860S and 880S Series Rotary Sprinklers Installation
Contents
1. Circle 30 330 Recommended Operating Pressure 50 100 PSI 3 4 6 9 bar Minimum Pressure 40 PSI 2 8 bar Maximum Pressure 150 PSI 10 3 bar Precipitation Rate m Minimum 0 37 hr 9 4 mm hr a Maximum 0 75 hr 19 1 mm hr Body Height 10 25 4 cm Pop Up Height 3 7 6 cm 1 NPT BSP or ACME Female Thread Inlet Spike Guard Solenoid m 24 V a c 50 60 Hz m Inrush Current 50 Hz 0 17 Amps 4 1 VA 60 Hz 0 12 Amps 2 9 VA a Holding Current 50 Hz 0 15 Amps 3 6 VA 60 Hz 0 10 Amps 2 4 VA Manual Control On Off Auto Check O Matic model checks up to 37 11 2 m of elevation Color coded Nozzles see nozzle color code chart p 3 Three body activation types available Electric VIH Normally Open Hydraulic VIH and Check O Matic Three body thread types available NPT BSP and ACME Manual control at the sprinkler On Off Auto Electric only Bowl vented discharge atmospheric minimizes the differential pressure required for regulation and ensures positive valve closure electric models only All internal components serviceable from the top of the sprinkler Large selection of color coded nozzles available Durable plastic and stainless steel construction Spike Guard solenoid for superior surge protection 880S Series Radius 53 83 16 2 m 25 3 m Flow Rate 14 3 52 9 GPM 54 1 200 2 I mn Trajectory 25 Arc Full Circle or Adjustable Part Circle 30 330 Recommended Ope2. Figure 8 2 Use valve removal tool P N 995 08 for 860S or 995 09 for 880S to remove valve assembly from base of sprinkler body Valve removal tool is inserted into sprinkler body and pushed through valve ribs A slight twist will catch tool under ribs enabling valve removal by pulling straight up and out See Figure 9 Note If valve removal tool is not available use snap ring pliers to grasp rib of valve cylinder assembly and pull up and out of sprinkler body 3 Reinstall valve assembly using valve insertion tool P N 995 76 for 860S or 995 101 for 880S as follows e Load snap ring onto insertion tool carrier with stepped side against carrier as shown in Figure 10 While holding snap ring in compressed position slide retainer clip in to hold snap ring ears e Load valve assembly on carrier as shown e Locate position of communication tube in bottom of sprinkler body and orient insertion tool accordingly e Insert tool straight down into sprinkler body aligning bosses on t handle with holes on sprinkler body flange When valve assembly clears vertical side wall ribs inside body pull up on snap ring release mechanism 880 models only and press valve assembly into position Snap ring will lock into groove when properly installed Remove insertion tool and check snap ring to confirm that it is fully seated in groove Figures Figure 9 Figure 10 Snap Ring In Retainer Clip Snap Ring Release Mechanism _ Ste
3. N 995 15 inserted through the body flange onto the pilot valve D shaped selector cam The AUTO mode permits automatic operation from the system controller The ON mode opens the main valve for manual operation and OFF mode prevents the main valve from opening Troubleshooting Pilot Valve PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION SPRINKLER WILL a No 24 VAC to coil assembly Electric Models NOT TURN ON Measure voltage with a Digital Volt Meter DVM Check wiring and controller program Refer to Controller Operating Instructions b Selector cam in OFF position Set to AUTO position c Debris in pilot valve assembly Disassemble and remove all debris See Servicing Pilot Valve page 11 d Insufficient pressure in controller supply line and or sprinkler control tube N C Models Check pressure continued SPRINKLER WILL a NOT SHUT OFF Sprinkler Mechanism PROBLEM SPRINKLER WON T ROTATE HEAD STICKS UP POOR DISTRIBUTION PATTERN Main Valve PROBLEM VALVE WON T CLOSE Electric VALVE WON T CLOSE Hydraulic Constant 24 VAC from controller Electric Models Check for voltage using a DVM If voltage is present disconnect wire If sprinkler closes service controller Refer to Controller Service Manual Selector cam in manual ON position Set to AUTO or OFF position Debris in pilot valve assembly Disassemble and remove all debris See Servicing Pil
