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to the battery’s positive terminal (+). Then con-
nect the black cable to the battery’s negative ter-
minal (-).
If the cables are disconnected/connect-
ed in the wrong order, there is a risk of
a short-circuit and damage to the bat-
tery.
If the cables are interchanged, the gen-
erator and the battery will be damaged.
The engine must never be driven with
the battery disconnected. There is a risk
of serious damage to the generator and
the electrical system.
5.8.4 Cleaning
If the battery terminals are coated with oxide, they
should be cleaned. Clean the battery terminals with
a wire brush and lubricate them with terminal
grease.
5.9 Air filter, engine
5.9.1 Air filter
(Ranger, President, Power)
The pre-filter (foam filter) must be cleaned/re-
placed after 25 hours of operation.
The air filter (paper filter) must be cleaned/re-
placed after 100 hours of operation.
NOTE! The filters should be cleaned/replaced
more often if the machine operates on dusty
ground.
Remove/install the air filters as follows.
1. Clean carefully around the air filter cover.
2. Dismantle the air filter cover (23:A) by remov-
ing the two clamps.
3. Dismantle the filter assembly (23:B). The pre-
filter is placed over the air filter. Make sure that
no dirt gets into the carburettor. Clean the air fil-
ter housing.
4. Clean the paper filter by tapping it gently
against a flat surface. If the filter is very dirty,
replace it.
5. Clean the pre-filter. If the filter is very dirty, re-
place it.
6. Assemble in the reverse order.
Compressed air or petroleum-based solvents such
as kerosene may not be used for cleaning the paper
filter insert. This will damage the filter.
5.9.2 Air filter (Excellent)
The pre-filter (foam filter) must be cleaned after 25
hours of operation.
The air filter (paper filter) must be replaced after
100 hours of operation.
NOTE! The filters should be cleaned/replaced
more often if the machine operates on dusty
ground.
Remove/install the air filters as follows.
1. Dismantle the right rear wheel.
2. Clean carefully around the air filter cover.
3. Dismantle the air filter cover (21:A) by undoing
its screw (21:B).
4. Dismantle the filters. The pre-filter (21:C) is
placed over the air filter (21:D). Make sure that
no dirt gets into the carburettor. Clean the air fil-
ter housing.
5. Wash the pre-filter (21:C) in liquid detergent
and water. Squeeze dry. Pour a little oil on the
filter and squeeze in the oil.
6. Assemble in the reverse order. Check that the
rubber seal (21:E) is undamaged. Replace the
seal if necessary.
5.10 Spark plug
The spark plug(s) must be replaced every 200
hours of operation (=at every other basic service).
Before disconnecting the spark plug, clean around
its mounting.
Spark plug
: Champion RC12YC or equivalent.
Electrode distance
: 0.75 mm.
5.11 Air intake
See 10, 11, 12:W. The engine is air-cooled. A
blocked cooling system can damage the engine.
Clean the engine’s air intake after 50 hours of op-
eration. More meticulous cleaning of the cooling
system is carried out during each basic service.
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