Stiga SNOW BLIZZARD [53/124] English
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Stiga SNOW BLIZZARD [53/124] English

Stiga SNOW BLIZZARD [53/124] English
53
ENGLISH
EN
8 SERVICE AND REPAIRS
No service must be carried out before:
The engine has stopped.
The ignition key has been removed.
- The starting cable has been disconnected from
the spark plug.
If the instructions say that the machine is to be lifted at the
front and rested on the auger housing then the petrol tank
must be emptied.
Empty the petrol tank outdoors when the engine is
cold. Do not smoke. Empty into a container
designed for petrol.
8.1 ADJUSTING THE SCRAPER BLADE
The scraper blade gets worn after a lot of use.
Adjust the scraper blade (always together with the shoes)
The scraper blade is reversible so can be used on both sides.
8.2 ADJUSTING THE 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.
When the belts are adjusted or changed, the control wires
must also be adjusted (see below).
8.2.1 THE DRIVE BELT FOR DRIVING (A in Fig. 16)
The belt has a spring-loaded tension pulley. Adjustment is
not required. If the belt slips, change it.
8.2.2 THE AUGER DRIVE BELT (B in Fig. 16)
1. Remove the belt protective cover (1) by loosening the
screws (2). See fig. 17.
2. Loosen the tension-pulley (C) and move it about 3mm
towards the belt (fig. 16).
3. Tighten the tension pulley nuts.
4. Check the belt tension by pressing down the auger clutch
lever. With a finger, you should be able to push the belt
about 12 - 13 mm without any great power (fig 19).
5. Repeat the above procedure if further adjustment is
required.
6. Reassemble the belt protection. See fig 17.
8.3 REPLACING BELTS
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).
8.3.1 THE AUGER BELT
1. Remove the spark plug protection.
2. Loosen the screws (3) and dismantle the bottom plate (2).
See fig 20.
3. Remove the belt protective cover (1) by loosening the
screws (2). See fig. 17.
4. Loosen the belt guide (D) at the engine belt disc. See fig.
16.
5. Remove the tension pulley (C) from the belt. See fig. 16.
6. Replace the belt (E in fig. 16). NOTE! Only genuine
STIGA belts are to be used.
7. Adjust the belt tension according to the above
instructions.
8. Assemble the belt guide (D) in fig 16.
9. Adjust the belt tension according to the above
instructions.
10. Reassemble the belt protection.
11. Adjust the control wire according to the below
instructions.
8.3.2 THE DRIVING BELT
1. Carry out items 1-5 above.
2. Remove the locking ring (17) from the swing plate shaft
(18). See fig 23. Pull out the shaft so that the swing plate
(20) can tip forward. See fig 23.
3. Remove the spring (16 in fig 23).
4. Replace the belt (13 in fig. 23). NOTE! Only genuine
STIGA belts are to be used.
5. Check that the tension pulley (12) is in line with the belt
(13). See fig 23.
6. Reassemble the spring (16), shaft (18) and locking ring
(17).
7. Check that the underside of the disc drive plate (20) is
situated between the marks (19). See fig 21.
NOTE! If the machine still does not drive properly,
recheck the location of the disc drive plate (20).
8. Adjust the belt tension according to the above
instructions.
9. Assemble the belt guide (D) in fig 16.
10. Adjust the belt tension according to the above
instructions.
11. Reassemble the belt protection. See fig 17.
8.4 ADJUSTING THE BELT GUIDE
1. Remove the spark plug protection.
2. Remove the belt protective cover (1) by loosening the
screws (2). See fig. 17.
3. Activate the auger clutch lever (13 in fig 8).
4. Check the distance between the belt guide and the belt.
The distance should be 3 mm. See fig 18.
5. If adjustment is required, loosen the screw to the belt
guide and set the correct distance.
6. Tighten the screw properly.
7. Reassemble the belt protection.
8. Reassemble the spark plug protection.
8.5 ADJUSTING THE CONTROL WIRES
When the belts are adjusted or replaced, the control wires
must also be adjusted (see below).
1. Unhook the wire from the clutch lever (fig. 24).
2. Push the clutch lever forward as much as possible (until
it touches the plastic protection on the handle).
3. Hold the wire stretched and note the position of the wire’s
Z-shaped end.
4. When the wire is correctly adjusted its end should be
situated in the middle of the hole in the clutch lever (fig.
24).
If adjustment is required:
5. Lift the snow thrower forward and rest in on the auger
housing.

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