TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 6. Braking and Hydraulic Fan System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Check service brake pedal and linkage for
1. If damaged, replace brake pedal
1.
Front and Rear Service
damage (WP 0094 00).
assembly.
Brakes Do Not Operate.
2. If pedal and linkage are OK, brake
control valve may not be functioning
correctly. Replace brake control valve
(WP 0093 00).
3. If problem still exists, replace braking
and hydraulic fan gear pump (WP 0186
00).
Check lines to front service brakes for
1. Replace damaged or leaking lines,
2.
Front Service Brakes Do
obstructions or leaks (WP 0131 00).
tighten loose connections, and remove
Not Operate.
restrictions or reposition kinked lines.
2. If lines are OK, replace brake control
valve (WP 0093 00).
3. If problem still exists, replace braking
and hydraulic fan gear pump (WP 0186
00).
4. If problem still exists, replace front
axle (WP 0179 00).
Rear Service Brakes Do Not Check lines to rear service brakes for
1. Replace damaged or leaking lines,
3.
obstructions or leaks (WP 0131 00).
tighten loose connections, and remove
Operate.
restrictions or reposition kinked lines.
2. If lines are OK, replace brake control
valve (WP 0093 00).
3. If problem still exists, replace rear axle
(WP 0180 00).
N OT E
4.
Service Brakes Slip.
Additives in oil in one or both axles are incorrect.
1. Change differential and final drive oil
(WP 0091 00).
2. If problems still exist, replace axle(s)
(WP 0179 00 and WP 0180 00).
Change hydraulic oil and filter (WP 0137
1. If problem still exists, replace brake
5.
Service Brakes Are Not
00).
control valve (WP 0093 00).
Applied Evenly.
2. If problem still exists, replace axle(s)
(WP 0179 00 and WP 0180 00).
