TM 5-3805-296-10
0010
Table 1. Operator Troubleshooting - Continued.
0010
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
25. Differential Lock Will Not
4. Perform differential lock operation
Machine Resists Turning -
Engage When Switch Is
check as follows:
Differential lock control functions.
Pressed - Continued
a. Start engine and allow air
Troubleshooting complete.
pressure to reach 110 psi
Problem Still Exists. Machine Does
(758 kPa).
Not Resist Turning -
b. Lift empty bowl.
Notify Field Maintenance.
c.
Release parking brake.
d. With engine at low idle speed,
use steering wheel to turn
machine SLIGHTLY to left and
right while slowly moving
forward.
e. With tractor and scraper in a
straight position, push and
hold differential lock switch
down.
f.
Repeat step d. Machine
should resist turning when
differential lock is engaged.
g. Release differential lock
switch.
0010-16