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Page Title:
TABLE 6-2. TROUBLESHOOTING - continued |
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 TABLE 6-2. TROUBLESHOOTING (Cont'd)
STEP
PROCEDURE
CORRECTIVE ACTION
Brakes (Cont'd)
5. Truck pulls to one
b.
Fluid on brake lining.
b. Replace brake lining
side. (Cont'd)
(paras. 6-133 through
6-137).
Steering
1. Steering difficult.
a.
Bent steering column.
a. Overhaul steering gear
(para 6-144 through
b.
Broken spindle pin on
b. Overhaul steering axle
steering axle.
(paras. 6-119 through
c.
Jammed ball nut in
c. Overhaul steering gear
steering gear.
(paras. 6-144 through
2. Excessive looseness
a.
Steering gears worn.
a. Overhaul steering gear
in steering.
(paras. 6-144 through
b.
Tie rod ends worn.
b. Overhaul steering axle
(paras. 6-1 19 through
6-126).
Hydraulic
1. Lift carriage will
a.
Hydraulic pump
a. Overhaul hydraulic
not lift load.
defective.
pump (paras. 6-171
b.
Defective seals in
b. Repair hoist cylinder
hoist cylinder.
c.
Hydraulic pump motor
c. Overhaul pump motor
defective.
d.
Hydraulic control
d. Overhaul hydraulic
valve defective.
direction control
valve (paras. 6-181
2. Load creeps down from a.
Leakage past rings in
a. Repair hoist cylinder
raised position.
hoist cylinder.
b.
Hydraulic direction
b. Overhaul hydraulic
control valve de-
direction control valve
fective.
3. Hoisting speed
a.
Bent or distorted
a. Overhaul mast assembly.
erratic.
mast assembly.
6-11
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