Jonsered SM 2055 E Chainsaw User Manual


 
English 15
DESCRIPTION
Safety Devices
The one-man sawmill is fitted with a number of safety
devices, which are described under the headings
below.
WARNING!
The one-man sawmillmust not be
started if any of the safety devices
have been removed, are defective, or
are not working.
!
Saw chain guard (FIG. 17)
A protective loop (8) is installed as a guard over the
saw chain.
Starter electric motor (FIG. 18)
The electrically powered sawmill is equipped with a
main switch (A), connector with phase inverter (27) as
well as a start button (29) with safety switch (37) and
stop button (32). The sawmill stops as soon as the
safety switch is released. The starter, which is located
on the handlebar (16), is equipped with a 0-volt trigger.
This means that the sawmills electric motor must be
restarted after a power outage.
Chain brake (FIG. 17)
The chain is started with a centrifugal clutch on both
the sawmill with the chain saw engine and the electric
sawmill. As soon as the engine speed drops, the chain
is disengaged and then stops.
FIG. 17
FIG. 18
FIG. 19
FIG. 20
8
37
29
27
31
30
Stop button chain saw engine
(FIG. 19)
On the chain saw engine there is a stop button on the
engine body, see the chain saw operators manual.
Starter electric motor with feed
(FIG. 20)
The starter is equipped with a safety switch (37) and
start button (29), with which the saw motor is started.
The safety switch must be activated throughout the
entire cutting process, as the saw motor and hence the
feed stop as soon as the safety switch is released. The
feed starts when the start button (30) is activated and
controlled variably with the control (31). The saw
carriage can be returned by activating the start button,
as soon as the saw motor has stopped. The feed then
changes direction and returns. The speed is controlled
variably with the control (31). The starter is equipped
with a phase inverter (27) in the connector.
A
27
16
29
32
37