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Aligning the Pulleys
1. Remove the divider plate; refer to
Divider Plate (page
2. Place a straightedge across the face of the motor pulley
and the idler pulley
1
3
Figure 40
1. Motor pulley
2. Idler pulley
3. Straightedge
Note: Both pulleys must be aligned flush with the
straightedge.
3. If the pulleys are not aligned do the following:
A. Move the clutch lever to the O
B. Loosen the locknuts and setscrews that secure the
idler pulley to the idler shaft
C. Using a soft-face mallet, tap the idler pulley
forward or backward along the idler shaft until
the motor pulley and the idler pulley are aligned
to the straightedge
D. Tighten the setscrews and locknuts that secure the
idler pulley to the idler shaft
4. Install the divider plate; refer to
Plate (page
23).
Removing the
22).
(Figure
40).
2
4
5
6
4. Idler shaft
5. Locknut
6. Setscrew
position.
FF
(Figure
40).
(Figure
40).
(Figure
40).
Installing the Divider
Drive Chain Maintenance
Checking and Adjusting the
Drive Chain
Service Interval: After the first 10 hours
Every 50 hours
The drive chain should have 5 to 10 mm (7/32 to 13/32 inch)
of flex when applying 6.8 kg (15 lb) of pressure at mid-span.
Checking the Drive-Chain Tension
1. Remove the divider plate; refer to
Divider Plate (page
2. Place a straightedge along the chain from 1 sprocket
to the other
1
g020667
1. Flex of 5 to 10 mm (7/32 to 13/32 inch)
3. With your finger, push on the chain with 6.8 kg (15 lb)
of pressure, midway between the sprockets
4. Measure the distance from the chain to the straightedge;
the distance should be 5 to 10 mm (7/32 to 13/32
inch). If the chain tension needs adjustment, refer to
Adjusting the Drive-Chain Tension (page
5. Install the divider plate; refer to
Plate (page
Adjusting the Drive-Chain Tension
Note: Adjusting the tension of the drive chain affects the
tension of the belts; adjust the belt tension after adjusting
the drive-chain tension.
1. Remove the divider plate; refer to
Divider Plate (page
2. Loosen the nuts and bolts that secure the pillow-block
bearings for the idler pulley
28
Removing the
22).
(Figure
41).
Figure 41
Installing the Divider
23).
Removing the
22).
(Figure
42).
G021606
(Figure
41).
28).
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