Bosch GKS 65 CE manual

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  • Brand: Bosch
  • Product: Saw
  • Model/name: GKS 65 CE
  • Filetype: PDF
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Table of Contents

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GKS 65 CE
Professional
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en
Safety Notes
General Power Tool Safety Warnings
Read all safety warnings and all
instructions. Failure to follow
the warnings and instructions may result in elec-
tric shock, fire and/or serious injury.
Save all warnings and instructions for future
reference.
The term “power tool” in the warnings refers to
your mains-operated (corded) power tool or
battery-operated (cordless) power tool.
1) Work area safety
a) Keep work area clean and well lit. Clut-
tered or dark areas invite accidents.
b) Do not operate power tools in explosive
atmospheres, such as in the presence of
flammable liquids, gases or dust. Power
tools create sparks which may ignite the
dust or fumes.
c) Keep children and bystanders away
while operating a power tool. Distrac-
tions can cause you to lose control.
2) Electrical safety
a) Power tool plugs must match the outlet.
Never modify the plug in any way. Do not
use any adapter plugs with earthed
(grounded) power tools. Unmodified
plugs and matching outlets will reduce
risk of electric shock.
b) Avoid body contact with earthed or
grounded surfaces, such as pipes, radia-
tors, ranges and refrigerators. There is
an increased risk of electric shock if your
body is earthed or grounded.
c) Do not expose power tools to rain or wet
conditions. Water entering a power tool
will increase the risk of electric shock.
d) Do not abuse the cord. Never use the
cord for carrying, pulling or unplugging
the power tool. Keep cord away from
heat, oil, sharp edges and moving parts.
Damaged or entangled cords increase the
risk of electric shock.
e) When operating a power tool outdoors,
use an extension cord suitable for out-
door use. Use of a cord suitable for out-
door use reduces the risk of electric
shock.
f) If operating a power tool in a damp loca-
tion is unavoidable, use a residual cur-
rent device (RCD) protected supply. Use
of an RCD reduces the risk of electric
shock.
3) Personal safety
a) Stay alert, watch what you are doing and
use common sense when operating a
power tool. Do not use a power tool
while you are tired or under the influ-
ence of drugs, alcohol or medication. A
moment of inattention while operating
power tools may result in serious person-
al injury.
b) Use personal protective equipment. Al-
ways wear eye protection. Protective
equipment such as dust mask, non-skid
safety shoes, hard hat, or hearing protec-
tion used for appropriate conditions will
reduce personal injuries.
c) Prevent unintentional starting. Ensure
the switch is in the off-position before
connecting to power source and/or bat-
tery pack, picking up or carrying the
tool. Carrying power tools with your fin-
ger on the switch or energising power
tools that have the switch on invites acci-
dents.
d) Remove any adjusting key or wrench be-
fore turning the power tool on. A wrench
or a key left attached to a rotating part of
the power tool may result in personal inju-
ry.
e) Do not overreach. Keep proper footing
and balance at all times. This enables
better control of the power tool in unex-
pected situations.
f) Dress properly. Do not wear loose cloth-
ing or jewellery. Keep your hair, clothing
and gloves away from moving parts.
Loose clothes, jewellery or long hair can
be caught in moving parts.
WARNING
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1 609 929 K95 | (11.5.09) Bosch Power Tools
g) If devices are provided for the connec-
tion of dust extraction and collection fa-
cilities, ensure these are connected and
properly used. Use of dust collection can
reduce dust-related hazards.
4) Power tool use and care
a) Do not force the power tool. Use the cor-
rect power tool for your application. The
correct power tool will do the job better
and safer at the rate for which it was de-
signed.
b) Do not use the power tool if the switch
does not turn it on and off. Any power
tool that cannot be controlled with the
switch is dangerous and must be re-
paired.
c) Disconnect the plug from the power
source and/or the battery pack from the
power tool before making any adjust-
ments, changing accessories, or storing
power tools. Such preventive safety
measures reduce the risk of starting the
power tool accidentally.
d) Store idle power tools out of the reach of
children and do not allow persons unfa-
miliar with the power tool or these in-
structions to operate the power tool.
