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Figure 33 1. Adjustment Barrel 2. Jam Nut 2 OS7182 1 OS7184 Figure 34 OS7194 With the attachment clutch disengaged, check the attachment idler arm position here. The attachment idler arm should lightly touch the frame. GB - 29 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 36. • If spring extension is within the specified range, go to Check Attachment Brake on page 30. • If spring extension is outside of specified range, go to step 2. 2. Adjust cable length (see Figure 36). a. Loosen jam nut on cable. b. To increase spring extension adjust barrel down the cable and tighten jam nut. c. To decrease spring extension adjust barrel up the cable and tighten jam nut. Figure 35 OS7189 Roller should be 1/2 –7/8 in. (12.7 – 22.2 mm) from the frame when the attachment clutch is engaged. Figure 36 OS7183 OS7184 1/2 – 9/16 in. (12.7 –- 14.3 mm) Figure 37 OS7221 1. Engine Sheave 2. Attachment Drive Belts 3. Belt Finger 4. Attachment Belt Idler 5. Attachment Idler Adjustment Nut 1 3 2 5 4 OS7194 GB - 30 Check Attachment Brake See Figure 38. 1. With the clutch lever disengaged, brake pad must contact attachment belts. With clutch lever engaged, brake pad must be more than 1/16 in. (1.6 mm) from belts. If there is more than 1/16 in. (1.6 mm) gap, go to Check Belt Finger Clearance on page 30. If there is less than 1/16 in. (1.6 mm) gap, go to Step 2. 2. If there is less than 1/16 in. (1.6 mm) gap between brake pad and belts, follow these steps: a. To increase brake pad gap, loosen idler adjustment nut, and move idler away from belt. Position idler to achieve a 1/16 in. (1.6 mm) minimum brake pad gap and a 1/2 in. (12.7 mm) minimum gap between the plastic roller and the frame. b. Check the clutch cable spring extension and adjust as necessary to achieve a 1/2 – 9/16 in. (12.7 – 14.3 mm) spring extension. c. If the cable needed adjustment, recheck gaps described in step 2a. Repeat steps as necessary until brake clearance, roller gap and spring extension are within specified ranges. IMPORTANT: If adjustments cannot be brought into specified ranges see your Dealer for repairs. Check Belt Finger Clearance 1. 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. To adjust belt finger, loosen the bolts and move the finger to the proper position. Tighten the bolts and recheck the belt finger clearance. 2. Replace the belt cover. 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 first forward speed. 2. With the engine OFF, push unit forward while slowly moving the traction drive clutch lever toward the handlebar. 3. Measure the distance between the lever and handlebar when the wheels begin to brake. The distance should be 7 – 7-1/2 in. (177.8 – 190.5 mm). See Figure 40. If distance is out of range, adjust the traction clutch. 4. To adjust traction clutch (Figure 41): Figure 38 OS7188 Minimum of 1/16 in. (1.6 mm). 1. Attachment Drive Belt 2. Brake Arm and Pad 3. Attachment Pulley 1 2 3 Figure 39 OS7194 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. Mounting Hardware 2. Belt Finger 1 2 7 – 7-1/2 in. (177.8 – 190.5 mm) Figure 40 OS7206 GB - 31 a. With the traction drive clutch lever disengaged, loosen the jam nut on the cable adjuster. b. Turn the adjuster body up the cable to decrease the distance between the clutch lever and handlebar. c. Turn the adjuster body down the cable to increase the distance between the clutch lever and handlebar. 5. Check the traction clutch lever distance and repeat adjustment steps if necessary. 6. Tighten the jam nut on the traction cable adjustor body. 7. With the clutch disengaged, check that there is more than 1/32 in. (0.8 mm) clearance between friction disc and drive plate assembly (Figure 42). IMPORTANT: If traction clutch cannot be adjusted within specified range, see your Dealer for repairs. ATTACHMENT DRIVE BELT REPLACEMENT Remove old attachment drive belts: 1. Shut off engine, remove key, disconnect spark plug wire and allow unit to cool completely. 2. Remove belt cover and chute gear cover (921004, 006, 007, 008, 009) (Figure 43). 3. Rotate discharge chute all the way to the left (as viewed from the operator’s position). 4. 921004, 006, 007, 008, 009: Remove hair pin under the control panel connecting the discharge chute rod to the chute rotation lever and slide the discharge chute rod forward. 921005: Remove spring pin from chute crank and separate. IMPORTANT: Disconnect chute lock cable and deflector ...

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