POWERTILT - Helac Corporation
Contents
1. lt OM d 232233 204 342 7 234 343 121 DETAIL DETAIL MODEL 09 MODELS 10 11 8 12 Service normally not required 20 CORPORATION PT Exploded View Housing with integral ring gear Lock ring Shaft mounting screws lt Piston sleeve assembly Standard pin on coupler 21 CORPORATION PARTS Item Description Quantity NE Housing 1 1 4 Ring Gear 0 C usss nas a RN 1 assaka nas Piston Sleeve 1 U FI CO 1 SAE LOCK RING NE NORTE 1 Standard Pin on Coupler 1 PT Series only 6 1 0 OO 0 ones 0 101 Port Plug Shaft 1 104 Shaft Mounting Screw Model 6 M16 X 2 0 4 Model 7 L u uu 4 Model 8 M24 3 0 4 Model 9 M24 x 9 0 4 Model 10 M30 X 939 5 4 Model 11 6 Model 12 M30 x 5 6 Shaft Dowel Pin 1 106 Plate Washer 12. o Grease Relief 2 120 ss Lock Ring Screw Model 6 M12 6 Model 7 M12 8 Model 8 M16X2 u 6 Model 9 M16 X 2 0 8 Model 10 M16 X 2 0 8 Model 11 M16 x 2 0 8 Model 12 M20 x 2 5 8 V2 eem Piston Dowel Pin 2 122 Grease Fitting 2 123 Grease Relief 2 124 4 125 Jacking Bolt Coupler 1 or 2 126 Jam Nut Coupler 1 2 127 Dowel Pin Retainer 1 129 Lock Ring Set Screw 2 413 Cross Port Relief Valve 1 450 Hazard Warning Decal for Product 2 451 Hazard Warning Decal for Cab 1 22 Parts List All shaft mounting screws are Grade 12 9 All lock ring screws are Grade 10 9 These parts are not available for purchase SEAL KIT Sold as kit only Item Description Quantity 204 PISO SE ERE 1 For model sizes 10 11 and 12 only 205 ioter aan a aa a gada waneh adam 1 230 End Cap O ring 1
3. Confirm proper timing by aligning the piston sleeve assembly 03 timing marks with the housing ring gear 1 4 timing marks Then using a plastic or rubber mallet and mandrel engage the piston sleeve 03 into the housing ring gear 1 4 Continue tapping until the piston sleeve bottoms out against the housing ring gear CORPORATION Shaft Installation 3 Verify timing marks before rotating the shaft all 1 Before installing the shaft 02 coat the shaft the way into the housing 01 with high quality hydraulic oil Temporarily cover the shaft threads with tape to prevent seal damage Remove the tape after the shaft has been installed E i a 4 4 Use a pry bar to rotate the shaft 02 in until it is completely bottomed out in the housing 01 2 Insert the shaft 02 into the piston sleeve assembly 03 carefully aligning the timing marks on the shaft with the piston 03 Take care not to damage 1 0 piston seals 204 205 with the threaded end of the shaft 36 CORPORATION 37 1 End and Lock Ring Installation Before installing the end cap 04 coat the end cap and shaft threads with anti seize grease Install two screws into the end cap Thread the end cap 04 onto the shaft 02 until the seal contacts the housing Using a pry bar continue to rotate clockwise and tighten until the thrust washer 344 makes contact with the housing 0
4. grd 10 9 grd 12 9 Nm Nm Nm M10 x 1 50 60 3 44 3 20517275 103 5 75 4 M16 x 2 00 258 7 187 5 M20 x 2 50 502 20 365 14 M24 x 3 00 868 27 630 20 M30 x 3 50 1723 41 1253 34 All Shaft mounting screws are Grade 12 9 All Lock Ring screws are Grade 10 9 CORPORATION 43 Testing and Greasing at AIT E 4S WARNING Pinch point hazard Moving parts can cause serious injury Keep hands clear during operation A CAUTION Spraying fluids Contents under pressure Wear approved eye protection Use caution when removing port plugs and fittings CAUTION To avoid injury or damage to product Secure product to work bench NOTICE To avoid contamination to machined parts Make sure work area is clean If symptoms of poor performance develop refer to the Troubleshooting Guide on Page 14 for general instructions If you need help with more specific application issues contact PowerTilt AG is the responsibility of your service technician to verify that the carrier and hydraulic circuit are operating correctly Because the PowerTilt receives its power from the carrier a thorough check of the carrier hydraulic system is mandatory before performing any PowerTilt service or adjustments Attach the PowerTilt to either a hydraulic test bench or portable pump for greasing and testing Make sure the PowerTilt is secured to prev
5. 4 N E 2 pl E a x Pr 1 e ey 4 Install the alignment dowel pin 105 into the torque foot 6 1 if it is not already in place Then install the coupler 06 onto the shaft 02 Align the dowel pin 105 on the shaft to the torque foot 6 1 Coat the end of the shaft 02 the lock ring 05 and the outside of the end cap 04 with waterproof grease CORPORATION 41 Standard Pin on Coupler Installation 7 Install the lock ring O ring 239 onto the shaft 10 Coat the lock ring set screws 129 with Loctite 545 thread until tight and torque to 41 Nm 8 Next install the lock ring 05 using two threaded bolts as handles 9 Coat the lock ring screw 120 threads with Loctite 242 install and torque per the Fastener Torque Chart on Page 42 CORPORATION Standard Coupler Installation 11 Coat the shaft mounting screw 104 threads 12 Torque the fasteners to the specifications with Loctite 242 and install shown on the Torque Specifications Charts EZ yr 9 T 227 DEPA 4 27 7 0 2647 1 1 4 Torque Values for Port Plugs Torque Value Hollow Hex Torque Value Hex Head Plug Size Head Plugs Port Plugs Nm Nm BSPP G1 8 BSPP G1 4 BSPP G3 8 Torque Values for Metric Fasteners Socket Head Bolt Hex Head Jam Nut Fastener Size grd 12 9
6. indicate starting positions of piston and shaft Arrows indicate directions they will rotate The housing with integral ring gear remains stationary Ending position When hydraulic pressure is applied to the piston it moves axially while the helical gearing causes the piston and shaft to rotate simultaneously Applying pressure to the opposite port will return the piston and shaft to their original starting positions CORPORATION General Safety Guidelines Cautionary Notices Before beginning disassembly of the PowerTilt there are several cautionary notices that should be considered If you are not comfortable with repair 1 or maintenance of this product contact your local dealer or Helac Corporation s Service Department for assistance To avoid personal injury and machinery damage 2 Read the Service and Repair Manual for proper installation maintenance and repair procedures Pinch point hazard Moving parts can cause serious injury Keep hands clear during operation To avoid personal injury and machinery damage Make sure PoworTitt and or attachment does not come in contact with boom boom cylinder and or operator area particularty in fully curled position To avoid personal injury and machinery damage Make sure n personnel are standing within the arc described by the movement of the attachment PowerTilt increases the swing radius of buckets and tools CAUTION To avoid perso
7. or 2 End Cap Back up Ring 2 232 Piston O ring 0 or 1 233 Piston Back up Ring 0 or 2 234 1 25 cessus Piston Seal 1 For model sizes 6 7 and 8 only BAT asse Exclusion Seal 2 238 2 Pressure 5 2 239 Lock Ring O ring 1 BEARING KIT Sold as kit only Item Description Quantity 340 Shaft Bearing 20r 3 341 Shaft Bearing 1 0 2 342 Piston Bearing 1 243 Piston Bearing 1 or 2 344 Thrust Washer 2 CORPORATION Component Identification CAUTION For a copy of the PT 4 5 meritum ere Service and Repair Manual praying fluids Contents under pressure contact PowerTilt AG at Wear approved eye protection 41 71 740 0505 Use caution when removing siii All numbers that appear in parenthesis in the following CAUTION sections are referring to items on Page 22 To avoid injury or damage to product The PowerTilt is comprised of the follow
