Gravely Power Brush 36 Owner's/Operator's Manual page 23

Check belt finger clearance here. With the
attachment clutch engaged, there should
be less than 1/8 in. (3 mm) clearance
between the belts and the belt finger. The
belt finger should not touch the belts.
1
1. Mounting Hardware
2. Belt Finger
Figure 14
TRACTION DRIVE CLUTCH
ADJUSTMENT
(Figure 15)
If drive slips, adjust traction clutch to
compensate for friction disc wear.
To adjust traction clutch:
1. Loosen jam nut on traction cable
adjustment barrel. Turn the adjustment
barrel down to shorten cable and
remove all cable slack.
2. With the traction clutch disengaged
check that the drive plate assembly
lightly touches to stop screw inside the
frame (Figure 15).
ATTACHMENT DRIVE BELTS
REPLACEMENT
1. Place the unit into the service position
(See Service Position on page 16).
2. Using new attachment drive belts , place
unit into the operating position (See
Operating Position on page 17).
TRACTION DRIVE BELT
REPLACEMENT
2
(Figure 15 and 16)
1. Remove attachment drive belts (See
Attachment Drive Belts Replacement on
page 23).
NOTE: Make sure the drive plate assembly
return spring remains connected to the frame.
Some components removed for clarity
of illustration.
1
8
5
7
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
10.Drive Plate Assembly Stop Screw
GB - 23
WARNING: ALWAYS remove
key and-or wire from spark plug
before assembly, maintenance
or service. Unintentional engine
start up can cause death or
serious injury.
Figure 15
4
2
3
10
9
6