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 596 of 1313

FIELD MAINTENANCE

HARSH OR HARD RIDE

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 3, WP

0535

Volume 3, WP

0543

Volume 5, WP

0820

Equipment Condition

Vehicle parked and engine shut down.

(TM

9-2320-272-10)

TROUBLESHOOTING PROCEDURE

HARSH OR HARD RIDE

NOTE

Conduct these malfunction tests when a harsh or hard ride is evident. This procedure will

check for improper lubrication of springs, pivots and shackle pins, frozen spring shackles and

defective shock absorbers.

TM 9-2320-272-23-1

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0057-1