Gage Bilt GB730 Manuale d'uso - Pagina 10

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HANDLE

To inspect air cylinder bore, remove base cover (704125). Any further disassembly will require removal of the head cylinder ass'y

(730398) first. For complete disassembly, start by removing base cover (704125). Next, holding tool upright, remove four button-head

cap screws (A-928). Lift head cylinder (730398) from handle (704132) and set aside o'ring (S832) and gasket (745124). Empty all

hydraulic fluid into a container. Place piston rod wrench (730151) down into top of power cylinder (730237), into slot of piston rod

assy. (730233). While holding this wrench, remove flexlock nut (400559) using a 7/16" socket wrench. Still holding piston rod

wrench, remove air piston ass'y (704121) using packing plug wrench (704150), by turning counterclockwise. When air piston ass'y

(704121) is completely free from piston rod ass'y (703233), tap or push on the piston rod wrench to eject air piston ass'y (704121)

from bottom of handle. After removal of air piston ass'y (704121), slide piston rod ass'y (730233) back up to the end of its travel.

Using packing plug wrench (704150) remove packing plug (704118). With packing plug removed (704118), power cylinder (730237)

can be removed by pushing on power cylinder tool (704151) when inserted into top of power cylinder (730237).

To reassemble the handle (704132), reverse the above procedure, being certain that all o'rings are properly lubricated before

installation. Torque packing plug (704118) to 45 foot lbs. Attach the seal guide (704152) to the piston rod ass'y (730233) and tap the

piston rod ass'y (730233) through the packing plug (704118). Attach air piston ass'y (704121) and flexlock nut (400559) torque

flexlock nut to 40 inch lbs. Attach air piston ass'y (704121) to piston rod ass'y (730233). With the piston rod ass'y in the down

position, fill oil passage on top of handle with automatic transmission fluid, Dexron III or equivalent, when looking at top of handle

the oil passage is the hole that has a counterbore for S832 o'ring. Replace gasket (745124) and o'ring (S832), just prior to replacing

head cylinder (730398). (See Filling & Bleeding instructions).

AIR VALVE

WARNING:

DISCONNECT TOOL FROM ITS AIR SOURCE BEFORE DISASSEMBLY.

To disassemble, first disconnect tool from its air source.

into end of valve plug (704145) and pull it out. Using the same procedure, pull out valve spool ass'y (703142). NOTE: It should never

be necessary to remove valve sleeve (703139) unless the ports in the valve sleeve are plugged from contaminated air. If ports are

plugged, use needle nose pliers to grasp end of spring (704141), turning clockwise and pulling to dislodge from groove in casting.

NOTE: valve spring tool (704162) will facilitate the proper installation of the spring (704141), valve sleeve (703139) can be pulled out

using valve sleeve removal tool (704163).

S832 - O'RING

745124 - GASKET

704130 - TRIGGER

704132 - HANDLE

403773 - O'RING

730237 - POWER CYLINDER

403805 - O'RING (2)

401102 - BACK-UP RING

S945 - O' RING

401102 - BACK-UP RING

730233

PISTON ROD ASSEMBLY

(INCLUDES 401102 & S945

Remove pin (704244) and muffler (704146). Insert valve extractor (S1178)

A-928 - BUTTON

HEAD CAP SCREW (4)

A-249 - SWIVEL

400781 - O'RING

703139 - VALVE SLEEVE

704141 - SPRING

400778 - O'RING

703142 - VALVE SPOOL

ASSEMBLY

400783 - O'RING

704145 - VALVE PLUG

400783 - O'RING

704146 - MUFFLER

704244 - PIN

A-287 - O'RING

S115 - BACK-UP RING

405757 - O'RING

704118 - PACKING PLUG

S115 - BACK-UP RING

A-287 - O'RING

S731 - BACK-UP RING

S730 - QUAD RING

S731 - BACK-UP RING

704121 - AIR PISTON

ASSEMBLY

400559 - FLEXLOCK NUT

S725 - O'RING

704125 - BASE COVER

Rev. 9/11