TM-9-2320-272-23-2
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 2 OF 5
SEPTEMBER 2012
TM-9-2320-272-23-2 - Page 326 of 1417
NG90: GOVERNOR/POWER TEST FAULT ISOLATION - Continued
STEP
3.
Install transducer and perform offset.
a.
Stop vehicle engine.
b.
Remove plug on transfer pump.
c.
Install blue stripe TK pressure transducer in place of plug on transfer pump.
d.
Connect P1 of transducer cable W4 to J1 or J2 on VTM.
e.
Connect P2 of transducer cable to connector on pressure transducer.
f.
Dial 50 into TEST SELECT.
g.
Press and hold TEST until CAL message appears on display.
T0027DAA
Figure 1.
CAL Prompting Message.
h.
Release TEST.
i.
Wait for offset value to appear on display.
CONDITION/INDICATION
Is offset value within limits -150 to +150?
DECISION
YES - Go to Step (4).
NO - Proceed to TM 9-4910-571-12&P for offset fault isolation.
TM 9-2320-272-23-2
0204
0204-3
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