TM 5-2420-231-23-1
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Table 1. One Wheel Spins When Rear Differential Lock Switch Is Depressed - Continued.
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MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Remove front floor cover plate
One Wheel Spins When Rear
(WP 0306).
Differential Lock Switch Is
Depressed - Continued
Leak Found - Install front floor cover
4. Inspect differential lock hose (Fig-
plate (WP 0306).
ure 3, Item 1) for Class III leak at
Tighten or replace differential lock hose
the fittings (Figure 3, Item 2) and
(WP 0218).
transmission (Figure 3, Item 3).
Proceed to Test Step 7.
No Leak - Proceed to step 5.
5. Inspect differential lock hose (Fig-
Differential Lock Hose Sharply Bent
or Damaged - Install front floor cover
ure 3, Item 1) for sharp bends and
damage.
plate (WP 0306).
Replace rear axle differential lock hose
(WP 0218).
Proceed to Test Step 7.
Differential Lock Hose OK - Proceed
to Test Step 3.
Figure 3. Differential Lock Hose at Transmission.
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