Gage Bilt GB754 Handmatig - Pagina 10

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HANDLE

To inspect air cylinder bore, remove base cover (744124). Any further disassembly will require removal of the head cylinder (745366) first.

For complete disassembly, start by removing base cover (744124). Next, holding tool upright, remove four button-head cap screws (402479).

Lift head cylinder ass'y (745366) from handle (744129) and set aside o'ring (S832) and gasket (745124). Empty all hydraulic fluid into an

approved container and dispose of hydraulic fluid in accordance with all environmental laws and regulations applicable in your area. Place

piston rod wrench (745155) down into top of power cylinder (745331), into slot of piston rod ass'y (745344). While holding this wrench,

remove flexlock nut (400559) using a 7/16" socket wrench. Still holding piston rod wrench (745155) remove air piston (744121) using packing

plug wrench (704150), by turning counterclockwise. When air piston ass'y (744121) is completely free from piston rod ass'y (745344), tap or

push on the piston rod wrench (745155) to eject air piston ass'y (744121) from bottom of handle (744129). After removal of air piston (744121),

slide piston rod ass'y (745344) back up to the end of its travel. Using packing plug wrench (704150) remove packing plug (744118). With

packing plug (744118) removed, power cylinder (745331) can be removed by pushing on power cylinder tool (704151) when inserted into top

of power cylinder (745331).

To reassemble the handle, reverse the above procedure, being certain that all o'rings are properly lubricated before installation. Torque

packing plug (744118) to 45 foot lbs. Attach the seal guide (704152) to the piston rod ass'y (745344) and tap the piston rod ass'y (745344)

through the packing plug (744118). Attach air piston ass'y (744121) and flexlock nut (400559) torque flexlock nut (400559) to 40 inch lbs. With

the piston rod ass'y (745344) in the down position, fill oil passage on top of handle (744129) with automatic transmission fluid, Dexron III or

equivalent, when looking at top of handle (744129) the oil passage is the hole that has a counterbore for o'ring (S832). Replace gasket

(745124) and o'ring (S832), just prior to replacing head cylinder ass'y (745366). (See Filling & Bleeding instructions.)

AIR VALVE

WARNING:

DISCONNECT TOOL FROM ITS AIR SOURCE BEFORE DISASSEMBLY.

To disassemble, first disconnect tool from its air source. Remove pin (744149) and muffler (744143). Insert valve extractor (S1178) into end

of valve plug (744142) and pull it out. Using the same procedure, pull out valve spool ass'y (743142). NOTE: It should never be necessary

to remove valve sleeve (743144) unless the ports in the valve sleeve (743144) are plugged from contaminated air. If ports are plugged, use

needle nose pliers to grasp end of spring (744144), turning clockwise and pulling to dislodge from groove in valve chamber. NOTE: Valve

spring tool (744151) will facilitate the proper installation of the spring (744144), valve sleeve (743144) can be pulled out using valve sleeve

removal tool (744152).

S832 - O'RING

745124 - GASKET

704130

AIR ACTUATOR ASS'Y

744129 - HANDLE

S908 - BACK-UP RING

PISTON ROD ASSEMBLY

(INCLUDES S908 AND A-201)

402479 - BUTTON

HEAD CAP SCREW (4)

403805 - O'RING

745331 - POWER

CYLINDER

403805 - O'RING

S892 - O'RING

A-201 - O'RING

745344

A-249 - SWIVEL

400784 - O'RING

743144 - VALVE

SLEEVE

744144 - SPRING

400779 - O'RING

743142 - VALVE SPOOL

ASSEMBLY

400785 - O'RING

744142 - VALVE PLUG

400785 - O'RING

744143 - MUFFLER

744149 - PIN

A-287 - O'RING

S115 - BACK-UP RING

A-271 - O'RING

744118 - PACKING PLUG

S115 - BACK-UP RING

A-287 - O'RING

S909 - BACK-UP RING

401462 - QUAD RING

S909 - BACK-UP RING

744121 - AIR PISTON

ASSEMBLY

400559 - FLEXLOCK NUT

S12 - O'RING

744124 - BASE COVER

Rev. 1/14