4. cap is correctly installed with the Toro Logo positioned over the main nozzle 10 Insert hooked end of multi purpose tool P N 996 83 into slot in snap ring 13 Pull snap ring inward toward sprinkler assembly then upward to remove from groove Note During reassembly ensure snap ring is correctly installed and fully seated in groove Insert hooked end of mult purpose tool into slot provided in the nozzle base above main nozzle Pull riser assembly out of body While pushing seal retainer assembly 14 and 15 downward to slightly compress return spring use a 1 2 nut driver P N995 80 to remove nozzle base lock nut 8 Pull nozzle base assembly from drive assembly shaft Slowly release tension from return spring Remove the slotted stainless steel washer 7 Three small tabs are provided on the edge of the multi purpose tool Insert tabs into debris filter screen Holding plastic base of riser assembly turn screen counterclockwise to remove Remove variable stator and stator support from riser assembly Note The stator support is keyed to the riser assembly During reassembly ensure stator support slots engage riser assembly alignment tabs Refer to Figure 7 for the location of the alignment tabs Using a 5 8 nut driver P N 995 99 unscrew main nozzle from nozzle base assembly Using a 7 16 nut driver P N 995 79 unscrew two inner nozzles from nozzle base assembly Remove restrictor from one inner nozzle Pres
5. zone x 96 3 Total irrigated square feet of zone e 1 Single row GPM of full circle x 96 3 Spacing Scallop Installation Procedure To assure maximum performance from your 800S series sprinklers read these instructions completely prior to installation or service Constructing Swing Joints Figure 1 1 Construct or provide triple swing joints for each sprinkler as shown in Figure 1 Use PVC or ABS pipe nipple for the sprinkler connection Note On sites where the possibility of heavy equipment rolling over a sprinkler exists the swing joint will flex preventing damage to the lateral or main lines On a new installation in raw ground where the sprinklers are to be initially installed above the finished grade and lowered when new turf is established the swing joint allows sprinkler repositioning without changing risers This is a common and practical procedure which eliminates the problem of dirt being accidentally introduced into the lateral lines when a riser is changed 2 Flush lines thoroughly prior to installing sprinkler 3 Apply Teflon tape on riser threads not required on ACME threads Install sprinkler to riser and tighten A CAUTION Use only Teflon tape on riser threads Use of pipe dope or other types of sealing compounds can cause deterioration of sprinkler body threads Connecting Control Wires Electric Models Only 1 Route control wires to sprinklers Provide extra wire at spr
6. 53 1 1 4 3 1 10 37 9 1 86 0 57 8 20 2 250 946 3 1 70 0 52 1 1 2 3 8 10 37 9 1 41 0 43 10 25 4 450 1703 0 1 97 0 60 2 5 0 20 75 7 1 80 0 55 12 30 5 500 1893 0 1 55 0 47 2 1 2 6 4 30 113 6 1 84 0 56 WARNING NEVER STAND OR LEAN OVER THE SPRINKLER WHILE THE IRRIGATION SYSTEM IS BEING FILLED DURING MANUAL OR AUTOMATIC OPERATION OR WHEN PERFORMING SPRINKLER SERVICE PROCEDURES DIRECT CONTACT WITH IRRIGATION SPRAY A FAILED OR IMPROPERLY INSTALLED SPRINKLER CONNECTION OR SPRINKLER COMPONENTS FORCIBLY EJECTED UPWARD UNDER PRESSURE CAN CAUSE SERIOUS INJURY Use jockey pump only to fill the system at a velocity fill rate of less than 2 0 61 m per second A CAUTION Failure to comply with recommended fill rate will increase line pressure resulting in a water hammer effect that could damage sprinklers and piping components 2 Use quick coupler keys at all tees and greens with quick coupler valves to bleed air from the system lines during the filling process For best results do not compress air and then relieve it bleed the air continuously while filling the system 3 After water has filled all lines and all air is removed remove the quick coupler keys Arc Adjustment Procedure Part circle Models The 860S and 880S part circle models have an adjustable watering arc from 30 330 and are factory preset at 180 The left side of the arc located at the end of counterclockwise rotation is non adjustable fixed Therefore all arc adj
