English, 6 maintenance – Stiga Royal line 966D User Manual

Page 13

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64

ENGLISH

EN

5.9

AFTER USE

1. Check for loose or damaged parts. If required, change

damaged parts.

2. Tighten loose screws and nuts.
3. Brush all the snow from the machine.
4. Move all the controls backwards and forwards a few

times.

5. Put the choke in position

6. Disconnecting the starting cable from the spark plug.

Do not cover the machine while the engine and
silencer are still warm.

6 MAINTENANCE

6.1

MAINTENANCE SCHEDULE

6.2

OIL CHANGE

Change the oil the first time after 2 hours of operation, and
subsequently every 50 hours of operation or once a season.
Change oil when the engine is warm.

The engine oil may be very warm if it is drained off
directly after the engine is shut off. So allow the
engine to cool a few minutes before draining the
oil.

1. Lean the snow thrower slightly to the right so that the oil

draining plug (14 in fig. 1) is the lowest point of the
engine.

2. Unscrew the oil draining plug.
3. Let the oil run out into a container.
4. Screw back the oil draining plug.
5. Fill with new oil: See BEFORE STARTING above for

type and amount.

6.3

SPARK PLUG

Check the spark plug once a year or every hundred hours of
use.
Clean or change the plug if the electrodes are burned. The
engine manufacturer recommends: RC124YC or equivalent.
Correct spark gap: 0.7-0.8 mm.
The spark plug is accessible under the protection plate in fig.
11.

6.4

TYRE PRESSURE

The air pressure should be equal in both tires for best
performance. Be sure to keep caps on valves to prevent entry
of debris into the valve stem when tires are filled. The
recommended air pressures are shown in the table below.

6.5

CARBURETTOR

The carburettor is factory set. If adjustment is required,
contact an authorised service station.

6.6

LUBRICATION

No service must be carried out before:
- The engine has stopped.
- The ignition key has been removed.
- The 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.

6.6.1 Discharger

Lubricate the discharger flange and the adjustment lever
worm gear every 10:th hour of use and before long time
storage.

6.6.2 The auger shaft

Lubricate the auger shaft lubricating nipples with a grease
gun every 10th hour of use (fig. 12). Always lubricate the
shaft when changing the shear bolts.
Dismantle the bolts for long time storage. Lubricate with the
grease gun and then rotate the auger freely on the shaft before
replacing the bolts.

6.6.3 Worm gear

The worm gear if filled with special lubricant at the factory.
Refilling is not normally required.
Loosen the plug once a year and check if the worm gear
contains lubricant (fig. 12).
If it is leaking or has been repaired it must be refilled with
lubricant. The worm gear holds 92 grams of lubricant at the
most.
Use Benalene #900 Grease or similar.

Service item

Frequency

Type

Fig./Par.

Motor oil
change

After 2 hour
and then every
50:th hour.

SAE 5W30 -
10W40

fig. 1/6.2

Drive belts,
check

After 2 hour
and then every
year.

7.2

Auger shaft,
lubricate

10 hour

Lithium grease This

Chute worm
gear, lubricate/
check

10 hour

10W oil

This

Deflector, lubri-
cate

10 hour

10W oil

fig. 14

Wires, lubricate 10 hour

10W oil

fig. 14

Linkages, lubri-
cate

10 hour

10W oil

fig. 14

Tyre pressure,
check

50 hour

This

Auger worm
gear, check

50 hour

Winter weight
worm gear oil

This

Spark plug
check/replace

100 hour

RC124YC

This

Machine

Pressure

966 D

1.4 bar

1171 HST

1.0 bar

1381 HST

1.0 bar

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