Lawn Tractor 8211 0276 01 Stiga Park Pro20 Pro18 Pro16 Royal President Senator Operators Manual

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START AND OPERATING
ENGINE CASING
To inspect and maintain the engine and battery, re-
move the engine casing as follows:
1. Unscrew the fuel cap/fuel gauge.
2. Carefully lift off the engine casing (fig. 10).
Assembly:
1. Make sure that the front part of the casing fits
into the track in the U-shaped attachment on the
machine (fig. 11).
2. Place the casing over the lip on each side
(fig. 11).
3. Make sure that the pins on the back edge of the
casing go down into the respective holes (fig. 12)....

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must stop (applies to President, Royal, Pro16,
Pro18, Pro20).
- press the drive pedal so that the machine starts
to move, engage the cruise control, lift your
weight off the seat – the machine must stop (ap-
plies to Royal, Pro16, Pro18, Pro20).
- press the drive pedal so that the machine starts
to move, engage the cruise control, press the
brake pedal – the machine must stop (applies to
Royal, Pro16, Pro18, Pro20).
- engage the power take-off, lift your weight off
the seat – the engine must...

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sition.
The steering is adapted in order to produce better
results at a normal working speed.
Even when the engine is not running, the steering
works. However, it is harder to turn in this case, if
the machine is to be manoeuvred manually.
OPERATING
Make sure that there is the correct quantity of oil in
the engine when driving on slopes (oil level on
“FULL”).
Be careful when driving on slopes. No
sudden starting or stopping when mov-
ing up or down a slope. Never drive
across a slope. Move from...

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1a. Oil drain hose (rubber):
Loosen the oil drain hose from the fastener. Bend
it out of the engine.
1b. Oil drain pipe (metal):
Unscrew the oil drain plug at the end of the pipe.
Let the oil run out into a collection vessel. Then
take the oil to a recycling station. Do not allow
oil to get on the V-belts.
2a. Bend up the oil drain hose and attach it firmly
to the fastener.
2b. Screw up the oil drain plug. Make sure that the
fibre gasket and the O-ring inside the plug are not
damaged and that...

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check the spark of the sparking plug(s) (fig. 23).
Clean the sparking plug after every 100 hours of
operation or once a season. For replacing a spark-
ing plug, a sparking plug sleeve A and a torsion pin
B are provided in the accessories bag.
The engine manufacturer recommends:
Senator-President: Champion J19LM
Royal-Pro16-Pro18-Pro20: Champion RC12YC
The correct distance between the electrodes is 0.75
mm.
COOLING AIR INTAKE - ENGINE
The engine is air-cooled. A blocked cooling sys-
tem can...

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STEERING CHAINS (Pro16 - Pro18 -
Pro20)
Adjust the steering chains after every 50 hours of
operation.
Put the machine in the straight-ahead position.
Tension the steering chains by tightening up the
nuts that are located on the underside of the articu-
lated steering joint (fig. 27). Tension until all play
is removed.
Adjust both the nuts the same amount to ensure
that the alignment of the steering wheel is not
changed.
Do not over-tighten the steering chain. This will
cause the steering to...