bonomi A1M001, Инструкция по безопасности и эксплуатации

Страница: 18 / 21

Elettrosega
Mito
QTHF English
18
h) Pay close attention to the use of this easy and
immediate tensioning system and perform tension
tests before cutting in order to get used to the
tension system
i) Never perform the tension by turning the knob
shown in figure 1, T during the cutting
j) The tensioning of the chain must be carried out with
the guide bar pulled out of the cut and with the
chain stopped. Once the ideal tension has been
reached, as showed on image U,V,Z, page 9 of
this manual, activate the electric saw motion to
check if the tension reached is maintained. If the
tension is optimal, as described in point 4.2, you
can continue with the cutting operations.
k) The correct maneuver is: Remove the guide bar
from the cut, stop the engine visually check the
conditions of extension of the chain with respect to
the guide bar, (the correct chain tension is shown
in figures U, V, Z in page 9) operate, if necessary,
the tensioning operation of the cutting chain by
acting on the knob of fig. 1, T.
l) Since the operation is very simple, it is
recommended to avoid the over tension of the
chain, the excessive tension of the chain is not
recommended before starting the cut and can
reduce the chain life
m) The equipment allows tensioning and give up the
chain with a simple screwing or unscrewing
operation of the indicated knob, it is therefore the
operator's responsibility to realize that
excessive tension can cause damage to the
equipment as well as to people
n) We invite any operators to take good knowledge of
the use of this easy system that on the one hand is
very effective in terms of operator fatigue and
cutting times on the other hand if used with abuse
can induce the chain to work in conditions of
overload and permanently damaging it, thus
creating a dangerous condition.
4.3) Mounting and replacing bar and chain
a) Before mounting or replacing the bar (B) or the
chain (A) make sure the chainsaw is unplugged
(M). Do this operation in a safe place, use
protective gloves and place the product on a stable
surface.
Installing Chain (A) See figure 10, page 10, and follow
these steps:
a) Unscrew and remove the side cover screw (11/A)
b) Remove the cover (11/B);
c)
loosen the 11/A nut on the back of the machine the
guide bar will be released and can slide back and
forth,
d) Using the, tension knob (T). Return the sprocket to
the initial position 11/C,
e) Push the guide bar towards the sprocket 11/D in
order to create the necessary space for inserting the
chain,
f) Easily extract the old chain,
g)
Insert the new chain on the guide bar 10/A and wind
the chain around the guide bar head bearing10/B, to
have the chain saving at the back of the sprocket
10/C,
h) Install the chain on the sprocket proper position
10/C, please note the reverse chain made
specifically for this machine has a sense of cutting,
see fig Y page 9, make sure not to install the chain
in the opposite direction, the assembly of the chain,
i) in the wrong direction compromises the functionality
of the same as well as damage it irreparably,
j) Push the guide bar by positioning the chain in a
manual tension position, see page 6, fig 10/G and
10/H.
k) Screw and fix on the back of the machine body the 2
nut showed on 11/A and secure the guide bar and
the cover to the machine body. Operate with the
knob, T as indicated in 10/L and tension the chain
respecting the indications given in the previous point
4.2
l) Installing Guide Bar (B) see figure 11, page 7, and
follow these steps.
m) Unscrew the nut on the back of the machine 11/C
and remove the cover. The guide bar will be
released and removable 11/D
n) Using the tension knob (T), bring the sprocket back
to its initial position as shown in fig (11/C E 11/C1)
on page 7)
o) Replace the new bar by positioning it in the
predetermined position of the machine body itself.
p) Temporarily tighten the nut on the back, 11/A
making sure that the position of the bar is adequate
to insert also the new chain
q) Proceed with the greasing of the machine using the
special greasers on the back of the machine fig 12/D
r) continue the positioning and tensioning operations of
the chain as indicated in the previous points
4.4) Mounting and replacing the sprocket
The back sprocket wears out and needs to be periodically
replaced; replacement takes place usually every 2 to 3 chain
replacements. See figure 12:
Before starting, make sure the chainsaw is
unplugged (M).
f) Make sure to be in a safe place when performing
this operation. Place the chainsaw on a stable
surface;
g) unscrew and remove the side cover screw (11/A) ;
h) remove the side cover (D) of the chainsaw
i) Remove the elastic spring, from the pinion itself
(12/A) (12/B) ;
j) Clean the housing area of the shaft, leaving a veil
of oil,
k) Replace the old sprocket with a newone
l) Proceed backwards by fitting the new sprocket, the
washer, as shown in figure 12/F
m) Proceed accordingly with the operations described
previously of replacing the chain and or the guide
bar.
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 The electric motor of the diamond chain saw MITO
is controlled by the water-cooled frequency
converter FU6U.
 Operate the frequency converter only with a type B
residual current circuit breaker. Please wait