SERVICE AND MAINTENANCE
9.Reposition the friction wheel assembly in the snow thrower frame. Insert the pin from the shift arm assembly into the friction wheel assembly and hold assembly in position. Refer to Figure 33.
10.Slide the hex shaft through the right side of the frame toward the left side and through the friction wheel assembly.
11.After making certain that the chain is on both the large and the small sprocket, align the hex shaft with the hex hub of the small sprocket, and slide the shaft through the sprocket.
NOTE: If the sprocket fell from the snow thrower while removing the hex shaft, place the sprocket on the chain. Realign the sprocket on the chain with the hex hub facing the right side of unit. Position the hex hub of the sprocket toward the friction wheel when sliding the sprocket on to the hex shaft.
12.Slide the spacer onto the end of the hex shaft.
13.Align the bearing on the right end of the hex shaft with the hole in the right side of the frame, then push the hex shaft to the left into position in the frame.
14.Slide the bearing onto the left end of the hex shaft and press into the hole on the left side the frame.
15.Place the belleville washer (rounded side toward head) onto the hex screw removed earlier, and insert the screw into the threaded hole of the hex shaft.
16.Gradually tighten the hex screw to fully seat the bearings in each side of the frame and to secure the hex shaft.
Figure 33
17.Position the frame cover on the bottom of the frame and secure with the
NOTE: If you placed plastic film under the gas cap, be certain to remove it.
MAINTENANCE SCHEDULE
WARNING
Before performing any type of maintenance/service, disengage all controls and stop the engine. Wait until all moving parts have come to a complete stop. Disconnect spark plug wire and ground it against the engine to prevent unintended starting. Always wear safety glasses during operation or while performing any adjustments or repairs.
Follow the maintenance schedule given below. This chart describes service guidelines only. Use the Service Log column to keep track of completed maintenance tasks. To locate the nearest Sears Service
Center or to schedule service, simply contact Sears at
Interval |
| Item |
| Service | Service Log |
Each Use | 1. | Engine oil level | 1. | Check |
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| 2. | Loose or missing hardware | 2. | Tighten or replace |
|
| 3. | Unit and engine. | 3. | Clean |
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1st 5 - 8 hours | 1. | Engine oil | 1. | Change |
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25 hours | 1. | Engine oil† | 1. | Change |
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| 2. | Air cleaner | 2. | Clean or replace |
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| 3. | Control linkages and pivots | 3. | Lube with light oil |
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50 hours | 1. | Engine oil | 1. | Change |
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Annually or 100 hours | 1. | Spark plug | 1. | Clean, replace, |
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Before Storage | 1. | Fuel system | 1. | Run engine until it stops from lack of |
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| fuel or add a gasoline additive to the |
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| gas in the tank. |
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† Under heavy load or in high temperatures |
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