TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
Table 9. Bogie Wheel System Troubleshooting Procedures (Non-Error Code).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Bogie Wheels Will Not Lift or Lower.
1. Check operation of
all a. If no tophandler functions
tophandler functions.
operate, check tophandler
pump pressure at test point 11
(WP 0188 00).
b. Troubleshoot pump control
circuit (611 solenoid) (WP
50).
c. Replace
steering
and
tophandler pump assembly
(WP 0242 00).
2. Check clearance of cab Move cab closer to the frame.
proximity switch (7210) Adjust cab or proximity switch
between cab and frame. Move (7210) to correct clearance.
the cab to the transport position
(TM 10-3930-675-10).
NOTE
DO NOT adjust proximity switch (7210) beyond end of
enclosure.
3. Inspect bogie wheel slide rails Remove obstructions and clean as
and locking collar/bogie screw required.
for obstructions.
4. Check position
of
bogie Place bogie pressure valve in the
pressure valve.
CLOSED position (TM 10-3930-
675-10).
5. Inspect boom folding control Replace damaged or leaking
valve for damage and signs of boom folding control valve(s)
leakage.
(WP 0172 00).
6. Check cab proximity switch a. Replace
damaged
or
(7210) and solenoid valve
inoperative proximity switch
(6043) operation and wiring
(WP 0076 00).
(WP 0048 00-30).
b. Replace damaged or faulty
solenoid valve (WP 0171 00).
7. Inspect bogie wheel cylinders a. Tighten loose connections.
and hydraulic lines and hoses b. Replace damaged or leaking
and boom folding control
lines and hoses (WP 0182 00).
valve for damage and signs of c. Replace damaged or leaking
leakage.
boom folding control valve
(WP 0172 00).
0007 00-88
