Carburettor Adjustments; Oil Service - Hayter HARRIER 41 Owner's Handbook Manual

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CARBURETTOR ADJUSTMENTS

Carburettor 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 3,000
r.p.m.

OIL SERVICE

Refer to the Maintenance Schedule at the end of this section and ensure that the recommen-
dations are followed. More frequent service is required when operating in adverse conditions.
- Check the oil level every 5 hours or daily and ensure that the correct oil level is main-
tained. Refer to-'Before Starting the Engine: Oil Recommendations' for oil checking
procedure and filling instructions.
- Drain the engine oil after the first 5 hours of operation and thereafter at the end of
every grass cutting season.
- Change the oil while the engine is warm. Refill with fresh clean oil of the recommended
SAE viscosity grade. Refer to -'Before Starting the Engine : Oil Recommendations'.
WARNING - PREVENT ACCIDENTS: Drain fuel from the tank by running the engine
until the fuel tank is empty before attempting to tip the mower for oil draining
purposes.
- Remove the spark plug lead (also disconnect the negative bat-
tery lead if the mower is equipped with electric start) and allow
the engine to cool. Tip the mower over on to its left hand side
thus ensuring that the air cleaner is kept uppermost to prevent
engine damage. Remove the oil filler dipstick and drain the oil
into a suitable container.
MAINTENANCE
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