TM 3-4230-218-12&P
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6.
If engine cooling fins are not blocked, proceed to step 3.
Step 3.
Check to see if fuel tank air vent is clogged.
Air enters tank between fuel tank lid and fuel line holders. Holder
should spin freely in lid and be free of debris, ice or snow.
If debris is present, clean around fuel line holder and fuel tank lid.
If engine still overheats or runs irregularly, contact organizational
maintenance.
NO WATER PRESSURE.
Step 1.
Check suction hose for proper positioning or clogged strainer.
If suction hose is not properly positioned, reposition water hose.
If suction hose strainer is clogged, clean strainer (refer to page
3-22).
Step 2.
Check control panel WATER PRESS REGULATOR setting.
If control panel WATER PRESS REGULATOR is not set fully clock-
wise, turn fully clock wise.
If control panel WATER PRESS REGULATOR is set fully clockwise,
proceed to step 3.
Step 3.
Check that engine speed is not too low.
If engine speed is low, increase engine speed by adjusting throttle.
If engine speed is normal, proceed to step 4.
Step 4.
Check for loose suction hose and connections.
If hose is loose, tighten hose connections.
If hoses are tight, proceed to step 5.
Step 5.
Check for loose or broken water pump drive belts.
If drive belts are loose, adjust belt tension.
If drive belts are broken, notify organizational maintenance.
If drive belts are not loose or broken, proceed to step 6.
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