Checking The Tyre Pressure; Ignition System; Fuses; Check The Safety System - McCulloch M105-97F Operator's Manual

Checking the tyre pressure

The tyre pressure should be 1 bar / 100 kPa / 14,5 PSI for all
wheels
IMPORTANT INFORMATION Different tyre pressures on
the front tyres will result in the blades cutting the grass at
different heights.

Ignition system

The engine is equipped with an electronic ignition system.
Only the spark plug requires maintenance.
For recommended spark plug, see Technical data.
IMPORTANT INFORMATION
Fitting the wrong spark plug type can damage the engine.
Replacing the spark plug
1 Remove the ignition cable shoe and clean around the
spark plug.
2 Remove the spark plug with a 5/8" (16 mm) spark plug
socket wrench.
3 Check the spark plug. Replace the spark plug if the
electrodes are burned or if the insulation is cracked or
damaged. Clean the spark plug with a steel brush if it is to
be reused.
4 Measure the electrode gap with a gapping tool. The gap
should be 0.75 mm/0.030". Adjust as necessary by
bending the side electrode.
5 Reinsert the spark plug, turning by hand to avoid
damaging the threads.
IMPORTANT INFORMATION
Inadequately tightened spark plugs can cause overheating
and damage the engine. Tightening the spark plug too
much can damage the threads in the cylinder head.
6 Tighten the spark plug, once it touches the seating, with
the spark plug spanner. Tighten the spark plug so that the
washer is compressed. A used spark plug should be
turned 1/8 of a turn from the seated position. A new spark
plug should be turned a 1/4 turn from the seated position.
7 Replace the ignition cable shoe.
IMPORTANT INFORMATION
Do not turn over the engine if the spark plug or ignition cable
has been removed.
Maintenance

Fuses

The main fuse is placed in a detachable holder behind the
battery under the protective cover.
Type: Flat pin, 15 A.
Do not use any other type of fuse when replacing.
A blown fuse is indicated by a burnt connector. Pull the fuse
from the holder when replacing.
The fuse is there to protect the electrical system. If it blows
again shortly after replacement, it is due to a short circuit,
which must be fixed before the machine can be put into
operation again.

Check the safety system

The machine is equipped with a safety system that prevents
starting or driving under the following conditions.
The engine must only be possible to start when the following
conditions are met:
• Drive - blades deactivated
• The parking brake is applied.
The driver does not need to be seated in the driver's seat.
Check daily to ensure that the safety system works by
attempting to start the engine when one of the conditions
above is not met. Change the conditions and try again.
Check that the engine stops if you temporarily move out of the
driver's seat while the mower blades are engaged.
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English