SERVICE AND ADJUSTMENTS
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 position and hold the snow thrower handles. Se- rious personal injury and/or damage to the unit could occur if the snow thrower should fall during the belt changing process.
FRAME | AUGER |
ASSEMBLY | HOUSING |
HANDLES
1.REMOVE GASOLINE FROM FUEL TANK - Drain gaso- line from fuel tank into a suitable container, outdoors, away from fire or flame. Wipe up any spilled gasoline.
2.REMOVE DISCHARGE CHUTE - Loosen locknut securing chute rotator head to mounting bracket only enough to allow chute rotator head to be raised and discharge 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, lockwasher and flat washer securing pulley to engine crankshaft. Remove outside (auger) pulley only from crankshaft.
5.SEPARATE SNOW THROWER - With your assistant standing in the operating position holding the handles, remove the two (2) bolts and lock washers holding auger housing and frame together.
WARNING: As the last bolt is removed, have your assistant carefully lower the handles down to the ground.
6.REMOVE AUGER BELT from around pulley.
7.RELIEVETENSIONONTRACTIONDRIVEBELTIDLER 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.
8.With tension relieved on idler, install new traction drive belt around pulleys and inside belt keepers.
9.Place auger belt around and inside the groove of auger pulley only.
10.While your assistant slowly raises handles to rejoin the auger housing and frame assembly, pull up on the auger belt and squeeze sides together above pulley so belt is fully seated in groove of pulley.
11.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 repeat step 10. Belt must be fully seated in pulley groove when bringing
the snow thrower together. | 16 |
12.Install the two (2) hex bolts and lock washers and tighten securely.
13.INSTALL ENGINE PULLEY - Place belt in pulley groove and slide pulley on crankshaft. Install flat washer, lock- washer and bolt and tighten securely
14.INSTALL BELT COVER and two (2) screws. Tighten securely.
15.INSTALL DISCHARGE CHUTE – See “INSTALL DIS- CHARGE CHUTE / CHUTE ROTATER HEAD” in the Assembly /
| BELT KEEPER |
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| TRACTION DRIVE BELT |
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| ENGINE | FLAT WASHER | |
| PULLEY | ||
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| LOCKWASHER | |
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| BOLT | |
IDLER ARM |
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| AUGER |
SQUARE |
|
| BELT |
HOLE |
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CLUTCHING |
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| |
IDLER ARM |
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| |
BRACKET |
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| |
| AUGER PULLEY |
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|
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| BOLT | LOCK |
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| WASHER |
FRAME | AUGER |
|
|
HOUSING |
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| |
FIG. 21
TO REMOVE WHEELS (See Fig. 22)
•Remove the klik pin and remove wheel from axle.
IMPORTANT: When installing wheel, be sure to use the in- nermost hole in axle and the wheel hub hole. To disengage drive system from the wheels (for pushing or transporting 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. 22