Bosch GBH 3-28 DFR 061124A000 [18/222] Changing the tool

Bosch GBH 3-28 DFR 061124A000 [18/222] Changing the tool
18 | English
1 609 929 Y58 | (23.3.11) Bosch Power Tools
chuck is used, the application tool could fall out during op-
eration.
Before inserting, clean the quick change chuck and apply a
light coat of grease to the shank end.
Grasp the SDS-plus quick change chuck 2 or the quick
change keyless chuck 1 completely with your hand. Slide
the quick change chuck with a turning motion onto the drill
chuck mounting 18 until a distinct latching noise is heard.
The quick change chuck is automatically locked. Check the
locking effect by pulling the quick change chuck.
Changing the Tool
The dust protection cap 4 largely prevents the entry of drilling
dust into the tool holder during operation. When inserting the
tool, take care that the dust protection cap 4 is not damaged.
A damaged dust protection cap should be changed im-
mediately. We recommend having this carried out by
an after-sales service.
Inserting SDS-plus Drilling Tools (see figure F)
The SDS-plus drill chuck allows for simple and convenient
changing of drilling tools without the use of additional tools.
GBH 3-28 DFR: Insert the SDS-plus quick change chuck 2.
Clean and lightly grease the shank end of the tool.
Insert the tool in a twisting manner into the tool holder until
it latches itself.
Check the latching by pulling the tool.
As a requirement of the system, the SDS-plus drilling tool can
move freely. This causes a certain radial run-out at no-load,
which has no effect on the accuracy of the drill hole, as the
drill bit centres itself upon drilling.
Removing SDS-plus Drilling Tools (see figureG)
Push back the locking sleeve 5 and remove the tool.
Inserting Drilling Tools without SDS-plus (GBH 3-28 DRE)
Note: Do not use tools without SDS-plus for hammer drilling
or chiselling! Tools without SDS-plus and their drill chucks are
damaged by hammer drilling or chiselling.
Insert a key type drill chuck 16 (see “Changing the Key
Type Drill Chuck”, page 17).
Open the key type drill chuck 16 by turning until the tool
can be inserted. Insert the tool.
Insert the chuck key into the corresponding holes of the
key type drill chuck 16 and clamp the tool uniformly.
Turn the mode selector switch 9 to the “drilling” position.
Removing Drilling Tools without SDS-plus
(GBH 3-28 DRE)
Turn the sleeve of the key type drill chuck 16 with the drill
chuck key in anticlockwise direction until the drilling tool
can be removed.
Inserting Drilling Tools without SDS-plus (GBH 3-28 DFR)
(see figure H)
Note: Do not use tools without SDS-plus for hammer drilling
or chiselling! Tools without SDS-plus and their drill chucks are
damaged by hammer drilling or chiselling.
Insert the quick change keyless chuck 1.
Firmly hold the retaining ring 21 of the quick change
chuck. Open the tool holder by turning the front sleeve 20
until the tool can be inserted. Tightly hold the retaining ring
21 and firmly turn the front sleeve 20 in the direction of the
arrow until a distinct latching noise can be heard.
Check the tight seating by pulling the tool.
Note: If the tool holder was opened to the stop, then the latch-
ing noise possibly may be heard while closing the tool holder
and the tool holder will not close.
In this case, turn the front sleeve 20 once in the opposite di-
rection of the arrow. Afterwards, the tool holder can be
closed (tightened) again.
Turn the mode selector switch 9 to the “drilling” position.
Removing Drilling Tools without SDS-plus
(GBH 3-28 DFR) (see figure I)
Firmly hold the retaining ring 21
of the quick change
chuck. Open the tool holder by turning the front sleeve 20
in the direction of the arrow until the tool can be removed.
Dust Extraction with the Dust Extraction
Attachment (Accessory)
Dusts from materials such as lead-containing coatings,
some wood types, minerals and metal can be harmful to
one’s health. Touching or breathing-in the dusts can cause
allergic reactions and/or lead to respiratory infections of
the user or bystanders.
Certain dusts, such as oak or beech dust, are considered
as carcinogenic, especially in connection with wood-treat-
ment additives (chromate, wood preservative). Materials
containing asbestos may only be worked by specialists.
As far as possible, use a dust extraction system suita-
ble for the material.
Provide for good ventilation of the working place.
It is recommended to wear a P2 filter-class respirator.
Observe the relevant regulations in your country for the
materials to be worked.
Prevent dust accumulation at the workplace. Dusts can
easily ignite.
Mounting the Dust Extraction Attachment (see figure J)
For dust extraction, the dust extraction attachment (accesso-
ry) is required. When drilling, the dust extraction attachment
retracts so that the attachment head is always close to the
surface at the drill hole.
Press the button for depth stop adjustment 10 and remove
the depth stop 11. Press button 10 again and insert the
dust extraction attachment into the auxiliary handle 12
from the front.
Connect an extraction hose (diameter 19 mm, accessory)
to the extraction sleeve 22 of the dust extraction attach-
ment.
The vacuum cleaner must be suitable for the material being
worked.
When vacuuming dry dust that is especially detrimental to
health or carcinogenic, use a special vacuum cleaner.
OBJ_BUCH-770-005.book Page 18 Wednesday, March 23, 2011 2:38 PM

