ST. SpA AB 500 Li 48, Operator'S Manual, Page: 23 / 32

EN - 10
6.1.1 Checking the battery
The machine is supplied without the battery.
Purchase the battery with the capacity that
most suits your operational requirements
and fully charge it according to the
instructions in the battery booklet.
The list of approved batteries for this machine
can be found in the "Technical Data" table.
• Before each use:
– check the battery charge status following the
instructions provided in the battery booklet.
6.1.2 Using the harness (if available)
The harness must be put on before connecting
the machine to the special coupling (Fig.
4.A, 4.C) and the belts must be adjusted
to suit the operator’s height and build.
The belt (Fig. 9.A) must pass over the
right or left shoulder and follow the side.
Never wear the harness across your
body. Wear it over just one shoulder so
you can rapidly move the machine away
from your body in case of danger.
6.1.3 Use of the backpack (if available)
1. Insert the battery in one of the
compartments of the battery backpack
(Fig. 6) and push it completely,
until hearing the click that signals
its locking in position, ensuring
thus the electrical contact;
2. Connect the cable to the backpack
in the specific socket (Fig. 7.A) and
rotate it until hearing the specific click
that signals its locking in position,
ensuring thus the electrical contact;
3. adjust the straps and close the
harness in the front (Fig. 10).
6.2 SAFETY CHECKS
Run the following safety checks and
ensure that the results correspond
to those outlined in the tables.
Always carry out the safety
checks before use.
6.2.1 General check
Object Result
Hand grips (Fig. 1.C.) Are clean, dry and fixed
firmly to the machine
Harness connection
point (Fig. 1.E)
Correctly positioned
Screws on the machine Correctly tightened
(not loose)
Cooling air ducts Not clogged
Blower tube (Fig. 1.B) Correctly installed.
Rotor No signs of damage
Guards No signs of damage
Battery (Fig. 1.F) No damage to the casing,
no liquid leakage
Machine No signs of damage
or wear
Throttle control (Fig. 8.F) It must move freely
and not be forced.
Test driving No abnormal vibrations.
No abnormal sound
6.2.2 Machine operating test
Action Result
1. Fit the battery inside its
housing (par. 7.2.3 ).
2. Switch on the machine
by pressing the
button (Fig. 8.A) .
3. Press the throttle
control (Fig. 8.F).
The machine
starts and the rotor
starts rotating.
1. Release the throttle
control (Fig. 8.F).
1. The control should
return automatically
and quickly to the
neutral position
and the machine
should stop.
If any of the results fail to match
the indications provided in the tables
below, do not use the machine! Take
it to a service centre to be checked
and repaired if necessary.
6.3 START-UP
6.3.1 Start-up with battery
1. Adopt a firm and well-balanced position;
2. make sure that the blower tube is not
directed towards any bystanders or debris;
3. insert the battery correctly in its
housing (Fig. 11) (par. 7.2.3);
4. press the safety button (Fig. 8.A)
5. press the throttle control (Fig. 8.F).