(1) Remove engine speed sensor (para 7-38).
(2) Observe lower end of engine speed sensor
for damage caused by contact with engine
ring gear.
(3) If engine speed sensor is damaged, replace
engine speed sensor (para 7-38).
(4) Install engine speed sensor (para 7-38).
(5) Adjust engine speed sensor (para 7-38).
(1) Perform STE/ICE-R test #10.
(2) Position PTO switch to on (TM 9-2320-365-
10).
(3) Observe if STE/ICE-R test #10 results and
tachometer reading are in agreement.
(4) Position PTO switch to off (TM 9-2320-365-
10).
(5) Shut down engine (TM 9-2320-365-10).
(6) If STE/ICE-R test #10 and tachometer
reading are not in agreement, go to step 4
of this fault.
Change 1 2-351
TM 9-2320-365-20-1