Parker POWERGRIP PG Series, Service And Repair Manual

Page 1: ...POWERGRIP Instruction Service and Repair Manual PG and PGA Series HA PGIM 07 22 CONSTRUCTION EQUIPMENT ATTACHMENTS...

Page 2: ...ling and Removing Hydraulic Lines 9 Maintenance 11 Troubleshooting Guide 12 Tools Tools Required 13 Drawings Assembly Drawings 14 Exploded View Bucket and Actuator 15 Exploded View Valve Manifold 16 P...

Page 3: ...et for everyday tasks Ideal for a broad range of applications PowerGrip can be used during every step of the construction process Since 2001 contractors have come to rely on PowerGrip for demolition l...

Page 4: ...nes on the piston s outside diameter mesh with the gear in the housing Starting position The piston is completely bottomed out Bars indicate starting positions of piston and shaft Arrows indicate dire...

Page 5: ...However the PowerGrip Bucket has the added ability to grip hold and lift materials in a pick and place capability This attachment is not designed for long term holding of materials Refer to the carri...

Page 6: ...omer is solely responsble for engineering of mating structures fasteners and other associated components related to the installation of the product and its ultimate application A unique serial number...

Page 7: ...cavator and is designed to be pin mounted directly to the machine When using All PowerGrip models should be mounted to the carrier according to the instructions outlined below To remove the PowerGrip...

Page 8: ...rements and Plumbing Hydraulic Requirements The Typical PowerGrip Circuit Chart and the Tool Circuit Requirements Table shown on this page illustrate the control circuit requirements for the PowerGrip...

Page 9: ...e routings Connect hydraulic hoses to the appropriate ports Be sure the hoses do not cross foul crush or chafe when operating the PowerGrip or machine Verify proper hose routing for all possible posit...

Page 10: ...10 Hydraulic Requirements and Plumbing Suggested Hose Routings INSTALLATION AND MOUNTING...

Page 11: ...ke sure the grease reliefs are functioning properly Open or replace non functioning grease reliefs immediately NOTICE Never replace the grease relief valves with grease fittings or plugs NOTICE Do not...

Page 12: ...as necessary Jaw moves only in one direction Single directional control valve is being used Load control valve manifold is obstructed Hydraulic hose is internally damaged Replace with bi directional c...

Page 13: ...nch 13 Plastic drift 14 Tape measure 15 One 8 32 x 1 00 or longer machine screw Tools Required Making a Seal Tool The seal tool is merely a customized standard flat head screwdriver 1 Heat the flat en...

Page 14: ...14 Assembly Drawing DRAWINGS...

Page 15: ...15 Exploded View Bucket and Actuator DRAWINGS...

Page 16: ...16 Exploded View Valve Manifold Assembly DRAWINGS...

Page 17: ...e 400 650 PSI 2 128 Port Plug Socket Hex Head SAE 6 2 Part Number Item Description Qty 65350 Relief Valve Assembly includes items 414 415 416 420 421 949046 414 Low pressure cartridge includes seals 4...

Page 18: ...lief Valve 50500 1 8 27 NPT Alemite 400 650 PSI 2 128 Port Plug Socket Hex Head SAE 6 2 Part Number Item Description Qty 65350 Relief Valve Assembly includes items 414 415 416 420 421 949046 414 Low p...

Page 19: ...SAE 6 2 Part Number Item Description Qty 69198 01 Relief Valve Assembly includes items 414 415 416 420 421 949063 414 Low pressure cartridge includes seals 417 1 949064 415 High pressure cartridge in...

Page 20: ...ughly cleaned prior to disassembly Inspect the PowerGrip for corrosion prior to disassembly Severe corrosion can make it difficult to remove the fitting plugs 101 and lock nuts If corrosion is evident...

Page 21: ...lease hydraulic pressure Secure jaw to bucket shell by tack welding tabs at three locations as shown on both sides of the jaw 2 Mark the port access holes with P1 and P2 for future reference during di...

Page 22: ...sing pry bars remove P1 drive hub 04 first then P2 drive hub 04 5 Measure distance from piston sleeve 03 to edge of housing 01 bore at P2 Side Record measurement Disassembly NOTICE Hydraulic oil will...

Page 23: ...a seal tool 9 Remove the bearings 341 343 from both drive hubs 04 7 Using a plastic drift and plastic mallet carefully drive the piston sleeve 03 out the P2 port side of the actuator housing 01 02 230...

Page 24: ...using a seal tool or a utility knife 13 Remove the exclusion seal 236 from the drive hubs 04 using a seal tool or a utility knife 14 Remove the drive hub ID O Ring 230 and drive hub back up ring 231...

Page 25: ...th for any signs of extreme wear or chipping Inspect the housing for signs of damage or cracking 3 Shaft Check the shaft surface for scratches from the piston seal or other damages Small or minor scra...

Page 26: ...ive hub ID o ring 230 and drive hub ID back up ring 231 into each drive hub 04 04 04 04 238 344 236 4 Install the bearings 341 343 onto each drive hub 04 NOTICE Lightly oil all seals seal grooves and...

Page 27: ...the piston OD bearing 343 onto the piston sleeve 03 11 Some models have seals on the ID and or OD of the lock nuts 05 If they exist install the seals and backup rings onto lock nuts 04 237 9 Install t...

Page 28: ...ded while maintaining shaft 02 position 3 Coat the drive hub ID splines with nickel anti seize Loctite 77169 or equivalent Install drive hubs 04 If OD splines do not align with jaw splines remove hub...

Page 29: ...ive fitting plugs 101 into the lock nut 05 on the P1 side 8 Using a pin spanner wrench or two metal dowels and a pry bar tighten the P2 lock nut 5 to 120 ft lbs 162 Nm Without over tightening adjust t...

Page 30: ...nts See valve manifold drawing on page 18 for locations of ports and valve Valve Design This valve has three separate cartridges that work together to provide 1 Load holding with very low leakage to t...

Page 31: ...rt V2 2 Ports A1 and V1 are always common to each other 3 With Port A1 blocked hydraulic oil should require 1 000 to 1 500 psi 69 to 103 bar to flow from port V1 to port A2 V2 4 With Port A1 blocked a...

Page 32: ...Indemnity by Buyer Buyer shall comply with all instructions guides and specifications provided by Seller with the Quote or the Products Unauthorized Uses If Buyer uses or resells the Products in any w...

Page 33: ...de from 7 a m to 4 p m PST on weekdays excluding holidays or e mail us at cylsaleshelac support parker com Our fully equipped repair department ensures factory specifications and customer expectations...

Page 34: ...R HANNIFIN CORPORATION 225 BATTERSBY AVENUE ENUMCLAW WA 98022 USA PHONE 360 825 1601 FAX 360 825 1603 www parker com helac PowerGrip U S patent 6370801 2022 Parker Hannifin Corporation All rights rese...