SERVICE AND ADJUSTMENTS
WARNING: AVOID INJURY. Read and understand Maintenance and Service/Fuel Safety Rules before proceeding.
ATTACHMENT DRIVE BELT REPLACEMENT
Remove old attachment drive belt:
1.Shut off engine, remove key, disconnect spark plug wire and allow unit to cool completely.
2.Remove belt cover (Figure 4a, 4b).
3.If equipped with chute crank, remove spring clip from chute crank and remove chute crank.
4.Remove hardware securing chute support bracket (and chute crank support, if equipped). Remove discharge chute (Figure 4a, 4b).
5.Remove attachment drive belt from engine sheave (it may be necessary to turn engine sheave using recoil starter handle) (Figure 7).
CAUTION: Always support
6.Support
7.Loosen bottom cap screws securing auger/impeller housing to frame (Figure 8).
8.Remove top cap screws.
9.Push down on handlebar. Unit will separate. Rest handlebar on the floor.
10.Remove belt from attachment pulley (hold brake away from belt).
Install new attachment drive belt:
1.Place new attachment belt onto attachment pulley.
2.Engage clutch bail to hold brake out of the way and tip unit back together. Secure with cap screws.
3.Place belt onto engine sheave.
4.Make sure engine sheave and attachment pulley align. If alignment is necessary, loosen attachment pulley set screws, reposition pulley and tighten set screws.
5.Reposition and secure belt fingers.
IMPORTANT: Make sure belt fingers are 1/16 in to 1/8 in
6.Check clutch adjustment. See Attachment Clutch/Brake.
WARNING: AUGER / IMPELLER MUST STOP within 3 seconds when attachment clutch lever is released or unit damage or serious injury may result.
7.Replace discharge chute (and crank, if equipped).
8.Replace belt cover.
8 | 1 | |
2 | ||
7 | ||
| ||
6 |
| |
| 3 | |
5 | 4 | |
OS1820 | ||
| 1. Engine Sheave | |
| 2. Attachment Pulley | |
| 3. Idler Adjustment Nut | |
| 4. Attachment Belt | |
| 5. Brake Shoe | |
| 6. Attachment Brake | |
| 7. Idler Pulley | |
| 8. Belt Finger | |
| Figure 7 |
GB - 18
