TM 10-3930-675-20-1
0006 00-19
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0006 00
Table 5. Operator’s Cab Troubleshooting Procedures (Non-Error Code).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Operator’s Cab Will Not Lift or Lower.
1. Ensure that auxiliary pump is
operating properly (TM 10-
3930-675-10).
2. Inspect cab lift cylinders for
obstructions and damage.
a. Remove any obstructions.
b. Replace
damaged
lift
cylinder(s) (WP 0171 00).
3. Inspect lift frame slide rails for
obstructions.
Remove any obstructions and
clean as required.
4. Inspect cab transport control
valve for damage and signs of
leakage.
Replace damaged or leaking cab
transport control valve (WP 0168
00).
5. Check hydraulic lines and
hoses for damage and signs of
leakage.
a. Tighten loose connections.
b. Replace damaged or leaking
lines and hoses (WP 0179 00).
6. Test cab system hydraulic
pressure using auxiliary pump
(WP 0186 00, test point no.
10). Pressure should be 1595
psi (110 bar).
Replace
auxiliary
pump
if
pressure is not as specified (WP
0165 00).
2. Operator’s Cab Will Not Move Left or Right.
1. Ensure that auxiliary pump is
operating properly (TM 10-
3930-675-10).
2. Inspect cab sliding cylinder for
obstructions and damage.
a. Remove any obstructions.
b. Replace
damaged
sliding
cylinder (WP 0172 00).
3. Inspect slide rails and rollers
for obstructions and damage.
a. Remove any obstructions and
clean as required.
b. Replace damaged slide rails or
rollers (WP 0142 00).
4. Inspect cab transport control
valve for damage and signs of
leakage.
Replace damaged or leaking cab
transport control valve (WP 0168
00).
5. Check hydraulic lines and
hoses for damage and signs of
leakage.
a. Tighten loose connections.
b. Replace damaged or leaking
lines and hoses (WP 0179 00).
