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Page Title:
Table 12. Braking System (Unit) Troubleshooting Procedures - Continued. |
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 TM 10-3930-660-24-1
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 12. Braking System (Unit) Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Check for loose electrical
Repair loose connections in
10. Emergency Steering Pump Motor Will Not
connections.
Start or Does Not Rotate Freely.
wiring as necessary (WP 0110
2. Check for seized steering
Inspect steering pump, replace if
pump assembly.
necessary (WP 0139 00).
3. Check for failure of steering
Inspect steering relay, replace if
pump-mounted relay.
necessary (WP 0082 00).
1. Check that the fuel/hydraulic
Add oil to fuel/hydraulic tank as
11. Emergency Steering Pump Will Not Pump
tank is filled with hydraulic
Oil But Motor Spins Freely.
necessary.
oil.
2. Check that steering pump
Replace steering pump assembly
assembly is working
if necessary (WP 0139 00).
properly.
Check for low battery output
Test battery voltage using STE/
12. Emergency Steering Pump Does Not
Develop Full Pressure or Flow.
with STE/ICE-R.
ICE-R test 67. Battery voltage
should be 24 volts or higher.
Service or replace batteries as
required if voltage is below
minimum requirement (TM 9-
6140-200-14).
1. Check for tripped circuit
Check circuit for shorts, bad
13. Steering Select Valve Does Not Work.
breaker (CB 4).
ground, or defective steering
select valve. Replace steering
select valve if necessary (WP
a. The circuit breakers will
trip if there is a shorted or
grounded wire.
b. The circuit breakers will
automatically reset after
cooling. They cannot be
reset manually.
c. Under normal operating
conditions, circuit
breakers should never
require replacement.
However, if a circuit
breaker does not reset
after is has cooled, the
circuit breaker is
defective and must be
replace (WP 0071 00).
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