9
Rev. 9/14
GB7045
HEAD
Remove nose assembly from tool before attempting disassembly of head cylinder (745366).
Remove end cap (745816). Push against threaded end of piston (745310) to slide it out of head cylinder (745366). Be careful not to
damage threads or cause burrs on polished piston rod surface.
WARNING:
Dispose of Hydraulic Oil in accordance with applicable regulations.
The re-assembly sequence is the opposite of disassembly. (See Filling and Bleeding instructions.) Apply Loctite® #242 and torque
the four button-head cap screws (402479) uniformly to 40 inch lbs. to prevent leakage around the gasket (745124).
480125 - RETAINING NUT STOP
480101 - PINTAIL TUBE
A-261 - O'RING
401119 - BACK-UP RING
401119 - BACK-UP RING
405889 - O'RING
756120 - DEFLECTOR
480124 - NUT
753101 - NOSE FITTING
401092 - BACK-UP RING
745366 - HEAD CYLINDER
403815 - O'RING
745310 - PISTON
401105 - BACK-UP RING
745816 - END CAP
402482 - BUTTON HEAD SCREW (2)
S572 - STAT-O-SEAL (2)
A-820 - O'RING
403846 - O'RING
WARNING
This tool incorporates a patented hydraulic relief valve.
When overhauling tool, o’ring (A-287), back-up ring
(401101), retaining ring (400936) and spring (50806)
must be replaced. Failure to do so could result in
SEVERE PERSONAL INJURY!
PISTON ROD ASSEMBLY - 745344
SPRING - 50806
RETAINING RING - 400936
O'RING - A-287
BACK - UP RING - 401101