8. screws equally standard pin on coupler 06 or feet 6 1 6 2 backing the lock ring off the end cap 04 and idler foot 6 2 6 Insert threaded bolts into the lock ring 05 ang There is an alignment dowel pin We 105 between the shaft and the torque foot 6 1 to prevent sliding CORPORATION End Cap Lock Ring and Cross Port Relief Valve Removal 1 Unthread the port plug 101 on the end of the shaft to remove the cross port relief valve 413 2 Remove the lock ring O ring 239 from the shaft 26 3 Unthread the end cap 04 from the shaft 02 using two bolts and a pry bar 4 Remove the thrust washer 344 from the end cap 04 or the housing collar CORPORATION Shaft Removal Do not remove the shaft 02 at this point Component gearing is aligned for correct timing Timing is Critical for correct operation of the PowerTilt 1 Rotate the shaft 02 completely clockwise then slowly rotate the shaft counterclockwise while tapping the threaded end of the shaft to begin removing the shaft from the piston sleeve assembly 03 Stop when the shaft gearing becomes visible 2 Locate the timing marks on the housing ring gear 1 4 piston sleeve assembly 03 and shaft 02 Small punch marks are usually found on the face of the piston teeth and ring gear The shaft timing marks may be located in the root or V of the helical gearing Pi
9. the piston gearing Failure to do so may cause premature seal wear and pressure trapping NOTICE To avoid premature seal wear and pressure trapping on some Power Tilt models Remove the energizer O ring from one 1 0 and one O D seal nearest to the piston gearing For product models with cup and or T seals install the seals on the O D and I D 234 235 of the piston sleeve assembly Note that the lips are facing away from each other on models with cup seals 3 When used install the wear guide s on the O D and or I D 342 343 CORPORATION Seal and Bearing Installation _ Shaft Seal and Bearing Installation _ 3 Then install the pressure seal 238 with the lip facing inboard toward the hydraulic pressure 1 2 Lightly coat both sides of the thrust washer 34 First install the exclusion seal 237 onto the shaft 02 4 Now install the wear guides 340 341 344 with Lithium grease and install onto the shaft 02 CORPORATION 35 Before installing the piston sleeve assembly 03 coat the piston and housing bore with high quality hydraulic oil to reduce chance of seal damage Carefully slide the piston sleeve assembly 03 into the housing 01 Gently tap the piston to compress the seals through the housing chamfer Continue tapping until the piston sleeve contacts the housing ring gear 1 4 fi 11 i Piston Sleeve Installation
10. 022 USA PHONE 360 825 1601 FAX 360 825 1603 ewww helac com
11. 1 collar gt Remove the two screws and tighten the end cap 04 using a torque wrench and customized end cap tool to the torque specifications shown on the End Cap Torque Chart on Page 38 me mr Then install the lock ring 05 trying different splines to find the best alignment between the lock ring splines and the end cap 04 holes If the holes do not align thread the end cap by no more than one spline tooth to align the holes CORPORATION End and Lock Ring Installation 6 Now make an alignment mark between the lock ring 05 and shaft 02 splines Then remove the lock ring Model Torque Nm Hydraulic Pressure bar 199 150 475 680 750 910 1360 1630 1770 2175 2210 2650 2780 3330 3500 4200 2 shaft port plug 101 threads with Loctite 242 and install into the end of the shaft 02 and torque to 305 Nm 1 Reinstall the cross port relief valve 413 with new O rings and back up rings and torque to 60 Nm 38 CORPORATION Standard Coupler Installation 1 Reinstallthe lock ring 05 aligning the timing 2 Then using a pry bar rotate the shaft until marks Then install and tighten two screws into the torque foot 6 1 mounting surface is the lock ring 05 to lock the end cap 04 and horizontal shaft 02 together 39 l CORPORATION 40 Standard Coupler Installation 3 Remove the two screws and lock ring 05
12. ART DISENGAGING position the mode is no longer active and output is not available To reset push the rocker switch to ENGAGE MODE position Then start the sequence Figure 13 again COMP CONTROL BOX Sume foo rag rums i ee P sas Ta kesi kS Un qampa sss IN I ILE 113 Hine que ima Fixed Hook Rear Pin Front Pin CORPORATION Attachment m E ut J 1 g a s f z 1 mts 4 x LJ kA 074 E 4 T 2 7 ga a 3 LOCKING CLASP Figure 14 Figure 15 Apply down pressure to the pin 5 With the pin grab coupler crowded fully inwards grab coupler and attachment press the rocker switch on the control panel to to check the attachment is fully ENGAGE position Crowd the quick engaged and locked coupler fully for ten 10 seconds The locking clasp will close around the attachment front pin this will be visible from the operator position in the cab The sliding hook will lock the rear Figure 16 attachment pin into position See Fig 21 m 1 5 amp 6 At this point it is most important to roll out the PowerTilt and apply bump test and lower the boom to the ground and apply down pressure to the PowerTilt and attachment to check that the attachment is fully engaged and locked to the pin grab coupler See Fig 15 If the locking clasp Fig 16 is not visibly in position i
13. Before servicing the pin grab coupler Correct maintenance of a pin grab coupler is critical in ensuring that the pin grab coupler is working in the correct manner and prevents degradation of the pin grab coupler under normal wear patterns Ensure any residual pressure in the hydraulic system is released and machine is turned off before any work is carried out on the pin grab coupler Routine Inspection Maintenance Checks Maintenance work must be carried out by competent personnel in accordance to manufacturer s instructions Never use bare hands to look for hydraulic fluid leaks Use a piece of wood or cardboard when searching for leaks General Inspection and maintenance Equipment required Measuring equipment measuring tape vernier callipers Cleaning equipment Brush cloths de greaser Straight edge Hose swaging equipment Selection of hand tools spanners vice grips screw driver set hammers etc Scheduled Inspections when and what to check Recommended minimum maintenance checks 1 10 After installation check and inspect hose routings and connections after 15 minutes of work as they could loosen after machine has heated up Structure inspect for weld cracking damage excess wear to structure and parts Moving components fit up looseness linkages clearances sticking jamming Hydraulics hose wear leaks joints damage lea
14. OLT SLIDING BLOCK DIE SPRING 1 DIE SPRING 2 DEBRIS COVER CHECK VALVE NOT USED IN SOME MODELS CORPORATION 60 Removing Parts from Pin Grab Coupler Before you start you will need the following tools to 6 complete the procedure 8 9 10 11 1 Flat head screw driver 12 2 Large bolt punch 20mm 0 78 in or 10mm 0 39 in 3 Hammer 4 Punch tool check pin grab coupler for correct size 2 Wrenches check pin grabcoupler for correct size Removal Instructions Partially curl in the PowerTilt link pin lower than dipper pin This is for ease of removing the small roll pin Retract the pin grab coupler cylinder Stop the engine and exit the machine Using the punch tool and hammer remove the safety clasp roll pin 5 Enter the machine and start the engine Place the quick coupler on the ground Stop the engine and exit the machine Remove machine link pins from the quick coupler Enter the machine and start the engine Lift the machine linkage out of the way by retracting the machine bucket cylinder Stop the engine and release any hydraulic pressure in the system Exit the machine Remove the hoses from the pin grab coupler cylinder Remove coupler from PowerTilt see pages 24 8 25 of PowerTilt instruction manual Tighten the spring retaining bolt until you are able to remove it Note make sure the flats of the spring retainers are in line with retaining brackets s
15. POWERTILT Instruction Service and Repair Manual PT PTA and PTB Series Optional PowerTilt Pin Grab Coupler INANHOVLILY LIHIdJMOd Table Contents Introduction 81518 OGONI eee 2 80 16 818 TO 6 a u saus 3 Operation Technology 5 General Safety 6 Product 8 ITC ANON 7 Installation and Maintenance GIANG 19184114 E 8 Hydraulic Requirements and Plumbing cccccccssecccecesececccecececeseeeccaueeeceueueeesseeceeeeaueeeessaseeeeseuseeesseseeesssaeeeess 10 11 NS naa gka aa a naa a 13 Trouble Shooting Guide aa 2 12538 14 Tools s c ePi TU 15 Drawings DI iye KN NA KNA 16 20 F pio 21 F L 1 2 E 22 Disassembly Component Identification 23 rp e 9 eee E E 24 Standard Pin on Coupler Remo
