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Genesis G20MAX GLJS20B Manuel D'utilisation page 9

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BLADE SELECTION
to obtain the best performance from the jig saw, it is
important to select a specific blade for the particular
application and type of material you wish to cut.
refer to Table 1 for guidance in selecting the appropriate
blade.
TABLE 1
Material Type
Blade
Type
laminate
wood
Countertop
Cutting
non-ferrous
Metals
soft Metals
Metal
(aluminum,
Cutting
copper, brass
sheet metal, etc)
ferrous
Metal
Metals
Cutting
Metal
Plastics and PVC
Cutting
Plywood,
wood
Decking, and
Cutting
hardwood
general lumber
wood
Cutting
NOTE:
this tool is designed to work with t-shank
blades. other types of saw blades are not guaranteed to
work properly and may come loose from the tool.
NOTE:
Depending on the blade being used, make sure
the final finished side of the material faces away from the
direction of cut to reduce tearout.
GENERAL CUTTING
• Place the front part of the base on the edge of the
material to be cut, aligning the blade with the cutline. Do
not allow the blade to contact the material at this time.
• when ready, push the lock-off switch to either side and
slowly begin to pull the switch.
• guide the blade along the cutline, increasing speed
based on your comfort level with the jig saw.
• Do not force the saw, as this will lead to a poor cut and
could potentially break the blade.
NOTE:
if you need to stop before completing the cut,
pull the saw back slightly so the blade is not in contact with
the workpiece. then, restart the saw slowly and resume
cutting.
SCROLL CUTTING
NOTE:
while you can cut curved patterns with any of
the jig saw blades, a scrolling blade allows you to make
the tightest turns.
• if the pattern to be cut is accessible from the edge, start
the cut as described in general Cutting, following the
cutline until completion.
APPLICATIONS
orbital
Tpi
Speed
Setting
(Teeth per inch)
Setting
10-12
0
(Downward
Cutting blade)
0
18-24
0
14-18
1
10-12
1
6-12
2
6-10
• if the pattern to be cut cannot start from the outer edge
of the material, a hole must be drilled to allow the blade
access, or a plunge cut must be used to start the cut.
(refer to Plunge Cutting section for guidance).
METAL CUTTING
NOTE:
when cutting metal, make sure the tool is set to
the "0" orbit mode and use a metal cutting blade.
• secure the metal to be cut using clamps, or for pipes,
use a vise to prevent movement during cutting.
• use cutting oil and a slow speed to keep metal cool and
high
improve the cutting action.
• Keep the saw bar clean of metal shavings, wipe it with
an oily cloth if needed.
slow
PLUNGE CUTTING
pre-Drill Method:
1.
Drill a hole large enough for the blade to fit through on
slow
the inside (waste portion) of a straight section of the
pattern to be cut.
slow
2.
insert the blade and start the cut slowly, gradually
increasing speed based on the material being cut and
high
your comfort level.
no-Drill Method (FiG 7-9):
high
1.
locate the straightest section of the pattern to be cut,
positioning the front of the base over the cutline with the
blade directly above and almost parallel to the material.
2.
start the cut at a slow speed, gradually tilting the blade
downward toward the material. see fig 7.
3.
once the blade begins to create a slot, maintain the
position of the base and slowly tilt the blade deeper until
it cuts through the material. see fig 8.
4. lower the base until it rests flat on the surface of the
material and continue cutting along the line, increasing
speed as necessary based on the material and your
comfort level. see fig 9.
ENGLISH
FIG 7
9

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