Power tools are dangerous in the hands of
untrained users.
e) Maintain power tools. Check for mis-
alignment or binding of moving parts,
breakage of parts and any other condi-
tion that may affect the power tool’s op-
eration. If damaged, have the power tool
repaired before use. Many accidents are
caused by poorly maintained power tools.
f) Keep cutting tools sharp and clean. Prop-
erly maintained cutting tools with sharp
cutting edges are less likely to bind and
are easier to control.
g) Use the power tool, accessories and tool
bits etc. in accordance with these in-
structions, taking into account the work-
ing conditions and the work to be per-
formed. Use of the power tool for
operations different from those intended
could result in a hazardous situation.
5) Service
a) Have your power tool serviced by a qual-
ified repair person using only identical
replacement parts. This will ensure that
the safety of the power tool is maintained.
Safety Warnings for Circular Saws
f DANGER: Keep hands away from cutting ar-
ea and the blade. Keep your second hand on
auxiliary handle, or motor housing. If both
hands are holding the saw, they cannot be
cut by the blade.
f Do not reach underneath the workpiece.
The guard cannot protect you from the blade
below the workpiece.
f Adjust the cutting depth to the thickness of
the workpiece. Less than a full tooth of the
blade teeth should be visible below the work-
piece.
f Never hold the workpiece being cut in your
hands or across your leg. Secure the work-
piece to a stable platform. It is important to
support the work properly to minimize body
exposure, blade binding, or loss of control.
f Hold the power tool only by the insulated
gripping surfaces when performing an oper-
ation where the cutting tool may contact
hidden wiring or its own cord. Contact with
a “live” wire will also make exposed metal
parts of the power tool “live” and shock the
operator.
f When ripping always use a rip fence or
straight edge guide. This improves the accu-
racy of cut and reduces the chance of blade
binding.
f Always use blades with correct size and
shape (diamond versus round) of arbour
holes. Blades that do not match the mount-
ing hardware of the saw will run eccentrical-
ly, causing loss of control.
f Never use damaged or incorrect blade
washers or bolt. The blade washers and bolt
were specially designed for your saw, for op-
timum performance and safety of operation.
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Bosch Power Tools 1 609 929 K95 | (11.5.09)
f Causes and operator prevention of kick-
back:
– Kickback is a sudden reaction to a
pinched, bound or misaligned saw blade,
causing an uncontrolled saw to lift up and
out of the workpiece toward the operator.
– When the blade is pinched or bound tightly
by the kerf closing down, the blade stalls and
the motor reaction drives the unit rapidly
back toward the operator.
– If the blade becomes twisted or misaligned
in the cut, the teeth at the back edge of the
blade can dig into the top surface of the
wood causing the blade to climb out of the
kerf and jump back toward the operator.
Kickback is the result of saw misuse and/or
incorrect operating procedures or conditions
and can be avoided by taking proper precau-
tions as given below.
f Maintain a firm grip with both hands on the
saw and position your arms to resist kick-
back forces. Position your body to either
side of the blade, but not in line with the
blade. Kickback could cause the saw to jump
backwards, but kickback forces can be con-
trolled by the operator, if proper precautions
are taken.
f When blade is binding, or when interrupting
a cut for any reason, release the trigger and
hold the saw motionless in the material un-
til the blade comes to a complete stop. Nev-
er attempt to remove the saw from the
work or pull the saw backward while the
blade is in motion or kickback may occur.
Investigate and take corrective actions to
eliminate the cause of blade binding.
f When restarting a saw in the workpiece,
centre the saw blade in the kerf and check
that saw teeth are not engaged into the ma-
terial. If saw blade is binding, it may walk up
or kickback from the workpiece as the saw is
restarted.
f Support large panels to minimise the risk of
blade pinching and kickback. Large panels
tend to sag under their own weight. Sup-
ports must be placed under the panel on
both sides, near the line of cut and near the
edge of the panel.
f Do not use dull or damaged blades. Un-
sharpened or improperly set blades produce
narrow kerf causing excessive friction, blade
binding and kickback.
f Blade depth and bevel adjusting locking le-
vers must be tight and secure before mak-
ing cut. If blade adjustment shifts while cut-
ting, it may cause binding and kickback.
f Use extra caution when making a “plunge
cut” into existing walls or other blind areas.
