 |
|||
|
|
|||
|
|
|||
| ||||||||||
|
|
 TM 10-3930-611-35
Table 2-1. Troubleshooting - (Continued)
Malfunction
Probable cause
Corrective action
j. 1A-Timer out of adjustment----------------------
j. Adjust (para 3-6).
k. Broken wires or loose connec-
k. Replace or tighten (para 3-7).
tions.
l. Drive motor burned out ---------------------------
l. Replace (para 3-3).
m. Thermoswitch open------------------------------
m. Wait to cool.
n. Thermoswitch defective -------------------------
n. Replace.
o. Power train from motor to wheels
o. Replace broken parts (para 3-23).
interrupted.
5. Truck will not operate at max-
a. 1A-Timer out of adjustment---------------------
a. Adjust (para 3-6).
imum speed.
b. 1A-Contactor defective --------------------------
b. Replace (para 3-6).
c. Drive motor defective-----------------------------
c. Replace (para 3-3).
6. Truck will not operate in correct
a. Creeping speed adjuster off --------------------
a. Adjust creeping speed (para 3-6).
creeping speed.
b. Card 1 defective-----------------------------------
b. Replace (para 3-6).
c. Drive motor defective-----------------------------
c. Replace (para 3-3).
7. Truck will not operate under
a. Plugging adjustment off -------------------------
a. Adjust (para 3-6).
plugging.
b.
Sensor defective ----------------------------------
b.
Replace (para 3-6).
c.
Card 1 defective -----------------------------------
c.
Replace (para 3-6).
d.
Drive motor defective-----------------------------
d.
Replace (para 3-3).
8. Failure to lift and/or tilt ---------------------
a.
Battery interlock switch defec-
a.
Replace (TM 10-3930-611-12 para
tive.
3-31).
b. Seat switch defective-----------------------------
b. Replace (TM 10-3930-611-12 para
3-28).
c. Emergency switch defective --------------------
c. Replace (TM 10-3930-611-12 para
3-30).
d. Control valve switch defective ------------------
d. Replace (TM 10-3930-611-12 para
3-33).
e. Line contactor defective -------------------------
e. Replace (para 3-6).
f. Pump contactor defective------------------------
f. Replace (para 3-6).
g. Control valve defective ---------------------------
g. Replace (para 3-12).
h. Pump valve defective-----------------------------
h. Replace (para 3-13).
i. Pump motor defective-----------------------------
i. Replace (para 3-2).
9. Truck does not steer within the
a. Tie rods and/or bell crank linkage
a. Adjust (para 3-18).
ninimum turning radius.
age out of adjustment.
b. Excessive play in handwheel -------------------
b. Adjust.
c. Worm gear out of adjustment ------------------
c. Adjust (para 3-16).
10. Power steering inoperative or
a. Pump defective ------------------------------------
a. Replace (para 3-13).
partially operating.
b. Pump motor defective----------------------------
b. Replace (para 3-2).
c. Microswitch at booster end out of
c. Adjust (para 3-17).
adjustment.
d. Internal parts of booster dam
i. Replace and/or correct (para 3-17).
aged.
11. Drive axle noise on drive-----------------
a. Bevel gear set worn out
a. Replace (para 3-26).
b. Bevel gear set excessive back-
b. Adjust (para 3-26).
lash.
c. Ring gear set worn out---------------------------
c. Replace (para 3-23).
d. Worn out bearings --------------------------------
d. Replace (para 3-23).
2-2
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals