Lawn-Boy 28230, Operator'S Manual

Page: 17 / 20

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4. Install new belt around large auger/impeller pulley
(Fig. 25). Next, loop belt over engine pulley, making
sure that belt is on inside of idler pulley and belt guide
(Fig. 25).
664
Figure 25
1. Traction drive belt
2. Auger/impeller drive belt
3. Belt guide
4. Idler pulley
5. Large auger/impeller
pulley
6. Engine pulley
5. Adjust auger drive linkage. Refer to steps 4–6 of
Install Auger Drive Control Linkage, page 8.
6. Reinstall belt cover with (2) screws.
Replacing Traction Drive Belt
When traction drive belt becomes worn, oil-soaked or
otherwise damaged, belt replacement is required.
1. Pull wire off spark plug and make sure it does not
contact the plug accidentally.
2. Drain gasoline from fuel tank. Refer to Draining
Gasoline, page 14.
3. Remove (2) screws holding belt cover in place and set
cover aside (Fig. 24).
4. Remove auger/impeller drive belt from engine pulley
and large auger/impeller pulley (Fig. 25).
5. Tip snowthrower forward and block it so it cannot fall.
6. Remove (4) screws securing bottom cover to frame
(Fig. 25). Remove bottom cover.
7. Disconnect spring from notch in bottom edge of side
plate (Fig. 26).
CAUTION
POTENTIAL HAZARD
•
Spring is under heavy tension.
WHAT CAN HAPPEN
•
Spring could be thrown in operator’s or
bystander’s direction.
HOW TO AVOID THE HAZARD
•
Use caution when removing spring.
650
Figure 26
1. Spring
2. Notch in side plate
3. Large traction pulley
8. Set unit upright and remove traction drive belt from
engine pulley and large traction pulley (Fig. 25).
9. Install new belt around large traction pulley. Next,
loop belt over engine pulley, making sure that belt is
on inside of belt guide (Fig. 25).
10. Tip snowthrower forward and block it so it cannot fall.
11. Hook spring into notch in bottom edge of side plate
(Fig. 26).
12. Replace bottom cover with four screws and set unit
upright.
13. Reinstall auger/impeller drive belt around large
auger/impeller pulley and engine pulley, making sure
that belt is on inside of idler pulley and belt guide
(Fig. 25).
Note: If auger/impeller drive belt is replaced with a
new belt, adjust auger drive linkage. Refer to steps 4–6
of Install Auger Drive Control Linkage, page 8.
14. Reinstall belt cover with (2) screws.