Quantcast Table 3-2. Troublerhooting - TM-10-3930-609-120043

 

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Section IV. OPERATORS MAINTENANCE
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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 - CONT
TM 10-3930-609-12
Corrective action
Malfunction
Probable cause
g. Adjust or replace switch (para 3-54).
g. Seat switch not working.
h. Clean and secure connections firmly
h. Open circuit due to loose connections
in accelerator master assembly.
i. Replace accelerator master assembly
i. Mechanical binding in accelerator
master assembly.
j. Refer other causes to direct and gen-
j. Other causes.
eral support maintenance personnel.
a. Remove object.
a. Object lodged in relay.
2. All speeds not obtainable.
b. Replace contacts (para 349).
b. Dirty contacts on relay.
c. Replace accelerator master assembly.
c. Switches in accelerator master assem-
bly malfunctioning.
d. Replace accelerator master assembly
d. Sticking or binding of accelerator
any part of stroke.
e. Refer other causes to direct and gen-
e. Other causes.
eral support maintenance personnel.
a. Replace contacts (para 3-49).
a. Dirty relay contacts.
3. overheating.
b. No technical remedy. Advise opera-
b. Vehicle operating in low speed for
tor to avoid practice if possible.
prolonged periods.
c. Refer other causes to direct and gen-
c. Other causes.
eral support maintenance personnel.
a. Clean unit thoroughly.
a. Dirt in relay or directional switch.
4.
Improper plugging control and
b. Clean or replace contacts (para 3-49).
b. Dirty contact in relay.
timing through all speeds.
c. Refer other causes to direct and gen-
c. Other causes.
eral support maintenance person-
nel.
a. Adjust brakes (para 3-30a).
a. Improper brake adjustment.
5. Brakes dragging.
b. Open wheel cylinder bleeder fitting.
b. Plugged master cylinder compensat-
If brakes release when fluid es
ing port.
capes, replace master cylinder
e. Seat brake improperly adjusted.
c. Adjust so that brake does not drag
when seat is down and is firmly
applied when seat is up (para 3-
d. Mineral oil in brake system.
d. Bleed brake system (para 3-30b).
e. Brake return spring weak or broken
e. Replace brake system return spring
f. Other causes.
f. Refer other causes to direct and gen-
eral support maintenance person-
nel.
6.
a. W orn lining.
Brake pedal goes to floor.
a. Install new lined brake shoes (para
b.
Air in system.
b. Bleed system (para 3-30b).
c.
Fluid low in master cylinder.
c. Replenish fluid and chock for leaks.
d.
Pedal improperly adjusted.
d. Adjust brake pedal (para 3-30a).
e.
Broken brake line.
e. Replace brake line.
f.
other causes.
f. Refer other causes to direct and gen-
eral support maintenance person-
nel.
7.
Brake pedal under pressure
a. Leaks in hydraulic brake system.
a. Locate and eliminate leaks.
gradually goes to floor plate.
b. Scored master cylinder barrel or
b. Replace master cylinder (para 3-41).
defective cup.
c. other causes.
c. Refer other causes to direct and gen-
eral support maintenance person-
nel.
8.
Brake pedal has springy or rub-
a. Air in system.
a. Bleed system (para 3-30b).
bery action.
b. Other causes.
b. Refer other causes to direct and gen-
eral support maintenance person-
nel.
3-5

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