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MOWER MAINTENANCE
Engine Detail
(Refer g.25)
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 check-
ing and lling instructions.
Change the engine oil after the rst 5 hours of operation
and thereafter according to the 'Maintenance Schedule':-
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 left hand side thus
ensuring that the air cleaner is kept uppermost to
prevent engine damage. (Refer g.26)
Fig. 25
1. Air Cleaner
3
2
2. Fuel Cap
4
1
5
3. Start Grip
4. Cover
5. Oil ll/Dipstick
6. Exhaust Guard
9
7. Exhaust
6
8
8. Spark Plug / Lead
7
9. Carburettor
6. Remove the oil ller dipstick and drain the oil into a
suitable container.
7. Re ll with new oil of the recommended SAE viscos-
ity grade. (Refer to-'Assembling the Mower Before
First Use')
Air Cleaner Service
To service the air cleaner, loosen screw (1) and remove
cover (2). (Refer g.27)
Remove cartridge (3) and clean by tapping gently on a
at surface. If very dirty, replace.
- Do not use petroleum solvents.
- Do not use pressurised air.
- Do not oil the cartridge.
After servicing, install the cartridge into the cover. Insert
the tabs on the bottom of the cover into the slots in the
bottom of the base (4).
Tilt the cover upwards and securely tighten the screw to
the base.
Spark Plug Service
Use only Briggs & Stratton (Part number 19368) spark
tester (1) to check for a spark as shown in the diagram.
(Refer g.28)
Fig. 26
Fig. 27
3
1
12
Replace the spark plug every 100 hours or every season,
whichever occurs 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
0.50mm. (Refer g.29)
Fig. 28
1
4
2
Fig. 29
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