TM 9-2350-267-10
TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
ENGINE - Continued
NOTE
If improper fuel is suspected, notify Organizational Mainte-
nance.
5. ENGINE OVERHEATS (COOLANT WARNING LAMP IS LIT)
Step 1.
Step 2.
Step 3.
Step 4.
Step 5.
Step 6.
WARNING
NEVER remove radiator cap on overheated engine.
Check to see if engine coolant is low and if any leaks are visible.
Fill (p 3-21).
If leaks are visible, notify Organizational Maintenance.
Check to see if engine oil is low.
Fill (LO 9-2350-267-12).
Check radiator cap for tight fit.
Tighten.
Check to see if cooling fan is operating properly.
Notify Organizational Maintenance.
Check to see if radiator/grille is clogged.
Unclog radiator/grille.
Excessive engine idling at low rpm.
Increase idle speed to 1000-1200 rpm.
3-7
