TM 5-2420-230-24-1
20-5. ARCTIC HEATER ASSEMBLY MAINTENANCE.
This Task Covers:
a. Removal
b. Disassembly
c. Assembly
d. Installation
e. Follow-On Maintenance
INITIAL SETUP
Test Equipment
References
None
None
Tools and Special Tools
Equipment Conditions
Pan, drain, Item 29, Appendix B
TM or Para
Condition Description
Tool kit, general mechanics, Item 38, Appendix B
Vehicle positioned on level
ground.
Parking brake applied.
Materials/Parts
Antifreeze, Item 3, Appendix C
Engine shut OFF.
Cap and plug set, Item 4, Appendix C
Electrical master switch OFF.
Cloth, lint-free, Item 10, Appendix C
"Do Not Operate" tag attached
Tags, identification, Item 63, Appendix C
to ignition switch.
Ties, cable, Item 68, Appendix C
Drawings Required
TM 5-2420-230-24P Figure 207
Personnel Required
MOS 62B, Construction Equipment Repairer
Estimated Time to Complete Task
Refer to MAC in Appendix B
a. Removal.
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment and injury or death to personnel may occur.
NOTE
Tag all hoses, wires, and tubes and note
their positions before removal.
Cap and plug all tubes, hoses, and fittings
upon removal.
Remove cable ties as necessary.
(1)
Disconnect electrical connector (1) from
arctic heater box (2).
(2)
Remove two screws (3), washers (4) and
arctic heater cover (5) from arctic heater
box (2).
Change 1