Thermal Motor Overload Protection; Safety Devices; Safety Plug; Motor Run-Down Brake - Viking MA 339 Manual De Instrucciones

10.4 If the mowing blade blocks
Switch off the motor immediately and
disconnect the safety plug. Then eliminate
the cause of the fault.
10.5 Thermal motor overload
protection
If an overload of the motor occurs during
operation, the built-in thermal overload
protection device automatically switches
off the motor.
Causes for an overload:
– mowing excessively high grass or
cutting height adjusted too low,
– excessive rate of feed,
– inadequate cleaning of the cooling air
guide (inlet slots).
Recommencing operation
Resume normal operation of the machine
following a cooling period of up to 10 min
(depending on the ambient temperature)
( 12.).

11. Safety devices

11.1 Safety plug

The motor can only be switched on when
the safety plug is inserted (
0478 131 9917 G - EN
11.2 Two-hand operation
The motor can only be switched on by
pressing and holding the start button with
the right hand and then pulling the
motorstop lever to the handlebar with the
left hand.

11.3 Motor run-down brake

When the motorstop lever is released, the
mowing blade comes to a complete
standstill in less than three seconds.
An integrated motor run-down brake
shortens the run-down time until the blade
stops.

12. Operating the machine

12.1 Preparations
Risk of injury:
Observe the safety instructions in
the section "For your safety" (
● Charge battery (
● Insert safety plug (

12.2 Switching on lawn mower

Do not start the motor in high grass
9.1).
or when the mower is set to the
lowest cutting height, as this makes
starting difficult.
● Press and hold down start button (1).
Pull motorstop lever (2) to handlebar
and hold.
● Start button (1) can be released once
motorstop lever (2) is pressed.

12.3 Switching off lawn mower

● Release motorstop lever (1).
Motor and mowing blade come to
a stop after a short run-down time.
12.4 Level indicator
The grass catcher box features a
level indicator (1) on the upper part
of the catcher box.
The flow of air that is created by the rotary
movement of the mowing blade and is
responsible for filling the grass catcher box
raises the level indicator (2):
The grass catcher box is filled with
clippings.
When the grass catcher box is full, this
flow of air is reduced and the level
indicator drops (3):
● Empty filled grass catcher box (
4.).
8.4).

12.5 Emptying grass catcher box

9.1).
● Switch off motor (
detach grass catcher box
(
● Open grass catcher box at tab (1) and
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open upper part of the grass catcher
box (2) upwards.
● Hold grass catcher box by handles in
upper part of grass catcher box (3) and
in lower part of grass catcher box (4)
and empty it.
12.3) and
9.5).
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12.5).
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