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Фрагмент инструкции
Water in engine can result in shortened engine life.. 14 15 SERVICE AND ADJUSTMENTS WARNING: To avoid serious injury, before performing any service or adjust ments: 1. Be sure the on/off switch is in the OFF position. 2. Remove safety ignition key. 3. Make sure the augers and all mov ing parts have completely stopped. 4. Disconnect spark plug wire from spark plug and place wire where it can not come in contact with plug. SNOW THROWER TO ADJUST SNOW THROWER HEIGHT See “TO ADJUST SKID PLATES” and “SCRAPER BAR” in the Operation section of this manual. CHUTE DEFLECTOR The chute deflector, attached to the top of the discharge chute, is provided to direct discharging snow away from the operator. If the deflector becomes damaged, it should be re placed. WARNING: To avoid serious injury, nev er operate your snow thrower with the deflector removed or damaged. • To change direction and/or distance snow is dis charged, see “TO CONTROL SNOW DISCHARGE” in the Oper a tion section of this manual. TO REMOVE BELT COVER (See Fig. 19) 1. Remove the two (2) screws securing belt cover to frame. 2. Remove belt cover. 3. Replace belt cover by installing cover and screws and tighten securely. FRAME BELT COVER SCREWS FIG. 19 SHEAR BOLTS (See Fig. 18) AUGER SHEAR BOLTS Both right and left-hand augers are secured to the auger shaft with a shear bolt and hex nut. Should a foreign object or ice become lodged in the augers, the shear bolts are designed to break, preventing damage to any other com po nents. If one or both augers do not turn when auger control lever is engaged, check to see if one or both of the bolts have sheared. To replace the shear bolts: 1. Disengage all controls and move throttle control to STOP position. Wait for all moving parts to stop. 2. Remove safety ignition key and disconnect spark plug wire from spark plug. Place wire where it cannot come in contact with spark plug. 3. Align hole in auger hub with hole in auger shaft and install a new 1/4-20 x 2" shear bolt. Install 1/4-20 lock nut and tighten securely. CAUTION: Do not sub sti tute. Use only original equip ment shear bolts as sup plied with your snow thrower. 4. Insert safety ignition key and reconnect spark plug wire to spark plug. IMPELLER SHEAR BOLTS The impeller is secured to the impeller shaft with two (2) capscrew/shear bolts and hex nuts. Should a foreign object or ice become lodged in the impeller, the capscrews are de signed to break, preventing damage to any other compo nents. If impeller does not turn when auger control lever is engaged, check to see if the capscrews have sheared. AUGER SHAFT 1/4-20 x 2 SHOULDER / SHEAR BOLT 1/4-20 LOCK NUT IMPELLER SHAFT 1/4-20 x 1-5/8 CAPSCREW / SHEAR BOLT 1/4-20 LOCKNUT IMPELLER HUB AUGER HUB AUGER HUB FIG. 18 To replace the capscrew/shear bolts: 1. Disengage all controls and move throttle control to STOP position. Wait for all moving parts to stop. 2. Remove safety ignition key and disconnect spark plug wire from spark plug. Place wire where it cannot come in contact with spark plug. 3. Align holes in impeller hub with holes in impeller shaft and install two (2) new 1/4-20 x 1-5/8" capscrew/shear bolts. Install 1/4-20 locknuts and tighten securely. CAUTION: Do not substitute. Use only original equip ment capscrew/shear bolts as sup plied with your snow thrower. 4. Insert safety ignition key and reconnect spark plug wire to spark plug. 16 SERVICE AND ADJUSTMENTS 8. RELIEVE TENSION ON TRACTION DRIVE BELT IDLER and remove traction drive belt from around pulleys. HINT: Insert a 3/8" drive ratchet (in the “ON” position) into the square hole in idler arm and rotate ratchet clockwise to relieve tension. 9. With tension relieved on idler, install new traction drive belt around pulleys and inside belt keepers. 10. Install clutch rod in swing plate; secure with hairpin. 11. Place auger belt around and inside the groove of auger pulley only. 12. While your assistant slowly raises handles to rejoin the auger hous ing and frame assembly, pull up on the auger belt and squeeze sides together above pulley so belt is fully seated in groove of pulley. 13. Move idler arm so it does not hit impeller pulley as you bring snow thrower completely together and check carefully for proper routing of belts. If auger belt has become dislodged from the pulley (by catching the idler arm bracket while bringing snow thrower together), separate the snow thrower and re peat step 12. Belt must be fully seated in pulley groove when bring ing the snow thrower together. 14. Install the two (2) hex bolts and tighten securely. 15. INSTALL ENGINE PULLEY - Place belt in pulley groove and slide pulley on crankshaft. Install flat washer, bolt and tighten securely (41-47 N-m torque). Make sure belt is inside belt keeper. 16. INSTALL BELT COVER and two (2) screws. Tighten securely. 17. INSTALL DISCHARGE CHUTE – See “INSTALL DISCHARGE CHUTE / CHUTE ROTATER HEAD” in the As sem bly / Pre-Operation section of this manual. TO REPLACE BELTS (See Fig. 20) The au...
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