The protruding blade may cut objects that
can cause kickback.
f Check lower guard for proper closing be-
fore each use. Do not operate the saw if
lower guard does not move freely and close
instantly. Never clamp or tie the lower
guard into the open position. If saw is acci-
dentally dropped, lower guard may be bent.
Raise the lower guard with the retracting
handle and make sure it moves freely and
does not touch the blade or any other part, in
all angles and depths of cut.
f Check the operation of the lower guard
spring. If the guard and the spring are not
operating properly, they must be serviced
before use. Lower guard may operate slug-
gishly due to damaged parts, gummy depos-
its, or a build-up of debris.
f Lower guard should be retracted manually
only for special cuts such as “plunge cuts”
and “compound cuts”. Raise lower guard by
retracting handle and as soon as blade en-
ters the material, the lower guard must be
released. For all other sawing, the lower
guard should operate automatically.
f Always observe that the lower guard is cov-
ering the blade before placing saw down on
bench or floor. An unprotected, coasting
blade will cause the saw to walk backwards,
cutting whatever is in its path. Be aware of
the time it takes for the blade to stop after
switch is released.
f Do not reach into the saw dust ejector with
your hands. They could be injured by rotat-
ing parts.
f Do not work overhead with the saw. In this
manner you do not have sufficient control
over the power tool.
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f Use suitable detectors to determine if utili-
ty lines are hidden in the work area or call
the local utility company for assistance.
Contact with electric lines can lead to fire
and electric shock. Damaging a gas line can
lead to explosion. Penetrating a water line
causes property damage or may cause an
electric shock.
f Do not operate the power tool stationary. It
is not designed for operation with a saw ta-
ble.
f Do not use high speed steel (HSS) saw
blades. Such saw blades can easily break.
f Do not saw ferrous metals. Red hot chips
can ignite the dust extraction.
f When working with the machine, always
hold it firmly with both hands and provide
for a secure stance. The power tool is guided
more secure with both hands.
f Secure the workpiece. A workpiece clamped
with clamping devices or in a vice is held
more secure than by hand.
f Always wait until the machine has come to
a complete stop before placing it down. The
tool insert can jam and lead to loss of control
over the power tool.
f Never use the machine with a damaged ca-
ble. Do not touch the damaged cable and
pull the mains plug when the cable is dam-
aged while working. Damaged cables in-
crease the risk of an electric shock.
Products sold in GB only: Your product is fitted
with an BS 1363/A approved electric plug with
internal fuse (ASTA approved to BS 1362).
If the plug is not suitable for your socket outlets,
it should be cut off and an appropriate plug fit-
ted in its place by an authorised customer serv-
ice agent. The replacement plug should have the
same fuse rating as the original plug.
The severed plug must be disposed of to avoid a
possible shock hazard and should never be in-
serted into a mains socket elsewhere.
Products sold in AUS and NZ only: Use a resid-
ual current device (RCD) with a rated residual
current of 30 mA or less.
Functional Description
Read all safety warnings and all in-
structions. Failure to follow the
warnings and instructions may re-
sult in electric shock, fire and/or se-
rious injury.
While reading the operating instructions, unfold
the graphics page for the machine and leave it
open.
Intended Use
GKS 65:
The machine is intended for lengthways and
crossways cutting of wood with straight cutting
lines as well as mitre cuts in wood while resting
firmly on the workpiece. With suitable saw
blades, thin-walled non-ferrous metals, e. g.,
profiles, can also be sawed.
Working ferrous metals is not permitted.
GKS 65 CE:
The machine is intended for lengthways and
crossways cutting of wood with straight cutting
lines as well as mitre cuts in wood while resting
firmly on the workpiece. With suitable saw
blades, thin-walled non-ferrous metals, e. g.,
profiles, light uilding materials and plastic can
also be sawed.
Working ferrous metals is not permitted.
Product Features
The numbering of the product features refers to
the illustration of the machine on the graphics
page.
