TM 1-1740-221-13&P&P
FIELD MAINTENANCE
TEMPERATURE SENDING UNIT (TRANSMISSION)
INITIAL SETUP:
Personnel Required
Test Equipment
91B, Light Wheel Vehicle Mechanic
Multimeter (WP 0157, Item 14)
References
Tools and Special Tools
General Mechanic Tool Box (WP 0157, Item 24)
Materials/Parts
Equipment Condition
Tape, Anti-Seize (WP 0156, Item 50)
Engine Shut Down
INSPECTION
Inspect temperature sending unit for security (no leaks), wiring for breaks, connector for security and component
for damage affecting serviceability.
END OF TASK
TEST
NOTE
Transmission temperature sending unit is located on top and front of transmission housing.
1.
Remove terminal nut (Figure 1, Item 1).
2.
Remove wire (Figure 1, Item 2).
3.
Ohms test sending unit from the stud (Figure 1, Item 2) to ground.
4.
Resistance should measure, 2.5 K ohms nominally.
5.
Replace temperature sending unit if ohms test fails.
END OF TASK
REMOVAL
WARNING
The use of Personal Protective Equipment (PPE) is required when using or handling hazardous
materials associated with operating and maintaining equipment (jet fuel, hydraulic luid, brake
luid, ethylene glycol, cleaning solvents, compressed air, and engine/axle oil). Failure to use
PPE when handling these materials could result in injury or death.
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