TM-9-2320-272-23-1

TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)

TECHNICAL MANUAL; FIELD MAINTENANCE MANUAL; VOLUME 1 OF 5

SEPTEMBER 2012

TM-9-2320-272-23-1 - Page 652 of 1313

FIELD MAINTENANCE

PTO EXCESSIVELY NOISY

INITIAL SETUP:

Tools and Special Tools

Tool Kit, General Mechanic's: Automotive

(Volume 5, WP

0826, Table 1, Item 56)

Personnel Required

(2)

References

Point to Point Schematics

References (cont.)

Volume 4, WP

0713

Volume 4, WP

0714

Volume 5, WP

0820

Equipment Condition

Vehicle parked and engine shut down.

(TM

9-2320-272-10)

TROUBLESHOOTING PROCEDURE

PTO EXCESSIVELY NOISY

NOTE

Conduct these malfunction tests if there is excessive noise at the transmission or transfer

case power takeoff. This procedure will check universal joints for proper lubrication and

propeller shafts for bends.

TM 9-2320-272-23-1

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0067-1