1 On/Off switch
2 Lock-off button for On/Off switch
3 Thumbwheel for speed preselection
(GKS 65 CE)
4 Auxiliary handle
5 Spindle lock button
6 Scale for mitre angle
7 Wing bolt for parallel guide
8 Clamping lever for bevel-angle preselection
9 Cutting mark, 45°
10 Cutting mark, 0°
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11 Parallel guide
12 Retracting blade guard
13 Base plate
14 Lever for retracting blade guard
15 Sawdust ejector
16 Blade guard
17 Allen key
18 Clamping bolt with washer
19 Clamping flange
20 Saw blade*
21 Mounting flange
22 Saw spindle
23 Fastening screw for extraction adapter*
24 Extraction adapter*
25 Clamping lever for cutting-depth
preselection
26 Cutting-depth scale
27 Wing bolt for bevel-angle preselection
28 Screw for fine-adjustment of the bevel angle
29 Set of screw clamps*
30 Guide rail*
31 Connection piece*
32 Vacuum hose*
33 Guide-rail adapter*
*Accessories shown or described are not part of the
standard delivery scope of the product. A complete
overview of accessories can be found in our acces-
sories program.
Noise/Vibration Information
Measured values determined according to
EN 60745.
Typically the A-weighted noise levels of the
product are: Sound pressure level 95 dB(A);
Sound power level 106 dB(A). Uncertainty
K =3 dB.
Wear hearing protection!
Vibration total values (triax vector sum) deter-
mined according to EN 60745:
Vibration emission value ah =3.0 m/s2
, Uncer-
tainty K =1.5 m/s2
.
The vibration emission level given in this infor-
mation sheet has been measured in accordance
with a standardised test given in EN 60745 and
may be used to compare one tool with another.
It may be used for a preliminary assessment of
exposure.
The declared vibration emission level repre-
sents the main applications of the tool. However
if the tool is used for different applications, with
different accessories or poorly maintained, the
vibration emission may differ. This may signifi-
cantly increase the exposure level over the total
working period.
An estimation of the level of exposure to vibra-
tion should also take into account the times
when the tool is switched off or when it is run-
ning but not actually doing the job. This may sig-
nificantly reduce the exposure level over the to-
tal working period.
Identify additional safety measures to protect
the operator from the effects of vibration such
as: maintain the tool and the accessories, keep
the hands warm, organisation of work patterns.
Declaration of Conformity
We declare under our sole responsibility that
the product described under “Technical Data” is
in conformity with the following standards or
standardization documents: EN 60745 accord-
ing to the provisions of the directives
2004/108/EC, 98/37/EC (until 28 Dec 2009),
2006/42/EC (from 29 Dec 2009).
Technical file at:
Robert Bosch GmbH, PT/ESC,
D-70745 Leinfelden-Echterdingen
Robert Bosch GmbH, Power Tools Division
D-70745 Leinfelden-Echterdingen
09.04.2009
Dr. Egbert Schneider
Senior Vice President
Engineering
Dr. Eckerhard Strötgen
Head of Product
Certification
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Technical Data
Circular Saw GKS 65
Professional
GKS 65 CE
Professional
Article number 3 601 F67 0.. 3 601 F68 7..
Rated power input W 1600 1800
No-load speed min-1
5900 2300 – 5000
Rotational speed under load, max. min-1
4200 1400 – 4000
Cutting depth, max.
– for 0° bevel angle
– for 45° bevel angle
mm
mm
65
48
65
48
Spindle lock z z
Speed preselection – z
Constant electronic control – z
Temperature Dependent Overload Protection – z
Reduced starting current – z
Base plate dimensions mm 170 x 305 170 x 305
Saw blade diameter, max. mm 190 190
Saw blade diameter, min. mm 184 184
Blade thickness, max. mm 1.7 1.7
Tooth thickness/setting, max. mm 2.6 2.6
Tooth thickness/setting, min. mm 1.8 1.8
Mounting bore mm 30 30
Weight according to EPTA-Procedure 01/2003 kg 4.8 4.9
Protection class / II / II
The values given are valid for nominal voltages [U] of 230/240 V. For lower voltage and models for specific countries,
these values can vary.
Please observe the article number on the type plate of your machine. The trade names of the individual machines
may vary.
Only for power tools without reduced starting current: Starting cycles generate brief voltage drops. Interference with
other equipment/machines may occur in case of unfavourable mains system conditions. Malfunctions are not to be
expected for system impedances below 0.36 ohm.
