Ariens Power Brush 36 Owners Manual - Page 21

Adjust the Attachment Clutch Cable Spring Extension 1. Check the attachment clutch cable spring extension. Measure the length of the attachment clutch cable spring with the clutch lever disengaged. Then measure the attachment clutch spring with the clutch lever engaged. See Figure 14. • If spring extension is within the specified range, go to Check Belt Finger Clearance on page 21. • If spring extension is outside of specified range, go to step 2. 2. To adjust belt finger, loosen the bolts and move the finger to the proper position. Tighten the bolts and recheck the belt finger clearance. 3. Replace the belt cover. 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 2 7/16 - 9/16 in. (11.1 -- 14.3 mm) Figure 14 OS7185 OS7190 2. Adjust attachment idler position. See Figures 12 and 13. a. Remove the belt cover. b. Loosen idler adjustment nut. c. To increase spring extension, move idler closer to belts and tighten adjustment nut. Return to Step 1. d. To decrease spring extension, move idler away from belts and tighten adjustment nut. Return to Step 1. e. Install the belt cover. Check Belt Finger Clearance With clutch lever engaged, the belt finger located opposite the belt idler must be less than 1/8 in. (3 mm) from belts, but not touching the belts. See Figure 15. 1. Remove the belt cover. 1 OS7196 1. Mounting Hardware 2. Belt Finger Figure 15 TRACTION DRIVE CLUTCH ADJUSTMENT If drive slips, adjust traction clutch to compensate for friction disc wear. To adjust traction clutch: 1. Place speed selector in fastest forward speed. 2. Measure the length of the traction drive clutch spring at the top of the traction cable. See Figure 16. 3. Engage and hold the traction drive clutch lever and measure the spring again. The spring should be 1/2 - 11/16 in. (12.7 - 17.5 mm) longer when the lever is engaged. 4. Adjust spring extension. a. With the traction drive clutch lever disengaged, loosen the jam nut on the cable adjuster. b. Turn the adjuster body up the cable for more spring extension. c. Turn the adjuster body down the cable for less spring extension. GB - 21