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HYDROSTATIC PUMP (Cont’d)
Charge Pump Disassembly (Cont’d)
Remove the gerotor assembly from the gerotor cover [A].
Check all charge pump components for wear or damage.
Replace parts as necessary.
Disassembly
When making repairs on hydrostatic and
hydraulic systems, clean the work area before
disassembly and keep all parts clean. Always
use caps and plugs on hoses, tubelines and
ports to keep dirt out. Dirt can quickly damage
the system.
I–2003–0284
Use the following procedure to disassemble both front
and rear hydrostatic pumps. Procedures to be performed
on the front or rear pump only are marked.
NOTE: Keep front and rear pump parts separate
during disassembly and assembly.
Remove the plug, shims (if equipped), spring and high
pressure relief valve cartridge from each side of the pump
[B].
♦ Remove the plug, shims (if equipped), spring and
charge pressure relief valve [C].
◊ Remove the by–pass valve [D].
◊ Front Pump
♦ Rear Pump
Revised June 96
A
B
C
D
CD–00056
CD–00057
CD–00059
CD–00060
853, 853H BICS Loader
–3–37– Service Manual