7. TORO Count on it 860S and 880S Series Rotary Sprinklers Installation amp Service Instructions Introduction The 860S and 880S series full circle and adjustable part circle rotary sprinklers are designed specifically for golf course applications Manufactured from durable high strength engineering plastic and stainless steel components the 800S series sprinklers incorporate many innovative and time proven features for lasting maintenance free operation Prior to installing the sprinkler read through the recommended installation and start up procedures Please observe all WARNINGS and CAUTIONS when installing and operating this equipment Features Specifications and Performance Application Data 860S Electric VIH 880S Electric VIH Adjustable part circle 30 330 and full circle models available Arc adjustment from top of sprinkler Standard stainless steel riser resists scoring from embedded debris Full 3 7 6 cm pop up clears tall grasses Nozzles color coded by radius and gallonage Cap serves as an effluent water indicator Variable stator Standard pressure regulation settings of 50 psi 3 4 bar 65 psi 4 5 bar 80 psi 5 5 bar or 100 PSI 6 9 bar to ensure consistently accurate nozzle performance regardless of elevation 860S Series Radius 54 80 16 4 m 24 4 m Flow Rate 14 1 44 5 GPM 44 3 155 9 I mn Trajectory 25 Arc Full Circle or Adjustable Part
8. dius Nozzle Set 83 GPM Radius GPM GPM Set Nozzle Set Nozzle Set Nozzle Set 86 87 88 Radius GPM 35 2 65 38 3 38 3 71 41 6 65 71 65 32 9 71 36 1 42 5 77 Sprinkler Application Data 880S series sprinkler only Nozzle Color Code Nozzle Main Inner Intermediate 1 Yellow Red Gray 2 Blue Red Gray 3 Brown Red Red 4 Orange Red Red 5 Green Red Beige 6 Gray Red Beige 7 Black Red Beige 8 Red Red Beige Sprinkler Spacing Guidelines 1 Square Spacing Nowind 55 of diameter 4mphwind 50 of diameter 8mphwind 45 of diameter Triangular Spacing Nowind 60 of diameter 4mph wind 55 of diameter 8mphwind 50 of diameter 1 Single Row Spacing Nowind 50 of diameter 4mphwind 50 of diameter 8mphwind 45 of diameter Note Designing for zero 0 mph wind conditions is not recommended Design for worst wind conditions For additional information refer to Toro Technical Data Manual form number 490 1737 47 8 83 Radius shown in feet Sprinkler radius of throw per ASAE standard 398 1 EE Not available at these pressures Precipitation Rate Formulas 1 Square spaced sprinklers in pattern GPM of full circle x 96 3 Spacing 1 Triangular spaced sprinklers in pattern GPM of full circle x 96 3 Spacing 0 866 1 Area and flow y Total GPM of
9. dy to achieve the proper alignment Refer to the service procedures on page 9 for disassembly instructions 4 To adjust the arc remove the phillips head screw from the center of the cap See Figure 3 5 Insert arc adjustment tool P N 995 82 or a 3 32 x 6 hex wrench into threaded shaft Turn the tool slowly counterclockwise to decrease the arc or clockwise to increase the arc as shown in Figure 4 Note Each click equals 1 of arc change One complete revolution of the hex wrench results in a 75 change 6 Repeat steps 2 and 5 as necessary making small adjustments until exact arc is set 7 Install cap screw when arc adjustment is completed Pilot Valve Operation Electric Models Only The main function of the pilot valve is to control the operation of the main valve located in the base of the sprinkler body The main valve is operated by the release of water metered through the pilot valve when it is activated either manually at the sprinkler or by the irrigation system controller Another important function of the pilot valve is to regulate the water pressure to the sprinkler nozzle Pressure regulation compensates for large variations within the system and maintains a constant pressure for optimum sprinkler operation The pilot valve is factory set to regulate one of four pressure levels 50 psi 3 4 bar 65 psi 4 5 bar 80 psi 5 5 bar or 100 PSI 6 9 bar The sprinkler operation mode is set using a Toro Selector Tool P
