Stiga 1171 HST [56/159] English

Stiga 1381 HST [56/159] English
56
ENGLISH
EN
7.5 DRIVE BELT, HST
7.5.1 Adjusting the drive belt
1. Dismantle the belt cover (1) by loosing the screw (2). See
fig. 16.
2. Adjust the tension pulley (A in fig. 20) until a belt play of
about 45 mm. See fig. 23.
Do not overtighten the belt. This will damage the
belt and the bearings. Always check the belt
tension according to the instructions below before
using the machine.
3. Check the adjustment according to the instructions
below.
4. Reassemble the belt cover. See fig. 16.
7.5.2 Check the drive belt
1. Disconnect the wheel locks.
2. Set the speed lever in the neutral position. Do not activate
the clutch lever.
3. Start the engine and move the speed lever slow forwards.
If the drive shafts rotate, the belt is too tight, and the
tension pulley (A in fig. 20) shall be loosened and moved
from the belt.
4. If the tension pulley was moved redo the adjustment and
the check as described above.
7.6 ADJUSTING THE CONTROL WIRES
When the belts are adjusted or replaced, the control wires
must also be checked/adjusted (see below).
7.6.1 Adjusting auger wire
1. Remove the ignition key.
2. Dismantle the belt cover (1) by loosing the screw (2). See
fig. 16.
3. Actuate the auger drive lever and observe the tension
pulley. When the auger lever is in its half way of
movement against the handle, the pulley movement shall
stop against the belt (the pulley is allowed to move a few
mm during the last half of movement of the lever). See
fig. 15.
4. If necessary, unhook the spring and adjust the wire at the
screw, connected to the spring. See fig. 13.
5. Reassamble all parts in the reverse order.
7.6.2 Adjusting drive wire
The drive wire, HST has no adjustment. The clutch is
adjusted with the belt tensioning pulley. See “7.6.2”.
7.7 REPLACING THE SHEAR BOLTS
(R IN FIG. 12)
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.
4. Remove the object that has fastened in the auger.
5. Lubricate the auger shaft (see above).
6. Aligne the holes in the shaft and auger.
7. Remove the broken bolt parts.
8. Assemble a new original shear bolt.
7.8 HEADLAMP BULB
Only 27 W original spare part bulb is allowed to be
used. Bulbs with higher power will damage the
headlamp.
The headlamp bulb is fitted to the headlamp by a bayonet
socket. See fig. 17. To replace the bulb proceed as follows:
1. Turn the bulb about 30° CCW and pull it out.
2. Release the plastic locks at each side of the bulb and pull
off the cable connection from the bulb.
3. Fit the new bulb in the reverse order.
8 STORAGE
Never store the snow thrower with petrol in the
tank in a confined area with bad ventilation. Petrol
fumes could reach open flames, sparks, cigarettes
etc.
If the snow thrower is to be stored for a longer period than 30
days, the following measures are recommended:
1. Empty the petrol tank.
Empty the petrol tank outdoors when the engine is
cold. Do not smoke. Empty into a container
designed for petrol.
2. Start the engine and let it run until it stops due to lack of
fuel.
3. Change the engine oil if it has not been done for 3
months.
4. Remove the spark plug and empty a little engine oil
(about 30ml) in the hole. Crank the engine a couple of
times. Screw back the spark plug.
5. Clean the whole snow thrower thoroughly.
6. Lubricate all the parts as shown in LUBRICATING above.
7. Inspect the snow thrower for damage. Repair if necessary.
8. Touch up any paint damage.
9. Rust protect the metal surfaces.
10. Store the snow thrower indoors if possible.

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