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TM5-42 10-229-14&P
NOTE
Before you use the troubleshooting tables, be sure you
have performed all applicable operating checks and verified
that a malfunction exists. When a corrective action is per-
formed, verify that the action has corrected the malfunc-
tion. All malfunctions deferred to the next higher level of
maintenance must be reported according to the instruc-
tions given in DA PAM 738-750.
Table 3-1. Operator Troubleshooting Chart
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TWIN AGENT FIREFIGHTING SYSTEM
1. PRESSURE GAUGES SHOW LOSS OF PRESSURE.
Check for defective regulator or low/empty cylinders.
Refer to next higher level of maintenance for replacement.
ENGINE COOLING SYSTEM
2. ENGINE OVERHEATING.
Step 1. Inspect for loose or missing fan belt.
Refer to next higher level of maintenance.
Step 2. Inspect coolant level.
Refer to next higher level of maintenance for service.
ENGINE FUEL SYSTEM
3. ENGINE WILL NOT START.
Check for low fuel supply.
Replenish fuel supply as necessary.
4. UNEVEN RUNNING AND/OR FREQUENT STALLING.
Check for low fuel supply.
Replenish fuel supply as necessary.
ENGINE AND ACCESSORIES
5. NO BATTERY VOLTAGE.
Inspect battery cables for cracks, fraying and looseness.
Refer to next higher level of maintenance for replacement.
CAB ASSEMBLY, LIGHTS, SWITCHES, GAUGES, CONTROLS AND INDICATORS
6. WINDSHIELD WASHER DOESN'T WORK.
Check fluid level reservoir.
Refer to next higher level of maintenance.
TRANSMISSION ASSEMBLY
7. NO DRIVE IN ANY GEAR.
Check fluid level.
Refer to next higher level of maintenance.
3-2
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