TM 5-2420-230-24-1
Table 3-6. Unit Troubleshooting Table. -- Continued
Malfunction
Test or Inspection
Corrective Action
8.
ENGINE OVERHEATS.
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical circuits, a
direct short may result. Damage to equipment and injury or death to personnel may occur.
Step 1.
Check ENGINE OIL PRESSURE gauge (1) and oil pressure sensor (2) to ensure both are functioning
correctly.
Remove wire at sending unit and ground to vehicle chassis. Have an assistant watch gauge to identify
its movement. If no movement is noticed, check continuity of wire. Replace wire as necessary
If wire has continuity, replace gauge (Para 12-23).
Step 2.
Check serviceability of belt (TM 5-2420-230-10).
If belt is unserviceable, replace belt (Para 4-6).
No smoking, flames, sparks, or glowing or hot objects are allowed within 50 ft. (15 m) of vehicle.
Fire or explosion may cause personal injury or death.
Fuel and oil are slippery and can cause falls. To avoid injury, wipe up spilled fuel or oil with rags.
To prevent possible injury, wear gloves and protective eye equipment when handling fuel. Failure
to comply may result in injury or death to personnel.
Step 3.
Check fuel tank (3) for incorrect grade of fuel.
If fuel is incorrect grade, drain fuel tank (3) (Para 7-7).
Change 1