10. e the tube retainer and poly cap from the tubing adapter at the base of the sprinkler Slide the tube retainer over the end of the control tubing and attach tubing to adapter Table 2 Hydraulic Control Systems Maximum Distance Type of System Normally Open 01 with 3 16 Control Tubing 500 Normally Open 01 with 1 4 Control Tubing 1000 From Controller Elevation Restrictions Valve elevation should not exceed 25 ABOVE controller elevation or 70 BELOW controller elevation Valve elevation should not exceed 25 ABOVE controller elevation or 70 BELOW controller elevation e All hydraulic connections on Toro valves are 1 4 insert type e Control line pressure must be equal to or greater than mainline pressure e Control line pressure range is 40 to 150 PSI 5 Slide tube retainer over adapter area to secure tubing System Start Up velocity fill rate of less than 2 61 m per second See Table 3 below 1 Table 3 Recommended System Fill Rate The following is a recommended procedure that will protect system components during system start up The procedure is based on a A Pipe Size Flow Velocity Pipe Size Flow Velocity in cm GPM LPM ft sec m sec in cm GPM LPM ft sec m sec 1 2 1 3 2 7 6 1 60 0 49 3 7 6 45 170 3 1 86 0 57 3 4 1 9 3 11 4 1 92 0 59 4 10 1 75 283 9 1 87 0 57 1 2 5 5 18 9 1 50 0 46 6 15 2 150 567 8 1 73 0
11. e when station is activated If no discharge refer to Controller Service Manual Damaged or blocked valve seat Remove blockage and if necessary replace valve assembly Damaged piston seal or piston assembly Replace valve assembly Low pressure on supply line Check for low pressure reason and correct Elevation of normally closed sprinkler exceeds 75 22 9 m differential Control tubing leak which lowers supply pressure to other stations Turn controller from station to station until a station is reached where only valves on that station stay open The leak would be in the tubing on that station Isolate and repair Leak in supply line to controller Verify by checking pressure in all control lines Leak in controller pilot valve Verify by constant discharge from controller Plugged supply line filter Replace filter if more than 3 psi 0 21 bar differential exists Service Procedures Servicing Sprinkler Mechanism WARNING NEVER STAND OR LEAN OVER THE SPRINKLER WHILE THE IRRIGATION SYSTEM IS BEING FILLED PROCEDURES DIRECT CONTACT WITH IRRIGATION SPRAY A FAILED OR IMPROPERLY INSTALLED DURING MANUAL OR AUTOMATIC OPERATION OR WHEN PERFORMING SPRINKLER SERVICE SPRINKLER CONNECTION OR SPRINKLER COMPONENTS FORCIBLY EJECTED UPWARD UNDER PRESSURE CAN CAUSE SERIOUS INJURY 10 11 12 1 Remove the cap screw 1 and cap 3 Note During reassembly ensure the
12. inkler to allow for height adjustment One common wire and station wire is required for each sprinkler See Wire Sizing Chart Table 1 for proper application Table 1 Wire Sizing Chart Total Wire Length Between Controller and Sprinkler 23 23 23 23 23 23 23 24 24 24 24 24 24 4 5 5 5 5 23 23 23 23 23 23 23 10 0 5 5 5 5 4 10400 __ 16667 5080 m 8333 2540 m 5556 1693 m 4167 1270 m 24 i 24 24 24 24 24 10 10 Note Wire length data provided in Table 1 is the sum of the station and common wire legs See example in Figure 2 Figure 2 2 Attach control wires to solenoid leads using an approved waterproof splicing method Station Wire 1095 334m AA A CAUTION All wire splices and field Common Wire 1095 334m connections must be waterproofed to prevent short circuit to ground and subsequent controller Total Wire Length 2190 668m damage Connecting Hydraulic Control Tubing Hydraulic Models Only f Route control tubing from the controller to the sprinkler location s Note Leave an 18 45 7 cm service loop of tubing at each sprinkler to facilitate movement of sprinkler and service operations Refer to Table 2 for tubing run length and sprinkler elevation information Flush tubing thoroughly to remove all air and debris Remov
13. kwise 7 Remove selector shaft assembly 6 and plunger assembly 3 The selector shaft retains the plunger in the valve body 9 Remove diaphragm assembly 10 piston 9 spring 8 and o ring 4 10 Thoroughly clean and inspect all parts Replace damaged parts as necessary and reassemble in reverse order Note Refer to Illustrated Parts Breakout Book form number 368 0044 for service part numbers Flushing Sprinkler WARNING NEVER STAND OR LEAN OVER THE SPRINKLER WHILE THE IRRIGATION SYSTEM IS BEING FILLED DURING MANUAL OR AUTOMATIC OPERATION OR WHEN PERFORMING SPRINKLER SERVICE A PROCEDURES DIRECT CONTACT WITH IRRIGATION SPRAY A FAILED OR IMPROPERLY INSTALLED SPRINKLER CONNECTION OR SPRINKLER COMPONENTS FORCIBLY EJECTED UPWARD UNDER PRESSURE CAN CAUSE SERIOUS INJURY 1 With sprinkler operating carefully step down on center of cap several times Water will flow around riser and flush out debris 2 Cycle sprinkler on and off several times to check for proper retraction Cap should be even with top of body flange when fully retracted If riser sticks in up position check for debris lodged between riser and body Flush out all debris Remove sprinkler mechanism if necessary 2002 The Toro Company Irrigation Division Form Number 373 0244 Rev A
