TM 5-4220-227-14
(12)
Install six bolts (11), lockwashers (10) and nuts (9).
(13)
Add propylene glycol water 25% to 75% mix to fill reservoir in heater/chiller module, and open the penetrator
fluid supply valve (5) and return valves (6).
(14)
Start up the heater/chiller module to purge the fluid system.
(15)
Add additional fluid mixture after purging the system.
(16)
Start up the heater/chiller module and run it through a heat and then a cooling cycle, checking for leaks and
ensuring smooth operation of the unit.
(17)
Move the heater/chiller fan switch (8) to the ON position and run fan motor for several minutes to ensure proper
operation.
(18)
Remove two pins (4), support (3), close hood assembly door (2) and secure with two latches (1).
Change 1
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