TB 43-0213
Section Il. DRILLING AND CLEANING PROCEDURES
7-2.
Drilling Procedures.
NOTE
Unless otherwise indicated, all holes should
be sight drilled and should be 1/2 inch
(1.3 cm) in diameter.
drilling instructions.
b. Drilling Cab Doors (see Figure 7-2).
(1) Enlarge two holes C and D to 1/2 inch
(1.3 cm) in the bottom of each door. Holes B and E are
existing holes.
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Figure 7-3. Drilling Cab Sills.
d. Drilling Windshield Frame (see Figure 7-4).
Drill a total of 10 holes in the windshield frame.
(1) Drill three holes A, one at the top of each
vertical channel. At a distance of 18 inches (45.7 cm)
to the left and the right of the center hole A, drill two
more holes A.
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Figure 7-2. Drilling Cab Doors.
(2) Cut four n o t c h e s A in the bottom
weatherstrip of each door. Notches should coincide
with holes B, C, D, and E.
c. Drilling Cab Sills (see Figure 7-3). Drill three
holes A, B, and C in each cab sill. Hole A is drilled 10
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inches (25. 4 cm) forward of hole B. Hole C is drilled
Figure 7-4. Drilling Windshield Frame.
10 inches (25.4 cm) to the rear of hole B.
7-2