14. ot Valve page 11 Constant pressure from controller N C Models Check pilot valve at controller for constant flow Check elevation differential Valve elevation should not exceed 0 above controller elevation or 70 21 3 m below controller elevation POSSIBLE CAUSE CORRECTIVE ACTION a Debris wedged between stator and turbine Remove obstruction Drive assembly defective Replace drive assembly Nozzle base assembly defective Replace nozzle base assembly Dirt in riser assembly Flush out See Flushing Procedure on page 11 Damaged or missing return spring Replace Damaged riser Replace Nozzle plugged with debris Clean or replace nozzle Nozzle orifice damaged Replace nozzle Low operating pressure Determine why system overloaded and correct POSSIBLE CAUSE CORRECTIVE ACTION a Continuous 24 VAC to sprinkler Check controller for voltage source Leak in pilot valve assembly Replace pilot valve assembly Plugged supply screen on piston Clean or replace screen Manual control selector on pilot valve assembly turned to ON position Turn to AUTO position Plunger movement restricted Inspect and clean or replace Valve cylinder misaligned with sprinkler body communication tube Remove valve assembly and install correctly Foreign object keeping valve from seating Remove clean and check valve fo
15. pped Side of Snap Ring Valve Assembly Orientation In Carrier Press Valve Assembly Into Position Snap Ring Released Servicing Pilot Valve WARNING NEVER STAND OR LEAN OVER THE SPRINKLER WHILE THE IRRIGATION SYSTEM IS BEING FILLED DURING MANUAL OR AUTOMATIC OPERATION OR WHEN PERFORMING SPRINKLER SERVICE A PROCEDURES DIRECT CONTACT WITH IRRIGATION SPRAY A FAILED OR IMPROPERLY INSTALLED SPRINKLER CONNECTION OR SPRINKLER COMPONENTS FORCIBLY EJECTED UPWARD UNDER PRESSURE CAN CAUSE SERIOUS INJURY Note Refer to Figure 11 for the following procedure 1 Make sure that the water supply to sprinkler is positively shut off and any residual pressure has been bled off If the sprinkler is pressurized main valve will open when the pilot valve is disconnected from control tube Figure 11 2 Carefully remove turf and soil from side of sprinkler to expose pilot valve and control tubing 3 Remove two retaining screws from the pilot valve housing 1 4 Pull the pilot valve assembly away from the sprinkler body and cut the control tubing just below tube retainer Unless pilot valve has been previously removed control tubing length will be sufficient for re connection 5 Remove tube retainer and remaining piece of oe eU control tubing from valve body fitting 8 Pull pilot valve body assembly out of as housing 6 Remove solenoid 2 by turning it countercloc
16. r damage Replace if necessary Damaged piston seal or piston assembly Replace valve assembly Leak in control tubing Isolate and repair Pilot valve leak in controller Confirm by observing constant dripping from discharge line of controller Refer to Controller Service Manual Valve cylinder misaligned with sprinkler body communication tube Remove valve assembly and install correctly Foreign object keeping valve from seating Remove clean and check valve for damage Replace if necessary Damaged piston seal or piston assembly Replace valve assembly VALVE WON T OPEN Electric VALVE WON T OPEN Hydraulic SPRINKLER WEEPING Slow leak in valve SEVERAL VALVES ON DIFFERENT STATIONS FAIL TO CLOSE Hydraulic Control field wires severed Isolate and repair No power to controller Establish controller power No power from controller to solenoid Check for blown fuse and replace Manual control selector on pilot valve assembly turned to OFF position Turn to AUTO position Pilot valve solenoid inoperative Remove and replace Pilot valve plunger movement restricted Inspect clean and or replace No supply from main valve Debris in control tube main valve assembly and or communication passages in body Flush thoroughly Plugged controller discharge line or discharge port in pilot valve Verify by checking for discharge at discharge lin