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Assembly
Mounting/Replacing the Saw Blade
f Before any work on the machine itself, pull
the mains plug.
f When mounting the saw blade, wear protec-
tive gloves. Danger of injury when touching
the saw blade.
f Only use saw blades that correspond with
the characteristic data given in the operat-
ing instructions.
f Do not under any circumstances use grind-
ing discs as the cutting tool.
Selecting a Saw Blade
An overview of recommended saw blades can
be found at the end of this manual.
Removal of the Saw Blade (see figure A)
For changing the cutting tool, it is best to place
the machine on the face side of the motor hous-
ing.
– Press the spindle lock button 5 and keep it
pressed.
f The spindle lock button 5 may be actuated
only when the saw spindle is at a standstill.
Otherwise, the power tool can be damaged.
– With the Allen key 17, unscrew the clamping
bolt 18 turning in rotation direction n.
– Tilt back the retracting blade guard 12 and
hold firmly.
– Remove the clamping flange 19 and the saw
blade 20 from the saw spindle 22.
Mounting the Saw Blade (see figure A)
For changing the cutting tool, it is best to place
the machine on the face side of the motor hous-
ing.
– Clean the saw blade 20 and all clamping
parts to be assembled.
– Tilt back the retracting blade guard 12 and
hold firmly.
– Place the saw blade 20 on to the mounting
flange 21. The cutting direction of the teeth
(direction or arrow on saw blade) and the di-
rection-of-rotation arrow on the blade guard
16 must correspond.
– Mount the clamping flange 19 and screw in
the clamping bolt 18 turning in rotation di-
rection o. Observe correct mounting posi-
tion of mounting flange 21 and clamping
flange 19.
– Press the spindle lock button 5 and keep it
pressed.
– With the Allen key 17, tighten the clamping
bolt 18 turning in rotation direction o. The
tightening torque is between 6–9 Nm, which
corresponds to hand tight plus ¼ turn.
Dust/Chip Extraction
f Before any work on the machine itself, pull
the mains plug.
f Dusts from materials such as lead-containing
coatings, some wood types, minerals and
metal can be harmful to one’s health. Touch-
ing or breathing-in the dusts can cause aller-
gic reactions and/or lead to respiratory infec-
tions of the user or bystanders.
Certain dusts, such as oak or beech dust, are
considered as carcinogenic, especially in
connection with wood-treatment additives
(chromate, wood preservative). Materials
containing asbestos may only be worked by
specialists.
– Use dust extraction whenever possible.
– Provide for good ventilation of the work-
ing place.
– It is recommended to wear a P2 filter-
class respirator.
Observe the relevant regulations in your
country for the materials to be worked.
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Mounting the Extraction Adapter
(see figure B)
Attach the extraction adapter 24 onto the saw-
dust ejector 15 until it latches. Secure the ex-
traction adapter 24 additionally with the screw
23.
A vacuum hose with a diameter of 35 mm can be
connected to the extraction adapter 24.
f The extraction adapter may not be mounted
when no external dust extraction is con-
nected. Otherwise the extraction channel
can become clogged.
f Do not connect a dust bag to the extraction
adapter. Otherwise the extraction system
can become clogged.
To ensure optimum extraction, the extraction
adapter 24 must be cleaned regularly.
External Dust Extraction
Connect the vacuum hose 32 to a vacuum clean-
er (accessory). An overview for connecting to
various vacuum cleaners can be found at the
end of this manual.
The machine can be plugged directly into the re-
ceptacle of a Bosch all-purpose vacuum cleaner
with remote starting control. The vacuum clean-
er starts automatically when the machine is
switched on.
The vacuum cleaner must be suitable for the ma-
terial being worked.
When vacuuming dry dust that is especially det-
rimental to health or carcinogenic, use a special
vacuum cleaner.
Operation
Operating Modes
f Before any work on the machine itself, pull
the mains plug.
Adjusting the Cutting Depth (see figure C)
f Adjust the cutting depth to the thickness of
the workpiece. Less than a full tooth of the
blade teeth should be visible below the work-
piece.
Loosen the clamping lever 25. For a smaller cut-
ting depth, pull the saw away from the base
plate 13; for a larger cutting depth, push the
saw toward the base plate 13. Adjust the de-
sired cutting depth at the cutting-depth scale.
Tighten the clamping lever 25 again.
