User Manual

SECTION 7 MAINTENANCE AND SERVICING

169000 / 169040 170 Revision E

j. Remove three flanged lock nuts (M) that secure

gearbox (N) to header endsheet, and remove

gearbox.

7.13.13 Gearbox Installation: A40-D

a. Position gearbox (N) (as shown above) picking

up the three holes in the endsheet.

b. Install three flanged locknuts (M), but do not

tighten.

c. Position channel (L), picking up the three holes

in the endsheet.

d. Install bolts at (J) in the lower two holes, and bolt

and nut (K) in the upper hole, and tighten.

e. Tighten hardware.

f. Install drive pulley (G) as follows:

1. Slide pulley (G) onto shaft with key.

2. Install tapered bushing (H) onto the shaft,

ensuring holes are aligned with holes in

pulley.

3. Align faces of pulley (G) and countershaft

pulley (O) to within .06 in. (1.5 mm).

4. Install three bolts in tapered bushing (H),

and tighten to 18 ft·lbf (25 N·m).

5. Tap bushing and re-torque. Repeat until

bolts no longer turn at 18 ft·lbf (25 N·m).

g. Position belts (F) on pulleys (G) and (O).

h. Turn adjuster bolt (E) to move pulley (G) until a

force of 8–12 lbf (35–50 N) on each belt at

mid-span deflects the belt (F) 0.16 in. (4 mm).

i. Tighten jam nut at (E), and three nuts (D).

j. Slide upper roll driveline onto gearbox as shown.

Install and tighten two bolts and nuts (S).

Torque to 75 ft·lbf (102 N·m).

k. Attach lower roll driveline flange onto gearbox

flange using four bolts and nuts (T).

(continued next page)