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Page Title:
Table 3. Cab Tilt System Troubleshooting Procedures. |
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 TM 9-2320-312-24-1
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 3. Cab Tilt System Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
CAB TILT SYSTEM (MANUAL OPERATION)
1. Cab Locking Latch Inoperative.
Check cab latch for binding or
Clean and adjust as required
obstructions.
Clean cap check valve.
2. Cab Will Not Lower.
1. Remove and inspect check
valve in oil fill cap for paint or
clogging.
Clean locking bar.
2. Check for binding or
obstructions at latch bracket
locking bar on underside of
cab. Check for binding or
obstructions at safety prop
release cable.
a. Tighten any loose or
3. Cab Will Not Tilt.
1. Inspect cab tilt hydraulic
leaking fitting.
system hoses and fittings for
signs of leaking or damage.
b. Replace damaged hoses
or fittings (WP 0126 00).
2. Check hydraulic fluid level in
Add hydraulic fluid as required
cab tilt pump (WP 0125 00).
Replace failed circuit breaker or
3. Use multimeter to test 40A
circuit breaker and relay
relay (WP 0124 00).
located in cab tilt pump box.
4. Operate hand pump and
Replace cab tilt motor and pump
control valve.
assembly if no pumping action is
apparent (WP 0124 00).
a. If cab tilt locking latch
5. While operating hand pump,
fails to open, replace latch
check for the following: cab
tilt latch opening and tilt
cylinder extending.
b. If cab tilt cylinder fails to
extend, replace cylinder
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