If the cutting depth cannot be fully adjusted af-
ter loosening clamping lever 25, pull clamping
lever 25 away from the saw and swivel it down-
ward. Release the clamping lever 25 again. Re-
peat this procedure until the requested cutting
depth can be adjusted.
If the cutting depth cannot be sufficiently locked
after tightening clamping lever 25, pull clamping
lever 25 away from the saw and swivel it up-
ward. Release the clamping lever 25 again. Re-
peat this procedure until the cutting depth is
locked.
Adjusting the Cutting Angle
It is best to place the machine on the face side
of the blade guard 16.
Loosen clamping lever 8 and wing bolt 27. Tilt
the saw sideward. Set the requested angle at
the scale 6. Tighten clamping lever 8 and wing
bolt 27 again.
Note: For bevel cuts, the cutting depth is small-
er than the setting indicated on the cutting-
depth scale 26.
Adjusting the Bevel Angle (see figure D)
Loosen clamping lever 25 and adjust the maxi-
mal cutting depth. Loosen clamping lever 8 and
wing bolt 27, and adjust a 0° bevel angle at
scale 6. Tighten clamping lever 8 and wing bolt
27, and then clamping lever 25.
Check the bevel angle between saw blade 20
and base plate 13 with a commercially available
angle measurer. When the measured angle is
not exactly 90°, fine-adjustment is possible by
turning screw 28.
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Bosch Power Tools 1 609 929 K95 | (11.5.09)
Cutting Marks
The 0° cutting mark (10) indicates the position
of the saw blade for right-angled cuts. The 45°
cutting mark (9) indicates the position of the
saw blade for 45° cuts.
For precise cuts, position the circular saw
against the workpiece as shown in the figure. It
is best to carry out a trial cut.
Starting Operation
f Observe correct mains voltage! The voltage
of the power source must agree with the
voltage specified on the nameplate of the
machine. Power tools marked with 230 V
can also be operated with 220 V.
Switching On and Off
To start the machine, first push the lock-off but-
ton for the On/Off switch 2 and then press the
On/Off switch 1 and keep it pressed.
To switch off the machine, release the On/Off
switch 1.
Note: For safety reasons, the On/Off switch 1
cannot be locked; it must remain pressed during
the entire operation.
Reduced starting current (GKS 65 CE)
The electronic reduced starting current limits
the power consumption when switching the tool
on and enables operation from a 13 ampere
fuse.
Constant Electronic Control (GKS 65 CE)
Constant electronic control holds the speed
constant at no-load and under load, and ensures
uniform working performance.
Temperature Dependent Overload Protection
(GKS 65 CE)
In case of overload, the machine switches off
until the optimal operating-temperature range is
reached again. Release the On/Off switch 1 and
switch the machine on again to continue work-
ing.
Speed preselection (GKS 65 CE)
The required speed can be preselected with the
thumbwheel 3 (also while running).
The required speed depends on the saw blade
being used and on the material being worked
(see overview of saw blades at the end of these
operating instructions).
Working Advice
Protect saw blades against impact and shock.
Guide the machine evenly and with light feed in
the cutting direction. Excessive feed significant-
ly reduces the service life of the saw blade and
can cause damage to the power tool.
Sawing performance and cutting quality depend
essentially on the condition and the tooth form
of the saw blade. Therefore, use only sharp saw
blades that are suited for the material to be
worked.
Sawing Wood
The correct selection of the saw blade depends
on the type and quality of the wood and whether
lengthway or crossway cuts are required.
When cutting spruce lengthways, long spiral
chips are formed.
Beech and oak dusts are especially detrimental
to health. Therefore, work only with dust extrac-
tion.
Sawing Plastic (GKS 65 CE)
Note: When sawing plastic, especially PVC, long
spiral chips are formed that can be electrostati-
cally charged. This can clog the sawdust ejector
15 and cause the retracting blade guard 12 to
jam. It is best to work with dust extraction.
Guide the switched on power tool against the
workpiece and carefully start the cut. Continue
the cut with low feed and without interruption,
so that the saw teeth do not gum up too quickly.
0
45 0
45
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1 609 929 K95 | (11.5.09) Bosch Power Tools
Sawing Non-ferrous Metals (GKS 65 CE)
Note: Use only a sharp saw blade that is suitable
for non-ferrous metals. This ensures a clean cut
and prevents blade binding.