16. c oil around the internal piston assembly of the PowerTilt at approximately 210 to 230 bar To test the valve 1 Connect a 350 bar test gauge into the line to Port P1 Pressurize until the shaft reaches the end of rotation and bottoms out externally e g the shaft bracket or torque foot contacts the housing or mounting bracket 2 Relieve pressure to P2 and disconnect the hydraulic hose and cap it 3 Install a temporary hydraulic hose to P2 with the end of the hose vented to an appropriate container The cross port relief valve is set at the factory and cannot be adjusted 4 Slowly pressurize Port P1 noting the pressure at which oil flows from P2 The relief should vent at approximately 210 to 230 bar 5 Test at Port P2 using the same procedure 6 If test pressure does not meet specification the valve must be replaced If piston seal leakage is suspected relief port test plugs are available from the factory CORPORATION OPTIONAL POWERTILT PIN GRAB COUPLER OPERATION amp MAINTENANCE Thank you for purchasing a Power Tilt Pin Grab Coupler Helac attachments are designed and manufactured to the highest quality standards and backed up by Helac s commitment to service and parts support Only properly trained and skilled personnel should install and operate the PowerTilt Pin Grab Coupler Please ensure that you take the time to read this manual fully and carefully 45 It is important all users opera
17. cur are with some types of material handling grab and piling hammers In these cases a two pin adapter bracket designed for the purpose must be used See Fig 3 for example Figure 2 Figure 3 ATTACHMENT PINS TWO PIN CORPORATION Application Recommendations WARNING FALLING ATTACHMENT CAN CAUSE SERIOUS INJURY OR DEATH Failure to fully engage the locking clasp and visually check shake and apply down pressure to the attachment before operating can allow the attachment to come off To increase the service life of the pin grab coupler avoid other operations that may have a negative affect on the coupler These include extensive face shovelling applications and post driving It is the responsibility of the owner and or the operator to assess each task and determine the safest procedure to be followed taking account of the personnel and the equipment being used 49 Examples of equipment that can be used with the PowerTilt Pin Grab Coupler Civil and Construction Work Digging buckets Grading buckets Riddle buckets Drilling rigs Compactors Compactor wheels Stump grinders High capacity bucket Pallet forks PowerGrip Jaw bucket G Profile Trapezoidal bucket Demolition and Quarry Work Rock breakre Ripper hook Severe duty buckets Rail Work Flail Ballast broom Rail lifting beam Rock wheel Sleeper grab Vibratory hammer CORPORATION 50 G
18. d cap to gall to the shaft If excessive end play still exists the thrust washers should be replaced The end cap can be tightened using either of the methods outlined below 1 Torque Wrench With the lock ring removed torque the end cap according to the End Cap Torque Chart on Page 38 2 Hydraulic Pressure With the lock ring removed torque by holding the end cap stationary and hydraulically pressurizing Port P2 according to the End Cap Torque Chart on Page 38 This procedure will require the use of a pressure gauge mounted either in line or to one of the P2 ports on the PowerTilt For more information contact PowerTilt AG CORPORATION 14 Troubleshooting Guide Problem PowerTilt does not hold position PowerTilt swings in only one direction PowerTilt has spongy feel side to side Forward and backward movement of shaft in the housing shaft endplay Side to side bucket movement PowerTilt will not accept grease at fittings Possible Cause Excessive down pressure applied by the excavator can cause buildup of pressure in the PowerTilt which is opening the cross port relief valve Control valve leaking oil Faulty cross port relief valve Seals leaking oil Single directional control valve is being used Cross port relief valve damaged Both lines connected to either both P1 or P2 ports of PowerTilt Air in PowerTilt or hydraulic circuit Diameter of tubing hoses larger or longer tha
19. d lift capacity charts for your excavator The lift capacity of the excavator is reduced when fitted with a PowerTilt Pin Grab Coupler The weight of the PowerTilt Pin Grab Coupler must be subtracted from the lift capacity of your machine Operate the PowerTilt Pin Grab Coupler and attachment through its full range of motion to ensure there is no interference between the attachment and machine that could damage the machine PowerTilt Pin Grab Coupler or attachment Installation of the PowerTilt Pin Grab Coupler should be carried out by properly trained and qualified personnel only Failure to comply with this requirement can cause serious injury or death AVOID INJURY OR DEATH Read the attachment and machine Operator s Manual before installing and or operating this attachment Operator must have instructions before operating the attachment machine Untrained operators can cause injury or death Helac strongly recommends use of the hydraulic kit and control system designed to operate the PowerTilt Pin Grab Coupler to ensure the pin grab coupler operates as intended Connection of a PowerTilt Pin Grab Coupler to other manufacturer s coupler control systems may result in unintended release of an attachment which could cause serious injury or death Helac takes no responsibility for the performance of the pin grab coupler in these circumstances Always wear appropriate personal protective equipment when working with
20. disposal The maintenance of pin grab couplers is important for the proper operation of the equipment and should be carried out by competent persons only Inspections and maintenance are to be carried out on a scheduled basis to assist early identification of issues that may develop into more serious problems CORPORATION Attachment See instruction decal Excavator 4 After holding the push button for 2 seconds outstroke the bucket cylinder fully to crowd the WAR NING PowerTilt Continue to crowd pin grab coupler until the green locking clasp lifts fully This will AVOID INJURY OR DEATH enable the pin grab coupler to open fully See Always keep bystanders away when engaging figure 14 and releasing attachment Figure 12 1 Outstroke the bucket cylinder fully to crowd the PowerTilt See figure 13 2 When the PowerTilt is fully crowded inwards press the rocker switch on the control panel to START DISENGAGING position The mode is active for 6 seconds only Holding down the push button for 2 seconds within this time provides an output to activate the coupler lock valve While the output is available a The buzzer will change to intermittent b The Disengaging Mode LED light will turn red c The output is maintained until the rocker switch is pushed to the ENGAGE position If the push button is not pressed within 5 6 seconds after the rocker switch is turned to ST
21. dust or prolonged submersion in water may require more frequent grease applications 2 Make sure the grease reliefs are functioning properly Open or replace non functioning grease reliefs immediately Never replace the grease relief valves with grease fittings or plugs Do not operate the PowerTilt if the grease reliefs are not functioning 3 Inspect the PowerTilt for loose worn or damaged components and replace or repair immediately 4 Mounting pins should be greased upon installation and thereafter according to the equipment manufacturer s instructions Hydraulic fluid should be flushed through the PowerTilt Position the PowerTilt so that the hydraulic ports are facing downward Swing the bucket to the end of rotation and then run the Power Tilt circuit over the cross port relief valve setting for one minute to completely flush out all hydraulic fluid and any contaminants which may have settled in the PowerTilt Reverse the fluid direction and repeat so that both sides of the piston are purged The PowerTilt cannot be flushed unless the circuit pressure is higher than the relief valve setting Check shaft end play When the end play exceeds 0 38 mm the end cap must be tightened according to the End Cap Torque Specifications Chart on Page 38 The end cap should not be tightened more than 1 2 one half turn total over the life of the thrust washer Tightening the end cap beyond 1 2 turn can cause the en
