Gage Bilt GB743 Installationshandbuch - Seite 10
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HANDLE
To inspect air cylinder bore, remove o'ring (S12) and base cover (744124). Any further disassembly will require removal of the head
cylinder assy (743108) first. For complete disassembly, start by removing o'ring (S12) and base cover (744124). Next, holding tool
upright, remove four button-head cap screws (402479). Lift head cylinder assy (743108) from handle assy (744129) and set aside
o'ring (S832) and gasket (704129). Empty all hydraulic oil into an approved container and dispose of in accordance with all
environmental regulations applicable in your area. Place piston rod wrench (704149) down into top of power cylinder (743131), into
the hex of piston rod assy (744136). While holding this wrench, remove flexlock nut (400559) using a 7/16" socket wrench. Still
holding piston rod wrench (704149), remove air piston assy (744121) using packing plug wrench (704150), by turning counterclockwise.
When air piston assy (744121) is completely free from piston rod assy (744136), tap or push on the piston rod wrench (704149), to
eject air piston assy (744121) from bottom of handle assy (744129). After removal of air piston assy (744121), slide piston rod assy
(744136) back up to the end of its travel. Using packing plug wrench (704150) remove packing plug (744118). With packing plug
removed, power cylinder (743131) can be removed by pushing on power cylinder tool (704151) when inserted into top of power
cylinder (743131).
To reassemble the handle assy (744129), 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 assy (744136) and tap the
piston rod assy (744136) through the packing plug (744118). Attach air piston assy (744121) and flexlock nut (400559), torque
flexlock nut (400559) to 40 inch lbs. With the piston rod assy (744136) in the down position, fill oil passage on top of handle assy
(744129) with automatic transmission oil, Dexron III or equivalent, when looking at top of handle assy (744129) the oil passage is the
hole that has a counterbore for o'ring (S832). Replace gasket (704129) and o'ring (S832) just prior to replacing head cylinder assy
(743108). (See Filling & Bleeding instructions.)
AIR VALVE
WARNING:
To disassemble, first disconnect tool from its air source.
into end of valve plug (744142) and pull it out. Using the same procedure, pull out valve spool assy (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
casting. NOTE: Valve spring (744151) tool 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
704129 - GASKET
704130
ACTUATOR
ASSY
744129 - HANDLE ASSY
S885 - RETAINING RING
743131 - POWER
CYLINDER
403805 - O'RING
S892 - O'RING
S908 - BACK-UP RING
A-201 - O'RING
PISTON ROD ASSY
(INCLUDES S908 AND A-201)
S/N: 2269 AND ABOVE
PLEASE CONTACT GAGE BILT FOR ALL OTHER SERIAL NUMBERS.
Disconnect tool from its air source before disassembly.
402479 - BUTTON
HEAD CAP SCREW (4)
AIR
744136
Remove pin (744149) and muffler (744143). Insert valve extractor (S1178)
A-249 - SWIVEL
400784 - O'RING
743144 - VALVE
SLEEVE
744144 - SPRING
400779 - O'RING
743142 - VALVE SPOOL
ASSY
400785 - O'RING
744142 - VALVE PLUG
400785 - O'RING
744143 - MUFFLER
744149 - PIN
10
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
ASSY
400559 - FLEXLOCK NUT
S12 - O'RING
744124 - BASE COVER
REV. 10/14