Operator's Manual

Figure 27

1. Check plug

2. Fill plug

Torque Set Screws

After the first 10 hours of operation, and every 50

hours thereafter, torque the set screws securing the

taper lock bushings to driven pulleys to 37 ft. lbs. (50

N-m) (2 each pulley) (Fig. 28). Torque the set screws

securing drive shafts to gear box shafts to 20-25 ft.

lbs. (26-32 N-m) (4 each side) (Fig. 29).

Figure 28

1. Bushing set screws

Figure 29

1. Drive shaft set screws

Adjusting Belt Tension

Make sure belts are properly tensioned to assure

correct operation of unit and unnecessary wear.

1. Proper belt tension is attained by compressing the

idler spring to a length of 3 inches (76 mm).

2. To adjust belt tension, proceed as follows:

A. Loosen the jam nut securing the idler tube to

the tensioner arm (Fig. 30).

Figure 30

1. Idler spring boot

2. Jam nut

3. Idler tube

4. Bottom guide tube groove

B. Rotate the hex on top of the idler tube until

the bottom of the rubber boot is between the

two grooves in the guide tube. At this

position, the spring will be compressed to a

length of 3 inches (76 mm).

C. Tighten the jam nut.

Replacing Belts

1. Loosen the jam nut securing the idler tube to the

tensioner arm (Fig. 31).

2. Rotate the hex on top of the idler arm until all