22. e correct locations Replacement decals are available from Helac If machine is already equipped with warning decal 3 it is not necessary to install an additional warning decal Operating Instructions See page 54 for detailed instructions on engaging and removing attachments 2 Pinch Hazard WARNING MOVING PARTS CAN CAUSE SERIOUS INJURY Keep hands and fingers away from moving parts 47 Interference with Machine PowerTilt and Attachment Operate PowerTilt and attachment through its full range of motion to check interference between attachment and machine that could damage the machine coupler or attachment CORPORATION Application Recommendations The Helac PowerTilt with Pin Grab Coupler is designed for use with all makes of excavators combined with a wide range of attachments to suit a wide range of work applications Owners and operators please take note however that all possible applications operations and uses for the pin grab coupler cannot be predicted or anticipated It is therefore the responsibility of the owner and operators of the Power Tilt Pin Grab Coupler to ensure that the pin grab coupler is properly used and maintained according to the instructions provided with the pin grab coupler Failure to properly operate or maintain the pin grab coupler can cause death or serious injury or property damage Intended Use Pin grabber type couplers are primarily designed to withstand loading s
23. e for 6 seconds only Holding down the push button for 2 seconds within this time provides an output to activate the coupler lock valve While the output 1 available a The buzzer will change to intermittent b The Disengaging Mode LED light will turn red c The output is maintained until the rocker switch is pushed to the ENGAGE position If the push button is not pressed within 5 6 seconds after the rocker switch is turned to START DISENGAGING position the mode is no longer active and output is not available To reset push the rocker switch to ENGAGE MODE position Then start the sequence again See figure 18 Continue to crowd the PowerTilt until the green locking clasp lifts fully L ES CONTROL BOX Brang 08 T 3 Poses Ta La ar LL ol di LIT _ ee Figure 18 CORPORATION 99 To Release Attachment 6 Lower the attachment to the ground and release it from the pin grab coupler by rolling the PowerTilt backwards away from attachment pins See Fig 20 and Fig 21 Figure 21 7 You can now raise the PowerTilt Pin Grab Coupler up and clear of attachment The pin grab coupler is now ready to pick up other attachments as necessary CORPORATION Maintenance Instructions 56 e Lower the pin grab coupler to the ground e Stop the engine and remove the key WARNING AVOID INJURY OR DEATH
24. eneral Safety Guidelines Safety Instructions The following information provides safety notices and information relating to the safe installation and use of the PowerTilt Pin Grab Coupler Check the rules and regulations at your location The rules may include an employer s work safety requirements local regulations or on site best practices SAFETY ALERT SYMBOL A Be Prepared Get to know all operating and safety instructions This is the Safety Alert Symbol Wherever it appears in this manual or on safety signs on the attachments or machine you must be alert to potential for personal injury or accidents Always observe safety precautions and follow recommended procedures DANGER This signal word is used on safety messages and safety labels and indicates an imminently hazardous situation which if not avoided will result in death or serious injury WARNING This signal word is used on safety messages and safety labels and indicates a potentially hazardous situation which if not avoided could result in death or serious injury CAUTION This signal word is used on safety messages and safety labels and indicates a potentially hazardous situation which if not avoided could result in minor or moderate injury IMPORTANT This signal word identifies procedures which must be followed to avoid damage to machine TIPPING CAN CAUSE SERIOUS INJURY OR DEATH Do not exceed Rated Lift Capacity Read and understan
25. ent movement Install the grease fittings grease reliefs and covers 1 After the PowerTilt is assembled but before it is put back into service the exclusion seals and thrust washers must be packed with Lithium grease Locate the grease fittings 122 or ports on the end of the PowerTilt and using a grease gun pack the exclusion seal and thrust washer with grease until it exhausts from the grease reliefs 123 Cycle the PowerTilt slowly and re grease as necessary During testing it is recommended the PowerTilt be cycled 20 to 30 times to check for leaks and the proper degrees of rotation CORPORATION 44 Testing and Greasing Connect a 350 bar test gauge into the hydraulic line to Port P1 Pressurize until the shaft reaches the end of rotation and bottoms out externally e g the shaft bracket or torque foot contacts the housing or mounting bracket If the shaft is not completely 2 gt gt bottomed out hydraulic fluid will exhaust from Port P2 at a high velocity Remove and cap the hydraulic line to Port P2 Pressurize Port P1 to 175 bar Check for leakage at Port P2 and from around the main shaft and end cap seals Leaks indicate improperly installed parts Reconnect the hydraulic line to Port P2 and pressurize as in Step 1 above Check for leaks at Port P1 and around the main shaft and end cap seals as in Step 2 above The integral cross port relief valve vents hydrauli
26. hydraulic equipment CORPORATION 51 General Safety Guidelines e When installing the PowerTilt Pin Grab Coupler you must use only approved certified lifting equipment e Exercise extreme caution when carrying out maintenance procedures on the PowerTilt Pin Grab Coupler particularly when working with pressurized fluids such as hydraulic oil Before commencing any inspection or maintenance work e Always ensure the PowerTilt Pin Grab Coupler and attachment is supported in a stable position e Stop the engine and remove the key in order to prevent any unintentional or unexpected movement of PowerTilt Pin Grab Coupler or attachment Follow the service and maintenance instructions given in your machine owner s and service manual AVOID INJURY OR DEATH Before leaving the machine Lower the attachment to the ground Stop the engine amp remove the key Be aware of residual oil pressure in the hydraulic system when loosening or removing any hose or pipe connections Always depressurize the system before starting maintenance work on the pin grab coupler Never inspect for oil leaks with bare hands as pressurized oil can penetrate the skin and cause serious injury or death Use a piece of wood or cardboard to search for leaks AVOID INJURY OR DEATH Hydraulic fluid under pressure can penetrate skin and eyes causing serious injury or death Fluid leaks under pressure may not be visible Use a p
27. iece of cardboard or wood to find leaks Do not use your bare hand Wear safety goggles If fluid enters skin or eyes get immediate medical attention from a physician familiar with this injury Keep bystanders away from the swing area and operating area of the machine Never swing an attachment over the heads of bystanders Never use the PowerTilt Pin Grab Coupler or attachments to transport or lift persons AVOID INJURY OR DEATH e Always keep bystanders away from the work area and travel path The operator must always look in the direction of travel When working with hydraulic oil every precaution should be taken to prevent oil spillage on the equipment or ground Oil can seep into drains and waterways through run off systems or through ground soakage causing danger to people and the environment Oil spillage on equipment or ground can cause risk of slippage or fire which may lead to serious injury or death or property damage Use collection vessels to collect and retain any oil being released from the system Dispose of unwanted oil and oily rags materials in compliance with all applicable environmental laws and regulations Fluid such as engine oil hydraulic fluid coolants grease etc must be disposed of in an environmentally safe manner Some regulations require that certain spills and leaks on the ground must be cleaned in a specific manner See local state and federal regulations for the correct
