M1070 HET ARMOR KIT
a. Raise and hold lower wheel well panel assembly firmly against cab frame rail surfaces and push
90-degree joiner bracket firmly against bottom cab frame rail surfaces. (Clamp down to hold in position.)
Torque locknuts on 90-degree joiner bracket to 23 lb-ft.
The following procedure is used for each of the holes shown in Figure 3-27.
b. Place drill bushing (1) into hole in lower wheel well panel.
c. Drill through first wall of cab frame rail using a short ∅5/16-inch drill bit.
d. Remove drill bushing and enlarge hole-size in first wall of cab frame rail to ∅5/8 inch.
e. Install drill bushing (2) into hole and drill a hole through second wall of cab frame rail using a long
∅5/16-inch drill bit.
Remove drill bushing and enlarge hole in second wall of the cab frame rail using a long ∅3/8-inch drill