ring with the G900 Valve Tool properly you must be familiar with the pointing and alignment features on the tool s black plastic part First look at the top inside diameter inner circle of the black plastic part on the tool Next find the small pointer arrow that protrudes towards the center fig 115 This pointer is used to indicate the direction and alignment that the tool must have as it is inserted into the rotor s body Directly below the pointer on the underside of the G900 Valve Tool there are a series raise tabs fig 116 The tab directly below the pointer appears to be missing but this gap between tabs is intentional it is designed to be this way When the tool is nested to the valve the gap provides clearance for the inlet valve s communication port FIG 114 FIG 115 FIG 116 Hunter GOLF To install the white lower snap ring and inl
13. that the valve is securely hooked to the tool FIG 103 FIG 104 FIG 105 FIG 106 Hunter GOLF Next insert the assembled tool white lower snap ring and inlet valve into the rotor s body cavity To do so it is necessary to align the pointer arrow on the G800 Valve Tool with the alignment dot on the rotor s flange The alignment dot is centered on the flange compartment lid adjacent to next to the body cavity opening fig 107 A second alignment dot is located below the lid in case the flange compartment lid has been removed Align the pointer arrow on the tool with the alignment dot and lower the assembled tool white lower snap ring and inlet valve into the rotor s body As the G800 Valve Tool is lowered into the rotor s body recessed areas on the black plastic part on the tool will engage vertical rails inside the body wall fig 108 The tool must engage these rails or the inlet valve s communication port will not align with the communication port in the body cavity below Continue pressing the assembled tool white lower snap ring and inlet valve downward into the rotor s body Once the tool reaches the bottom continue pressing firming to securely seat the inlet valve and snap ring A distinct click sound should be heard as the snap ring is released and engages the snap ring groove in the rotor s body cavity After the inlet and white lower snap ring have been properly seated press down on the tool then rota
14. the rotate able nozzle housing also known as the turret press down on the riser seal assembly to compress the riser s retraction spring fig 21 Seal assembly must be held in this position If riser is installed within the rotor s body the lift socket and tool can be used to expose the turret fig 22 Rotate the nozzle housing back and forth until the right side arc stop is found This is the fixed non adjustable side of the arc All adjustments should be made with the nozzle housing in this right stop position With riser installed and rotor operating fig 23 Rotate the nozzle housing back and forth until the right side arc stop is found This is the fixed non adjustable side of the arc All adjustments should be made with the nozzle housing in this right stop position ARC ADJUSTMENT PROCEDURE G35 G75 amp G95 ADJUSTABLE PART CIRCLE RISERS All adjustments are initiated by inserting the small end of the T handle tool or the plastic end of the Hunter wrench into the riser s adjustment socket The adjustment socket can be found on the riser s rubber cover by locating the circular depiction with arrows going in opposite directions fig 24 Insert the tool through the rubberized membrane to engage the adjustment mechanism Again all arc adjustments must be made with the turret oriented to the right fixed side of the arc as outlined in the section above To increase the arc of coverage insert the tool into the adjustment soc
15. to be irrigated All Hunter adjustable arc rotors have a fixed stop on the right side of the arc and an adjustable stop on the left side of the arc Rotate the nozzle housing turret back and forth to find the right fixed stop With the riser positioned to the right fixed arc stop oriented and point the long range nozzle to the right side of the landscape area to be irrigated Drop the riser into position within the rotor s body For convenience of installation new rotors from the factory are set to approximately 180 degrees and the long range nozzle is positioned to the right fix side of the arc Arc adjustments can be made with the riser in hand or after instalation dry or while the rotor is in operation Refer to the section earlier in this manual to learn more about the arc adjusting procedures UPPER SNAP RING INSTALLATION TIPS Hunter Golf TTS rotors have upper snap rings with an integrated wiper to help protect the riser and riser seal from external contamination It is important to follow these installation instructions to maximize the effectiveness of this design First it is important align snap rings so that the open end of the snap ring is not adjacent to next to the flange compartment This will become very important the next time the snap ring is removed If the flange compartment lid has been removed and the open end of the snap ring is adjacent to next to the flange compartment it will be very difficult to remove the s
16. LVE REPLACEMENT See the warning above regarding rotor activation when Solenoid is loosened or Pilot Valve tubing is disconnected There are no serviceable parts within the TTS rotor s Pilot Valve assembly If the filter inside the Pilot Valve becomes obstructed the water flow through the Pilot Valve can be reduced A substantial reduction in water flow through the Pilot Valve will prevent the rotor s Inlet Valve from opening fully Notice the two tubes attached to the Pilot Valve s fittings fig 136 The lower fitting is the inlet and the upper fitting is the outlet The lower tube is the pressurized supply tube that comes from the rotor s Inlet Valve at the bottom of the rotor The upper tube goes from the Pilot Valve to the inlet of the Pressure Regulator To replace the Pilot Valve use side cutters or blade to make clean cuts at points just before the fittings on the Pilot Valve Trim amp remove the remaining tube from fittings el ereeeeeeee amp amp tee FIG 136 Hunter GOLF CONNECTING SOLENOID TO THE PILOT VALVE To ensure that the On Off Auto feature functions properly follow the procedure outlined below The TTS rotor s Solenoid has double lead threads If this procedure is not followed the Solenoid can be attached to the Pilot Valve 180 degrees out of position While the On Off Auto feature will function if connected out of position it will function much better if connected correctly First notice
17. NECTIONS Caution When connecting solenoid leads outside of the flange compartment DO NOT pull solenoid leads downward in an attempt to provide more exposed solenoid wire Electric TTS rotors REQUIRE slack in solenoid wiring within the flange compartment to facilitate servicing of the pilot valve and solenoid Removing the slack can limit movement of the On Auto Off selector and require cutting of solenoid wires to service pilot valve and or solenoid DO NOT PULL ON SOLENOID LEAD WIRING Hunter GOLF ON AUTO OFF SELECTION ELECTRIC VIH MODELS Electric Valve In Head TTS rotors are equipped with a selector to control operation of the rotor The selector is located on the flange compartment s lid From the factory the selector is set to the AUTO position which is located midway between the ON and OFF positions fig 1 Several tools are available to make ON AUTO OFF selections e T Handle Tool PN 319100 e Hunter Wrench PN 471720 e Snap ring Tool PN 251000 The ON AUTO OFF selector s function and recommended operation is as follows AUTO The selector comes from the factory in the AUTO position When in this position the rotor will not activate unless the controller sends 24 volts of power to the rotor s solenoid fig 1 OFF Using one of the tools listed above turning the selector approximately turn clockwise from the AUTO position will manually deactivate the rotor In the OFF position fig 2 the rotor will no
18. OTORS ALL MODELS Hunter TTS golf rotors are available in two basic body styles These are the G800 Series and the G900 Series rotors Each of these body styles is available in either the Check O Matic valve configuration C O M or the Electric Valve In Head E V I H or more commonly known as V I H valve configuration G800C a G800 body in a C O M valve configuration G800E a G800 body in a V I H valve configuration G900C a G900 body in a C O M valve configuration G900E a G900 body in a V I H valve configuration Each body style will accept specific gear driven risers G835 G800 body style fitted with a G35 adjustable part circle riser G870 G800 body style fitted with a G70 full circle riser G875 G800 body style fitted with a G75 adjustable part circle riser G880 G800 body style fitted with a G80 full circle riser G990 G900 body style fitted with a G90 full circle riser G995 G900 body style fitted with a G95 adjustable part circle riser Combining a body style gear driven riser and valve configuration together creates a model number system that clearly defines the primary characteristics of the rotor Examples G875C a G800 body with a G75 adjustable riser and a C O M valve G9I90E a G900 body with a G90 full circle riser and a V I H valve All C O M TTS rotors can be converted to the Normally Open Hydraulic configuration Hunter GOLF INSTALLATION AND OPERATION PIPE CONNECTIONS ALL MODEL
19. S All TTS rotors have a 1 inch Acme threaded inlet Acme inlet threads have become the preferred thread configuration in the golf course irrigation market Do Not use NPT or BSP threaded fittings to connect piping to TTS rotors Acme threads are not compatible with NPT or BSP fittings Acme threaded fittings and swing joints are available from your local irrigation supply company Following are the available options for connecting TTS rotors to the irrigation system piping e PVC swing joints with a 1 inch male Acme outlet fitting e Approved flexible swing joints with a 1 inch male Acme outlet fitting e Replace the final fitting of the existing swing joint with a 1 inch male Acme outlet fitting fitting must be the same brand as swing joint e Use the appropriate Hunter Acme Adapter fitting These are available from Hunter distributors in various NPT and BSP sizes Teflon tape or PVC cement must be used between the connecting NPT or BSP threads Following are the minimum recommended swing joint sizes for TTS rotors However follow your Irrigation Consultant s recommendations where applicable e G835 Series rotors 1 inch swing joint with a 1 inch Acme outlet fitting e G8 0 Series rotors 1 inch swing joint with a 1 inch male Acme outlet fitting e G880 Series rotors 1 inch swing joint with a 1 inch male Acme outlet fitting e G990 Series rotors 1 inch swing joint with a 1 inch male Acme outlet fitting Do Not use
