Military MEP — Engine Cooling System Service
Maintenance
From a Military MEP operator's manual — check it applies to your exact model before use.
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Before you start
- Cooling system operates at high temperature and pressure; allow system to cool before checks.
Procedure
- Set ENGINE CONTROL switch to OFF/RESET.
- Open right side engine access door.
- Remove cap on coolant recovery (overflow) bottle.
- Fill to HOT line if coolant is hot or COLD line if coolant is cold.
- Use proper coolant/antifreeze mixture per Table 1.
- Install coolant recovery bottle cap and close access door.
Specs & values
- Coolant A-A-52624 antifreeze 60% / water 40% for -50 to +120 F
- Water with MIL-A-53009 inhibitor 35:1 for 40 to +120 F
Source: Military MEP operator's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.