TM 5-4610-218-12
CHAPTER 4
ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
Section I. SERVICE UPON RECEIPT OF MATERIAL
from the carrier in the same manner except that the
4-1. Unloading New Equipment.
cable sling is attached to the van body shackles
a. Unloading by Ramp.
only.
(1) Unloading truck with van. If permanent
(b) Refer to figure 4-3 for attaching in-
ramp is not available, a temporary ramp must be
structions and unload van body.
constructed from the bed of the carrier to the
ground. Make the incline angle as gradual as prac-
NOTE
tical and support the ramp planks by blocking along
Before unloading the van body on the
their lengths to avoid sagging or side slipping.
ground, it is advisable to select a firm
Drive truck off the bed of the carrier and ramp
level site and place 4 pieces of timber 6
under its own power.
x 6 x 60 inches long (16.24 cm x 1.52 m)
on the ground for the van body to rest
CAUTION
on. Place the timbers so they will be
uni formly spaced crosswise under the
Use low gear when driving down
van body.
ramp. A ramp slope of more then 11
(3) Unloading cargo trailer. Refer to figure
degrees will cause damage to the
4-4 and unload cargo trailer.
truck chassis when unloading.
(2) Unloading cargo trailer. If a permanent
WARNING
ramp is not available, a temporary ramp must be
constructed from the bed of the carrier to the
Be sure the crane used has a capacity
ground in the same manner as (1) above.
of at least 3 tons.
b. Unloading with Crane.
4-2. Unpacking New Equipment.
(1) Unloading truck with van body.
a. General. The water purification equipment is
(a) Move the crane into position until the
normally packed in the van body and a cargo trailer
crane hook is over the center of the truck and van
that is supplied as part of the water purification set.
body.
Set the truck chassis hand brakes, leave the trans-
mission in gear, and place wheel chocks behind and
WARNING
in front of the rear wheels. Remove the seals from
the outside door handles. Remove the leveling jacks
Be sure the crane used has a capacity
from the storage rack and place on under each cor-
of at least 12 tons and all safety pre-
ner of the van body. Adjust the jacks until the lev-
cautions are observed.
els (fig. 1-2) indicate the van body is level. Open the
(b) Refer to figures 4-1 and 4-2 for lifting
doors and remove the two entrance ladders (fig. 1-3)
kit attaching instructions.
and position one to the front entrance and the other
to the rear entrance. Open the side panels. Remove
(c) Lift the truck with van body a few
waterproof tarpaulin from the trailer cargo body.
inches off the carrier and check for balance. When
Remove the roof bows and rear body rack, and drop
the equipment is balanced and all obstructions re-
the rear tailgate.
moved, swing it free of the carrier and lower it to
the ground.
b. Unpacking.
(1) Remove the crated chemical supplies from
(2) Unloading van body less truck.
the van body and cargo trailer.
(a) The van body is unloaded or removed
4-1
