Ariens Power Brush 28 Manual page 21

TRACTION DRIVE BELT
REPLACEMENT
NOTE: Brush assembly and frame must be
separated and attachment drive belt removed
from engine sheave in order to change
traction drive belt (Figure 16).
CAUTION: Always support Sno-
Brush frame and brush assembly
when loosening the cap screws
holding them together.
1. Remove attachment drive belt (See
Remove Attachment Drive Belt on
page 19).
NOTE: To gain belt clearance, remove swing
gate spacer (Figure 18) so drive plate can be
slid over until finger is out of frame and drive
plate can swing past stop hole in frame. See
Figure 18.
1
1. Swing Gate Spacer
2. Swing Gate Finger
3. Drive Plate
Figure 18
2
1. Swing Gate
2. Swing Gate Finger
3. Drive Plate
2. Pull idler away from traction drive belt
and remove belt from idler, crankshaft
pulley and driven pulley (it may be
necessary to turn crankshaft pulley
using recoil starter handle).
3. Replace traction drive belt.
4. Swing drive plate toward friction disc to
slide finger into stop hole in frame.
Reinstall swing gate spacer.
NOTE: Make sure drive plate spring remains
connected to the frame and drive plate.
5. Replace attachment drive belt (See
2
Replace Attachment Drive Belt on
page 20).
3
ATTACHMENT CLUTCH/BRAKE
ADJUSTMENT
OS8170
GB - 21
1
Figure 19
WARNING: IMPROPER
ADJUSTMENT could result in
unexpected movement of auger and
impeller causing death or serious
injury. AUGER / IMPELLER MUST
STOP within 5 seconds when
Attachment Clutch/Impeller Brake
Lever is released.
WARNING: Adjustment procedure
requires the engine to be run with the
belt cover off. AVOID INJURY. Read
and understand the entire Safety
section before proceeding.
3
OS8068