6

Maintaining

Your Snow

Thrower

NEVER replace the auger shear pins with standard hex pins. Any damage to the auger gearbox or other components as a result of failing to do so will NOT be covered by your snow thrower’s warranty.

Drive Belt Replacement

WARNING: Run the engine com- pletely dry of gasoline before tipping snowthrower.

To remove and replace your snow thrower’s auger belt, proceed as follows:

1.Remove the plastic belt cover on the front of the engine by removing the two self-tapping screws. See Figure 6-4.

2Carefully pivot the snow thrower up and forward so that it rests on the auger housing. See Figure 6-5.

3.Remove the frame cover from the underside of the snow thrower by removing four self-tapping screws which secure it.

4.a. Roll the auger belt off the engine pulley.

b.Use a wrench to pivot the idler pulley toward the right. See Figure 6-9.

c.Lift the drive belt off engine pulley.

5.Back out the stop screw until the support bracket rests on the auger pulley. See Figure 6-10.

6.Slip the drive belt off the pulley and between friction wheel and drive plate. See Figure 6-10.

7.Remove and replace belt in the reverse order.

NOTE: Repeat the drive control adjustment on page 12 before operating the snowthrower.

Friction Wheel Inspection

If the snow thrower fails to drive with the drive control engaged, and performing the drive control cable adjust- ment fails to correct the problem, the friction wheel may need to be replaced.

NOTE: Special tools are required and several com- ponents must be removed and in order to replace the snow thrower’s friction wheel rubber. See an authorized Service Dealer to have the friction wheel rubber replaced or phone Customer Support as instructed on page 2 for information on ordering a Service Manual.

To inspect the friction wheel, proceed as follows:

1.Carefully pivot the snow thrower up and forward so that it rests on the auger housing. See Figure 6-5.

2.Remove the frame cover from the underside of the snow thrower by removing four self-tapping screws which secure it. See Figure 6-5.

3.Examine the friction wheel for signs of wear or cracking. See Figure 6-11.

Off-Season Storage

If unit is to be stored over 30 days, prepare for storage as instructed in the separate engine manual packed with your snow thrower.

Clean snow thrower thoroughly.

Lubricate as instructed in the Maintenance section of this manual.

c a

b

Figure 6-9

Figure 6-10

Figure 6-11

Refer to engine manual for correct engine storage instructions.

Store the snow thrower in a clean, dry area.

When storing any type of power equipment in a poorly ventilated or metal storage shed, care should be taken to rustproof the equipment, especially springs, cables and all moving parts.

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MTD 769-04210 warranty Drive Belt Replacement, Friction Wheel Inspection, Remove and replace belt in the reverse order