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TM 10-4320-343-14
Table 3-1. Operator Troubleshooting Table. (Continued)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. ENGINE WILL NOT START.
Step 1.
Check to see if fuel source is empty or low and fuel valves are positioned correctly.
a. Set fuel valves to proper position.
b. Fill fuel tank or auxiliary source (paragraph 3.7).
c. Check fuel prime at water separator and engine fuel pump(paragraph 2.5.2)
Step 2.
If engine is cold (107F or below) on all models except Model 350 PAFN, follow procedures for use of
cold start system (paragraph 2.8.1). Follow procedures in paragraph 2.8.1.2 for use of cold startsystem
(40F or below) for Model 350 PAFN.
Step 3
Notify Unit Maintenance.
3. ENGINE RUNS ERRATIC AFTER WARMUP.
Step 1.
Visually inspect air cleaner indicator.
Replace filter elements if indicator shows clogged condition and reset air cleaner indicator.
Step 2.
Check fuel tank or auxiliary source as appropriate.
a. Refill fuel source (paragraph 3.7).
b. Drain water separator (paragraph 3.5).
Step 3.
Notify Unit Maintenance.
4. ENGINE HAS EXCESSIVE EXHAUST SMOKE AFTER WARMUP.
Step 1.
Check fuel tank or auxiliary source as appropriate.
a. Refill fuel source (paragraph 3.7).
b. Drain water separator (paragraph 3.5).
Step 2.
Notify Unit Maintenance.
5. OIL PRESSURE READING LOW.
Step 1.
Check engine oil level (paragraph 3.3).
Add oil in accordance with LO 10-4320-343-12.
Step 2.
Notify Unit Maintenance.
Change 1 3-2.1/(3-2.2 Blank)
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