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TM 10-4320-311-14
4-21. Inspect/Replace Crankcase Oil Heater.
This task covers:
a.
Inspection
b.
Removal
c.
Installation
INITIAL SETUP
Tools
Equipment
Condition
Tool Kit, General Mechanics (Item 1,
Para
Appendix B, Section III)
2-9
Intervehicle power cable removed.
Multimeter (Item 2,
Appendix B, Section III)
4-16
Sound enclosure cover assembly
removed.
Figure 4-23. Crankcase Oil Heater
INSPECTION/TEST: Refer to Figure 4-23.
a.
Inspect the crankcase oil heater for damage. Replace if damaged.
b.
With the electrical source disconnected, test the oil heater for continuity. Replace if damaged
REMOVAL:
a.
Locate terminal block (1) at lower right rear of frame (2).
b.
Observe and tag the locations of the wire leads secured to terminals 5 and 6 of terminal block (1).
c.
Remove two screws (3) securing oil heater wire leads (4) to terminals 5 and 6 of terminal block (1).
d.
Pull oil heater wire leads (4) through air intake baffle grommet.
e.
Unscrew oil heater (5) from engine crankcase (6).
4-43
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