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TM 5-4210-220-12
Table 4-2 UNIT TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
b. Check air hoses to multistat, engine fan and engine shutter for crimps Replace if required.
c. Check operation of multistat and replace if required, (see para. 4-22).
13e ENGINE HAS LOW POWER
Step 1. Check engine air cleaner.
Replace as required, (see para. 4-23).
Step 2. Check engine fuel filters.
Replace fuel filters, (see para. 4-23).
Step 3. Check engine oil.
Drain and refill if oil is very dirty.
Step 4. Check brakes are not dragging.
Check for slow air leak in brake system and adjust or repair brakes.
13f ENGINE LOW OIL PRESSURE AT WORKING TEMPERATURE
Step 1. Check oil level.
Top up as required.
Step 2. Wrong oil viscosity.
Drain and refill with correct oil.
Step 3. Oil bypassing oil cooler.
Clean or replace oil cooler, (see para. 4-28).
Step 4. Check gage.
Replace as required, (see para. 4-24).
Step 5. Check sender.
Replace as required, (see para. 4-24).
Step 6. Oil cooler bypass valve not operating correctly.
Replace bypass valve, (see para. 4-28).
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