Vehicle Systems Disassembly & Assembly
Hydraulic Control Valves
Remove & Install Hydraulic
Control Valves
Hydraulic oil under pressure can remain in the
hydraulic system after the engine and pump have
been stopped. Personal injury can result if the
pressure is not released before any work is done
to the hydraulic system. To prevent possible per-
sonal injury, turn the engine off and move the con-
trol levers to make sure the hydraulic pressure is
released before any fitting, plug, hose or compo-
nent is loosened, tightened, removed or adjusted.
Always move the lift truck to a clean and level
location away from the travel of other machines.
1.
Drain the hydraulic tank.
NOTE : For purposes of reassembly, put identifica-
tion marks on all lines, tubes and hoses before any
disconnections are made.
2. Disconnect seven hydraulic lines from control
valve (3).
3. Support control valve (3). Remove two bolts and
control valve.
4. Install the control valve in the reverse order of
removal.
5. Fill the hydraulic tank to the correct level with fluid.
Refer to the Operation And Maintenance Manual
for further information.
Disassemble Hydraulic
Control Valves
Start By :
a. Remove hydraulic control valve.
NOTE : For purposes of assembly, put identification
marks on all valve sections.
1. Remove bolts (1) to separate the valve sections.
2. Remove dust cover 45), bolts (5) and retainer (6)
from the valve.
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