GGP SN 421, Instructions For Use Manual

Page: 38 / 84

38
ENGLISH
EN
4. Start the snow thrower and check operation. The auger
should rotate when the auger drive lever is activated and
remain stationary when the auger drive lever is released.
If this is not the case, repeat the above procedure.
8.2 Belt cover (SN 522)
1. Dismantle the belt cover (13:C) by removing the ten
screws (13:D). Five screws on the outside, three screws
on the underside and two screws on the upper side.
2. Reassemble in reverse order.
Attention! One screw is shorter than the others. Be sure to
install the screw in the correct location.
8.3 Replacing the drive belt (SN 522)
Replace the drive belt as follows:
1. Remove the belt cover. See above.
2. Remove the drive belt (14:E) from the pulleys (14:F) and
(14:G). Take care not to damage the belt guide (14:H).
3. Install the new drive belt in reverse order.
4. Check that the drive belt (14:E) is seated properly on the
wheels.
Attention! When the auger drive lever is activated, the play
between belt guide (14:H) and drive belt (14:E) must be 2
mm.
5. Fit the belt cover. See above.
8.4 Replacing the auger (SN 522)
1. Remove belt cover and drive belt. See above.
2. Lock the auger with a piece of wood (15:I).
3. Dismantle the pulley (15:J) from the axle.
Attention! Left-handed thread
4. Undo the bearing assembly (15:K) from the left side of
the snow thrower and pull out the auger.
5. Reassemble in reverse order.
8.5 Adjusting cable (SN 421)
The auger drive lever’s cable is adjusted at the factory. Any
adjustments are carried out as follows:
1. Loosen the screw (16:L) and move the spring (16:M)
backwards to tension the cable.
2. Tighten the screw (16:L) in the desired position.
8.6 Replacing the drive belt (SN 421)
Replace the drive belt as follows:
1. Dismantle the left belt cover by removing the 7 screws
(17:M).
2. Loosen the two pulleys (18:N).
3. Loosen the belt guide (19:O) on the underside.
4. Pry off the belt and install the new one in the same way.
5. Assemble the other parts in the reverse order.
8.7 Replacing auger and bearing (SN 421)
1. Dismantle the left belt cover by removing the 7 screws
(17:M).
2. Force the belt off the auger’s pulley (20:P).
3. Hold the auger securely with a piece of wood or similar
and unscrew the pulley with a 26 mm socket. Note that
the thread on the pulley is left-handed.
4. Remove the screws (21:Q) on the left-hand side of the
auger housing.
5. Dismantle the right cover by removing the 6 screws
(22:R).
6. Dismantle the discharge chute (22:S) by removing the
two screws (22:T).
7. Lift up the worm screw (23:U)
7. Unscrew the auger housing’s centre screws (22:V).
8. Pull the bearing off the left side of the auger using a
puller. See fig. 24
9. Take out the auger.
10. Replace defect components and reinstall in reverse order.
Attention! Always install a washer or flange nut against
all plastic components.
Attention! Do not tighten the screw joints too hard. This
can damage the plastic components.
9 STORAGE
Never store the snow thrower with petrol in the
tank in a confined area with poor ventilation.
Highly inflammable petrol fumes are formed.
If the snow thrower is to be stored for a period longer than 30
days, the following measures must be taken:
1. Empty the petrol tank.
2. Start the engine and let it run until it stops due to lack of
fuel.
Empty the petrol tank outdoors when the engine is
cold. Do not smoke. Empty into a container
designed for petrol.
4. Change the engine oil if this has not been done for 3
months.
5. Unscrew the spark plug and pour 30 ml of engine oil into
the hole. Crank the engine a couple of times. Screw back
the spark plug.
6. Clean the whole snow thrower thoroughly.
7. Lubricate. See “Lubrication”.
8. Inspect the snow thrower for damage. Repair if
necessary.
9. Touch up any paint damage.
10. Rust-proof unpainted metal surfaces.
11. Store the snow thrower indoors if possible.
10 PURCHASE TERMS
A full warranty is issued against manufacturing and material
defects. The user must carefully follow the instructions given
in the enclosed documentation.
For batteries: six months from the purchase date.
The warranty does not cover damage due to:
- Neglect by users to acquaint themselves with
accompanying documentation
- Carelessness
- Incorrect and non-permitted use or assembly
- The use of non-genuine spare parts
- The use of accessories not supplied or approved by GGP
Neither does the warranty cover:
- Wear parts such as drive belts, augers, headlights, wheels,
shear bolts and wires
- Normal wear
- Engines. These are covered by the engine manufacturer’s
warranties, with separate terms and conditions.
The purchaser is covered by the national laws of each
country. The rights to which the purchaser is entitled with the
support of these laws are not restricted by this warranty.