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 686 of 1313

FIELD MAINTENANCE

DUMP BODY WILL NOT LOWER

INITIAL SETUP:

Tools and Special Tools

Tool Kit, General Mechanic's: Automotive

(Volume 5, WP

0826, Table 1, Item 56)

Test Set, Electronic Systems

(Volume 5, WP

0826, Table 1, Item 51)

Personnel Required

(2)

References

Point to Point Schematics

References (cont.)

TM 9-2320-272-10

Volume 4, WP

0720

Equipment Condition

Vehicle parked and engine shut down.

(TM

9-2320-272-10)

TROUBLESHOOTING PROCEDURE

DUMP BODY WILL NOT LOWER

NOTE

Conducting these malfunction tests if dump body does not lower. This procedure will check

for incorrect brace positioning and control valve shaft movement.

TM 9-2320-272-23-1

0075

0075-1