TM 10-8145-222-23
MAINTAINER MAINTENANCE
COOLING SYSTEM
SERVICE, REPAIR
INITIAL SETUP:
Tools and Special Tools
Personnel Required
Funnel (WP 0099)
Quartermaster and Chemical Equipment Repairer
Hose (WP 0097, Item 25)
References
Pail (WP 0097, Item 35)
SATS (WP 0096, Table 2, Item 8)
TM 10-8415-222-10
Spill Kit (WP 0097, Item 49)
Tester, Belt Tension (TM 10-8415-222-10, Table 2,
Item 5)
EPA Regulation 40 CFR 300
Materials/Parts
TM 10-8145-222-23P
Alcohol, Isopropyl (WP 0097, Item 2)
Equipment Condition
Anti-Freeze, 50/50 Mixture (WP 0097, Item 3)
Radiator Cleaner, Alkaline Based (WP 0097, Item 15)
Refrigeration unit shut down and cool
Scouring Pad (WP 0097, Item 40)
for at least 30-minutes (TM 10-8415-222-10)
Towel, Machinery Wiping (WP 0097, Item 52)
Front panel assembly removed (WP 0013)
Top-right panel removed (WP 0013)
E-STOP switch in PUSH TO STOP position
(TM 10-8415-222-10)
SERVICE
Service of the cooling system consists of draining, cleaning, flushing, and filling of cooling system. The following
procedures should be followed in the order they are written to properly service cooling system.
Drain Cooling System
WARNING
When removing the radiator cap, wait at least 30 minutes after the engine has
stopped running and allowed to cool down. Failure to wait for engine to cool can
cause coolant to gush out of the radiator and could result in serious burns. Wear
protective clothing when working with radiator coolant systems.
Falling from the roof of the MTRCS can cause serious personal injury or death. Keep
three points of contact on the MTRCS at all times.
1. Place POWER ON/DOWN switch (Figure 1, Item 2) on control panel (Figure 1, Item 1) to DOWN position.
2. When radiator (Figure 1, Item 3) is cool to touch, remove radiator cap (Figure 1, Item 4).
3. Drain engine block by positioning engine petcock drain hose (Figure 1, Item 6) in drain pail and opening engine
petcock (Figure 1, Item 7).
4. Close engine petcock (Figure 1, Item 7).
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