O-Mac MF 2500 Manual page 61

When you have reduced speed to a
minimum, it will take a few seconds for the
chain to stop.
The engine may be very warm immediately
after it is shut off. Do not touch. The engine
can cause burn injuries.
6.7 After operation
– Remove the spark plug cap (Fig. 31.A).
– Mount the bar cover.
– Allow the machine to cool down.
– Loosen the rod fastening nuts to reduce
chain tension.
– Carefully remove any dust and debris and
remove all traces of sawdust or oil deposits
from the chain. (par. 7.5, par. 7.6).
– Check there are no loose or damaged
components. If necessary, replace the
damaged components and tighten any
screws and loose bolts.
IMPORTANT Stop the machine (par. 6.6),
remove the spark plug cap (Fig. 31.A)and
mount the bar cover whenever the machine
is unused or left unattended.
VII. Routine maintenance
7.1 General information important
The safety regulations to follow during
machine use are described in Chapter 2.
Strictly comply with these instructions to avoid
serious risks or hazards. Before conducting
any inspections, cleaning or maintenance/
adjustment interventions on the machine:
• Stop the machine;
• Wait until the chain is stationary;
• Apply the bar cover, except when working
directly on the chain or bar itself.
• Remove the spark plug cap (Fig. 31.A);
• Wait until the engine is sufficiently cold;
• Read the relevant instructions;
• Use suitable clothing, protective gloves and
goggles;
• The frequency and types of maintenance are
summarised in the "Maintenance Table" (see
chapter 12). The table will help you maintain
your machine's safety and performance. It
summarises the main interventions to be
made and the frequency applicable to each
of them. Carry out the relevant intervention
according to the first deadline.
• The use of non-genuine spare parts and
attachments could adversely affect machine
operation and safety. The manufacturer shall
decline all liability in the event of injuries or
damages caused by such parts.
• Genuine spare parts are supplied by
Authorized Service Centres and Dealers.
• Never use the machine with worn or
damaged parts. Damaged parts are to be
replaced and never repaired.
IMPORTANT All the maintenance and
adjustment operations not described herein
must be carried out by your dealer or
Authorised Service Centre.
7.2 Preparing the fuel mixture
This machine has a two-stroke engine which
requires a mixture of petrol and lubricating
oil.
IMPORTANT Using petrol alone will damage
the engine and will void the warranty.
IMPORTANT Only use quality fuels and oils to
maintain high performance and guarantee the
duration of the mechanical parts over time.
7.2.1 Petrol characteristics
Only use unleaded petrol with an octane
rating of at least 90.
IMPORTANT Unleaded petrol tends to create
deposits in the container if stored for more
than 2 months. Always use fresh petrol!
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