4-120. APU PREPARATION
These procedures apply to Level A only and must be performed only after the
semitrailer has been positioned in storage or on shipping conveyance and final
platform and gooseneck height adjustments have been made.
a. Raise gooseneck step sections to gain access to APU (para. 2-13).
b. Drain cooling system (para. 4-110) and fill radiator with 50/50 mixture of water and antifreeze (item 2, appx. E).
Run engine for 5 minutes to allow mixture to circulate properly.
If NBC exposure is suspected, all air filter media should be handled by personnel
wearing protective equipment. Consult your unit NBC Officer or NBC NCO for
appropriate handling or disposal instructions.
e. Remove wingnut (1), grommet (2), air cleaner cover (3), and air filter (4). Spray a light coat of preserative oil (item
8, table 4-1) into air inlet (5). Seal opening of air inlet (5) with small piece of heavy paper and tape (item 13, table
4-1). Replace air filter (4), cover (3), grommet (2), and wingnut (1). Apply tape (item 13, table 4-1)
to air cleaner
cover (3) inlet, making sure all openings are sealed.
Change 1 4-535