Bosch GWS 7 115 E [14/72] Hzlewood
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Bosch GWS 7 115 E [14/72] Hzlewood

Bosch GWS 7 115 E [14/72] Hzlewood
14 | English
1 619 X07 388 | (19.3.12) Bosch Power Tools
Selecting the Sanding Belt
Depending on the material to be worked and the required rate
of removal, different sanding belts are available:
Operation
Starting Operation
f Observe correct mains voltage! The voltage of the pow-
er 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, press the On/Off switch 5 and keep it
pressed.
To lock the pressed On/Off switch 5, press the lock-on button
7.
To switch off the machine, release the On/Off switch 5 or
when it is locked with the lock-on button 7, briefly press the
On/Off switch 5 and then release it.
When not using the power tool, switch it off in order to save
energy.
Preselecting the Belt Speed (PBS 75 AE)
The necessary belt speed can be preselected with the thum-
bwheel 4, even during operation.
The required belt speed depends on the material being sand-
ed and on the working conditions, and can be determined by
practical testing.
Working Advice
The sanding removal rate and the surface quality are mainly
determined by the selection of the sanding belt as well as by
the preselected belt speed (PBS 75 AE). The higher the belt
speed, the more material is removed and the finer the sanded
surface.
Only flawless sanding belts achieve good sanding capacity
and make the machine last longer.
Work using the least possible sanding pressure in order to in-
crease the service life of the sanding belts. The machine’s own
weight is sufficient for a good sanding performance. An exces-
sive increase of the sanding pressure does not lead to an in-
crease of the sanding capacity, but to increased wear of the
machine and the sanding belt.
Apply the machine to the workpiece only when switched on.
Work with moderate feed and carry out the sanding with par-
allel and overlapping strokes. Sand in the direction of the
grain; sanding across the grain produces an uneven sanding
effect.
Particularly when sanding coats of varnish, sand in the direc-
tion of the grain as the varnish could melt and smear the sur-
face of the workpiece and the sanding belt. Therefore, work
with dust extraction.
A sanding belt used for sanding metal should not be used for
other materials.
Use only original Bosch sanding accessories.
Store sanding belts only hanging; avoid creasing, as this
makes the belts unusable.
The sanding frame (accessory) allows for uniform and con-
trollable removal capacity when surface grinding larger wood-
en surfaces.
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.
Remove adherent sanding dust with a brush.
Cleaning the Dust Passage (see figure E)
From time to time, remove the protection cover 14 and clean
the dust passage 15 so that the suction capacity remains at an
optimum level.
If the replacement of the supply cord is necessary, this has to
be done by Bosch or an authorized Bosch service agent in or-
der to avoid a safety hazard.
If the machine should fail despite the care taken in manufac-
turing 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 in-
clude 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 questions concern-
ing maintenance and repair of your product as well as spare
parts. Exploded views and information on spare parts can al-
so be found under:
www.bosch-pt.com
Our customer service representatives can answer your ques-
tions concerning possible applications and adjustment of
products and accessories.
Grain size
For the working of all wooden
materials
40—240
For coarse-sanding, e. g. of rough,
unplaned beams and boards coarse 40, 60
For face sanding and planing small
irregularities medium 80, 100, 120
For finish and fine sanding of hard
woods fine 180, 240
OBJ_BUCH-1634-001.book Page 14 Monday, March 19, 2012 8:10 AM

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OBJ BUCH 1634 001 book Page 14 Monday March 19 2012 8 10 AM 141 English Selecting the Sanding Belt Dependi ng on the material to be worked and the requi red rate Apply the machine to the workpiece only when switched on Work with moderate feed and carry out thesanding with par of removal different sanding belts are available allel and overlapping strokes Sand in the direction of the 1 HZLEWood grain sanding across the grain produces an uneven sanding Grain size 40 240 effect Particularly when sanding coats of varnish sand in the direc tion of the grain as the varnish could melt and smear the sur Forthe working of all wooden face of the workpiece and the sanding belt Therefore work materials with dust extraction For coarse sanding e g ofrough unplaned beams and boards coarse 40 60 For face sanding and planingsmall irregularities Use only original Bosch sanding accessories medium 80 100 120 For finish and fine sanding of hard woods A sanding bel t used for sanding metal should not be used for other materials Storesanding belts only hanging avoid creasing as this makes the belts unusable fine 180 240 Operation Starting Operation Observe correct ma ins voltage The voltage of the pow The sanding frame accessory allows for uniform and controllabl e removal capaci ty when surface gri ndi ng larger wood en surfaces Maintenance and Service er 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 press the On Off switch 5 and keepit pressed To lock the pressed On Off switch 5 press the lock on button Maintenance and Cleaning Beforeany work on the machine itself pull the mains plug For safeand proper working always keep themachine and ventilation slots clean Remove adherent sanding dust with a brush 7 Cleaning the Dust Passage seefigureE To switch off the machine release the On Off switch 5 or From time to time remove the protection cover 14 and dean when it is locked with the lock on button 7 briefly press the the dust passage 15 so that the suction capaci ty remains at an On Off switch 5 and then release it optimum level When not using the power tool switch it off in order tosave energy If the replacement of the supply cord is necessary this has to Preselecting the Belt Speed PBS 75 AE be done by Bosch or an authorized Bosch service agent in or The necessary beltspeed can be preselected with the thum der to avoid a safety hazard bwheel 4 even during operation If the machine should fail despite the care taken in manufac The required bel t s peed depends on the materi al bei ng sand turing and testing procedures repairshould be carried outby an after sales service centre for Bosch power tools ed and on the working conditions and can be determined by practical testing In all correspondenceandspareparts order please always in clude the 10 digit article number given on the type plate of Working Advice themachine The sanding removal rate and the surface quality are mainly determined by the sei ection of the sanding belt as well as by After sales Service and Customer Assistance the preselected belt speed PBS 75 AE The higher the belt Our after sales service responds toyour questions concern speed themorematerial isremoved and thefiner the sanded ing maintenance and repair of your product as well as spare parts Exploded views and information on spare parts can al surface Only flawless sanding belts achieve good sanding capacity and make the machine last longer so be found under www bosch pt com Work using the least possible sanding pressure in order to in Our customer service representatives can answer your ques tions concerning possible applications and adjustment of creasetheservicelifeofthesandingbelts Themachine sown products and accessories weight is sufficient for a good sanding performance An exces sive increase of the sanding pressure does not lead to an in crease of the sanding capacity but to increased wear of the machine and the sanding belt 1619X073881 19 3 12 Bosch Power Tools

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