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 375 of 1417
Table
1.
Field Preventive Maintenance Checks and Services - Continued.
ITEM
NO.
INTERVAL
ITEM TO BE
CHECKED OR
SERVICED
PROCEDURE
EQUIPMENT
NOT READY/
AVAILABLE IF:
40
Semiannual
Special Body
Items
a.
For M927/A1/A2 and M928/A1/A2 model
vehicles, lubricate propeller shaft center bearing every
3,000 mi (4,800 km) or 3 months, whichever occurs
first (Volume 5, WP
0820).
WARNING
Support weight of dump body on safety bra-
ces when performing maintenance on hoist
mechanism with dump body in raised posi-
tion. Failure to comply may result in injury or
death to personnel.
b.
For M929/A1/A2 and M930/A1/A2 model
vehicles:
(1)
Lubricate safety latch, lifting arm, cylinder
crosshead, body hinge pins, lifting arm rollers, and
trunnion pins every 3,000 mi (4,800 km) or 3 months,
whichever occurs first (Volume 5, WP
0820).
(2)
Lubricate tailgate bearings every 1,000 mi
(1,600 km) or monthly, whichever occurs first (Volume 5,
WP
0820).
c.
For M931/A1/A2 and M932/A1/A2 vehicles:
(1)
Lubricate bushing pins, coupler jaw pin, and
walking beam every 1,000 mi (1,600 km) or monthly,
whichever occurs first (Volume 5, WP
0820).
(2)
Lubricate lock plunger shaft every 1,000 mi
(1,600 km) or monthly, whichever occurs first (Volume 5,
WP
0820). Unwind entire cable; soak and clean and
soak and soak with OE/HDO 30. Wipe off excess and
coat cable and drum with lubricating oil before rewinding
(TM
9-2320-272-10). If operation is frequent,
continuous, or under severe conditions, service weekly.
(3)
Lubricate hoist cable sheaves, boom hinge pins,
boom cylinder pins, boom sheave pins, block sheave
pins, block hook, cable guide rollers, boom winch drum
shaft bearings, and turntable gear every 3,000 mi
(4,800
km) or 3 months, whichever occurs first (Volume
5, WP
0820). If operation if frequent, continuous, or
under severe conditions, service weekly. Rotate
turntable through full range of travel while lubricating
turntable gear.
TM 9-2320-272-23-2
0207
0207-40
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