McCulloch CS 42S, Operator'S Manual

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FUEL HANDLING
FUELING ENGINE
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WARNING: Remove fuel cap slowly when
refueling.
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with ethanol blended up to 10% maximum by volume
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designed to be mixed at a ratio of 50:1.
DO NOT USE automotive oil or marine oil. These oils
will cause engine damage. When mixing fuel, follow
instructions printed on container. Once oil is added to
petrol, shake container momentarily to assure that the
fuel is thoroughly mixed. Always read and follow the
safety rules relating to fuel before fueling your unit.
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days to assure fuel freshness.
CAUTION: Never use straight petrol in your unit.
This will cause permanent engine damage and void
the limited warranty. Do not use alternate fuels such
as ethanol blends above 10% by volume (E-15,
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fuels can cause major engine performance and
durability problems.
Petrol, litre Two-stroke oil, litre
5 0,10
10 0,20
15 0,30
20 0,40
BAR AND CHAIN LUBRICATION
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Lubrication is provided by the automatic oiler system
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ruin the bar and chain.
Too little oil will cause overheating shown by smoke
coming from the chain and/or discoloration of the
bar. In freezing weather oil will thicken, making it
necessary to thin bar and chain oil with a small
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Bar and chain oil is recommended to protect your unit
against excessive wear from heat and friction. If bar
and chain oil is not available, use a good grade SAE
30 oil.
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Never use waste oil for bar and chain lubrication.
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Always stop the engine before removing the oil cap.
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