20. and place onto the tool so that the two metal roll pins at the bottom of the black plastic part of the tool hold and retain the white lower snap ring fig 104 With the white lower snap ring loaded to the underside of the G800 Valve Tool load the inlet valve to the tool To do so hold the inlet valve in one hand with its top facing toward you fig 105 Rotate the inlet valve in your hand so that the communication port located on the side of the inlet valve is at the 12 00 position while holding it in your hand In the other hand hold the G800 Valve Tool by the handle The tool needs to be held so that the pointer arrow located at of one of the three screws on top of the tool is also oriented to the 12 00 position Next slightly rotate the tool counter clockwise to the 11 30 position This alignment will allow the two metal hooks on the G800 Valve Tool to pass through the two correct openings around the outside of the inlet valve Press the metal hooks through the openings Continue pressing the inlet valve and G800 Valve Tool together compressing the spring on the tool fig 106 While holding the tool down with the spring compressed turn the tool s handle clockwise until it stops Next release the spring s compression by lifting the handle slightly on the G800 Valve Tool This action hooks and locks the inlet valve to the tool Check to make sure that the pointer arrow on the tool is directly above the communication port on the inlet valve and
21. assembly fig 27 pressing downward and then holding riser firmly to prevent the spring from moving upwards Note Riser assembly must be removed to changed nozzles This is necessary since stator setting must also be adjusted when changing nozzles See section titled Stator Adjustments Why and When Are They Needed The G70 riser has two color coded opposing nozzles All G70 nozzles are retained in the nozzle housing turret with setscrews fig 28 Each setscrew has a 2 inch Allen wrench recess at the top When replacing both G70 nozzles it is important to note that the nozzles must be the same color These color coded sets offer the optimum efficiency for each flow range On the G70 s rubberized logo cap locate the two opposing arrowhead shaped areas directly above the nozzles fig 29 Insert the metal end of the Hunter wrench or a 2 inch wrench into the membrane within the arrow that is directly above the nozzle to be replaced Engage the setscrew and turn counter clockwise until the bottom of the setscrew clears the top of the nozzle Note the nozzle s orientation prior to removal to aid in the nozzle installation process Using needle nose pliers grab the right side of the nozzle on its outer ring and pull outward to remove the nozzle In some cases it may be necessary to grab the nozzle s orifice to remove the nozzle Discard the old nozzle as the removal process can damage the nozzle and negatively affect the performance
22. cal rails inside the body wall The tool must engage these rails or the tool will not align with the inlet valve below Continue pressing downward compressing the spring on the G900 Valve Tool While holding the tool down with the spring compressed turn the tool s handle clockwise until it stops Next release the spring s compression by lifting the handle slightly on the G900 Valve Tool This action hooks and locks the inlet valve to the tool Finally pull upward on the tool s handle to remove the tool and inlet valve from the rotor s body fig 96 Important Take note of how the G900 Valve Tool nests with the attached inlet valve This will help later when attaching the inlet valve to the tool prior to inlet valve installation FIG 94 FIG 95 FIG 96 To disengage the inlet valve from the G900 Valve Tool hold the inlet valve with one hand and the tool with the other hand Next push the tool s handle toward the inlet valve to compress the tool s spring With the spring held compressed rotate the tool s handle counter clockwise to release the tool s hooks from the inlet valve fig 97 FIG 927 INLET VALVE ASSEMBLY REMOVED FROM TOOL gt Hunter GOLF INLET VALVE SERVICING ALL MODELS Inlet Valves also commonly known as foot valves do not have serviceable internal parts and the valves are welded together as an assembly As a result inlet valves cannot be taken apart Any disassembly of an inlet valve will lead to a valve that
23. ce is cut or otherwise damaged the riser can leak water during sprinkler operation The face seal is the second primary component to the G80 s riser seal design The face seal is the white plastic angled ring that is position at the base of the stainless steel portion of the G80 s riser If the face seal is damaged deteriorated or missing the riser will leak during sprinkler operation If the riser is leaking during sprinkler operation the o ring the interface and the face seal must be inspected in order to determine the cause of the leakage If the o ring is damaged it can easily be replaced by removing the damaged o ring from the seal block and replacing it with a new one Use care to ensure that the o ring is not cut or twisted during the installation process If the interface is damaged the entire seal block must be replaced Also if the interface is damaged it is highly likely that the face seal is damaged as well and needs replacement To replace the face seal slide it upwards and off the riser assembly Replacement face seals must fit very snug to the stainless steel on the riser As a result there may be considerable resistance when attempting to install the new face seal To make installation easier the face seal s diameter can be expanded by placing it in the sun for several minutes Or if the repair is being done in the shop placing the face seal in warm water for several minutes will cause expansion as well Slide the new fa
24. ce of the Riser Seal The Support s lower surface also provides a nest for the retraction spring During assembly these three parts must keep this sequence and orientation in order for the seal assembly to function properly If any one of the three parts in the seal assembly needs replacement it is highly recommended that all three components be replaced To re assembly the riser place the seal assembly on top of the retraction spring and then compress While firmly holding the retraction spring and seal assembly down place the logo cap assembly on top of the riser in the correct orientation Insert the two stainless steel screws through the rubberized membranes on the logo cap and hand tighten with a Phillips screwdriver oo e gt p e S SAN yo gt ps Sr i 4 gt p oe EET Ie T MELOT FIG 43 FIG 44 FIG 45 FIG 46 Hunter GOLF RISER SEAL REPLACEMENT G80 RISERS The G80 riser seal block assembly and the compressed retraction spring are retained on the riser with the shroud logo cap assembly It is necessary to remove this assembly in order to service the G80 s riser seal components To remove the shroud logo cap assembly it is necessary to fully compress the riser spring by grabbing the riser seal block assembly pressing downward and then holding riser firmly to prevent the spring from moving upwards fig 47 Caution The riser assembly is under spring tension Eye prote
25. ce seal down and onto the riser Make sure that it is pressed all the way until it is seated firmly against the ledge at the base of the stainless steel portion of the riser Install the retraction spring and seal block assembly onto the G80 riser Press down on the seal block to compress the retraction spring and hold firmly in this position To install the nozzle housing s shroud logo cap assembly position it over the nozzle housing The single opening for the Primary long range nozzle in the shroud must be positioned directly over the long range largest nozzle Press into position and confirm all three nozzle openings are lined up with the nozzles inside Install the stainless steel screw into the rubberized logo cap by turning it clockwise until hand tight FIG 48 FIG 47 FIG 49 FIG 50 Hunter GOLF RISER SEAL REPLACEMENT G90 AND G95 RISERS The G90 and G95 riser seal assembly and the compressed retraction spring are retained on the riser with the retainer cap plastic plate at the top of the riser assembly It is necessary to remove the retainer cap in order to replace the riser seal components To remove the retainer cap fully compress the riser spring by grabbing the riser seal assembly fig 51 pressing downward and then holding riser firmly to prevent the spring from moving upwards Caution The riser assembly is under spring tension Eye protection should be worn and safe handling procedures fo
26. ction should be worn and safe handling procedures followed when servicing this product Press the riser seal block assembly down with one hand and hold firmly Locate the stainless steel retaining screw on top of the shroud logo cap assembly fig 48 Use a Phillips screwdriver to engage the screw and turn counter clockwise to remove Prior to removal of the shroud take note that the large nozzle arrow on top of the shroud s rubberized logo cap is orientated directly over the larger long range nozzle This will help with the shroud installation process later While firmly holding the compressed spring and seal block assembly downward grab and lift the shroud off the nozzle housing then set it aside fig 49 Slowly lift to release the spring compression Note the orientation of the seal block assembly for installation later fig 50 Next remove the seal block assembly and retraction spring The riser seal on G80 risers include two primary components the seal block assembly and the face seal The seal block assembly sits on top of the retraction spring and has two sealing surfaces First the seal block has an o ring around the outside If the o ring is damaged deteriorated or missing the riser will leak water while the sprinkler is operating The second sealing surface on the seal block assembly is on the underside The angled surface on the underside of the seal block assembly is the interface for the face seal If this angled interface surfa
27. d turn the tool s handle clockwise until it stops Next release the spring s compression by lifting the handle slightly on the G800 Valve Tool This action hooks and locks the inlet valve to the tool Finally pull upward on the tool s handle to remove the tool and inlet valve from the rotor s body fig 84 FIG 78 HG7 Hunter GOLF Important Take note of how the G800 Valve Tool nests with the attached inlet valve This will help later when attaching the inlet valve to the tool prior to inlet valve installation To disengage the inlet valve from the G800 Valve Tool hold the inlet valve with one hand and the tool with the other hand Next push the tool s handle toward the inlet valve to compress the tool s spring fig 85 With the spring held compressed rotate the tool s handle counter clockwise to release the tool s hooks from the inlet valve Inlet valve removal option 2 Once the white lower snap ring has been removed the inlet valve is released and is ready for removal First notice the raised wall or rib that protrudes upward from the center of the inlet valve fig 86 Use the 16 Needle Nose Pliers Tool to grab this protruding rib firmly While holding the protruding rib firmly with the 16 Needle Nose Pliers Tool pull upward to disengage and remove the inlet valve from the rotor s body fig 87 FIG 80 FIG 83 FIG 86 FIG 87 Hunter GOLF INLET VALVE REMOVAL G900 SERIES With the main line
28. e alignment dot on the rotor s flange fig 110 The alignment dot is centered on the flange compartment lid adjacent to next to the body cavity opening A second alignment dot is located below the lid in case the flange compartment lid has been removed FIG 109 FIG 110 Hunter GOLF With the valve s communication port and or the slot feature aligned to the dot on top of the rotor carefully lower the inlet valve into the rotor s body If the inlet valve is properly engaged with the vertical rail in the body it will not be possible to rotate the inlet valve If the inlet valve can be rotated in either direction pull the inlet out and start again With the inlet valve engaging the body s vertical rail continue lowering the valve into the rotor s body It is important to keep the inlet valve vertical in order to allow the valve s rock screen to enter the inlet of the body Once the inlet valve reaches the bottom continue pressing firming to securely seat the inlet valve Next use the 16 Needle Nose Pliers Tool to install the white lower snap ring To do so use the tool to grab the outer side of the two raised areas near the ends of the white lower snap ring fig 111 The snap ring must be installed with these two raised amp protruding areas on the snap ring ends facing upward Next squeeze the two raised areas together with the tips of the 16 Needle Nose Pliers Tool This action will collapse the white lower snap ring W
