TM 10-4320-344-24
2.20.3 Radiator Service, Model 609-A. (Continued)
Do not work on equipment that is not securely stabilized to prevent rolling
or sliding. Ensure both wheels of equipment have chocks that are secure.
Allow engine to cool before removing radiator cap to avoid being scalded by
hot antifreeze. Open radiator cap slowly to release pressure.
Drain antifreeze and allow radiator to cool. Hot radiator or antifreeze can
cause serious burns.
Failure to obey these warnings may result in serious personal injury.
a.
b .
c .
d.
e .
Remove radiator cap (Figure 2-107, 1).
Visually check, through radiator filler neck (2) for accumulation of rust or
scale inside radiator (3). If required, refer to paragraph 2.20.3.2 and flush
r a d i a t o r ( 3 ) .
Add new antifreeze until fluid level is visible in radiator filler neck (2).
Antifreeze level will drop when thermostat opens.
Refer to TM 10-4320-344-10 and start engine. When thermostat opens, add
antifreeze until fluid level is visible in radiator filler neck (2).
Refer to TM 10-4320-344-10 and stop engine. Install radiator cap (1) on
r a d i a t o r ( 3 ).
2.20.3.2 Flushing Radiator.
Do not work on equipment that is not securely stabilized to prevent rolling
or sliding. Ensure both wheels of equipment have chocks that are secure.
Allow engine to cool before removing radiator cap to avoid being scalded by
hot antifreeze. Open radiator cap slowly to release pressure.
Drain antifreeze and allow radiator to cool. Hot radiator or antifreeze can
cause serious burns.
Failure to obey these warnings may result in serious personal injury.
a .
Add cleaning compound to radiator (3), fill radiator (3) with clean water, and
install radiator cap (1) on radiator (3).
Normal operating temperature is between 175°F (79°C) and 210°F (99°C).
b .
Refer to TM 10-4320-344-10 and start engine. When normal operating
temperature is reached, refer to TM 10-4320-344-10 and stop engine.
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NOTE
NOTE
