TM l0-4130-237-14
4-34.
LOW TEMPERATURE THERMAL SWITCH TEST
This task covers testing only.
INITIAL SETUP
Tools
Equipment
Condition
Condition Description
Para
4-8
Engine stopped, power
disconnected, fuel line
disconnected, muffler and
housing removed.
Tools
Common No. 1 Organizatioal
Maintenance Automotive
Maintenance and Repair
Shop Eqpt, item 2
appendix B
1 Check that water supply temperature is above 65°F (18°C).
2 Locate two wires which run from low temperature thermal switch where they exit skid.
3 Place multimeter red lead on one wire. Place black lead on other wire. Multimeter should show more
than 1 ohm.
4 If multimeter does not show more than 1 ohm, notify direct support to replace switch.
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