29. e top of the tool is also oriented to the 12 00 position Next slightly rotate the valve installation tool counter clockwise to the 11 30 position This alignment will allow the two metal hooks on the G900 valve tool to pass through the two correct openings around the outside of the inlet valve Press the metal hooks through the openings Continue pressing the inlet valve and G900 Valve Tool together compressing the spring on the tool While holding the tool down with the spring compressed turn the tool s handle clockwise until it stops fig 121 Next release the spring s compression by lifting the handle slightly on the G900 Valve Tool This action hooks and locks the inlet valve to the tool aha dy FIG 118 FIG 120 FIG 121 gt Hunter GOLF Check to make sure that the pointer arrow on the tool is directly above the communication port on the inlet valve and that the valve is securely hooked to the tool fig 121 Once the white lower snap ring and inlet valve have been properly secured to the tool rotate the snap ring so that the snap ring s open ends are 180 degrees away from the pointer arrow to the opposite side of the tool Next insert the assembled tool white lower snap ring and inlet valve into the rotor s body cavity To do so it is necessary to align the pointer arrow on the G900 Valve Tool with the alignment dot on the rotor s flange fig 122 The alignment dot is centered on the flange compartment lid adjacen
30. econd primary component to the G90 and G95 riser seal design The face seal is the white plastic angled ring that is position at the base of the riser If the face seal is damaged deteriorated or missing the riser will leak during sprinkler operation If the riser is leaking during sprinkler operation the o ring the interface and the face seal must be inspected in order to determine the cause of the leakage If the o ring is damaged it can easily be replaced by removing the damaged o ring from the seal block and replacing it with a new one Use care to ensure that the o ring is not cut or twisted during the installation process If the interface is damaged the entire seal block must be replaced Also if the interface is damaged it is highly likely that the face seal is damaged as well and needs replacement To replace the face seal slide it upwards and off the riser assembly Replacement face seals must fit very snug to the stainless steel on the riser As a result there may be considerable resistance when attempting to install the new face seal To make installation easier the face seal s diameter can be expanded by placing it in the sun for several minutes Or if the repair is being done in the shop placing the face seal in warm water for several minutes will cause expansion as well Slide the new face seal down and onto the riser Make sure that it is pressed all the way until it is seated firmly against the ledge at the base of the riser I
31. ed to be changed The variable Pressure Regulator has a pointer and a pressure indicating scale on the side of its body with a range of 60 PSI to 120 PSI If pressure setting adjustments are required it is important to note the following e The calibrated pressure setting from the factory is very accurate However the pressure indicating scale is only a pressure setting reference when making adjustments in the field For more precise pressure regulation adjustment in the field use a pitot gauge at the nozzle to the check pressure To raise the pressure setting on the variable setting regulator turn the adjusting knob clockwise fig 146 Each full turn clockwise of the adjusting knob will increase the pressure approximately 10 PSI Use the scale on the side of the regulator s body to estimate pressure To lower the pressure setting on a variable setting regulator turn the knob counter clockwise fig 146 To obtain more accurate setting when reducing the pressure it is highly recommended that the setting be taken down to approximately 10 PSI below the desired pressure setting and then turn the knob clockwise to the desire setting FIG 146 Hunter GOLF PRESSURE REGULATOR REPLACEMENT To replace the Pressure Regulator first disengage the Solenoid and Pilot Valve from the flange compartment This action will create easier access to the Pressure Regulator Next notice the two tubes that are connected at the base of the Pressure Regula
32. ee ee veer eee en eee eee 48 Attaching Ihe Assembled Solenoid and Pilot Valve to the Flange Compartment eee eenaa ee eee 49 TAS nee voynligie tes elector Cap tote n oeno a eee ere eer ere cee ene reer erate eR yee ea ree ne ree ree ee ee 50 Preccure Regulator Purpose Seinos Md AdumEent Procedures eee a a poacee eso yee ones eect weceosenes gl Pressure Regulator r du ae A cee ceed ee ee ee ea eae ee eee 52 Prec c ire R E GAA ERE CENE a ee eee ees eee De Antachnathe Fange Compar mentida a astern a ser tea E rere ere eee ee eee ee eer 3 HUNTER GOLF INTRODUCTION THANK YOU FOR PURCHASING HUNTER S TTS GOLF amp LARGE TURF ROTORS TTS rotors include all the features and quality you expect from rotors in this category with the added unique benefit of Total Top Serviceability With Hunter s TTS rotors every serviceable component within the rotor can be accessed from the top without digging So as ongoing routine maintenance is required the surrounding turf remains playable productive and pleasing to the eye This manual covers all aspects of installation operation and servicing for Hunter s TTS rotors including models G835 G870 G875 G880 G990 and G995 For the latest information specifications and the location of the distributor near you visit the Hunter Golf website at www huntergolf com Additionally Hunter Technical Services can be contacted at 800 733 2823 and choose option 3 Hunter GOLF MODEL NUMBERING SYSTEM TTS R
33. embly Use care not to damage the Black O Ring If the Plunger assembly does not stay assembled when removed from the Solenoid it is necessary to replace the Plunger assembly Rinse the Plunger assembly and Solenoid with clean water to remove any contaminating debris If damage or worn replace Black O Ring and or rubberized Seat Seal fig 135 Insert Plunger assembly into the Solenoid and then press to engage the snap fit feature Finally press on the Seat Seal to cycle the Plunger assembly If plunger does not cycle up and down freely repeat cleaning procedure and or replace the Plunger assembly FIG 133 FIG 134 FIG 135 gt Hunter GOLF Solenoid Replacement It is not necessary to dig around the rotor to replace in ground Solenoid wire splice connections if there is confidence in both the quality of the splices and the type of connector used It is absolutely not necessary to dig around the rotor to replace the Solenoid wire splice connections if the original connecting splices were completed within the rotor s flange compartment e In ground with questionable wire splice connections dig around the rotor to access the Solenoid splice connections Remove the connectors If possible run controller wires into the rotor s flange compartment and splice wires to Solenoid s wires using appropriate grease filled connectors If not possible feed replacement Solenoid s wiring through hole at the bottom of the flange compartment S
34. emoval and installation In order to engage the inlet valve with the G900 Valve Tool properly you must be familiar with the pointing and alignment features on the tool s black plastic part First look at the top inside diameter inner circle of the black plastic part on the tool Next find the small pointer arrow that protrudes towards the center fig 92 This pointer is used to indicate the direction and alignment that the tool must have as it is inserted into the rotor s body Directly below the pointer on the underside of the G900 Valve Tool there are a series raised tabs The tab directly below the pointer appears to be missing but this gap between tabs is intentional it is designed to be this way When the tool is nested to the valve the gap provides clearance for the inlet valve s communication port fig 93 FIG 90 AG a FIG 92 FIG 93 To remove the inlet valve it is necessary to align the pointer arrow on the G900 Valve Tool with the alignment dot on the rotor s flange The alignment dot is centered on the flange compartment lid adjacent to next to the body cavity opening A second alignment dot is located below the lid in case the flange compartment lid has been removed Align the pointer arrow on the tool with the alignment dot fig 94 and lower the tool into the rotor s body fig 95 As the G900 Valve Tool is lowered into the rotor s body recessed areas on the black plastic part on the tool will engage verti
35. ems by removing the end cap on the inch tubing To do so slide the inch tube retainer towards the end of the tube fig 5 Then pull to remove the end cap with attached 1 4 inch tube retainer from the brass connector fitting fig 6 To connect the inch control tube from the controller to the TTS rotor tubing insert inch tubing from controller into the bottom of the flange compartment Next slide the inch tube retainer from end cap supplied with rotor onto the inch Control Tubing Then connect the inch Control Tubing to the rotor s inch Control Tubing by pressing together at the brass fitting Finally slide the inch tube retainer towards the brass fitting to lock the tube in place FIG 4 FIG 5 FIG 6 Hunter GOLF RISER SERVICING AND ADJUSTMENTS Caution The riser assembly is under spring tension Eye protection should be worn and safe handling procedures followed when servicing this product Tools Needed varies with riser model e T Handle Tool PN 319100 e Hunter Wrench PN 471720 e Snap ring Tool PN 251000 e Needle Nose Pliers e Flat Blade Screwdriver e Phillips Screwdriver UPPER SNAP RING REMOVAL G800 SERIES Hold Snap ring Tool vertical over the rotor s upper snap ring Align the metal end of the snap ring tool to the indicator on the snap ring s rubberized wiper seal fig 7 Use the palm of the other hand to drive the tool downward amp through the rubberized membrane Tool should pe
36. eplacement The Selector Cap can become damaged if the incorrect tool is used to make ON AUTO OFF selection adjustments With the Solenoid and Pilot Valve assembly installed in the flange compartment and the Solenoid set to the Auto position see instructions above proceed as follows The flat side of the Solenoid should be facing away from the rotor s riser assembly pointing towards the outside of the flange compartment fig 142 Starting from where the Solenoid s lead wires come out of the top of the Solenoid place the lead wires side by side over the top and down the flat side of the Solenoid fig 143 While hold the Solenoid s lead wires in this position place the Selector Cap on top of the Solenoid The Selector Cap must be oriented such that the Solenoid s lead wires fit into the recessed channel on the inside wall of the Selector Cap Press the Selector Cap down and onto the Solenoid fig 144 FIG 143 FIG 144 Hunter GOLF PRESSURE REGULATOR PURPOSE SETTINGS AND ADJUSTMENT PROCEDURES Regulation settings are preset at the factory If the installed rotor has been preset to the specified regulation setting for your irrigation system further Pressure Regulator adjustments are not normally necessary If a replacement TTS rotor is being installed it may be necessary to adjust the regulation setting Pressure Regulator Purpose The purpose of the Pressure Regulator fig 145 is to ensure that a specifically set pressure
