ATTACHMENT CLUTCH/BRAKE ADJUSTMENT
(Figures 21 and 22)
IMPORTANT: 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.
1.Remove belt cover.
2.Check belt alignment (Figure 24).
Engine sheave and attachment pulley must align vertically. Also, belt must be centered in the idler pulley.
To align, move attachment pulley:
a.Loosen set screws.
b.Slide pulley and key to desired position.
c.Tighten set screws.
3.Install belt cover.
4.Adjust cable slack.
IMPORTANT: The belt cover must be installed and the clutch cable must be slack when the lever is disengaged.
a.With clutch lever disengaged, loosen jam nut on cable adjuster.
b.Turn adjuster body to remove all slack from the cable. Do not stretch spring or move lower clutch arm.
c.Turn back the adjuster body 5 turns (approximately 1/4 in. or 6 mm). Finger tighten jam nut.
d.Hold adjuster body with pliers and tighten jam nut with wrench.
5.Check spring length.
a.Measure the length of the clutch cable spring.
b.Engage and hold the attachment clutch lever.
c.Measure the length of the spring again. The spring should be
7/16
6.Adjust spring length.
NOTE: Approximately 1/8 in. (3 mm) movement of the idler will change spring extension by 1/8 in. (3 mm).
a.Loosen the idler adjustment nut.
b.To increase spring extension, move idler towards belt (Figure 24).
c.To decrease spring extension, move idler away from belt.
d.Tighten idler adjustment nut.
7.Place unit in service position. Remove bottom cover by removing four cap screws.
8.Check brake.
When the clutch lever is disengaged, the brake must contact attachment belt.
When the clutch lever is engaged, the brake must be more than 1/16 in.
(1.6 mm) away from the belt (Figure 22).
9.Repeat steps 4 – 7 until:
Spring stretch and brake contact are correct.
10.Check belt finger clearance (Figure 24).
With clutch lever engaged, belt fingers should be 1/16 – 1/8 in. (1.6
11.Replace bottom cover.
9 10
8 | 6 | 5 | 4 | 3 | 2 |
7 | 1 | ||||
1.Attachment |
| 6.Shift Arm |
| ||
Clutch Cable |
| 7.Cotter Pin and | |||
2.Cable Adjuster |
| Washer |
| ||
3.Jam Nut |
| 8.Adjustment Nut | |||
4.Clutch Cable |
| 9.Traction Drive | |||
Spring |
|
| Clutch Cable | ||
5.Lower Clutch Arm | 10.Shift Rod |
| |||
Figure 21 |
|
| OS3040 | ||
GB - 24