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ENGLISH
EN
7.2 ADJUSTING 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”.
7.3 GENERAL 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).
7.4 REPLACING 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.
7.5 REPLACING 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.
7.6 ADJUSTING 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 Z-nipple in the desired direction and refit it to
the handle.
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 40-50
mm. See fig. 14.
2. If adjustment is required, unhook the wire at the lever.
See fig. 2.
3. Screw the Z-nipple in the desired direction and refit it to
the handle.
4. Recheck the adjustment according to position 1 above
and, if nessecary, make new adjustments.
7.7 REPLACING 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.
7.8 REPLACING 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.
Auger does not
rotate.
Foreign matter
blocking.
Clean.
Shear pin broken. Replace the broken
pin.
Auger drive belt
slipping.
Adjust the belt and
wire.
Auger drive belt
broken.
Replace the belt.
Auger does not
stop when the
lever is released.
Auger drive belt is
out of adjustment.
Adjust the belt.
Auger drive guide
is out of adjust-
ment.
Adjust the guide.
Snowthrower
veers to one side.
Tire pressure not
equal.
Adjust the tire pres-
sure
Only one wheel
drives.
Check the wheel
locks.
Shoes uneven
adjusted.
Adjust scraper
blade and shoes.
Scraper blade une-
ven adjusted.
Adjust scraper
blade and shoes.