37. er Also notice there is a series of numbers engraved into the plastic next to some of the recessed notches These numbers are the nozzle size reference numbers To make an adjustment first find the raised wall or blade of plastic on the adjustable stator plate Use pliers to grab the plastic blade then pull to remove the white adjustable stator plate from the riser fig 63 To reset and install the adjustable stator plate find the nozzle size reference number on the outer ring that matches the installed nozzle Simply align the pointer on the adjustable stator plate with the desired nozzle number on the outer ring The pointer can be placed on either side of the nozzle reference number fig 64 Next snap the adjustable stator plate down and into position Once the adjustable stator plate is installed check to make sure the desired nozzle size reference number aligned with the pointer Finally install the filter screen as outlined above FIG 63 FIG 64 gt Hunter GOLF RISER REPLACEMENT FULL CIRCLE RISERS Full circle riser assemblies can be inserted into the rotor s body without regard to arc orientation Insert the riser screen first into the rotor s body until it comes to a stop Next install the upper snap ring referencing instructions below for your rotor model RISER REPLACEMENT G35 G75 amp G95 ADJUSTABLE PART CIRCLE RISERS Adjustable part circle risers must be inserted such that the arc setting aligns to the area
38. ess steel retaining screws fig 148 Finally check Selector Cap for free movement of the On Off Auto Feature If you have further questions after reviewing this manual please contact Hunter s Technical Services Department at 800 733 2823 and select option 3 gt Hunter GOLF U S A HEADQUARTERS AND MANUFACTURING 1940 Diamond Street San Marcos CA 92078 Tel 1 760 744 5240 Fax 1 760 744 7461 Technical Help 1 760 591 7383 MEXICO MANUFACTURING Calle Nordika 8615 Parque Industrial Nordika Tijuana B C Mexico C P 22709 Tel 52 664 903 1300 Fax 52 664 903 8078 Hunter GOLF 2010 Hunter Industries Incorporated Printed in USA GLIT 071 9 10 WORLDWIDE OFFICES Australia 8 The Parade West Kent Town South Australia 5067 Tel 61 8 8363 3599 Fax 61 8 8363 3687 Europe Avda Diagonal 523 5 2 LOFA GIENE 08029 Barcelona Spain Tel 34 9 34 94 88 81 Fax 34 9 34 19 76 76 Middle East PO Box 211303 Amman 11121 Jordan Tel 962 6 515 2882 Fax 962 6 515 2992 China B1618 Huibin Office Bldg No 8 Beichen Dong Street Beijing 100101 China Tel1 Fax 86 10 84975146 Tel2 86 13 901321516
39. et valve into the rotor s body first load the white lower snap ring and valve to the tool To do so hold the valve in the palm of the hand as shown fig 117 In the other hand take the white lower snap ring Notice the white lower snap ring has a step feature around the outside of the ring The correct orientation for installation is to have the widest side facing down and the thinnest side facing up To help with this orientation the G900 s white lower snap ring has engraving on the upper surface that says This side up Next place the snap ring on top of the G900 valve as shown fig 117 Make sure that the snap ring s upper side thinnest side is facing upwards Now rotate the snap ring so that the open ends of the snap ring are directly over the valve s communication port fig 118 This prevents the metal bar on the valve tool from interfering with the seating of the snap ring in the body With the white lower snap ring resting on top of the valve as shown load the inlet valve and snap ring to the valve installation tool To do so hold the inlet valve and snap ring in one hand with the top facing toward you Rotate the inlet valve in your hand so that the communication port located on the side of the inlet valve is at the 12 00 position while holding it in your hand fig 119 In the other hand hold the G900 Valve Tool by the handle The tool needs to be held so that the pointer arrow fig 120 located on the inside of the ring at th
40. g 77 To help prevent removal of the inlet valve with the main line or sub main pressurized a safety interlock feature has been added to the white lower snap ring Before the white lower snap ring and inlet valve can be removed this safety interlock feature must be disengaged To disengage the safety interlock feature place the tip of the 16 Needle Nose Pliers Tool on top of the inlet valve Next press downward on the inlet valve The inlet valve should move down slightly If no movement is observed or felt stop and confirm that the main line or sub main has been depressurized If main line or sub main has been shut off it is possible that resident pressure is still within the line and this pressure is preventing the inlet valve from moving downward To relieve this pressure activate a near by quick coupler or turn the rotor s selector cap to the manual ON position Warning rotor may activate for a brief period of time Use the 16 Needle Nose Pliers Tool to press downward on the inlet valve again The white lower snap ring and inlet valve are now ready for removal FIG 76 Gey gt Hunter GOLF INLET VALVE REMOVAL G800 SERIES With the main line or sub main depressurized the riser assembly removed the water extracted from the body cavity and the safety interlock feature disengaged proceed with removal of the G800 s white lower snap ring and inlet valve as follows First notice that close to each end of the white lowe
41. gage the setscrew and turn counter clockwise until the bottom of the setscrew clears the top of the nozzle Note the nozzle s orientation prior to removal to aid in the nozzle installation process Using needle nose pliers grab the right side of the nozzle on its outer ring and pull outward to remove the nozzle In some cases it may be necessary to grab the nozzle s orifice to remove the nozzle Discard the old nozzle as the removal process can damage the nozzle and negatively affect the performance Insert the replacement nozzle into the nozzle housing with the smaller orifice positioned to the right Press firmly until it stops Turn the nozzle retaining setscrew clockwise while making sure that the setscrew does not distort the nozzle Lower the setscrew in front of the nozzle only as far as necessary to prevent nozzle movement Take care not to position the setscrew in front of or against the nozzle s orifice as performance can be negatively affected If the nozzle size or color has been changed please note that the adjustable stator will likely need to be reset Refer to the Stator Adjustment section in this manual for information on how to reset the stator FIG 30 FIG 31 Hunter GOLF NOZZLE REPLACEMENT G80 RISERS To view and replace the nozzles it is necessary to compress the riser spring by grabbing the riser seal assembly fig 32 pressing downward and then holding riser firmly to prevent the spring from moving upwards
42. gray plastic part at the base of the Solenoid is called the Detent Ring When the Solenoid is attached to the Pilot Valve the Detent Ring interacts with the Pilot Valve to create the Auto position s detent the stopping point when moving the Selector Cap to the Auto position Under normal operating conditions the Detent Ring will not need replacement If the solenoid needs to be replaced it will also be necessary to replace the detent ring Solenoid Servicing The Plunger assembly and the rubberized Seat Seal are serviceable on Hunter Solenoids To replace a worn or damaged rubberized Seat Seal simply pull the old one off and press the new one into position on the Solenoid s Plunger Since a worn or damaged rubberized Seat Seal can cause the rotor to weep water when the rotor is deactivated it is highly recommended that the rubberized Seat Seal be replaced whenever servicing the Plunger assembly The Plunger assembly is retained within the Solenoid with a secure snap fit feature To remove the Plunger assembly first notice there is a Black Knurled Ring just below the Solenoid s rubberized Seat Seal Just below the Black Knurled Ring is a Black O Ring The Plunger assembly can be removed by forcing the thumb nail under the Black Knurled Ring and pulling to separate the Plunger assembly from the Solenoid fig 134 Alternatively a small flat bladed screwdriver can be inserted below the Black Knurled Ring and twisted to release the Plunger ass
43. he rubberized logo cap using a Phillips screwdriver Tighten the stainless screw clockwise until the screw is hand tight Do not over tighten FIG 67 FIG 68 FIG 69 FIG 70 AG 7 gt Hunter GOLF INLET VALVE REMOVAL SERVICE AND INSTALLATION Caution Electric valve in head rotors are connected to pressurized main line or sub main piping This pressurized piping must be depressurized before servicing the inlet valve Serious bodily injury can occur if valve is removed when the piping is pressurized Keep head and body parts away from the rotor s exposed internal openings at all times Wear proper eye protection and use the designated tools when servicing these rotors TOOLS NEEDED VARIES WITH ROTOR MODEL Once the riser assembly has been removed the following tools are used to remove service and replace inlet valves e G800 Valve Tool PN 604000 e G900 Valve Tool PN 280500 e Snap Ring Tool PN 251000 e 16 Needle Nose Pliers Tool PN 475600 e Manual Extraction Pump Tool PN 460302 e TTS Valve Flushing Tool PN 609400 VALVE IDENTIFICATION It is important to note that there are different types of inlet valves also commonly known as foot valves If the incorrect inlet valve is installed the rotor will malfunction Hunter has a color coding system to help correctly identify these valves G800C Check O Matic Rotors Black screen attached to valve fig 72 G800E Electric V I H Rotors Tan screen attached to
44. hile holding the collapsed white lower snap ring with the tool lower the white lower snap ring into the rotor s body fig 112 Next engage and release the snap ring into the snap ring groove located at the base of the body cavity wall Finally take whatever time is necessary to visually confirm that every part of the white lower snap ring is securely seated into the snap ring groove fig 113 Caution If snap ring in not fully seated in the snap ring groove the valve may be expelled from the rotor when the piping is re pressurized Serious bodily injury can occur Keep head and body parts away from the rotor when piping is being re pressurized FIG 111 FIG 112 FIG 113 Hunter GOLF INLET VALVE INSTALLATION G900 SERIES Remove excess water from the rotor s body cavity Inspect the upper and lower snap ring grooves making sure there are no damaged or missing sections of plastic adjacent to next to the snap ring grooves Remove all plastic shavings or burrs of plastic that are found within the body cavity If needed a small amount of Dow Corning 111 Valve Lubricant or pure petroleum jelly like Vaseline can be used around the O Ring on the inlet valve In most instances residual water within the rotor s body cavity is sufficient lubrication for inlet valve installation Caution Use of other non specified lubricants can attack and deteriorate the plastic used in golf rotors Stress cracks or leaking caused by the use
