M1070 HET ARMOR KIT
4. Install cab frame rail sleeve bushings, seat belt assemblies, and grab handle as follows (see Figure 3-21):
The sleeve bushings (1) in the following step are used to keep the cab frame rail
a. Re-install grab handle and seat belt assembly (retained from Teardown, Chapter 2) using one bolt (5), one
bolt (6), two flat washers (7), two flat washers (3), two spacers (8), upper seat-belt assembly (retained
from Teardown, Chapter 2), and two locknuts (9). Torque locknut on bolt (5) to 7 lb-ft. Torque locknut
on bolt (6) to 55 lb-ft.
b. Re-install lower seat-belt retractor (retained from Teardown, Chapter 2), using one bolt (6),
one spacer (8), one flat washers (7), an original washer, and one locknut (9). Torque locknut to 55 lb-ft.
c. Match-drill cab frame rail as described previously (see Figure 3-17)
d. Install four sleeve bushings (1) as shown in Figure 3-22 and secure each with one bolt (2), two flat
washers (3), and one locknut (4). Torque locknuts to 35 lb-ft.
e. Tighten locknut installed in Steps e and f in the previous Step 3 to 23 ft-lb.
Ensure dowel on lower seat bolt retractors is aligned properly with slot (hole) in cab.