Guide the switched on power tool against the
workpiece and carefully start the cut. Continue
the cut with low feed and without interruption.
When sawing profiles, always begin the cut from
the narrow side; when sawing U-profiles, never
start the cut from the open side. Support long
profiles in order to avoid blade binding and kick-
back of the power tool.
Sawing Light Building Materials (Materials
with Mineral Content) (GKS 65 CE)
f When sawing light building materials, ob-
serve the statutory provisions and the rec-
ommendations of the material suppliers.
Light building materials may only be sawn dry
and when applying dust extraction. Always work
with the guide rail 30 (accessory).
The vacuum cleaner must be approved for the
extraction of masonry dust. Bosch provides suit-
able vacuum cleaners.
Sawing with Parallel Guide (see figure E)
The parallel guide 11 enables exact cuts along a
workpiece edge and cutting strips of the same
dimension.
Loosen wing bolt 7 and slide the scale of the
parallel guide 11 through the guide in the base
plate 13. Adjust the desired cutting width as the
scale setting at the respective cutting mark 10
or 9; see Section “Cutting Marks”. Tighten wing
bolt 7 again.
Sawing with Auxiliary Guide (see figure F)
For sawing large workpieces or straight edges, a
board or strip can clamped to the workpiece as
an auxiliary guide; the base plate of the circular
saw can be guided alongside the auxiliary guide.
Sawing with Guide Rail (see figures G–H)
The guide rail 30 is used to carry out straight
cuts.
The adhesive coating prevents the guide rail
from slipping and protects the surface of the
workpiece. The coating of the guide rail allows
the circular saw to glide easily.
For sawing at a right angle, the circular saw can
be placed directly onto the guide rail 30. Fasten
the guide rail 30 with suitable clamping devices,
e. g., screw clamps, on the workpiece in such a
manner that the narrow leg of the guide rail 30
faces toward the saw blade.
The guide rail 30 must not extend beyond the
face side of the workpiece where the cut is to
be started.
The guide-rail adapter 33 is required for bevel
cuts with the guide rail 30. The guide-rail adapt-
er 33 is mounted in the same manner as the par-
allel guide 11.
The rubber lip on the guide rail acts as a splinter
guard that prevents fraying or tearing out of the
surface when sawing wooden materials. For
this, the teeth of the saw blade must face direct-
ly against the rubber lip.
The following work steps are required for exact
cuts using the guide rail 30:
– Place the guide rail 30 on to the workpiece
projecting lightly over the side. Pay attention
that the side with the rubber lip faces to the
workpiece.
– Set the circular saw with the premounted
guide-rail adapter 33 on to the guide rail 30.
– Set the requested cutting depth and bevel
angle.
– Align the circular saw with guide-rail adapter
in such a manner that the teeth of the saw
blade 20 face against the rubber lip. The po-
sition of the saw blade 20 depends on the se-
lected cutting angle. Do not saw into the
guide rail.
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English | 29
Bosch Power Tools 1 609 929 K95 | (11.5.09)
– Tighten wing bolt 7 to lock the position of the
guide-rail adapter.
– Remove the circular saw with the premount-
ed guide-rail adapter 33 from the guide rail
30.
– Align the guide rail 30 on the workpiece in
such a manner that the rubber lip lies exactly
alongside the cutting edge.
– The guide rail 30 must not extend beyond
the face side of the workpiece where the
cut is to be started.
– Fasten the guide rail 30 with suitable clamp-
ing devices, e. g., screw clamps, on the work-
piece. Set the circular saw with the pre-
mounted guide-rail adapter 33 on to the
guide rail.
– Switch the machine on and guide it in the
cutting direction applying moderate and
steady feed.
Two guide rails can be connected to one with
use of the connection piece 31. Clamping is car-
ried out with the four screws located in the con-
nection piece.
Maintenance and Service
Maintenance and Cleaning
f Before any work on the machine itself, pull
the mains plug.
f For safe and proper working, always keep
the machine and ventilation slots clean.
The retracting blade guard must always be able
to move freely and retract automatically. There-
fore, always keep the area around the retracting
blade guard clean. Remove dust and chips by
blowing out with compressed air or with a
brush.
