TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
3.
ENGINE HIGH IDLE DOES NOT OPERATE (continued).
HIGH IDLE
SWITCH
OFF
ON
VISUAL INSPECTION
HIGH IDLE
(1) Start engine.
(2) Move cab HIGH IDLE switch
to ON position and observe
engine speed.
(3) Move cab HIGH IDLE switch
to OFF position.
(4) Move remote control HIGH
IDLE switch to ON position
and observe engine speed.
(5) Move remote control HIGH
IDLE switch to OFF
position.
(6) Move remote control cable
to other side of truck and
repeat Steps 4 and 5.
(7) Shut off engine.
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