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60
6. Remove assembled pump and motor from reservoir (FIGS. 57-1 and 57-2). Check if
pump fi lter is clogged. Clean clogged fi lter and fl ush contaminated fl uid from reservoir.
Replace spin-on fi lter in pump box.
5. Check for bent parts on the Liftgate that could interfere with normal operation.
7. If pump runs hot and extremely noisy, replace it.
FIG. 60-1
NOTE: Do the BLEEDING HYDRAULIC SYSTEM procedure
in this manual with the following step.
8. Remove pressure compensation valve
(FIG. 60-1) located at the top of each
column. Check if the fl ow control valves are
contaminated. Disassemble, try to move
plunger with small screwdriver, and then
clean each valve as shown in FIG. 60-1.
Reinstall or replace each valve if necessary.
FLOW CONTROL
VALVE
SCREWDRIVER
“D” VALVE (REF)
CYLINDER
(REF)
NOTE: Do the BLEEDING HYDRAULIC SYSTEM procedure
in this manual with the following step.
PLATFORM RAISES HALFWAY & STOPS - Continued
TROUBLESHOOTING
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