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Page Title:
TABLE 4. TROUBLESHOOTING GUIDE - continued |
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 TABLE 4. TROUBLESHOOTING GUIDE (Continued)
REMEDY
PROBABLE CAUSE
TROUBLE
I
1 0 . BRAKES (Continued)
Adjust brakes.
Shoes improperly adjusted
Excessive pedal pressure
(continued)
Fill master cylinder to within l/4 inch
Insufficient fluid in master
of the top.
cylinder
Inspect mounting on hub, spindles,
Wheel wobbles; bent
Wheel troubles
and drive axle; replace defective wheel
or mounting.
Tighten.
Wheel loose on hub
Balance wheel.
Wheel out of balance
Adjust, lubricate wheel bearings.
Wheel bearings run hot
1 1 . HYDRAULIC SYSTEM
Must be reversed immediately to prevent
Wrong direction of rotation
Pump not delivering oil
seizure and breakage of parts due to
lack of oil.
Add recommended oil.
Tank oil level low
Oil intake pipe or suction
Replace filter cartridge, clean strainer
filter plugged
if so equipped.
Will prevent priming, or cause noise
Air leak in suction line
and irregular action of control circuit.
Thinner oil should be used, per
Oil viscosity too heavy to
recommendations for given tem-
pick up prime
perature and service.
Report to designated authority.
Broken pump shaft or gear
Check oil circulation by watching
Pump not delivering oil for
Pump not developing
oil in tank.
any of the above reasons
pressure
Refer to relief valve instructions.
Relief valve setting not
high enough
Dirt under pressure adjustment valve.
Relief valve sticking open
Refer relief valve instructions.
4-87
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