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Page Title:
Table 17. Braking System Troubleshooting Procedures. |
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 TM 10-3930-660-24-1
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 16. Steering System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Check for improper
Repair front differential (WP
6.
Erratic Operation of Front Differential;
assembly of front
0243 00).
Premature Wear or Failure of Parts -
differential.
Continued.
6. Check ring gear, pinion gear,
Repair front differential (WP
bearings and seals for defects
0243 00).
or wear.
7. Check front differential ring
Adjust backlash of ring gear
and pinion adjustment.
(WP 0243 00).
8. Check for worn driveline
Replace or repair transmission
parts.
gears (WP 0243 00) and U-joints
(WP 0241 00) as necessary.
Replace check valve to
Replace check valve (WP 0252
7.
Emergency Steering Pump Will Not Hold
Pressure in Discharge Line.
determine if faulty.
00).
Replace check valve to
Replace check valve (WP 0252
8.
Emergency Steering Pump Will Not Develop
Full Pressure or Flow.
determine if faulty.
00).
Table 17. Braking System Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Check brake control valve
Repair brake control valve (WP
1.
Brakes Will Not Release.
for ball valve damage.
0299 00).
2. Check for binding piston in
Repair brake control valve (WP
brake control valve.
0299 00).
1. Check pressure regulating
Repair brake control valve (WP
2.
Insufficient Brakes.
spring in brake control valve
0299 00).
for damage.
2. Check boot on brake control
Repair brake control valve (WP
valve for cuts.
0299 00).
Check piston in brake control
Repair brake control valve (WP
3.
Brakes Will Not Release Completely.
valve for sticking.
0299 00).
Check for quantity of shims in
Repair brake control valve (WP
4.
Excessive Braking.
brake control valve.
0299 00).
1. Check brake control valve
Repair brake control valve (WP
5.
Brake Accumulator Charging Cycle
poppet for leakage.
Repeats Frequently When Brakes Are Not
0299 00).
Being Used.
2. Check brake valve seals and
Repair brake control valve seals
O-rings for leakage.
and O-rings (WP 0299 00).
3. Check seating of ball valve
Repair brake control valve (WP
in brake control valve.
0299 00).
4. Check pilot valve for leakage
Repair brake control valve (WP
of brake control valve.
0299 00).
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