Bosch 1581AVS Manuale di istruzioni per l'uso e la sicurezza - Pagina 7
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BM 2610991830 2-04
2/9/04
BLADE INSTALLATION
Set the blade orbit selector lever to position III.
Fit the supplied screwdriver into the top
plunger hole and loosen the internal blade
securing screw about 3 to 4 turns counter-
clockwise.
Insert the blade into blade plunger at a 90˚
angle to the cutting direction. With a slight
upward pressure, turn the blade teeth forward
(direction of cut) and guide the back of the
blade into the groove in the center of blade
VARIABLE SPEED CONTROLLED
TRIGGER SWITCH
Your tool is equipped with a variable speed
trigger switch. The tool can be turned "ON" or
"OFF" by squeezing or releasing the trigger. The
speed can be adjusted from the minimum to
maximum nameplate RPM by the pressure you
apply to the trigger. Apply more pressure to
increase the speed and release pressure to
decrease speed.
"LOCK-ON" BUTTON
The "Lock-ON" button, located in the handle
of your tool allows for continuous operation at
maximum RPM without holding the trigger.
TO LOCK TRIGGER "ON": squeeze trigger,
depress button and release trigger.
TO UNLOCK THE TRIGGER: squeeze trigger
and release it without depressing the "Lock-
ON" button.
If the "Lock-ON" button is
WARNING
!
continuously being depressed,
the trigger can not be released.
TRIGGER PRESET SPEED
ADJUSTING DIAL
This feature enables you to preset the trigger
at desired speeds by rotating the dial on the
trigger to a higher or lower setting. Regardless
of the the pressure applied on trigger, the tool
will not operate any faster that the maximum
speed setting selected.
Setting
A-B
Low stroke
C-D
Medium stroke
E
High stroke
10:37 AM
Page 7
Assembly
roller guide. Pull gently down on the blade to
seat the blade tabs in the plunger.
With the blade in the proper position, securely
tighten the blade screw by turning the
screwdriver clockwise.
Removing the blade is essentially the reverse
of the installation procedure, however, take
note that once the blade screw is loosened,
gently push the blade upward to release the
blade tabs from the plunger.
Operating Instructions
The jigsaw cutting speed or stroke rate
required depends on the material being cut,
the type of blade used, and the feed rate
preferred by the operator. The best speed for
a particular application is largely determined by
experience, though as a general rule, slower
speeds are for denser materials and faster
speeds for soft materials. Note that when the
jigsaw is used at low speed settings for any
length of time, the motor temperature will rise
due to the slower speed of the internal cooling
fan.
In such cases, it is necessary to
occasionally run the tool at full speed for a few
minutes to keep the motor operating at high
efficiency.
Maximum cutting efficiency can be obtained
by adjusting the blade orbit selector lever to
suit the material being cut. The following chart
will help you determine which setting to use for
your application. This chart is intended as a
guideline only, and test cuts in scrap material
should be performed first to determine the
best setting.
Setting O
Setting I
Setting II
Setting III
-7-
PLUNGER SPEED
BLADE ORBIT
hard materials such as metals
or thin sheet metals and used
with knife blades, grit edge
blades or rasp work
soft materials where cleaner
cutting or delicate scrolling
work is performed
medium density materials
such as harder woods or
particle board
soft materials such as wood,
plastics, etc.