ENGLISH
Auger does not | Foreign matter | Clean. |
rotate. | blocking. |
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| Shear pin broken. | Replace the broken |
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| pin. |
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| Auger drive belt | Adjust the belt and |
| slipping. | wire. |
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| Auger drive belt | Replace the belt. |
| broken. |
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Auger does not | Auger drive belt is | Adjust the belt. |
stop when the | out of adjustment. |
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lever is released. |
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Auger drive guide | Adjust the guide. | |
| is out of adjust- |
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| ment. |
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Snowthrower | Tire pressure not | Adjust the tire pres- |
veers to one side. | equal. | sure |
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| Only one wheel | Check the wheel |
| drives. | locks. |
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| Shoes uneven | Adjust scraper |
| adjusted. | blade and shoes. |
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| Scraper blade une- | Adjust scraper |
| ven adjusted. | blade and shoes. |
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7.2ADJUSTING THE SCRAPER BLADE AND SHOES
The scraper blade and shoes gets worn after a long term of use.
Adjust the scraper blade (always together with the shoes) until desired distance to the ground.
The scraper blade and the shoes are reversible and can be used on both sides.
See “5.7”.
7.3GENERAL ABOUT DRIVE BELTS
The drive belts should be checked (and adjusted if required) for the first time after 2 – 4 hours use and then the middle of each season. They should thereafter be checked twice a year.
The belts are specially designed for this machine. They must be replaced by new genuine belts provided by your retailer or authorised service station.
When the belts are adjusted or replaced, the control wires must also be adjusted (see below).
7.4REPLACING THE AUGER BELT
The auger drive belt (K) is shown in fig. 10.
1. Disconnect the starting cable from the spark plug.
2.Remove the belt protective cover by loosening the two screws. See fig. 12.
3.Loosen the six screws and dismantle the bottom plate. See fig 11.
4.Remove the left wheel.
5.See fig. 13. Dismantle the spring (O) and stop screw (N)
6.See fig. 13. Unscrew the shaft nut (P) and pull out the hexagonal shaft (M) to the left. Take simultaneously care of the bearing, its washer (Q) and the friction wheel (L).
7.See fig. 13. Hold up the brake (R) and work off the auger belt.
8.Reassemble the parts in the reverse order. NOTE! Only genuine STIGA belts are to be used.
9.Adjust the control wire according to the instructions below.
7.5REPLACING THE DRIVE BELT
The drive drive belt (J) is shown in fig. 10.
1. Dismantle the auger belt as described above.
2. When all parts are disassembled, work off the drive belt.
3.Reassemble the parts in the reverse order. NOTE! Only genuine STIGA belts are to be used.
4.Adjust the control wire according to the instructions below.
7.6ADJUSTING THE CONTROL WIRES
When the belts are replaced, the control wires must also be adjusted (see below).
7.6.1 Adjusting auger wire
1.Remove the spark plug protection.
2.Remove the belt protective cover by loosening the two screws. See fig. 10.
3.Press down the auger lever (7 in fig. 1) and watch the spring (S in fig 15). The spring shall extend about 5 mm when the lever is pressed down.
4.If adjustment is required, unhook the wire at the lever. See fig. 2.
5.Screw the
6.Recheck the adjustment according to position 3 above and, if nessecary, make new adjustments.
7.Reassemble the parts in the reverse order.
7.6.2 Adjusting drive wire
1.Check the play in the drive lever. The play shall be
2.If adjustment is required, unhook the wire at the lever. See fig. 2.
3.Screw the
4.Recheck the adjustment according to position 1 above and, if nessecary, make new adjustments.
7.7REPLACING THE FRICTION WHEEL
1.Disassemble the auger belt according to instructions above.
2.Check that the friction wheel and disc drive plate are totally free from oil and grease. Replace the friction wheel if nessecary
3.Reassemble all the parts in the reverse order. See also 7.4.
7.8REPLACING THE SHEAR BOLTS
The auger is fastened to the shaft by special bolts that are designed to break if something gets stuck in the auger housing.
Always use genuine spare parts. Other types of bolts could cause serious damage to the machine.
1.Stop the engine.
2.Disconnect the ignition cable from the spark plug.
3.Ensure all the rotating parts have stopped.
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