45. hold or nest the inlet valve to the tool during inlet valve removal and installation In order to engage the inlet valve with the G800 Valve Tool properly you must be familiar with the pointing and alignment features on the tool s black plastic part First look at the three retaining screws on top of the tool Next find the screw that has a pointer arrow engraved around the head of the screw fig 81 This pointer is used to indicate the direction and alignment that the tool must have as it is inserted into the rotor s body A second pointer arrow is located directly below on the underside of the G800 Valve Tool fig 82 To remove the inlet valve it is necessary to align the pointer arrow on the G800 Valve Tool with the alignment dot on the rotor s flange The alignment dot is centered on the flange compartment lid adjacent to next to the body cavity opening fig 81 A second alignment dot is located below the lid in case the flange compartment lid has been removed Align the pointer arrow on the tool with the alignment dot and lower the tool into the rotor s body As the G800 Valve Tool is lowered into the rotor s body recessed areas on the black plastic part on the tool will engage vertical rails inside the body wall fig 83 The tool must engage these rails or the tool will not align with the inlet valve below Continue pressing downward compressing the spring on the G800 Valve Tool While holding the tool down with the spring compresse
46. ientation for optimal performance Prior to removal of the G95 s short range or mid range nozzle note the differences between the nozzle on the left and right e G95 Adj Arc The short range nozzle is black and on the left side fig 40 The mid range nozzle is green and on the right side fig 40 Note In 2010 the short range nozzle will change to red Using needle nose pliers grab the nozzle s orifice then pull outward Discard the old nozzle as the removal process will damage the nozzle and negatively affect the performance Insert the replacement nozzle into the nozzle housing and press firmly until it stops Turn the nozzle retaining setscrew clockwise to a position in front of the nozzle that prevents nozzle movement Take care not to position the setscrew in front of or against the nozzle s orifice as performance can be negatively affected FIG 40 RISER SEAL REPLACEMENT G35 G70 amp G75 RISERS The G35 G70 and G75 riser seal assemblies and the compressed retraction spring are retained on the risers with the rubberized logo cap assembly It is necessary to remove the rubberized logo cap assembly in order to replace the riser seal assembly To remove the rubberized logo cap assembly it is necessary to fully compress the riser spring by grabbing the riser seal assembly fig 43 pressing downward and then holding riser firmly to prevent the spring from moving upwards Caution The riser assembly is under spring
47. ket fig 25 and make sure the nozzle housing is at the right arc stop position Each full turn of the tool to the right clockwise will increase the arc by 45 degrees Two full turns of the tool will result in a 90 degree increase in the arc of coverage The arc is infinitely adjustable from 40 to 360 degrees When maximum arc is reached the tool will stop turning or a ratcheting sound will be heard To check the arc setting rotate the turret back and forth If further adjustments are required repeat the steps above To decrease the arc of coverage insert the tool into the adjustment socket fig 25 and make sure the nozzle housing is at the right arc stop position Each full turn of the tool to the left counter clockwise will decrease the arc by 45 degrees Two full turns of the tool will result in a 90 degree decrease in the arc of coverage The arc is infinitely adjustable from 40 to 360 degrees When minimum arc is reached the tool will stop turning or a ratcheting sound will be heard To check the arc setting rotate the turret back and forth If further adjustments are required repeat the steps above See Riser Replacement section for instructions on aligning right side fixed arc stop to landscape and snap ring installation FIG 24 FIG 25 Hunter GOLF NOZZLE REPLACEMENT G70 RISERS To view and replace the nozzles it is necessary to With riser held in hand compress the riser spring by grabbing the riser seal
48. lack and on the left side fig 39 The mid range nozzle is blue and on the right side fig 39 Note In late 2010 the short range nozzle will change to red Using needle nose pliers grab the nozzle s orifice then pull outward Discard the old nozzle as the removal process will damage the nozzle and negatively affect the performance Insert the replacement nozzle into the nozzle housing and press firmly until it stops Turn the nozzle retaining setscrew clockwise to a position in front of the nozzle that prevents nozzle movement Take care not to position the setscrew in front of or against the nozzle s orifice as performance can be negatively affected Hunter GOLF NOZZLE REPLACEMENT G95 RISERS To view and replace the nozzles it is necessary to compress the riser spring by grabbing the riser seal assembly fig 37 pressing downward and then holding riser firmly to prevent the spring from moving upwards The G95 riser has three color coded nozzles that all face the same direction All G95 nozzles are retained in the nozzle housing turret with three setscrews fig 40 Each setscrew has a 332 inch Allen recess at the top Insert the metal end of the Hunter wrench or a 32 inch wrench into setscrew that is above the nozzle to be replaced Engage the setscrew and turn counter clockwise until the bottom of the setscrew clears the top of the nozzle fig 41 To remove the long range primary nozzle first note the nozzle s orie
49. llowed when servicing this product Hold the riser seal assembly down with one hand Locate the two screws that hold the retainer cap to the riser assembly fig 52 Use a Phillips screwdriver to engage each retaining screw and turn counter clockwise to remove Prior to removing the G90 or G95 retainer cap note its orientation as it relates to the nozzles below This will help with the assembly process later Remove the retainer cap and set aside While still holding the compressed riser seal assembly and retraction spring with one hand use the other hand to grasp the bottom of the riser assembly Slowly release the compression of the retraction spring until it is fully extended and no pressure is felt Note the orientation of the riser components to help with assembly later fig 53 The riser seal on G90 and G95 risers include two primary components the seal block assembly and the face seal The seal block assembly sits on top of the retraction spring and has two sealing surfaces First the seal block has an o ring around the outside If the o ring is damaged deteriorated or missing the riser will leak water while the sprinkler is operating The second sealing surface on the seal block assembly is on the underside The angled surface on the underside of the seal block assembly is the interface for the face seal If this angled interface surface is cut or otherwise damaged the riser can leak water during sprinkler operation The face seal is the s
50. n a consistent and desirable speed of rotation Rotors that turn too fast cannot reach their published radius distance Rotors that turn too slow will irrigate with a higher precipitation rate per revolution causing wet spots and run off If nozzles are changed to a flow greater than the original factory nozzle the speed of rotation will become faster unless the appropriate stator adjustments are made This is because there is a greater amount of water passing the turbine that drives the gearbox The opposite is true if a smaller flow nozzle is installed without adjusting the stator the rotor will slow down In extreme situations the rotor may not rotate at all if the stator is not adjusted Again stator adjustments are not required unless the nozzle flow is being changed or the stator was set incorrectly at some point in time Setting the stator is as simple as matching the stator setting number to the nozzle number being used in the rotor For example if the nozzle in use is 20 then the stator setting will be 20 To access the stator adjustment first remove the riser s filter screen as outlined in the section above STATOR ADJUSTMENTS G35 G70 amp G75 RISERS Turn the riser upside down remove the filter screen and view the stator area Notice the black part with the three sections extending outward from the center fig 57 This black part on G70 and G75 risers is called the adjustable stator plate Beneath the adjustable stator plate is
51. nap ring using the snap ring tool For better leverage when removing the snap ring always align the open end of the snap ring in a position that is opposite from the body s flange compartment The second tip for upper snap ring installation is about the rubberized flaps at each end of the snap ring To ensure that these rubberized flaps lie flat after installation it is important install the snap ring correctly Once installed the flap on the left end of the snap ring must be under the flap on the right side end of the snap ring UPPER SNAP RING INSTALLATION G800 SERIES Hold the snap ring in front of you with the wiper seal facing up and the snap ring open ends at the top The snap ring end on the left must be installed first fig 65 Lay the snap ring on top of the rotor and use the left thumb to force the left open end of the snap ring into the upper snap ring groove within the body fig 66 Once engaged the remaining portion of the snap ring can be installed by pressing in a counter clockwise motion around the snap ring fig 67 FIGOS FIG 67 Hunter GOLF UPPER SNAP RING INSTALLATION G900 SERIES Hold the snap ring in front of you with the wiper seal facing up and the snap ring open ends at the top The snap ring end on the left must be installed first Lay the snap ring on top of the rotor and use the left thumb to force the left open end of the snap ring into the upper snap ring groove within the body fig 66 Once engaged
52. netrate about inch into the snap ring assembly fig 8 While holding the tool within the snap ring press the tool s handle downward and away from the center of the rotor As the tool is pressed downward the snap ring will lift from the rotor fig 9 While using the tool to hold the snap ring in this elevated position use the other hand to pull the snap ring from the rotor If the snap ring s rubberized wiper seal appears to be the only part that is lifting the tool has not penetrated into the snap ring far enough FIG 7 FIG 8 FIG 9 gt Hunter GOLF UPPER SNAP RING REMOVAL G900 SERIES Prior to removal of the upper snap ring assembly the rubberized logo cap must be removed and the riser assembly must be pressed below the snap ring s rubberized seal If the procedure below is not followed the upper snap ring assembly cannot be removed from the G900 Series rotors Remove the stainless screw from the center of the rubberized logo cap using a Phillips screwdriver fig 10 Prior to removing the rubberized logo cap note that the arrows on the logo indicate the position of the nozzles on the riser assembly As the rubberized logo cap is removed note there is a protruding pin on the underside of the logo cap fig 11 This pin is the alignment feature on the rubberized logo cap that must be inserted correctly during assembly in order for the arrows on the rubberized logo cap to be positioned over the nozzles below Note which hole the pin
