TM 5-3431-201-10
STEP 1. OPEN DRAIN VALVE AND DRAIN RADIATOR.
STEP 2. REMOVE HOSE AND OPEN WATER VALVE AND DRAIN COOLING SYSTEM.
STEP 3. AFTER WATER IS DRAINED FROM RADIATOR AND ENGINE, CLOSE RADIATOR DRAIN VALVE AND
WATER VALVE AND INSTALL HOSE.
STEP 4. REMOVE RADIATOR CAP AND FILL RADIATOR WITH CLEAN WATER TO WITHIN ONE-INCH OF TOP
AND REPLACE CAP.
Figure 15. Cooling system, service.
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