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 514 of 1313

FIELD MAINTENANCE

EXCESSIVE VIBRATION

INITIAL SETUP:

Tools and Special Tools

Tool Kit, General Mechanic's: Automotive

(Volume 5, WP

0826, Table 1, Item 56)

Wrench, Torque, Click, Ratcheting, 3/8" Drive,

75 Ft-Lb

(Volume 5, WP

0826, Table 1, Item 62)

Personnel Required

(2)

References

Point to Point Schematics

References (cont.)

Volume 3, WP

0401

Volume 3, WP

0402

Volume 5, WP

0820

Equipment Condition

Vehicle parked and engine shut down.

(TM

9-2320-272-10)

TROUBLESHOOTING PROCEDURE

EXCESSIVE VIBRATION

NOTE

Conduct these malfunction tests if there is excessive vibration from transfer case. This

procedure will check for proper transfer case fluid level and proper torque of yoke and

companion flange screws.

TM 9-2320-272-23-1

0043

0043-1