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TM 5-4210-220-12
4-19. WINTERIZATION SYSTEM.
4-19 1 Winterization Exhaust System.
This task covers
a.
Removal
b.
Inspection
c.
Installation
TOOLS
Tool Kit, Master Mechanic,
NSN 5180-00-699-5273
EQUIPMENT CONDITION
Main Engine Shutdown (see para. 2-10)
APU Shutdown (see para. 2-12)
Batteries Disconnected (see para. 4-24.12)
MATERIALS/PARTS
89711-K Tubing Flexible
89556-K Flatband Clamp
103954 Wye
WARNING
Exhaust parts may cause severe burns if touched while hot. Exhaust system must be cool
before working on system.
NOTE
The following procedures can be used to replace either the APU or the winterization heater
exhaust pipe.
REMOVAL
(1)
Remove clamp nuts. If nuts are corroded cut band with hacksaw.
(2)
Remove clamp.
(3)
Remove exhaust tubing.
INSPECTION
(1)
Inspect tubing and clamps for corrosion.
(2)
Check tubing for excessive dents or separation.
(3)
Replace parts as required.
INSTALLATION
(1)
Install pre-cut tubing on winterization heater exhaust outlet or on APU exhaust outlet.
(2)
Install new clamps and nuts.
(3)
Tighten clamp nuts to 30 ft lb (41 Nm).
4-288
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