Saw blades that are not coated can be protect-
ed against corrosion with a thin coat of acid-free
oil. Before use, the oil must be removed again,
otherwise the wood will become soiled.
Resin and glue residue on the saw blade produc-
es poor cuts. Therefore, clean the saw blade im-
mediately after use.
If the machine should fail despite the care taken
in manufacturing and testing procedures, repair
should be carried out by an after-sales service
centre for Bosch power tools.
In all correspondence and spare parts order,
please always include the 10-digit article
number given on the type plate of the machine.
After-sales Service and Customer
Assistance
Our after-sales service responds to your ques-
tions concerning maintenance and repair of your
product as well as spare parts. Exploded views
and information on spare parts can also be
found under:
www.bosch-pt.com
Our customer service representatives can an-
swer your questions concerning possible appli-
cations and adjustment of products and acces-
sories.
Great Britain
Robert Bosch Ltd. (B.S.C.)
P.O. Box 98
Broadwater Park
North Orbital Road
Denham
Uxbridge
UB 9 5HJ
Tel. Service: +44 (0844) 736 0109
Fax: +44 (0844) 736 0146
E-Mail: SPT-Technical.de@de.bosch.com
Ireland
Origo Ltd.
Unit 23 Magna Drive
Magna Business Park
City West
Dublin 24
Tel. Service: +353 (01) 4 66 67 00
Fax: +353 (01) 4 66 68 88
0° 1-45°
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30 | English
1 609 929 K95 | (11.5.09) Bosch Power Tools
Australia, New Zealand and Pacific Islands
Robert Bosch Australia Pty. Ltd.
Power Tools
Locked Bag 66
Clayton South VIC 3169
Customer Contact Center
Inside Australia:
Phone: +61 (01300) 307 044
Fax: +61 (01300) 307 045
Inside New Zealand:
Phone: +64 (0800) 543 353
Fax: +64 (0800) 428 570
Outside AU and NZ:
Phone: +61 (03) 9541 5555
www.bosch.com.au
Republic of South Africa
Customer service
Hotline: +27 (011) 6 51 96 00
Gauteng – BSC Service Centre
35 Roper Street, New Centre
Johannesburg
Tel.: +27 (011) 4 93 93 75
Fax: +27 (011) 4 93 01 26
E-Mail: bsctools@icon.co.za
KZN – BSC Service Centre
Unit E, Almar Centre
143 Crompton Street
Pinetown
Tel.: +27 (031) 7 01 21 20
Fax: +27 (031) 7 01 24 46
E-Mail: bsc.dur@za.bosch.com
Western Cape – BSC Service Centre
Democracy Way, Prosperity Park
Milnerton
Tel.: +27 (021) 5 51 25 77
Fax: +27 (021) 5 51 32 23
E-Mail: bsc@zsd.co.za
Bosch Headquarters
Midrand, Gauteng
Tel.: +27 (011) 6 51 96 00
Fax: +27 (011) 6 51 98 80
E-Mail: rbsa-hq.pts@za.bosch.com
Disposal
The machine, accessories and packaging should
be sorted for environmental-friendly recycling.
Only for EC countries:
Do not dispose of power tools in-
to household waste!
According the European Guideline
2002/96/EC for Waste Electrical
and Electronic Equipment and its
implementation into national
right, power tools that are no longer usable
must be collected separately and disposed of in
an environmentally correct manner.
Subject to change without notice.
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1 609 929 K95 | (11.5.09) Bosch Power Tools
336 |
GAS 25
GAS 50
GAS 50 M
1 608 005 008
Ø 35 mm
3 m 2 609 390 392
5 m 2 609 390 393
GAS 25
GAS 50
GAS 50 M
1 608 005 008
Ø 35 mm
3 m 2 607 002 163
5 m 2 607 002 164
2 602 317 031 (1,4 m)
2 602 317 030 (0,7 m)
1 602 319 003
2 607 001 375
1 607 960 008
1 608 190 007
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| 337
Bosch Power Tools 1 609 929 K95 | (11.5.09)
CORIAN
VARIOCOR
1
2
3
4
5
6
CORIAN
VARIOCOR
6 6 4-6 3-5 2-4 1-2
OBJ_BUCH-359-002.book Page 337 Monday, May 11, 2009 9:50 AM

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