TM 10-3930-641-20
ELECTRICAL SYSTEMS TROUBLESHOOTING (CONT)
(Sheet 1 of 3)
PROBLEM NO. 19
INDICATOR LIGHTS
NO COOLANT FLOW REMAINS ON
Engine running. WATER TEMP gage shows NORMAL temperature. POWER switch is ON.
NOTE
The warning horn behind the operator's seat wili be sounding, however, the problem is not
in that circuit.
TROUBLESHOOT COOLANT FLOW CIRCUIT
This circuit uses a normally closed paddle switch which opens when coolant flows against the paddle. When the switch closes, the indicator light
comes on and the horn blows.
NO COOLANT INDICATOR CIRCUIT