28. important for reliable operation Refer to the Suggested Hose Routings Chart on Page 12 for suggested hose routings Hoses should be routed between the housing brackets and not through the openings in the brackets adjacent to the ports which are used for the manufacturing process Depending on the geometry of the installation it may be advisable to cover the hoses with protective sheathing Connect hydraulic hoses to the appropriate ports using fittings as shown on Pages 16 through 20 Be sure the hoses do not cross foul crush or chafe when operating the PowerTilt or machine Verify proper hose routing for all possible positions of the PowerTilt and all attachments which are to be used with the PowerTilt Repair any oil leaks immediately When installing a new tool circuit or hydraulic lines flush all the tool circuit lines with hydraulic oil prior to connecting the PowerTilt This will remove any contaminants from the circuit components which may have accumulated during manufacturing and or installation CORPORATION Hydraulic Requirements and Plumbing Suggested Hose Routings XN oe J E E AAZ i pope J 6 TA AN Maintenance 1 Grease the thrust washers at the two grease fittings with a high quality Lithium based grease Apply grease until clean grease flows from the grease reliefs Severe operating conditions such as abrasive
29. ing Secure product to work bench components 1 Housing with integral ring gear NOTICE 2 Shaft To avoid contamination 3 Piston sleeve assembly to machined parts 4 Endcap Make sure work area is clean 5 Lock ring 6 Standard pin on coupler 23 CORPORATION Product Inspection Make sure the PowerTilt is thoroughly cleaned Severe corrosion can make it difficult to remove prior to disassembly Continue to clean all the lock ring screws 120 or set screws 129 and machined parts in a wash tank and dry with unthread the end cap 04 If corrosion is evident compressed air Inspect the Power Tilt for soak the screws with penetrating oil for several corrosion prior to disassembly hours before disassembly Standard Pin on Coupler Removal 1 Begin with removing the port fittings and plugs 3 Secure the coupler using a hoist or 124 to drain the hydraulic oil into a suitable similar device container A CAUTION 2 When removing the standard pin on coupler To avoid or or torque foot 6 1 and idler foot 6 2 remove damage to product the shaft mounting screws 104 Secure the standard pin on coupler before removing the lock ring screws 4 Unthread and remove the lock ring screws 120 24 CORPORATION 25 Standard Pin on Coupler Removal 5 Tighten the two lock ring set screws 129 into 7 Using a hoist or similar lifting device lift off the the lock ring 05 Turn the set
30. ion Service and Repair Manual applies to all current product models unless noted otherwise For information on maintaining servicing or repairing earlier product models T T TTB and TBB series please contact your local dealer or Helac s Service Department at 1 800 797 8458 US and Canada or email at repairs helac com Helac PowerTilt a construction equipment attachment from Helac Corporation can increase the productivity profitability and versatility of backhoes or excavators by simply tilting the attachment instead of moving the entire machine PowerTilt is ideal for performing everyday tasks or completing jobs that haven t been tried Thousands of contractors worldwide have come to rely on Power Tilt since 1990 for cleaning ditches clearing land digging beveled trenches spreading rip rap and positioning brushcutters mowers and hydraulic hammers When used in combination with Helac PowerGrip a multi purpose bucket companies can achieve unmatched hand like manipulation and dexterity dramatically maximizing productivity CORPORATION Product Overview Basic Configurations PT Series Standard housing with welded on ears Lower end can be welded directly to a quick coupler or bucket Model Size Maximum 10 500 Machine Weight 4 775 Approximate PowerTilt 180 Weight 85 Total Tilt 180 Output Torque 25 000 2 820 Holding Torque 50 000 5 640 or couplers Actual rotat
31. ion may vary slightly PTA PTB Series The housing and shaft are designed for customization Ideal for integrating quick couplers at both the top and bottom PTA Series housing is designed for welding PTB Series housing incorporates drilled and tapped holes for bolt mounting 15 000 20 000 28 700 45 000 6 800 9 100 13 000 20 000 320 425 575 850 145 195 260 385 180 180 134 134 42 000 63 000 94 000 130 000 4 740 7 110 10 620 14 690 84 000 126 000 188 000 260 000 9 480 14 220 21 240 29 380 Custom Designs Depending on the order quantity custom engineered configurations can be provided 60 000 75 000 27 000 34 000 1 200 1 500 545 680 134 134 165 000 220 000 18 640 24 860 330 000 440 000 37 280 49 720 Weights may vary depending on model size Approximate weights for and PTB Series do not include mounting brackets CORPORATION Operation Technology PowerTilt uses Helac Corporation s innovative Helical spline teeth on the shaft engage matching sliding spline operating technology to convert teeth on the piston s inside diameter A second set linear piston motion into powerful shaft rotation of splines on the piston s outside diameter mesh Each actuator is composed of a housing and two with the gear in the housing moving parts the central shaft and piston Starting position The piston is completely bottomed out Bars
32. ituations that direct and transmit the working forces of the excavator and attachment through key load points on the PowerTilt Pin Grab Coupler see Fig 1 Failure by the owner or operator to use the Power Tilt quick coupler appropriately may result in premature wear of the quick coupler and may lead to failure ua z am gt Loading Surface gt Clamping Surface Figure 1 Operations that are compatible with pin grab couplers are excavating tasks such as digging using grabs grapples use suitable 2 pin adapter plates at all times and also crushing and breaking of rock debris When used in accordance with the manufacturer s instructions the use of rock breakers is recommended for use with the PowerTilt Pin Grab Coupler Never use the rock breaker as a leveraging tool see Fig 2 as this not only damages the rock breaker but will also lead to damage of the pin grab coupler In the event of sustained use of this type of equipment and where change of attachments is infrequent it may be best to temporarily remove the PowerTilt from the excavator This will save wear on the PowerTilt Pin Grab Coupler and in some instances improve 48 the performance of the attachment All attachments to be connected to the pin grab coupler MUST be connected using the two attachment pins see Fig 3 Never connect any attachment using only one of the attachment pins Typical __ examples where this 7 might oc
33. ks solenoid valve control for leaks cable damage cylinder signs of wear on housing leaks Electrical control panel function and general condition Springs condition presence Fit up of PowerTilt to machine wear in bushings Fit up of pin grab coupler to attachments correct attachment pin centers Check for cylinder condition cylinder leakage rod damage holding capacity pressure loss etc Check that pin grab coupler warning signs decals are installed and not damaged CORPORATION 57 Maintenance Instructions Daily checks Before starting work with the excavator the operator should carry out a thorough visual inspection of the PowerTilt Pin Grab Coupler 1 Check pin grab coupler Check all fixing points Remove any dirt and debris from the pin grab coupler especially around the internal mechanisms hydraulic cylinder linkage spring mechanism Check pin grab coupler fixed hooks 1 and Sliding hook 2 to ensure there is no build up of dirt structure for signs of damage especially the load bearing hooks and hydraulic cylinder 3 bolts nuts clips pins etc for signs of wear or damage Check all hydraulic hoses 7 and connections for evidence of oil leakage Remove all lifting accessories from the pin grab coupler prior to installing attachments The pin grab coupler should not be operated until all issues are repaired or
