TM 5-4520-256-14
3-11. EXHAUST PIPE MAINTENANCE.
This Task Covers:
a.
Removal
b.
Cleaning
c.
Inspection
d.
Installation
INITIAL SETUP:
Tools Required:
Tool Kit, General Mechanics
Materials Required:
Brush, Medium Bristle (Item 2, Appendix E)
Cleaning Solvent (Item 11, Appendix E)
WARNING
Cleaning solvent, Federal Specification P-D-680, is toxic and flammable. Use only in a well-
ventilated area. Avoid prolonged breathing of fumes. Keep solvent away from flames. Do not
use in excessive amounts. Avoid skin contact.
Equipment Conditions:
Heater unit shut down and cool.
Power cable disconnected from power source.
a.
Removal.
(1)
Slide top exhaust pipe (2) and middle exhaust pipe (3) off of tube and guard assembly (4).
(2)
Remove tube and guard assembly (4) from exhaust tube assembly (5).
(3)
Loosen four captive bolts (6) and remove exhaust tube assembly (5) from heater unit.
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