A. Vehicle Preparation (Figures A.1, A.4, and A.6)
A.1 Lift the dump bed. See fig. A.1.
A.2 Remove seat back and save bolts and washers for later re
-
installation in step E.8.
A.3 Remove the metal seat back supports from the seat back sup
-
port plate. Save hardware for re
-
installation in step E.7.
A.4 Install a
5/16”
flanged nut onto the threaded shaft of each of
the two rubber bed bumpers (with the flanged side of the nut
facing away from the bonded rubber bumper end). Per fig
-
ure A.4, install bed bumpers in bottom of dump bed as shown.
Set bed bumpers to appropriate height. Adjust height of bed
bumpers as needed to ensure proper bed latching.
A.5 Remove the two bolts holding the wear plate to the floor board
on each side. Discard this hardware.
A.6 Remove access door and hinge for oil dip stick and save door
and hinge for later reinstallation. Discard the bolts and locknuts
if using rivets to reinstall access door. (ref.: remove the four
bolts shown in figure A.6) (gas models MPT/IND 1200 only).
B. Position Side Frames (Fig. B.)
B.1 With the aid of an assistant, install the side frames to the
existing holes in the vehicle floor (ref.: step A.5). Use
1/4”
-
20
x
1
-
1/4”
bolts, flat washers under bolt heads only, and nylon
locknuts.
C. Install Rear Brace (Fig. C.)
C.1 Align the holes in the rear brace with the holes in the
mounting tabs on the side frames and install
5/16”
x
3/4”
carriage bolts, flat washers, and nylon locknuts through the
rear
-
facing holes only.
D. Installing Rear Mounts (Fig. D.)
D.1 Bolt the horizontal flange of each rear mount to each of the
side frames using one
5/16”
x
3/4”
carriage bolt, flat washer,
and nylon locknut as shown.
page 3 of 11
Fig. A.1
Fig. B.
Fig. C.
5/16”
bolt
horizontal
flange
Fig. D.
vertical
flange
side
frame
4 bolts
Fig. A.6
rubber bumper
Fig. A.4
rear brace
side frame