ENGINE DOES NOT REACH NORMAL OPERATING TEMPERATURE.

TM9-2320-270-20-1

TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

11. ENGINE DOES NOT REACH NORMAL OPERATING TEMPERATURE.

Start engine (TM 9-2320-270-10) and let it run for 20 minutes. Shut down

Step 1.

engine (TM 9-2320-270-10). Open left side of hood and remove left side panel

(TM 9-232-270-10).

If water temperature is below 185 F(850C) (TM 9-2320-270-10) and

fan (1) does not spin freely, replace thermal air valve (page 4-205).

Remove and test thermostats (page 4-173).

Step 2.

a. If not operating properly, replace (page 4-173).

b. If engine still does not reach normal operating temperature, install

left side panel and close left side of hood (TM 9-2320-270-10) and

notify direct support maintenance.

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