4 King pin locking plate (8)
1 Screw, cap, hex-hd, 1/2-13 x 1 in. (4)
5 Hydraulic boom assembly
2 Screw, cap, hex-hd, 1/2-13 x 1 1/2 in. (2)
6 Boom base assembly
3 Washer, lock, 1/2 in. (6)
Note. Before installing the boom base assembly,
clean and flush the hydraulic reservoir, clean the suc-
tion oil filter and magnetic plug, and replace the re-
turn line oil filter as described in Chapter 3, Section
Complete Traction Drive
Note. The procedure for both complete traction
drives is identical. Only the orientation is different.
The following procedure and illustrations cover only
the left (roadside) traction drive.
(1) Disconnect the air piping fittings at
the traction drive, propelling air mo-
and lock washers (2) from the hous-
ing flange of traction unit (6).
(3) Slide complete traction drive (4),
with studs (3) attached, out of the
traction unit housing and the mount-
ing holes in the main frame.
Magnetick drain plug, 3/4-16
plete traction drive.
Scxrew, cap, hed-hd, 1-8 x 2 1/4 in. (2)
ing connections required.
Screw, cap, hes-hd, 1-8 x 3 1/4 in. (3)
Nut hex, 1-8 (3)
Washer, lock 1 in. (5)
Boom base assembly
a. General. The auxiliary items for the pneu-
matic drill consist of the tool box, the tools
provided in the box, drill shank pieces, and
instruction and identification plates.
(11), and lock washers (12), and re-
b. Removal.. Normally removal is required
move the tool box from the frame.
only if parts are damaged. The only items re-
(2) To remove damaged plates, remove
quiring removal are the tool box and instruc-
the four drive screws (1) holding the
tion and identification plates.
(1) To remove the tool box, open the lid
and remove any tools within the box.