53. nge nozzle in the shroud must be positioned directly over the nozzle Press into position and confirm all three nozzle openings are lined up with the nozzles inside Install the stainless steel screw into the rubberized logo cap by turning it clockwise until hand tight If the nozzle size or color has been changed please note that the adjustable stator will likely need to be reset Refer to the Stator Adjustment section in this manual for information on how to reset the stator FIG 34 FIG 36 FIG 32 NOZZLE REPLACEMENT G90 RISERS To view and replace the nozzles it is necessary to compress the riser spring by grabbing the riser seal assembly fig 37 pressing downward and then holding riser firmly to prevent the spring from moving upwards The G90 riser has three color coded opposing nozzles All G90 nozzles are retained in the nozzle housing turret with three setscrews figs 38 amp 39 Each setscrew has a 2 inch Allen recess at the top Insert the metal end of the Hunter wrench or a 2 inch wrench into setscrew that is above the nozzle to be replaced Engage the setscrew and turn counter clockwise until the bottom of the setscrew clears the top of the nozzle To remove the long range primary nozzle first note the nozzle s orientation prior to removal The G90 s primary nozzle has a protruding rail that must engage the slot on the right side of the nozzle opening Understanding this will help during the installation process late
54. noid that has the flat surface Also note that the Solenoid wires are positioned side by side and not twisted To remove the Selector Cap simply lift it up and away from the Solenoid fig 129 FIG 128 FIG 129 Hunter GOLF SOLENOID amp PILOT VALVE ASSEMBLY REMOVAL In order to work on the Solenoid or the Pilot Valve it is first necessary to remove the connected Solenoid and Pilot Valve assembly from the flange compartment Prior to removal take note of the orientation of the fittings and tubing that are attached to the Pilot Valve This will help with final assembly later To remove the Solenoid and Pilot Valve from the flange compartment grab the Solenoid and wiggle it back and forth while lifting upwards fig 130 Pull the Solenoid and Pilot Valve assembly up and on top of the rotor s flange fig 131 FIG 130 FIG 131 gt Hunter GOLF SOLENOID amp SERVICING AND REPLACEMENT Preventing Sprinkler Activation See the warning above regarding rotor activation when Solenoid is loosened or removed There are three ways to prevent activation of the rotor when the Solenoid is removed from the Pilot Valve e The best and most effective way is to shut down the main line or the sub main line that supplies water to the rotor that is being serviced Be aware that residual pressure may reside in the system piping even after that valve has been closed To purge residual pressure activate a rotor or quick coupler near to the ro
55. nstall the retraction spring and seal block assembly onto the riser Press down on the seal block to compress the retraction spring and hold firmly in this position While firmly holding the retraction spring and seal assembly down place the retainer cap on top of the riser in the correct orientation Insert the two stainless steel screws and hand tighten with a Phillips screwdriver PIGS FIG 53 RISER FILTER SCREEN SERVICING ALL TTS ROTORS The riser filter screen is located at the base bottom of each riser The purpose of the filter screen is to prevent entry of debris that are too large to exit the riser through the nozzles If the filter becomes clogged with debris water flow through the riser can be severely reduced and lead to diminished sprinkler performance To remove the filter screen locate the notched recessed area located on the outside where it meets the bottom of the riser fig 54 55 56 Insert the snap ring tool or a flat bladed screwdriver into the recess and then twist to lift the filter screen from its position against the riser Flush filter screen with water to remove debris To install filter screen press firmly into position against the riser FIG 54 FIG 55 G35 G70 amp G75 SCREEN G80 SCREEN Hunter GOLF STATOR ADJUSTMENTS WHY AND WHEN ARE THEY NEEDED The adjustable stator is preset at the factory to match the nozzle installed in the rotor The purpose of the stator is to maintai
56. ntation prior to removal The G95 s primary nozzle has a protruding rail that must engage the slot on the right side of the nozzle opening Understanding this will help during the installation process later Using needle nose pliers grab the nozzle s outer ring next to the recess on the right side of the nozzle opening and then pull outward fig 42 If necessary grab the nozzle s orifice to gain a better grip Discard the old nozzle as the removal process can damage the nozzle and negatively affect the performance Insert the replacement nozzle into the nozzle housing Press firmly until the nozzle stops Turn the nozzle retaining setscrew clockwise while making sure that the setscrew does not distort the nozzle Lower the setscrew in front of the nozzle only as far as necessary to prevent nozzle movement Take care not to position the setscrew in front of or against the nozzle s orifice as performance can be negatively affected If the nozzle size or color has been changed please note that the adjustable stator will likely need to be reset Refer to the Stator Adjustment section in this manual for information on how to reset the stator The G95 s short range and mid range nozzles are performance matched to all G95 long range nozzles As a result replacement of these nozzles is normally required only when a nozzle has been damaged If replacement does become necessary it is important to note that these nozzles must be installed in the correct or
57. olenoid from Pilot Valve With the Solenoid s flat in the 12 00 position the Pilot valve s fittings should be at the 3 00 position If the fittings are not at the 3 00 position disconnect and repeat the procedure FIG 137 FIG 138 Hunter GOLF ATTACHING THE ASSEMBLED SOLENOID AND PILOT VALVE TO THE FLANGE COMPARTMENT With the Solenoid and Pilot Valve correctly assembled as outlined above look at the bottom of the Pilot Valve Notice there are two opposing sections of plastic that protrude to the outside and away from the center fig 139 These two ears must engage the Pilot Valve s mounting base in the body flange compartment during installation fig 140 To install the Solenoid and Pilot Valve first position yourself to the side of the rotor such that the rotors flange compartment is at the 6 00 position closest to you Next lower the Solenoid and Pilot Valve assembly fig 141 into the flange compartment with the Pilot Valve s fittings pointing to the left side 9 00 position Engage the bottom of the Pilot Valve with the Pilot s Valve s mounting base located at the right and rear of the flange compartment Press down to engage Pilot Valve s mounting ears fig 142 FIG 139 FIG 140 FIG 141 FIG 142 Hunter ATTACHING SELECTOR CAP TO THE SOLENOID The Selector Cap turns the Solenoid when the user changes the ON AUTO OFF settings Under normal operating conditions the Selector Cap should not need r
58. or sub main depressurized the riser assembly removed the water extracted from the body cavity and the safety interlock feature disengaged proceed with removal of the G900 s white lower snap ring and inlet valve as follows First notice that close to each end of the white lower snap ring there are eyelets areas with a hole for access These two eyelets are used to remove the white lower snap ring fig 88 To remove the white lower snap ring insert the metal end of the Snap Ring Tool into one of the eyelets Next twist the Snap Ring Tool s handle while forcing the tip of the tool towards the center of the rotor s body cavity fig 89 This action will disengage one end of the white lower snap ring from the recessed groove at the base of the rotor s body With the white lower snap ring disengaged from the groove pull the tool upward to remove the white lower snap ring fig 90 Once the white lower snap ring has been removed the inlet valve is released and is ready for removal G900 Series inlet valves are removed from the body using the G900 Valve Tool Prior to using the tool familiarize yourself with the individual features of the G900 Valve Tool First notice there are hooks at the end of each metal bar fig 91 These hooks are used to grab hook the inlet valve for removal from the rotor s body The black plastic part of the G900 Valve Tool includes physical features that hold or nest the inlet valve to the tool during inlet valve r
59. plice controller wires with Solenoid s wires using appropriate grease filled connectors Choose either of the Hunter DC Solenoid s lead wires when making each splice as there is no specific polarity required IMPORTANT the TTS rotor s top service capabilities required that there is sufficient slack of the Solenoid s wiring leads within the flange compartment To estimate required wiring slack bring Solenoid to the top of the rotor s flange During back fill of soil around rotor do not let the Solenoid be pulled into the flange compartment e In ground good quality wire splice connections Hold the defective Solenoid in one hand and cut the defective Solenoid s two lead wires at a point close to the defective Solenoid Splice the lead wires from the defective Solenoid to the new Solenoid s lead wires using appropriate grease filled connectors If needed the new Solenoid s lead wires can be shortened to minimize excess wiring within the flange compartment e Flange compartment wire splice connections If original wire splice connections were made within the flange compartment simply disconnect splices and re splice controller wiring to the new Solenoid s wiring leads Confirm that appropriate grease filled tyoe connectors are in use If not discard and replace with appropriate connectors If needed the new Solenoid s lead wires can be shortened to minimize excess wiring within the flange compartment Hunter GOLF PILOT VA
60. r Using needle nose pliers grab the nozzle s outer ring next to the recess on the right side of the nozzle opening and then pull outward If necessary grab the nozzle s orifice to gain a better grip Discard the old nozzle as the removal process can damage the nozzle and negatively affect the performance Insert the replacement nozzle into the nozzle housing Press firmly until the nozzle stops Turn the nozzle retaining setscrew clockwise while making sure that the setscrew does not distort the nozzle Lower the setscrew in front of the nozzle only as far as necessary to prevent nozzle movement Take care not to position the setscrew in front of or against the nozzle s orifice as performance can be negatively affected If the nozzle size or color has been changed please note that the adjustable stator will likely need to be reset Refer to the Stator Adjustment section in this manual for information on how to reset the stator The G90 s short range and mid range nozzles are performance matched to all G90 long range nozzles As a result replacement of these nozzles is normally required only when a nozzle has been damaged If replacement does become necessary it is important to note that these nozzles must be installed in the correct orientation for optimal performance Prior to removal of the G90 s short range or mid range nozzle note the differences between the nozzle on the left and right e G90 Full Circle The short range nozzle is b