34. ly and reassembly of the PowerTilt The Making a Seal Tool suggested tools are outlined below The seal tool is merely a customized standard 1 Brush flat head screwdriver 2 Customized end cap tool Heat the flat end with a torch until it glows 3 Customized seal tools Secure the heated end of the screwdriver 4 Permanent marker ina vise and bend the heated end to a slight radius 5 Flashlight Round off all sharp edges of the heated 6 Hex driver tip to a polished finish The tool may be 7 Hex wre ehias modified slightly to your own personal preference 8 Large socket wrench 9 Plastic or rubber mallet 10 Plastic mandrel 11 Pry bar 12 Safety glasses 13 Threaded bolts 14 Torque wrench All fasteners are metric To avoid injury Be careful when handling the screwdriver when hal 15 CORPORATION 16 PT Assembly Drawing PORT P2 SEE PAGE 20 CORPORATION PT Assembly Drawing in 1111 iij ji Cii ji DETAIL A CORPORATION PTA Assembly Drawing 124 PORT P1 PORT P2 e 8 8 8 Drawing D 9 9 lt Co c a B SEE PAGE 20 lt lt 19 PT Piston Drawing a E 1 4 ak 235 1343 121 4 N M 235 25 JE 121 DETAIL B DETAIL B en DETAIL os TAN 232 233 Erw
35. m the cab 2 Gently place the bucket or attachment on the ground and move the Power Tilt away from the bucket or attachment to disengage completely Use the bucket cylinder if necessary to make disengagement easier Be careful not to damage the PowerTilt hook while removing the bucket or attachment Attachment Removal CORPORATION Hydraulic Requirements and Plumbing Typical PowerTilt Circuit 10 The Typical PowerTilt Circuit Chart and the Tool Circuit Requirements Table shown on this page illustrate the control circuit requirements for the PowerTilt The hydraulic pressures and flow requirements must be observed or damage to the actuator can occur The installer of the PowerTilt is responsible for selecting the control circuits that are compatible with the excavator and meet the tool circuit requirements Helac can be contacted for additional control circuits and methods for controlling the PowerTilt Most PowerTilts manufactured after 1997 incorporate an integral cross port relief valve mounted inside the shaft If this secondary relief does not exist then the circuit pressure must be lowered to match the cross port relief valve pressure NOTICE Each PowerTilt model is manufactured with two ports P1 and P2 This is done to assist in the hose routing Refer to the Suggested Hose Routings Diagram on Page 12 for the recommended routings The majority of PowerTilts delivered to customers in North A
36. merica incorporate SAE type ports Customers outside of North America typically have BSPP type ports NOTICE Tool Circuit Requirements for PT PTA PTB Series Model Sizes 6 7 in 32 62 Displ isplacement cm 525 1 060 Required gpm 8 1 5 1 5 3 Cil Flow liters minute 3 6 6 12 SAE 4 4 Port Connections BSPP 1 4 1 4 Hydraulic Hose and Tube Sizing in 3 8 3 8 Hose Tube Optional mm 10 10 1 4 1 4 in Whip Hose tmi 6 6 Hydraulic Pressures Cross Port Relief Valve Pressure Circuit Pressure Maximum Circuit Back Pressure 8 89 1 460 3 5 12 20 6 1 4 3 8 10 1 4 6 3 200 3 300 psi 220 230 bar 3 650 3 750 psi 250 260 bar 580 psi 40 bar 9 118 1 935 6 7 24 28 6 1 4 1 2 12 3 8 10 11 215 3 515 8 11 32 44 6 1 4 5 8 16 3 8 10 Most PowerTilt models are manufactured with four ports two ports P1 and two ports P2 The majority of all PowerTilts delivered to North American customers incorporate SAE port connections PowerTilts delivered to customers outside of North America incorporate BSPP port connections PowerTilts are equipped with factory installed integral cross port relief valves CORPORATION 11 Hydraulic Requirements and Plumbing Hose and tube size recommendations can be found in the Tool Circuit Requirements Chart shown below The position of the hoses is
37. n front of the front attachment pin then the pin grab coupler must not be operated The pin grab coupler should be inspected for signs of damage Contact your supplier or Helac Corporation immediately should you require assistance N WARNING FALLING ATTACHMENT CAN CAUSE SERIOUS INJURY OR DEATH Failure to fully engage the locking clasp and visually check shake and apply down pressure to the attachment before operating can allow the attachment to come off A Sliding hook B Locking Clasp 7 If the locking clasp is fully engaged and locked to the attachment the pin grab coupler can be used to operate the attachment CORPORATION 1 1 54 To Release Attachment See instruction decal on Excavator NWARNING AVOID INJURY OR DEATH Always keep bystanders away when engaging and releasing attachment Ensure that all bystanders are standing clear of PowerTilt and machine swing radius 2 With PowerTilt and attachment at ground level crowd PowerTilt fully as in Fig 17 Lock in position Figure 17 To enable the pin grab coupler control system to operate Crowd the pin grab coupler fully inwards so that pressure is built up in the quick coupler hydraulic control system from the outstroke of the machine bucket digging crowd cylinder When the PowerTilt is fully crowded inwards press the rocker switch on the control panel to START DISENGAGING position The mode is activ
38. n recommended Worn or missing thrust washers Some movement is normal due to clearance required between internal spline teeth Grease relief valve is not functioning or it has been replaced with a grease fitting or plug Solution This is normal The integral cross port relief valve is designed to protect the PowerTilt from excessive internal pressures that can damage the unit Test repair or replace as needed Remove the integral cross port relief valve and visually inspect for damage or debris Check pressure setting of the cross port relief valve which can be found in the Tool Circuit Requirements Chart shown on Page 11 Test and replace seals as needed Replace with bi directional control valve Inspect test and replace as needed Refer to Page 16 for proper port connection location Bleed air from circuit and check for cause Install new tubing hoses with recommended diameters Install pilot operated check valve in lines as close as possible to PowerTilt Tighten end cap according to the End Cap Torque Chart on Page 38 Replace or install thrust washers if necessary Normal movement is 1 to 1 1 2 If greater check shaft end play excessive end play can contribute to side to side movement If shaft end play is not within acceptable limits consult PowerTilt AG Clean or replace grease relief valves CORPORATION Tools Required Several basic tools are required for the 1 disassemb
39. nal injury and machinery damage Do not use PowerTilt or quick coupler for lifting or traning materials PowerTilt should anly be used fo perform tasks for which it was designed 4 NOTICE To avoid damage to seals or other internal components Do not weld directly onto PowerTilt 5 when is fully assembled Modifications may void product warranty PowerTilt should only be used to perform tasks for which it was designed Abusing the product and or using it for purposes for which it was not intended can expose the operator and others to hazards as well as result in damage to the PowerTilt carrier and or other attachments Modification to the PowerTilt is done at the owner s risk and may void PowerTilt AG s warranty PowerTilt is designed for a maximum bucket width as noted below Applying the full force of the excavator or backhoe to the corner of a wide bucket e g corner digging with a wide bucket may cause premature wear and or reduced equipment life It is also recommended that the bucket widths are not exceeded PowerTilt Model Maximum Bucket Width 1 200 mm 1 400 mm 1 500 mm 1 800 mm 2 100 mm 4 ma 1 700 mm x A 2 400 mm A decrease in breakout force may be experienced due to the increased tip radius and the added weight of the PowerTilt to the stick It is the owner s responsibility to be sure all safety equipment is in place and operating properly at all time
