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Table 3-2. Troublerhooting - TM-10-3930-609-120043
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TM-10-3930-609-12 Truck Fork Lift Electric Solid Rubber Tires 2 000 lbs Capacity 144 In. Lift Manual
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Table 3-2. Troublerhooting - TM-10-3930-609-120045
TM 10-3930-609-12
Corrective
action
Probable cause
Malfuction
a
Replace brakeshoes (para 3-30c).
a.
Oil on linings.
9. Weak braking action.
b.
Replace brakeshoes (para 3-30c).
b.
Incorrect lining.
c.
Adjust brakes (para 3-30a).
c.
Improper brake adjustment.
d.
Refer other causes to direct and
d.
Other causes.
general support maintenance
personnel.
a. Replace brakeshoes (para 3-30c).
a. Brake lining grease or oil soaked.
10. Harsh braking action.
b. Refer to direct support.
b. Brake backing plate loose.
e. Refer other causes to direct and gen-
c. Other causes.
eral support maintenance person-
nel.
a. Drain, flush, and replace with
a. Hydraulic fluid congealed.
11. Brake releases slowly.
proper brake fluid (para 3-30b).
b. Clean. adjust or replace as necessary
b. Retraction of brakeshoes restricted
by weak return springs or dirt.
c. Replace master cylinder (para 3-31).
c. Dirt in master cylinder.
d. Refer other cause to direct and gen-
d. Other causes.
eral support maintenance person-
nel.
a. Replace brakeshoes (para 3-30b).
a. Brake lining grease or oil soaked.
12.
Truck pulls to one aide.
b. Replace brake line.
b. Brake line closed
c. Refer other causes to direct and
c. Other causes.
general support maintenance per-
sonnel.
a. Steering gear adjustment too slack.
a. Readjust steering gear (para 3-66).
13.
Steering difficult or wandering.
b. Refer other causes to direct and
b. Other causes.
general support maintenance per-
sonnel.
a. Lift chains broken.
a. Replace lift chains (pan 3-24).
14.
Lift carriage will not lift load.
b. Inspect fittings and couplings
b. Oil leaks in hoses.
Tighten or replace as required.
c. Replace (para 3-51).
c. Fusetron blown.
d. Fill reservoir to prescribed level.
d. Hydraulic fluid low.
e. Refer to direct and general support
e. Other causes.
maintenance personnel.
a. Oil leak in lines.
a. Tighten fittings.
Load creeps down from raised
15.
b. Leaky control valve
b. Tighten connections.
position.
c. Other causes.
c. Refer other cause to direct and gen-
eral support maintenance person-
nel.
a. Air in system.
a. Bleed air from system by operation
16. Hoisting speed erratic
b. Low level in reservoir.
b. Fill reservoir to prescribed
level.
c. Other causes.
c. Refer other causes to direct and
general support maintenance per-
sonnel.
17.
Control valve plungers will not
a. Refer malfunction to direct and
return to neutral.
general support maintenance
personnel.
18.
Forks uneven when load is lifted.
a. Lift chains out of adjustment
a. Adjust so chain raises forks evenly
a.
Oil supply in tank too low.
a. Fill reservoir to prescribed level.
19.
No motion of hydraulic unit
b.
Oil viscosity too heavy.
when first started up.
b. Change to oil specified
c.
Air leak in pump inlet line.
c. Tighten hose connection.
d.
Restricted pump inlet hose.
d. Repair or replace (para 3-62).
e.
Truck overloaded
e. Reduce load.
f.
Failure at switch.
f. Replace control lever switch (para
g. Other causes.
g. Refer other causes to direct and gen-
eral support maintenance personnel.
3-6

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