TM 5-3805-296-10
0010
Table 1. Operator Troubleshooting - Continued.
0010
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
25. Differential Lock Will Not
1. Observe air pressure for an
Air Pressure Indication Normal -
Engage When Switch Is
indication of 110 psi (758 kPa)
Proceed to step 2.
Pressed
Air Pressure Indication Below
Normal -
Notify Field Maintenance.
WARN I N G
Park machine on level ground, stop engine, and lower
bowl to prevent injury to operator and/or severe
damage to machine.
N OT E
Machine must be on hard, solid surface.
2. Check for mud or other debris on
Mud or Debris Not Found -
or under switches.
Proceed to step 3.
Mud or Debris Found -
Clean mud or debris from switch area.
Differential lock control functions.
Troubleshooting complete.
3. Check for open differential lock
Fuse Is Open -
fuse (fuse 33) at fuse panel
Replace fuse (WP 0018).
Differential lock control operates. If
fuse opens again, notify Field Mainte-
nance.
Troubleshooting complete.
Fuse Is Good -
Proceed to step 4.
