valutazioni - 4, GPA: 3.8 ( )

Produttore : Ariens File Size : 9.06 mb File Nome : 03389300_ENG.pdf Lingua di insegnamento:

5. Remove belt finger (Figure 39). 6. Remove attachment drive belt from engine sheave (it may be necessary to turn engine sheave using recoil starter handle). IMPORTANT: To avoid bending bottom cover when tipping unit apart, support handlebars firmly or tip unit up on housing and remove bottom cover by removing six cap screws before separating unit. 7. Support Sno-Thro frame and housing. Figure 41 OS7208 1. Traction Clutch Cable 2. Adjuster Body 3. Jam Nut 2 3 1 Figure 42 >1/32 in. OS7144 (.8 mm) GB - 32 8. Remove hex bolts securing housing to frame (two on each side). Tip housing and frame apart on pivot pin (Figure 43). 9. Remove attachment drive belts from attachment pulley (hold brake away from belt). Install new attachment drive belts: 1. Place new attachment belts onto attachment pulley. NOTE: Holding down the attachment clutch lever will make it easier to reconnect the housing and frame. 2. Tip housing and frame back together and secure with hex bolts. 3. Place belts onto engine sheave. 4. Reposition and secure belt finger. IMPORTANT: With clutch lever engaged, belt finger on the side opposite the belt idler should be less than 1/8 in. (3 mm) from belt, but not touching the belt. Adjust belt finger as necessary. 5. Check adjustment. See Attachment Clutch/Brake Adjustment on page 28 6. Reconnect chute crank and secure with spring clip (921005) or hair pin (921004, 006, 007, 008, 009). Reconnect chute lock cable and deflector cable (921004, 006, 007, 008, 009). 7. Replace belt cover. TRACTION DRIVE BELT REPLACEMENT NOTE: Replacement will be easier with housing and frame tipped apart and bottom cover off. 1. Remove attachment drive belts (see Attachment Drive Belt Replacement on page 31). CAUTION: Always support Sno- Thro frame and blower housing when loosening the cap screws holding them together. Never loosen cap screws while unit is in service position. Figure 43 921005 921004, 006, 007, 008, 009 1. Belt Cover 2. Chute Gear Cover 3. Discharge Chute Rod 4. Chute Lock Cable 1 2 3 4 1 3 2 WARNING: AUGER / IMPELLER MUST STOP within 5 seconds when attachment clutch lever is released or unit damage or serious injury may result. Figure 44 OS7198 1. Traction Drive Belt 2. Engine Sheave 3. Attachment Drive Belts 4. Belt Finger 5. Attachment Belt Idler 6. Attachment Idler Adjustment Nut 7. Traction Belt Idler 2 1 4 3 5 6 7 GB - 33 2. To gain belt clearance, remove swing gate spacer and slide drive plate over so that finger clears stop hole in frame and can swing past it. See Figure 45. 3. Pull idler away from traction drive belt and remove belt from idler pulley, engine sheave and driven pulley (it may be necessary to turn engine pulley using recoil handle). 4. Install new traction drive belt onto driven pulley and engine sheave. 5. Swing drive plate toward friction disc until finger lines up with stop hole in frame. Slide drive plate over, inserting finger into stop hole. Reinstall drive plate spacer. NOTE: Make sure the drive plate assembly return spring remains connected to the frame and nylon bushing is in drive plate pivot hole. 6. Replace attachment drive belt (See Attachment Drive Belt Replacement on page 31). FRICTION DISC REPLACEMENT 1. Shut off engine, remove key, disconnect spark plug wire and allow unit to cool completely. 2. Place unit into service position on a level surface. 3. Remove both wheels. 4. Remove bottom cover by removing six hex bolts. 5. Disconnect pivot pin from the speed selector arm. Save the hardware for reinstallation. 6. Remove spring clip pin nearest drive sprocket from hex shaft. 7. Remove left bearing flange from frame. 8. Slide hex shaft to the left to remove spacer, flat washers, pinion sprocket and friction disc assembly from hex shaft. NOTE: Be sure to save washers between bearing and sliding fork for re-assembly. 9. Remove friction disc assembly from frame. 10. Remove three screws holding friction disc to carrier bearing. 11. Remove old friction disc. Put the new friction disc in place, cup side to carrier bearing. 12. Reinstall three screws onto new friction disc and carrier bearing. Torque to 5 – 6 lbf-ft (22.2 – 26.7 N•m). 13. Insert new friction disc assembly into frame. Install washers onto carrier bearing and slide into speed selector arm. 14. Slide hex shaft through new friction disc assembly. Install pinion sprocket onto hex shaft and slide shaft into right bearing. 15. Install left bearing using hardware removed in step 7. 16. Reinstall clip pin into hex shaft. 17. Connect pivot pin to speed selector arm (see Speed Selector Adjustment on page 27). 18. Replace bottom cover. 19. Install wheels. 20. Return unit to upright position. 21. Connect spark plug wire to spark plug. 22. Adjust traction drive clutch (see Traction Drive Clutch Adjustment on page 30). Figure 45 OS7144 1. Spacer 2. Drive Plate Assembly 3. Traction Belt Idler 4. Attachment Drive Belts 5. Traction Drive Belt 6. Engine Sheave 7. Friction Disc 8. Drive Plate Finger 2 3 5 6 1 7 4 8 GB - 34 TRACK TE...

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