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 265 of 1417

G02: FIRST PEAK TEST– STARTER CURRENT - Continued

STEP

3.

Check if first peak current is within specification.

a.

Compare first peak current test results to table below.

VEHICLE

FIRST PEAK CURRENT

M939

800 - 1,400 AMPS

M939A1

1,700 - 1,800 AMPS

M939A2

1,195 - 1,662 AMPS

b.

Reset fuel shut off valves.

CONDITION/INDICATION

Is first peak current reading within specification?

DECISION

YES - Perform G03: Engine Start – Lubrication Check. (WP

0190)

NO - Perform NG80: Starter Circuit Tests. (WP

0202)

END OF WORK PACKAGE

TM 9-2320-272-23-2

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