40. ng the machine Lower the attachment to the ground B Stop the engine and remove the key 3 Remove the hose from cylinder port V2 and plug the removed hose to prevent loss of oil There may be residual pressure in the hydraulic hose 4 Clean away oil residue from cylinder port 5 Start machine and repeat the above procedure 6 Observe the cylinder V2 port for further or continued oil flow seep T f oil flow is evident then there is an indication that the piston seals need replacement 8 Replace the piston seals and repeat the test procedure once more 9 If there is continued drift then the cylinder check valve should be replaced and again a re test should be carried out to confirm resolution of the problem and the cylinder functions correctly 10 If cylinder drift continues after the pistons seals and check valve have been replaced immediately contact your dealer for additional service 98 Storage Short term and Long term Thoroughly clean the attachment Lubricate the attachment e Inspect all welds on the attachment for wear and damage e Replace worn or damaged parts e Check for damaged or missing decals Replace if necessary Place the attachment in a dry protected shelter Place the attachment flat on the ground CORPORATION 59 Parts List TEM DESCRIPTION Q ITEM 6 SLUDINGHOOK 1 8 COVERPLATEBOLT 4 9 LARGEROLLPIN 2 RETAINING B
41. o that it will fit into place CORPORATION Removing Parts from Pin Grab Coupler 14 Remove the locking clasp main pivot pin 15 Remove the locking clasp from the pin grab coupler 16 Use the punch tool and hammer to remove the sliding hook retaining roll pins 17 Using flat head screw driver reomve the rubber bungs 61 18 Remove the cylinder by rotating it fully upright 1 before lifting out 2 19 To fit parts repeat steps in reverse CORPORATION 62 Warranty Information Helac Corporation warrants its construction attachments to be free from defective material and factory workmanship This warranty is guaranteed for one year or 1 000 service hours after date of shipment whichever occurs first for approved applications defined as medium duty service on the excavator for which the the product was originally designed and with cross port or work port relief valves installed according to Helac Corporation s recommendations This warranty covers repair or replacement of product or parts which under normal use and service disclose defective material and or factory workmanship Products under warranty shall be returned to the nearest Helac factory prepaid by the purchaser Cash payments or credits are not issued for defective products or for factory workmanship Helac Corporation s product inspections and warranty decisions are irreversible This warranty shall be voided as to any prod
42. p 04 and shaft 02 Note that several product models may not have wear guides on the 1 0 and or O D of the piston sleeve assembly 03 2 Remove the grease fittings 122 grease relief covers 107 and grease reliefs 123 7752 gt W l su 12094270 Replace all seals bearings and thrust washers 344 as required CORPORATION 30 Component and Timing Mark Inspection Clean all machined components thoroughly in a wash tank and dry with compressed air Carefully inspect all critical areas Seal grooves wear guide grooves thrust surfaces shaft surfaces housing bore and gear teeth for any wear corrosion and any other signs of damage Locate the timing marks on the shaft 02 piston sleeve assembly 03 and housing ring gear 1 4 Re mark with a permanent marker or paint stick if needed CORPORATION Dry Assembly In some cases for repair personnel not familiar A CAUTION with the assembly process it may be beneficial to Spraying fluids perform a dry assembly This will provide a better Contents under pressure Wear approved eye protection idea of how to properly align the gear teeth Use caution when removing port plugs and fittings A dry assembly is typically done without seals yet requires the wear guides and thrust washers to be installed CAUTION es To avoid injury or damage to product Secure prod
43. parts and or service issues can be resolved It may be necessary to remove paint to expose the serial number Nr i A 3ELY AA 93522 i 60 825 1801 cnm ih d i LEE z CORPORATION Installation and Mounting Each PowerTilt is engineered for a specific backhoe or excavator and is designed to be pin mounted directly to the machine When using the Standard Pin on Coupler two sets of pins are required one set to mount the PowerTilt to the dipper stick and a second set to mount the bucket or attachment to the PowerTilt When using Universal or Hydraulic Quick Couplers contact the respective coupler manufacturer for instructions and maintenance All PowerTilt models should be mounted to the carrier according to the instructions outlined below 1 Position the PowerTilt close to the carrier boom to ensure easy use of the lifting reach and range of the carrier boom 2 Lower the dipper to approximately 2 3 inches 50 75 mm above the PowerTilt Roll out the bucket cylinder to lower the link bars to the PowerTilt 3 Align the PowerTilt and link bar holes and install the link pin 4 Slowly lift the PowerTilt to a safe height with the bucket and boom cylinders 5 Curl the bucket cylinder until the PowerTilt and dipper holes align and install the bucket pivot pin Rotate the pins as necessary and install the required retainers Do not attach a bucket or attachment to the PowerTilt
44. replacement parts are installed Weekly checks 1 Clean quick coupler and visually inspect the structure for signs of excessive wear Visually check the hydraulic cylinder for leaks at hydraulic lines and rod seal Replace if necessary Internal piston seals can wear over time and are more difficult to check for performance degradation One method of checking these seals is as follows Cylinder Test Approx hnm This test is to be carried out in a secure controlled area Connect an attachment to the PowerTilt Pin Grab Coupler and open or curl the PowerTilt back to load the hydraulic cylinder with the weight of the attachment Lower the attachment to within 300mm 12 in from ground level e Stop the engine and leave machine at rest for a nominal period of 10 minutes Observe any change to the position of the pin grab coupler sliding hook If the position is to drift inwards hydraulic cylinder is in stroking then it is an indication of an internal piston seal oil leak in the hydraulic cylinder or a potential problem with the cylinder check valve leaking CORPORATION Maintenance Instructions Should drifting occur 1 Extend the bucket cylinder fully to crowd the PowerTilt Pin Grab Coupler to engage the quick coupler attachment pins 2 Lower attachment and PowerTilt on to the ground and stop the engine A WARNING AVOID INJURY OR DEATH Before leavi
45. s If safety decals fade are damaged or become unreadable from a distance of 10 feet they should be replaced immediately CORPORATION General Safety Guidelines by Helac Corporation to the cab of the carrier machine Helac Corporation does not assume any responsibility beyond the design and performance of its construction equipment attachment products To avoid personal injury The customer is solely responsible for engineering and machinery damage of mating structures fasteners and other Make sore attachment dose not cora in associated components related to the installation with boom boom cylinder in uy cured posion 8 of the product and its ultimate application 6 PowerTilt should be used in conjunction with attachments that do not adversely affect the stability of the machine for PTA PIB IMPROPER SELECTION INSTALLTION OF USEOF WELAC OR POWERTILT AG PRODUCTS OR SYSTEMS MAY RESULT IN FAILURE AND CAUSE DEATH PERSONAL INJURY OR PROPERTY DAMAGE importat to Inorougiy 30907 pil sepocta of Your Application aeu review curet produ informelion acd guidelines Product Identification PowerTilt Identification A unique serial number is located on each PowerTilt This serial number is stamped on the housing and is also located on an Identification ID Tag The serial number is located near the hydraulic ports and may be required before
