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TM 5-4210-233-14&P-1
Table 4-2. Unit Troubleshooting - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE - Continued
6
ENGINE LOW OIL PRESSURE AT WORKING TEMPERATURE
Step 1. Check oil level.
Fill as required.
Step 2. Wrong oil viscosity.
Drain and refill with correct oil (see Chapter 3, Lubrication Instructions).
Step 3. Oil bypassing oil cooler.
Clean or replace oil cooler. Notify Direct Support.
Step 4. Visually check gauge.
Replace as required (see para 4-93).
Step 5. Check sending unit.
Replace as required (see para 4-138).
7
OIL OR FUMES SEEN AT ROCKER COVER BREATHER TUBE
Step 1. Check engine breather filtering disc.
Clean or replace breather filtering disc.
Step 2. Visually check exhaust and muffler for dents or blockage.
Remove blockage or Notify Direct Support if damaged.
4-46
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