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 TM 55-1905-221-14-1
Table 4-1. Troubleshooting (Continued).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
b. Check thermostat seal. Replace if necessary.
Step 3. Check for faulty injectors.
a. Check injector adjustment (para 4-55) and position of each injector rack.
b. Check injectors spray tip for enlarged or broken tip. Replace any faulty injectors.
4. HIGH LUBRICATION OIL CONSUMPTION.
Step 1. Check for leaking oil lines or connections.
a. Tighten any loose connections.
b. Replace any damaged lines.
Step 2. Check for gasket or oil seal leaks.
a. Replace defective oil seals or gaskets whenever possible.
b. Notify your supervisor for replacement of seals or gaskets beyond your capabilities.
Step 3. Check for leaking oil cooler core.
Check the engine coolant for lubricating oil contamination. If contaminated, replace the oil cooler core
5. LOW OIL PRESSURE.
Step 1. Check to see if oil cooler is clogged.
a. Remove and clean the oil cooler core (para 4-50).
b. If core does not require cleaning, go to Step 2.
4-8
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