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GB - 34
Install new attachment drive belts:
1. Place new attachment belts onto
attachment pulley.
NOTE: Holding down the attachment clutch
lever will make it easier to reconnect the
housing and frame.
2. Tip housing and frame back together
and secure with hex bolts.
3. Place belts onto engine sheave.
4. Reposition and secure belt fingers.
IMPORTANT: With clutch lever engaged, belt
finger on the side opposite the belt idler
should be less than 1/8 in. (3 mm) from belts,
but not touching the belts. Adjust belt finger
as necessary.
5. Check adjustment. See Check Belt
Finger Clearance on page 32.
6. Reconnect chute crank and secure with
spring clip. Reconnect chute lock cable
and deflector cable.
7. Replace belt cover.
TRACTION DRIVE BELT
REPLACEMENT
NOTE: Replacement will be easier with
housing and frame tipped apart and bottom
cover off.
1. Remove attachment drive belts (see
Attachment Drive Belts Replacement on
page 33).
2. To gain belt clearance, back out the stop
bolt from the frame until the drive plate
assembly can swing past it (Figure 42).
3. Pull idler away from traction drive belt
and remove belt from idler pulley, engine
sheave and driven pulley (it may be
necessary to turn engine pulley using
recoil handle).
4. Install new traction drive belt onto
attachment pulley and engine sheaves.
5. Pull the drive plate assembly toward the
friction disc and tighten the stop bolt.
NOTE: Make sure the drive plate assembly
return spring remains connected to the frame.
6. Replace attachment drive belts
(Attachment Drive Belts Replacement
on page 33.
FRICTION DISC REPLACEMENT
1. Place unit into service position.
2. Remove bottom cover by removing six
hex bolts.
3. With axle locked, hold one wheel so
friction disc will not rotate and remove
three cap screws holding friction disc to
carrier.
4. Remove both wheels.
5. Remove right and left bearing flanges
from frame.
6. Slide hex shaft to the left enough to
remove pinion sprocket from hex shaft.
7. Slide hex shaft to the right enough to
remove friction disc.
8. Slide new friction disc onto hex shaft.
Figure 40
1. Pivot Pin
2. Housing Cap Screws
3. Belt Cover
2
3
1
OS7215
Figure 41
1. Traction
Drive Belt
2. Engine
Sheave
3. Attachment
Drive Belts
4. Belt Finger
5. Attachment
Belts Idler
6. Attachment
Pulley
7. Attachment
Idler
Adjustment
Nut
8. Traction Belt
Idler
9. Traction
Drive Pulley
OS7221
1
2
3
4
5
8
9
6
7
WARNING: AUGER / IMPELLER
MUST STOP within 5 seconds
when attachment clutch lever is
released or unit damage or serious
injury may result.