TM 5-3805-291-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 6. Braking and Hydraulic Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Perform Brake Control Manifold Test (WP If faulty, replace piston pump (WP 0215
1.
Accumulator Pressure Will
00).
Not Reach Cutout Pressure
at Low Idle.
1. Check lines to front service brakes for
1. Replace damaged or leaking lines,
2.
Front Service Brakes Do
obstructions or leaks (WP 0117 00).
tighten loose connections, and remove
Not Operate and Warning
restrictions or reposition kinked lines.
System is Not Activated.
2. If lines are OK, go to Test 2.
1. Brakes are worn out, replace axle (WP
2. Perform brake disc wear (existing)
check (WP 0015 00).
0207 00).
2. If problem still exists, replace brake
control valve (WP 0116 00).
Rear Service Brakes Do Not 1. Check lines to rear service brakes for
1. Replace damaged or leaking lines,
3.
obstructions or leaks (WP 0117 00).
tighten loose connections, and remove
Operate and Warning
restrictions or reposition kinked lines.
System is Not Activated.
2. If lines are OK, go to Test 2.
2. Perform brake disc wear (existing)
1. If a problem still exists, replace axle
check (WP 0015 00).
(WP 0208 00).
2. If are worn, replace brake control valve
(WP 0116 00).
Additives in oil in one or both axles are
1. Change differential and final drive oil
4.
Service Brakes Slip and
incorrect.
(WP 0111 00).
Warning System is Not
2. If problem still exists, replace axle(s)
Activated.
(WP 0207 00 and WP 0208 00).
1. If problem still exists, replace brake
Change hydraulic oil and filter (WP 0148
5.
Service Brakes are Not
00).
control valve (WP 0116 00).
Applied Evenly.
2. If problem still exists, replace axle(s)
(WP 0207 00 and WP 0208 00).
1. Check service brake pedal and linkage
1. If damaged, replace brake pedal
6.
Too Much Force is Needed
for damage (WP 0118 00).
assembly.
to Push Brake Pedal.
2. If problem still exists, go to Test 2.
2. Change hydraulic oil and filter (WP
If problem still exists, replace brake
0155 00 and WP 0154 00).
control valve (WP 0116 00).
1. Check parking brake adjustment (WP
1. If parking brake is out of adjustment,
7.
Parking Brake Does Not
0112 00).
adjust parking brake.
Hold Machine Stationary.
2. If problem still exists, go to Test 2.
2. Check parking brake drum for grease
1. If parking brake drum is contaminated,
or oil contamination (WP 0113 00).
clean drum.
2. If problem still exists, go to Test 3.
3. Check parking brake linings for wear
If parking brake linings are worn, replace
them.
(WP 0113 00).
