Gravely Power Brush 36 Owner's/Operator's Manual page 24

2. To gain belt clearance, back out the stop
screw from the frame until the drive plate
assembly can swing past it (Figure 15).
3. Pull idler away from traction drive belt
and remove belt from engine sheave. It
may be necessary to turn engine pulley
using recoil handle (Figure 16).
2
1. Attachment Drive Belts Idler
2. Traction Drive Belt Idler
3. Engine Sheave
Figure 16
4. Remove traction drive belt from drive
plate assembly pulley (Figure 17).
5. Install new traction drive belt onto drive
plate assembly pulley and engine
sheave.
6. Pull the drive plate assembly toward the
friction disc and turn stop screw all the
way in.
7. Replace attachment drive belts (see
Attachment Drive Belts Replacement on
page 23).
FRICTION DISC REPLACEMENT
(Figure 17)
1. Place the unit into the service position
2. With axle locked, hold one wheel/tire so
3. Remove both wheel/tires.
4. Remove two spring clip pins from hex
3
NOTE: Bearings are retained by flanges.
5. Remove right and left bearing flanges
6. Slide hex shaft to the left enough to
NOTE: Outside bearing will fall free from hex
shaft.
7. Slide hex shaft to the right enough to
8. Slide new friction disc onto hex shaft.
9. Slide hex shaft to the left and install
1
10. Slide hex shaft to the right until centered
11. Install both wheel/tires.
12. Hold wheel/tire so friction disc will not
13. Place unit into the operating position
14. Adjust traction drive clutch (See Traction
GB - 24
(See Service Position on page 16).
friction disc will not rotate and remove
three self-tapping screws holding friction
disc to carrier.
shaft.
from frame.
remove pinion sprocket from hex shaft.
remove friction disc.
pinion sprocket and chain on hex shaft.
in frame and install bearings on shaft
ends and retain with bearing flanges.
rotate and secure new friction disc to
carrier with three self-tapping screws.
(See Operating Position on page 17).
Drive Clutch Adjustment on page 23).