TM 1-1740-221-13&P&P
FIELD MAINTENANCE
TEMPERATURE SWITCH (COOLANT)
INITIAL SETUP:
Test Equipment
References
Multimeter (WP 0157, Item 14)
Tools and Special Tools
General Mechanic Tool Box (WP 0157, Item 24)
Equipment Condition
Materials/Parts
Engine stopped and cool
Tape, Anti-Seize (WP 0156, Item 50)
Personnel Required
91B, Light Wheel Vehicle Mechanic
INSPECTION
Visually inspect temperature switch for mount security, leaks, wiring for security and corrosion or any damage
affecting serviceability.
END OF TASK
TEST
Temperature Switch Continuity Test
1. Disconnect battery negative cables (WP 0111).
2. Carefully pull wiring lead (Figure 1, Item 3) from switch terminal.
3. Ohms check from terminal stud to ground.
4. Resistance measured should be ininity (normally open switch).
5. Replace switch if continuity is measured.
END OF TASK
00601
