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TM 10-4320-324-14
4-55. Oil Sending Unit Replacement.
This task covers:
a.
Testing
b.
Removal
c.
Installation
d.
Follow-on Maintenance
INITIAL SETUP:
Tools
Equipment Condition
Tool kit, general mechanics: automotive, item 32,
Engine shut down (para 2-7).
section III, appendix B
Negative battery cable disconnected (para 4-
30).
Multimeter, item 33, section III, appendix B
General Safety Instructions
Materials/Parts
Engine oil is extremely hot when engine is
Gasket - 111-8659
operating. Severe burns may result from
contact with hot oil.
Lockwasher - 111-7861
a.
Testing.
(1) Remove nut (1), flat washer (2) and wire (3).
(2) Connect one lead of multimeter to terminal of oil sending unit (4) and other lead to body of oil sending unit.
(3) Measure resistance. Reading should be between 229 to 243 ohms. If reading does not fall within this range,
replace unit.
NOTE
If oil sending unit is defective, skip to step b.
(4) If oil sending unit is not defective, connect wire (3) with flat washer (2) and nut (1).
4-163
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