Assessments - 3, GPA: 4
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Facilidade de uso
22) 1. Remove the two screws securing belt cover to frame. 2. Remove belt cover. • Replace belt cover by installing cover and screws and tighten securely. 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. 21 SPACER 17 SERVICE AND ADJUSTMENTS 1. REMOVE GASOLINE FROM FUEL TANK - Drain gasoline from fuel tank into a suitable container, outdoors, away from fire or flame. Wipe up any spilled gasoline. 2. REMOVE DISCHARGE CHUTE - Loosen locknut se cur ing chute rotator head to mounting bracket only enough to allow chute rotator head to be raised and dis charge chute to be removed from snow thrower. 3. REMOVE BELT COVER - See “TO REMOVE BELT COVER” in this section of this manual. 4. REMOVE ENGINE PULLEY - Remove bolt, lock wash er and flat washer securing pulley to engine crankshaft. Remove outside (auger) pulley only from crank shaft. 5. SEPARATE SNOW THROWER - With your assistant standing in the operating position holding the handles, re move the two (2) bolts holding the auger housing and frame together. WARNING: As the last bolt is removed, have your assistant carefully lower the han dles down to the ground. 6. REMOVE HAIRPIN FROM CLUTCH ROD and remove clutch rod from swing plate. Tip swing plate forward. 7. REMOVE AUGER BELT from around pulley. TO REPLACE BELTS (See Fig. 23) The auger and traction drive belts are not adjustable. If the belts are damaged or begin to slip from wear, they should be replaced. It is recommended that the belt(s) be replaced by a Sears service centre/department. NOTE: It is recommended that both the auger and traction drive belt be replaced at the same time. The V-belts on your snow thrower are of special con struc tion and should be replaced by original equipment man u fac tur er (OEM) belts avail able from your nearest Sears service centre/department. Using other than OEM belts can cause personal injury or damage to the snow thrower. WARNING: Belt replacement requires separation of the snow thrower. While separating the auger housing from the frame assembly, it is important that an assistant stand in the operating po si tion and hold the snow thrower han dles. Serious personal injury and/or damage to the unit could occur if the snow thrower should fall during the belt chang ing process. 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. 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, lockwasher and 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. FRAME ASSEMBLY AUGER HOUS ING HANDLES BELT KEEPER IDLER ARM SQUARE HOLE BOLTS TRACTION DRIVE BELT CLUTCHING IDLER ARM BRACKET AUGER BELT FLAT WASHER AUGER PULLEY AUGER FRAME HOUSING ENGINE PULLEY LOCKWASHER BOLT FIG. 23 SERVICE AND ADJUSTMENTS TO REMOVE WHEELS (See Fig. 24) • Remove the klik pin and remove wheel from axle. IMPORTANT: When installing wheel, be sure to use the innermost hole in axle and the wheel hub hole. To dis en gage drive system from the wheels (for pushing or trans port ing the snow thrower), remove klik pin from wheel hub and insert pin into the outermost hole in axle only. KLIK PIN OUTER HOLE INNER HOLE WHEEL WHEEL HUB FIG. 24 NOTE: To seal punctures or prevent flat tires due to slow leaks, tire sealant may be purchased from your local parts dealer. Tire sealant also prevents tire dry rot and cor ro sion. ENGINE See engine manual. CARBURETOR Your carburetor is not adjustable. Engine performance should not be affected at altitudes up to 7,000 feet (2,134 meters). If your engine does not operate properly due to suspected carburetor problems, take your snow thrower to a qualified service centre....