61. r local Hunter Golf Distributor Representative or Hunter Technical Services can be contacted at 800 733 2823 and choose option 3 INLET VALVE INSTALLATION G800 SERIES Remove excess water from the rotor s body cavity Inspect the upper and lower snap ring grooves making sure there are no damaged or missing sections of plastic adjacent to next to the snap ring grooves Remove all plastic shavings or burrs of plastic that are found within the body cavity If needed a small amount of Dow Corning 111 Valve Lubricant or pure petroleum jelly like Vaseline can be used around the O Ring on the inlet valve In most instances residual water within the rotor s body cavity is sufficient lubrication for inlet valve installation Caution Use of other non specified lubricants can attack and deteriorate the plastic used in golf rotors Stress cracks or leaking caused by the use of improper lubricants are not covered under warranty Inlet valve installation option 1 G800 Series inlet valves are installed in the body using the G800 Valve Tool Prior to using the tool familiarize yourself with the individual features of the G800 Valve Tool First notice there are two metal hooks at the bottom of the tool fig 100 These hooks are used to grab hook the inlet valve during installation The black plastic part of the G800 Valve Tool includes physical features that hold or nest the inlet valve and the white lower snap ring to the tool during installa
62. r snap ring there are two raised areas fig 76 These two raised areas are used to remove the white lower snap ring Also notice that the inlet valve has two posts protruding upward on top of the inlet valve Take a moment to note the orientation of these posts and how they nest within the white lower snap ring Understanding this alignment and orientation will help later to confirm that the white lower snap ring has been properly seated after installation To remove the white lower snap ring use the 16 Needle Nose Pliers Tool to grab the outer side of the two raised areas near the ends of the white lower snap ring Next squeeze the two raised areas together with the tips of the 16 Needle Nose Pliers Tool fig 78 This action will collapse the white lower snap ring While holding the collapsed white lower snap ring pull the 16 needle nose pliers up and out along with the white lower snap ring fig 79 Inlet valve removal option 1 Once the white lower snap ring has been removed the inlet valve is released and is ready for removal G800 Series inlet valves are removed from the body using the G800 Valve Tool Prior to using the tool familiarize yourself with the individual features of the G800 Valve Tool First notice there are two metal hooks at the bottom of the tool fig 80 These hooks are used to grab hook the inlet valve for removal from the rotor s body The black plastic part of the G800 Valve Tool includes physical features that
63. remove the riser assembly first remove the upper snap ring as outlined above Insert the Hunter Wrench T Handle Tool or tip of the Snap Ring tool into the riser s lift socket turn 1 4 turn and lift the riser from the rotor s body The lift socket for G8 0 G875 and G880 models is protected by a rubberized membrane on the rubberized logo cap and can be located by finding the raised line depiction of the socket s shape fig 18 G990 and G995 risers have a removable rubberized logo cap so the lift up socket is accessed after removing the logo cap directly on top of the riser fig 19 In some cases the riser can simply be pulled from the rotor s body by hand once the upper snap ring assembly is removed fig 20 FIG 18 FIG 19 FIG 20 ARC ADJUSTMENT PREPARATION G35 G75 amp G95 PART CIRCLE RISERS All Hunter adjustable arc rotors have a fixed stop on the right side of the arc and an adjustable stop on the left side of the arc Arc adjustments can be made with the riser in hand or after installation with the rotor not activated or while the rotor is in operation For convenience of installation new rotors from the factory are set to approximately 180 degrees and the long range nozzle is positioned to the right fix side of the arc Before setting the arc it is necessary to first establish where the right side fixed arc stop is located AG 22 FIG 23 gt Hunter GOLF With any adjustable riser held in hand to expose
64. resirssrrsrrsresrersess a 24 Riser Replacement G35 G75 amp G95 Adjustable Part Circle Risers lt iessss sss 24 Upper Snap ring Installation Tips enice peel rrr 24 Upper Snap ring Installation G800 Series 100000 00 sL 24 Upper Snap ring Installation G900 Series coll tue cesep see eeeseees serene teaeeesseeeee se tee se eese sees ee 25 INLET VALVE REMOVAL SERVICE AND INSTALISATIIOIN 26 Valve Identification 0 sassill nate lnnetn ener a nessa tas esses ee 26 Inlet Valve Removal Disenga img the Safety Interlock Feature anne tene Zi Inlet Valve Removal G800 Series cecccccccceceeeeeceeeteee ecto tece e spell rrr rrr 28 Inlet Valve Removal G900 Series cccccciceceeeteee esses peel rrr 30 Inlet Valve Servicing All Models 00 00000c00 es aa ee ee 32 Inlet Valve Installation Safety Warnings qflnae ss eee eee ee ee 83 Inlet Valve Installation G800 Series cages ies tse si E 33 Inlet Valve Installation G900 S erriccgiillaieeiresseee eet sere ner ner 38 SOLENOID PILOT VALVE amp REG eis R E ea EA T ay E ee eee 41 Access to Flange Come armeni nals one its eee eer eee 41 Solenoid amp Piler ave Acem Remos a a sete een ee ne E 43 Solenoidi amp ermi mo anGuReGlaGe MENE a a a a a ere ee ee eee 44 Pilet IRS ACEN ie errr ce E E a a ere ence 47 C omne Ching S Ole MONO Teall Oi aN Secret cee eee ere gerne ee teen re eee Ores
65. s important as it is part of the G80 s nozzle retention system Press in firmly until the nozzle stops The G80 s short range and mid range nozzles are performance matched to all G80 long range nozzles As a result replacement of these nozzles is normally required only when a nozzle has been damaged If replacement does become necessary it is important to note that these nozzles must be installed with the correct orientation for optimal performance Prior to removal of the short range or mid range nozzle note the differences between the nozzle on the left and right When facing the short range and mid range nozzles e G80 Full Circle The short range nozzle is black and on the right side The mid range nozzle is blue and on the left side To remove the short or mid range nozzle grab and rotate the nozzle 90 degrees to the outside away from turret then wiggle and pull it upward To install a short range or mid range nozzle position the nozzle so the orifice is pointing outward and to the side Drop the nozzle into position by wiggling it downward The final step is to rotate the nozzle 90 degrees pointing it in the opposite direction of the primary long range nozzle This action locks the nozzle in the nozzle housing Prior to installation of the shroud replace the retraction spring and seal assembly if removed prior To install the nozzle housing shroud position the shroud over the nozzle housing The single opening for the Primary long ra
66. t activate even if the controller sends 24 volts of power to the rotor s solenoid To restore activation by the controller s programming return the selector to the AUTO position ON Using one of the tools listed above turning the selector turn counter clockwise from the AUTO position will manually activate the rotor fig 3 The rotor will continue to operate until the selector is returned to the AUTO or Off position De activation of the sprinkler may take several seconds FIG 1 FIG 2 FIGS Caution Do not over tighten the selector when turning to the manual OFF position Turn only until resistance is felt Over tightening can cause premature failure of the solenoid s plunger seal and lead to the rotor leaking water in the AUTO position gt Hunter GOLF CONTROL TUBING CONNECTIONS C 0 M MODELS CONVERTED TO HYDRAULIC CONFIGURATION In hydraulic installations the flange compartment should be used to make the Control Tubing connections to the rotor This allows for tubing connections pressure tests and flushing of the control lines all without digging Converting C O M models to the Hydraulic configuration Remove the two stainless steel screws and lift the flange compartment lid to expose the flange compartment Find the end of the inch tubing that comes into the flange compartment from the bottom of the rotor fig 4 Check O Matic C versions of TTS rotors can be converted for use in Normally Open Hydraulic syst
67. t to next to the body cavity opening A second alignment dot is located below the lid in case the flange compartment lid has been removed Align the pointer arrow on the tool with the alignment dot and lower the assembled tool white lower snap ring and inlet valve into the rotor s body As the G900 Valve Tool is lowered into the rotor s body recessed areas on the black plastic part on the tool will engage vertical rails inside the body wall The tool must engage these rails or the inlet valve communication port will not align with the communication port in the body cavity below Continue pressing the assembled tool white lower snap ring and inlet valve downward into the rotor s body Once the tool reaches the bottom continue pressing firmly to securely seat the inlet valve and snap ring fig 123 A distinct click sound should be heard as the snap ring is released and engages the snap ring groove in the rotor s body cavity After the inlet and white lower snap ring have been properly seated press down on the tool then rotate counter clockwise to disengage the tool s metal hooks from the inlet valve Next raise the G900 Valve Tool out of the body Finally take whatever time is necessary to visually confirm that every part of the white lower snap ring is securely seated into the snap ring groove Caution If snap ring in not fully seated in the snap ring groove the valve may be expelled from the rotor when the piping is re pressuri
68. te counter clockwise to disengage the tool s metal hooks from the inlet valve Next raise the G800 Valve Tool out of the body Finally take whatever time is necessary to visually confirm that every part of the white lower snap ring is securely seated into the snap ring groove BIG O07 FIG 108 Hunter GOLF Inlet valve installation option 2 The alternative method to installing the G800 inlet valve is to use the 16 Needle Nose Pliers Tool First look at the top of the inlet valve and notice the raised wall or rib that protrudes upward from the center During installation the 16 Needle Nose Pliers Tool is used to grab this protruding rib on the inlet valve Next look at the side of the inlet valve and notice the communication port During installation this communication port must engage the communication port at the bottom of the rotor s body cavity Now notice that directly above the communication port there is a slot feature on the valve s outside ring fig 109 During installation this slot feature must engage the vertical rail of plastic located on the rotor body s inside wall The vertical rail is located directly above the communication port at the base of the rotor s body cavity Grab the protruding rib on the inlet valve firmly with the 16 Needle Nose Pliers Tool Next insert the inlet valve into the rotor s body cavity It is necessary to align the valve s communication port and or the slot feature with th
