WARNING HORN AND ENGINE-XMSN TTEMP-PRESS WARNING LIGHT CIRCUIT.

TM 9-2350-238-20-1

X. WARNING HORN AND ENGINE-XMSN TTEMP-PRESS WARNING LIGHT CIRCUIT.

Step 1.

To access engine oil low-pressure warning switch, open fuel filter access

door. Disconnect lead 509 from engine oil low-pressure warning switch.

Start engine and run at 800 rpm. If warning horn and ENGINE-XMSN

TEMP-PRESS warning light stop operating, stop engine and replace engine

oil low-pressure warning switch. Refer to page 2-626. If warning horn and

ENGINE-XMSN TEMP-PRESS warning light do not stop operating, go to

step 2. Connect lead 509 to engine oil low-pressure switch.

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