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30
TROUBLESHOOTING
PLA
TFORM RAISES PARTIALLY THEN STOPS
1. Lower the open platform to the
ground. Do the CHECKING
HYDRAULIC FLUID procedure
in this manual, If necessary,
add hydraulic ! uid.
2. Use voltmeter to verify the
battery voltage is 12.6 volts or
more under load from pump
motor.
3. Check for structural damage
and poor lubrication. Replace
worn parts.
4. Check for dirty raising relief
valve (FIG. 30-1). Clean or re-
place relief valve, if necessary.
ADJUSTMENT
COVER
RELIEF
V
ALVE
RESERVOIR
CHECKING THE RAISING RELIEF V
ALVE
FIG. 30-1
Keep dirt, water and other contaminants
from entering the hydraulic system. Before
opening the hydraulic !
uid reservoir " ller
cap, drain plug and hydraulic lines, clean
up contaminants that can get in the open-
ings. Also, protect the openings from acci-
dental contamination during maintenance.
CAUTION
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