17. rating Pressure 50 100 PSI 3 4 6 9 bar Minimum Pressure 40 PSI 2 8 bar Maximum Pressure 150 PSI 10 3 bar Precipitation Rate m Minimum 0 39 hr 9 9 mm hr a Maximum 0 74 hr 18 8 mm hr Body Height 11 27 9 cm Pop Up Height 3 7 6 cm 1 5 NPT BSP or ACME Female Thread Inlet Spike Guard Solenoid m 24 V a c 50 60 Hz m Inrush Current 50 Hz 0 17 Amps 4 1 VA 60 Hz 0 12 Amps 2 9 VA a Holding Current 50 Hz 0 15 Amps 3 6 VA 60 Hz 0 10 Amps 2 4 VA Manual Control On Off Auto Check O Matic model checks up to 37 11 2 m of elevation Color Coded Nozzles see nozzle color code chart p 3 860S Series Sprinkler Performance Data 80 Base Nozzle Set Nozzle Set Nozzle Set Nozzle Set Nozzle Set Nozzle Set Nozzle Set Pressure 61 62 63 64 65 66 67 psi Radius GPM Radius GPM Radius Radius GPM Radius GPM Radius GPM Radius 63 71 39 5 74 71 73 28 8 63 30 1 100 78 44 5 80 Radius shown in feet Toro recommends the use of a 14 30mm swing joint at flows over 25 GPM 95 LPM 880 Series Sprinkler Performance Data Sprinkler radius of throw per ASAE standard 398 1 EE Not available at these pressures Bas Pressure e G Nozzle Set 81 PM Radius 82 GPM Radius Nozzle Set Nozzle 85 Nozzle Set 84 GPM Ra
18. sing only on the ribbed area of drive assembly push the drive assembly out of riser assembly as shown in Figure 6 A CAUTION When removing or installing the drive assembly DO NOT press on the threaded shaft or attempt to pull the drive assembly out of riser assembly Push on the ribbed areas only Failure to comply may cause separation of drive assembly components Note The drive assembly is keyed to the riser assembly During reassembly position the extra rib of the drive assembly to the right of either alignment tab of the riser assembly as shown in Figure 7 Thoroughly clean and inspect all parts and replace as necessary Reassemble in the reverse order Figure 5 oR Figure 7 Extra Rib Of Drive Assy Alignment Tab Servicing Main Valve WARNING IF THE VALVE SNAP RING IS DIFFICULT TO REMOVE RESIDUAL WATER PRESSURE MAY BE REMAINING IN THE SYSTEM TO PREVENT POSSIBLE SERIOUS INJURY DUE TO VALVE BEING EJECTED UPWARD A UNDER PRESSURE CONFIRM THE FOLLOWING CONDITIONS EXIST PRIOR TO REMOVING THE SNAP RING AND VALVE A WATER SUPPLY TO SPRINKLER IS SHUT OFF AT SOURCE B All PRESSURE IS BLED FROM SYSTEM INCLUDING CONTROL TUBES C AC POWER IS DISCONNECTED AT SOURCE 1 See Warning above To remove valve assembly squeeze snap ring ears together with snap ring pliers P N 995 100 and remove snap ring from sprinkler body See
19. ustments whether increasing or decreasing will change the right side of the arc located at the end of clockwise rotation Although the sprinkler arc can be adjusted dry sprinkler shut off the best results are obtained during operation The tools required for this procedure include a phillips screwdriver and an arc adjustment tool P N 995 82 or a 3 32 x 6 hex wrench WARNING NEVER STAND OR LEAN OVER THE SPRINKLER WHILE THE IRRIGATION SYSTEM IS BEING FILLED DURING MANUAL OR AUTOMATIC OPERATION OR WHEN PERFORMING SPRINKLER SERVICE A PROCEDURES DIRECT CONTACT WITH IRRIGATION SPRAY A FAILED OR IMPROPERLY INSTALLED SPRINKLER CONNECTION OR SPRINKLER COMPONENTS FORCIBLY EJECTED UPWARD UNDER PRESSURE CAN CAUSE SERIOUS INJURY 1 Operate the sprinkler See WARNING above continuously from the threaded shaft D ecrease 2 To check the current arc setting rotate the cap by hand ge in the direction of current travel to the end of the arc i Immediately rotate the cap in the reverse direction to pa a the opposite end of the arc 3 Rotate the cap to the left side of the arc If only a slight adjustment one eighth of a turn or less is required to align the spray with the left watering border turn the sprinkler body If more than one eighth turn is required remove the sprinkler drive assembly and reposition it in A Note During this procedure water will discharge Figure 3 Figure 4 the bo
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