TM-9-2320-272-10
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; OPERATOR'S MANUAL
SEPTEMBER 2004
CHANGE 2
TM-9-2320-272-10 - Page 269 of 481
TM 9-2320-272-10
2-160
.
WARNING
.
Have crewmember support raised floor panel when operator turns
hinged roof lock handle. Floor panel may fall, resulting in injury or
death.
NOTE
Push open roof and floor panel from inside van only.
(8)
Turn hinged roof lock handle (10) (marked D) counterclockwise to unlock
roof panel (3) and floor panel (4).
(9)
From inside van, push hinged roof (3) and floor panel (4) outward, step out
onto floor panel (4) and lift roof panel (3) until swivel hooks (8) (marked E) can be
turned at right angles. Support hinged roof (3) on three swivel hooks (8).
(10)
Slide end panel bolt (15) (marked F) into corner post guide (14).
(11)
Crank both sides (1) in with ratchet wrench (17) until swivel eyes (7) on tog-
gle clamps (9) (marked G) on van roof (3) can be attached to swivel hooks (8). Left ratchet
(16) is turned clockwise to retract left side of van. Right ratchet (18) is turned counter-
clockwise to retract right side of van.
(12)
Pull side panel (2) straight by partially closing toggle clamps (9). While
doing this, push up on hinged roof (3) and out on end panel (1) to ensure seal alignment.
(13)
Stand on hinged floor panel (4) to relieve any binding.
(14)
Adjust left ratchet (16) and right ratchet (18) to ensure a tight seal.
(15)
Close three toggle clamps (9) on each side (2), closing the center clamp
first.
(16)
Remove side swing rod (6) from retaining clip (11). Swing rod (6) down
and engage end of swing rod (6) with lock handle assembly (12). Push assembly
closed and secure with chained pin (13). Repeat procedure at all four van corners.
NOTE
Make sure sliding end panel bolts are fully extended into cor-
ner post guides.
(17)
Set up van as applicable:
(a)
Mount ladders (5) to rear and/or side doors.
2-27. OPERATION OF EXPANSIBLE VAN TRUCK (Contd)
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