69. tension Eye protection should be worn and safe handling procedures followed when servicing this product Hold the riser seal assembly down with one hand Using the other hand locate the two hidden screws that retain the rubberized logo cap assembly These can be found by pressing down on the rubberized logo cap close to the H and the r on the Hunter logo figs 44 amp 45 The Phillips headed retaining screws are directly beneath these eet Insert the Phillips screwdriver through the rubberized membrane and engage each retaining screw Turn counter clockwise to remove each screw Prior to removing the rubberized logo cap assembly note its orientation as it relates to the nozzles below This will help with the assembly process later Remove the rubberized logo cap and set aside While still holding the compressed riser seal assembly and retraction spring with one hand use the other hand to grasp the bottom of the riser assembly Slowly release the compression of the retraction spring until it is fully extended and no pressure is felt Prior to removing the riser seal assembly note the orientation and sequence of the three individual seal assembly parts fig 46 The Upper Seal Support is on top and its lower surface nests perfectly with the top of the riser seal The Riser Seal is the rubberized part in the middle The Lower Seal Support also known as the Upper Spring Support has an upper surface that nests perfectly to the lower surfa
70. that there is a flat section on one side of the Solenoid fig 137 This flat is used as a reference when connecting the Solenoid to the Pilot Valve Next notice there is also a flat section along the side of the Pilot Valve at a point opposite of the upper fitting This flat is the second reference when connecting the Solenoid to the Pilot Valve With the gray Detent Ring attached to the bottom of the Solenoid bring the Solenoid and the Pilot Valve together Prior to engaging the Solenoid and Pilot Valve threads align the flats on the Solenoid and Pilot Valve then press together Prior to turning Solenoid clockwise you must first turn the Solenoid counter clockwise 1 8th of a turn This action ensures that the correct first thread on Solenoid engages the first thread on the Pilot Valve Now press the Solenoid amp Pilot Valve together while threading the Solenoid clockwise onto the Pilot Valve Next the Solenoid must be placed in the Auto position To do so keep turning the Solenoid clockwise onto the Pilot Valve until it stops bottoms out Do not tighten Then turn the Solenoid counter clockwise until you feel the first Detent Ring click fig 138 This is the Auto position To check for proper alignment position the connected Solenoid and Pilot Valve assembly in your hand so you are looking at the top Next rotate the Solenoid and Pilot Valve assembly until the flat on the Solenoid is at the 12 00 position do not unthread S
71. the stator The stator has a series of numbers engraved into the plastic These numbers are the nozzle size reference numbers To make an adjustment rotate the adjustable stator plate to the right in a clock wise direction fig 61 Notice the small cutout or window on the adjustable stator plate As the adjustable stator plate is rotated the various nozzle reference numbers will appear in the cutout window Simply keep rotating the adjustable stator plate until the desired nozzle number on the gray stator appears in the cutout window Double check to make sure the desired nozzle number is visible in the cutout window Finally install the filter screen as outlined in the filter screen servicing section above Hunter GOLF STATOR ADJUSTMENTS G90 AND G95 RISERS Turn the riser upside down remove the filter screen and view the stator area Notice the white plastic part that is set within the bottom of the riser fig 62 This white part on G90 and G95 risers is called the adjustable stator plate Beneath the adjustable stator plate is a black non removable plastic part with the opening in the center for the turbine and the single opening to the side This part is called the stator The outer ring at the base of the riser has recessed notches all the way around it Notice that the white adjustable stator plate has a protrusion that is engaged with one of these recessed notches This protrusion is the adjustable stator plate s point
72. tion In order to engage the inlet valve and white lower snap ring with the G800 Valve Tool properly you must be familiar with the pointing and alignment features on the tool s black plastic part First look at the three retaining screws on top of the tool Next find the screw that has a pointer arrow engraved around the head of the screw fig 101 This pointer is used to indicate the direction and alignment that the tool must have as it is inserted into the rotor s body A second pointer arrow is located directly below on the underside of the G800 Valve Tool fig 102 The underside of the black plastic part on the G800 Valve Tool includes a feature that will hold the white lower snap ring in position during installation The white lower snap ring must be oriented correctly in the tool and the raised areas at each end of the snap ring must be facing the black plastic part on the tool The white lower snap ring must be loaded to the G800 Valve Tool correctly If the snap ring is not loaded correctly the valve cannot be loaded to the tool L FIG 100 FIG 101 FIG 102 gt Hunter GOLF To install the inlet valve into the rotor s body first load the white lower snap ring to the tool Hold the white lower snap ring in the palm of one hand with the raised protruding ends of the snap ring facing towards you fig 103 In the other hand hold the G800 Valve Tool with the metal hook end of the tool pointing towards you Compress the snap ring
73. tor fig 147 The tube entering the center of the Pressure Regulator is the inlet and it comes from the top fitting in the Pilot Valve The tube that is offset from the center is the outlet and it goes to the rotor s body wall One of the TTS rotor s valuable features is that the water discharged from the valve circuitry is vented into the rotor s body and then out the nozzles To replace the Pressure Regulator use side cutters or blade to make clean cuts in the tubing at points just before they enter into the Pressure Regulator Next connect the inlet tube going into the center of the new Pressure Regula tor To connect pinch tube s end with fingers in order to make the opening as round as possible Place the end of the tube to the Pressure Regulator s center connection point then press and wiggle into position Make sure the tube goes in as far as possible Next connect the outlet tube going to the rotor s body wall If removed attach the Solenoid and Pilot Valve to the flange compartment Finally insert Pressure Regulator into any convenient available location within the flange compartment FIG 147 FIG 148 ATTACHING THE FLANGE COMPARTMENT LID Take a moment for a final check to make sure that all of the flange compartment components have been installed properly Place the flange compartment lid into position and align the Selector Cap to its hole in the lid Press the flange compartment lid into position and secure with the stainl
74. tor being serviced or move the selector to the manual On position e A tubing clamp or locking forceps tool can be used to pinch the supply tube going into the Pilot Valve The pressurized supply tube runs from the inlet area of the rotor and up into the flange compartment then is directly connected to the bottom fitting on the Pilot Valve fig 132 Caution care needs to be taken and an appropriate tool used so as to not damage the tubing as it is clamped closed A leaking supply tube will cause the rotor to weep water while deactivated e A14 tubing retainer can be used to pinch the supply tube going into the Pilot Valve Note that the tubing used within the TTS rotor s flange compartment is tubing NOT 1 4 tubing To do so bend the supply tubing together and slide the tube retainer over the bent end to hold the tubing closed The pressurized supply tube runs from the inlet area of the rotor and up into the flange compartment then is directly connected to the bottom fitting on the Pilot Valve fig 132 Caution care needs to be taken so as to not damage the tubing as it is bent closed This procedure is not recommended in cold weather conditions A leaking supply tube will cause the rotor to weep water while deactivated FIG 132 Hunter GOLF Separate the Solenoid from the Pilot Valve Remove the Solenoid from Pilot Valve with counter clockwise turns Pull to separate the Solenoid from the Pilot Valve fig 133 The
75. valve fig 73 G900C Check O Matic Rotors Black screen attached to valve fig 74 G900E Electric V I H Rotors White screen attached to valve fig 75 Warning e fa black screened inlet valve is installed into an electric valve in head rotor the rotor will not shut off e fa tan or white screened inlet valve is installed into a check o matic rotor the rotor will leak water from the vent port during sprinkler operation and the check height will be negatively affected FIG 73 FIG 74 FIG 75 Hunter GOLF INLET VALVE REMOVAL DISENGAGING THE SAFETY INTERLOCK FEATURE Caution Electric valve in head rotors are connected to pressurized main line or sub main piping This pressurized piping must be depressurized before servicing the inlet valve Serious bodily injury can occur if valve is removed when the piping is pressurized Keep head and body parts away from the rotor s exposed internal openings at all times Wear proper eye protection and use the designated tools when servicing these rotors With the main line or sub main depressurized and the riser assembly removed proceed with disengaging the G800 inlet valve s safety interlock feature as follows Remove the water inside the rotor s body using manual hand pump Look into the body cavity and take note of the white lower snap ring and just below the black top of the inlet valve fig 76 The white snap ring may be stained from the water making it gray or brown colored fi
76. zed Serious bodily injury can occur Keep head and body parts way from the rotor when piping is being re pressurized FIG 122 FIG 123 Hunter GOLF SOLENOID PILOT VALVE amp REGULATOR SERVICING ALL ELECTRIC VIH MODELS Caution Electric valve in head rotors are connected to pressurized main or sub main piping This pressurized piping must be depressurized before servicing the rotor This rotor will activate turn on if Solenoid is loosened or if Solenoid is removed or if Pilot Valve is removed or the supply tubing is cut The velocity of the water stream and flows emitted from the rotor are high Bodily injury can occur if the water stream hits the face eyes ears or other body parts Keep head and body parts way from water stream Wear proper eye protection and use the designated tools when servicing these rotors Whenever possible keep head and body parts away from the top of the rotor TOOLS NEEDED e Phillips Screwdriver e Flat Blade Screwdriver e Hunter Wrench PN 471720 e Tubing Clamp Locking Forceps or 1 4 Tube Retainer to close pilot valve s inlet tubing e Side Cutters Dikes or Blade Cutter to cut tubing ACCESS TO FLANGE COMPARTMENT COMPONENTS Using a Phillips screwdriver remove the two stainless steel screws that retain the flange compartment s lid fig 124 A slot is located adjacent to the on off auto selector at the edge of the flange lid Use a bladed screwdriver to pry the flange lid up

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