ST. SpA NP 534 Series, Operator'S Manual

Page: 41 / 113

EN - 4
OPERATING INSTRUCTIONS
For information on the engine and the battery (if sup -
plied), read the relevant owner manuals.
NOTE – The number which precedes each paragraph
links the references in the text to the respective illus -
trations (listed on page iii and following pages).
1. COMPLETE ASSEMBLY
NOTE The machine can be supplied with some parts al-
ready assembled.
WARNING! Unpacking and completing the assem-
bly should be done on a flat and stable surface, with
enough space for moving the machine and its packag-
ing, always making use of suitable equipment.
Disposal of the packaging should be done in accord-
ance with the local regulations in force.
1.1a Assembling the handle (Type“I”)
Fasten the handle (1) to the chassis brackets with the sup -
plied nuts and bolts (2) as illustrated, making sure the pins
(3) are inserted in the proper holes, bringing the handle to
the right height.
Secure the control cables using the binders (5).
• Manual ignition models
• Electric key ignition models
Assemble the starter cable’s guide spiral (4).
1.1b Assembling the handle (Type“II”)
Return the handle (1) to the working position and secure it
to the side chassis supports using the supplied nuts and
bolts (2) as illustrated.
The handle (1) can be height-adjusted in three different po -
sitions by inserting the pins (3) in one of the three pairs of
holes on the brackets.
Tighten the thumb knobs (2) securely after adjustment.
Tighten the nut (6) to secure the spiral (5).
• Manual ignition models
• Electric key ignition models
Insert the starter cable (4) to the guide spiral (5).
1.2 Assembling the dashboard (if fitted)
Assemble the dashboard (1) or (1A) following the steps
shown for each type.
With a “1A” dashboard, make sure to correctly fit the knobs
(2-short) and (3-long, if supplied).
1.3 Battery connection
• Electric key ignition models
Connect the battery cable to the general wiring connec -
tor on the lawnmower.
• Electric push-button ignition models
Insert the supplied battery in the relative engine com -
partment (par. 3.2b, “III - “IV”).
2. CONTROLS DESCRIPTION
NOTE The meanings of the symbols on controls are ex -
plained in the previous pages.
2.1 Throttle lever
The throttle is controlled by the lever (1).
Lever positions are indicated on the relevant plate.
Some models have a fixed speed engine with no need for
a throttle.
2.2 Engine brake lever / cutting means
The cutting means brake is controlled by the lever (1) which
must be held against the handle during ignition and during
lawnmower operations.
The engine stops when the lever is released.
2.3 Drive lever (where applicable)
On power-driven models, push the lever (1) toward the han -
dle for forward movement.
The lawnmower stops moving forward when the lever is
released.
The engine must always be ignited with the drive disen -
gaged.
WARNING! To prevent damage to the transmis-
sion, do not pull the machine backwards with the
transmission engaged.
2.4 Cutting height adjustment
The gearbox (if provided) is controlled by the lever (1),
whose positions are shown on the plate.
2.5 Converter control lever (if fitted)
In the models with drive systems, the converter control
lever (if fitted) allows the operator to regulate forward ge -
ar speed.
To do so, move the lever (1) following the indications provi -
ded near the control lever.
IMPORTANT The engine must be running and the drive
engaged when switching from one speed to another.
Do not touch the converter control when the engine is stop-
ped. Doing this could damage the converter.
NOTE If the machine does not move forward with the le-
ver in the « » position, simply move the lever to « » and
then immediately return to the « » position.
2.6a Adjusting the cutting height (Type “A”)
The cutting height is adjusted by releasing the lever (1) and
lifting or pressing the chassis to the desired position visible
through the special opening.
DO THIS WHEN THE CUTTING MEANS IS STATIONARY.
2.6b Adjusting the cutting height (Type “B”)
The cutting height is adjusted by releasing the button (1)
and lifting or pressing the chassis to the desired position
indicated by the arrow.
DO THIS WHEN THE CUTTING MEANS IS STATIONARY.
3. GRASS CUTTING
NOTE This machine can be used to mow lawns in a
number of different ways; before starting work, prepare the
machine based on how the lawn is to be mowed.
DO THIS WHEN THE ENGINE IS OFF.
3.1 Preparation for mowing and grass collection by
the grass catcher