46. ston sleeve timing marks are best seen when the splined end of the piston sleeve is flush with the ring gear inside the housing 27 you are unable to locate the factory made timing marks use a paint stick or a permanent marker to mark the orientation between the housing ring gear shaft and the piston sleeve assembly Remove the shaft 02 by rotating and sliding the shaft gear teeth out of engagement with the inside diameter gear teeth of the piston sleeve assembly 03 NOTICE To avoid damage to gear teeth and housing bore Carefully support the weight of the shaft as it clears the housing CORPORATION Piston Sleeve Assembly Removal 1 Before removing the piston sleeve assembly 03 double check the timing marks of the housing ring gear 1 4 in relation to the piston sleeve assembly NOTICE To avoid damage to gear teeth and housing bore Carefully support the weight of the piston as it clears the housing 2 Using a rubber or plastic hammer and mandrel gently tap the piston sleeve assembly 03 to disengage the O D gear teeth from the housing ring gear teeth inside the housing bore 28 CORPORATION 29 Seal and Bearing Removal NOTICE To avoid damage to machined parts Carefully remove seals using fomoval tools with rounded edges Use the seal tools to remove all seals wear guides and thrust washers 344 from the piston sleeve assembly 03 end ca
47. tors are familiar with and fully understand all aspects of the information contained in this manual All operators must be properly trained in the use of the specific model of PowerTilt Pin Grab Coupler intending to be used It is the responsibility of the machine owner to ensure only properly trained operators use the PowerTilt Pin Grab Coupler Failure to operate and maintain equipment correctly can result in serious injury or death AVOID INJURY OR DEATH Instructions are necessary before operating or servicing attachment machine Read and understand the Operation amp Maintenance Manual and signs decals on attachment machine Follow warnings and instructions in the manuals when making repairs adjustments or servicing Check for correct function after adjustments repairs or service Failure to follow instructions can cause injury or death CORPORATION Product Identification A unique serial number is located on each PowerTilt Pin Grab Coupler This serial number is stamped on the housing and is also located on an Identification ID Tag The serial number is located near the hydraulic ports Locking clasp Hydraulic Cylinder 46 CORPORATION Decal Guidelines Instruction and warning decals are supplied with this PowerTilt Pin Grab Coupler They must be fitted onto the inside of the cab window where they can easily be seen Replace any damaged instruction and warning decals and be sure they are in th
48. uct to work bench NOTICE To avoid contamination to machined parts Make sure work area clean Make sure work area is clean Seal and Bearing Installation Before installing seals and bearings coat the seals and machined surfaces with a high quality hydraulic oil Before installing the end cap seals and bearings in the below sequence lay the end cap 04 on the table with the inside facing up Note orientation of all seals on assembly drawings before installing 1 First install the O D exclusion seal 237 E s E i I 17 8 Replace all seals bearings and thrust washers 344 as required The exact location and number of seals or bearings used varies by product model 31 l CORPORATION Seal and Bearing Installation 2 Lightly coat both sides of the thrust washer 344 with lithium grease and install on the thrust face of the end cap 04 5 Now install the O ring 230 and backup ring 231 into the 1 0 seal groove on the end cap 04 Next install the O D pressure seal 238 with the lip facing inboard toward the hydraulic pressure 4 Then install the wear guides 340 341 in the 32 wide groove of the end cap 04 CORPORATION Seal and Bearing Installation 33 Before installing the cup seals on some PowerTilt models remove the energizer O ring from O D and 1 0 seal and Install them nearest to
49. ucts which have been repaired worked upon or altered by persons not authorized by Helac Corporation or which have been subject to misuse misapplication negligence accident overload field alteration severe use or service applications beyond what the Helac product was designed to perform In no event shall Helac Corporation be liable for any incidential or consquential damages or claims Helac Corporation reserves the right to make changes in the design or construction of any of its products at any time without incurring any obligations to make changes or alterations to products previously sold Helac Corporation reserves the right to alter this warranty and or its terms at any time This warranty 1 in lieu of all other and or prior warranties No other company or person is authorized to represent or assume for Helac Corporation any liability in connection with the sale of Helac Corporation products other than what is set forth herein Optional PowerTilt Pin Grab Coupler If ordering PowerTilt Pin Grab Coupler Helac strongly recommends you install the control system quoted Failure to use the control system may result in unintended operation of the pin grab coupler which could cause serious injury or death and will invalidate any liability by Helac CORPORATION 63 CORPORATION PowerTilt USA 4906161 2014 Helac Corporation All rights reserved HELAC HELAC CORPORATION 225 BATTERSBY AVENUE ENUMCLAW WA 98
50. until the hydraulic tool circuit for the PowerTilt is installed and operating correctly Power Tilt Installation CORPORATION Installation and Mounting To mount a bucket or an attachment to the PowerTilt with the Standard Pin on Coupler follow the steps listed below Install the hook pin in the bucket or attachment and position the bucket or attachment so the pin can be easily reached with the PowerTilt hook as shown in the below image 2 Hook the bucket pin being sure the hook is properly aligned to avoid damaging the hook 3 Lift the bucket off the ground then extend the bucket cylinder to pivot the PowerTilt until the second hole of the bucket or attachment aligns with the PowerTilt coupler pin hole Install the second pin and retain properly 5 After mounting the bucket for the first time the jacking bolt s on the back side of the hook require adjustment Loosen the jam nut and thread the bolt until it touches the pin then tighten the jam nut to lock the bolt in place Proper adjustment will make it easier to align the mounting pins when changing buckets Attachment Mounting To remove a bucket or an attachment from the PowerTilt with the Standard Pin on Coupler follow the steps listed below 1 Position the bucket or attachment so it is lightly supported by the ground and ina position so it will not move or fall when a pin is removed Remove the coupler pin the pin furthest fro
51. val NE 24 End Cap Lock Ring and Cross Port Relief Valve Removal nean anana aee eaaa 26 MUTTER TERME 27 Piston Sleeve Assembly Removal 28 Seal and Bearing Removal MITTERE 29 Component and Timing Mark Inspection scccesenccerenscdccraccscdenseverssteetlucucseossidavbnerddeoccuedelsnasesneuteenstocesonbeudentoeweseteveseauctes 30 Assembly EEE E E 31 Seal and Bearing Installation a 31 Piston 35 Sem WS 21 VOIGT teaser ee prom 36 End Cap and Lock Ring Ihstallah RON 37 Cross Port Relief Valve Installation a a a Suse oe eee eee 38 Standard Pin on Coupler Installation T m 39 Post Assembly Testing and 43 Optional PowerTilt Pin Grab Coupler Operation and Maintenance 45 Warranty Waranty 11110 CANET apaa E ENG a 63 CORPORATION Product Overview Content in this Instruct
Download Pdf Manuals
Related Search