Mower Maintenance; Carburettor Adjustments; Oil Service; Air Cleaner Service - Hayter Motif 48 Autodrive Instruction Manual

MOWER MAINTENANCE

Carburettor Adjustments

These adjustments should only be made by an authorised
Briggs & Stratton dealer. Under no circumstances should the
engine be adjusted to run at a speed in excess of that shown on
the Declaration of Incorporation.

Oil Service

Check the oil level daily before starting the engine and ensure
that the correct oil level is maintained. Refer to 'Assembling
the Mower Before First Use' for oil checking and fi lling
instructions.
Change the engine oil after the fi rst 5 hours of operation and
thereafter according to the 'Maintenance Schedule'.
(Refer fi g.19)
1. Drain fuel by running the engine until the fuel tank is
empty.
2. Remove the spark plug lead.
3. Allow the engine to cool.
4. Drain the oil while the engine is warm (not hot).
5. Tip the mower over on to its right hand side thus ensuring
that the air cleaner is kept uppermost to prevent engine
damage.
6. Remove the oil fi ller dipstick and drain the oil into a
suitable container.
7. Refi ll with new oil of the recommended SAE viscosity
grade. Refer to 'Assembling the Mower Before First Use'
Fig. 20
Fig. 19

Air Cleaner Service

The air cleaner system uses a pleated fi lter.
Servicing instructions:
1. Open the cover (1).
2. Remove the fi lter (2).
3. To loosen debris, gently tap the fi lter on a hard surface.
If the fi lter is excessively dirty, replace with a new fi lter.
• Do not oil the cartridge.
• Do not use petroleum solvents.
• Do not use pressurised air.
4. Install the fi lter (2).
5. Close the cover (1).
(Refer fi g.20)

Spark Plug Service

Use only Briggs & Stratton (Part number 19368) spark tester
(1) to check for a spark as shown in the diagram.
(Refer fi g.21)
Replace the spark plug every 100 hours or every season,
whichever occurs fi rst. A spark plug wrench is available from
any authorised Briggs & Stratton service dealer.
Check the spark plug gap with a feeler gauge and set at 0.51
mm.
Fig. 21
2
1
1
Fig. 22 Fig. 23
11
(Refer fi g.22)

Keeping Engine Clean

Remove all grass and debris from the engine including the
exhaust/exhaust guard, the air ways in the top cowl and the
surrounding deck areas on a daily basis after use. Never spray
the engine with water during cleaning. Water can contaminate
the fuel. Always clean with a brush or compressed air.
(Refer fi g.23)
Grass and debris may clog the engine's air cooling system
especially after prolonged operation while cutting tall, dry
grass. The internal cooling fi ns and surfaces may require
cleaning to prevent overheating and engine damage. We
recommended that this service be carried out by an authorised
Hayter Service dealer.

Grassbag

Remove grass debris from the grassbag immediately after use
and check its condition for signs of damage.
To prevent accidents replace a damaged grassbag immediately.
(Refer fi g.24)
Fig. 24