Содержание

OBJ_BUCH 770 005 book Page 18 Wednesday March 23 2011 2 38 PM 181 English chuckis used the application tool could fall out during op eration Before inser ti ng clean the qui ck change chuck and apply a light coat of grease to the shank end Grasp the SDS plus quick change chuck 2 or the quick Firmly hold the retaining ring 21 of the quick change chuck Open the tool holder by turning the front sleeve 20 until the tool can beinserted Tightlyhold theretainingring 21and firmly turn thefrontsleeve 20in thedirectionofthe arrow until a distinct latching noise can be heard change keyless chuck 1 completely with your hand Slide Check the tight seating by pulling the tool the qui ck change chuck with a turni ng motion onto the dri II Note If the tool holder was opened to thestop then thelatch chuck mounting 18 until a distinct latching noise is heard Thequick changechuck is automatically locked Check the locking effect by pulling the quick change chuck ing noise possibly may be heard while closing the tool holder and the tool holder will not close In this case turn the front sleeve 2Oonce in the opposite di rection of the arrow Afterwards the tool holder can be Changing the Tool closed tightened again The dust protection cap4 largely prevents the entry of drilling Turn the mode sei ector switch 9 to the drill ing position dust into the tool holder during operation When inserting the tool take care that the dust protection cap 4 is not damaged A damaged dust protection cap should be changed im mediately We recommend having this carried out by an after sales service Removing Drilling Tools without SDS plus GBH 3 28DFR seefigure I Firmly hold the retaining ring 21 of the quick change chuck Open the tool holder by turning thefrontsleeve 20 in the direction of the arrow until the tool can be removed Inserting SDS plus Drilling Tools see figure F The SDS plus drill chuck allows for simple and convenient changing of drilling tools without the use of additional tools GBH 3 28 DFR Insert the SDS plus quick change chuck 2 Clean and lightly grease the shank end of the tool Insert the tool in a twisting manner into the tool holder until it latches itself Check the latching by pulling the tool As a requirement of the system theSDS plus drilling tool can Dust Extraction with the Dust Extraction Attachment Accessory Dusts from materials such as lead containing coatings some wood types minerals and metal can be harmful to one s health Touching or breathing in the dusts can cause allergic reactions and or lead to respiratory infections of the user or bystanders Certain dusts such as oak or beech dust are considered move freely This causes a certain radial run out at no load which has no effect on the accuracy of the drill hole as the as cardnogenic especially in connection with wood treat drill bit centres itself upon drilling containing asbestos may only be worked by specialists Removing SDS plus Drilling Tools see figure G Push back the locking sleeve 5 and remove the tool Inserting Drilling Tools without SDS plus GBH 3 28 DRE Note Do not use tools withoutSDS plus for hammer drilling or chiselling Tools withoutSDS plus and their drill chucks are damaged by hammer drilling or chiselling Insert a key type drill chuck 16 see Changing the Key Type Drill Chuck pagel7 ment additives chromate wood preservative Materials As far as possible useadustextractionsystemsuitable for the material Provide for good ventilation of the working place It is recommended towear a P2 filter class respirator Observe the relevant regulations in your country for the materials to be worked Prevent dust accumulation at the workplace Dusts can easily ignite Mounting the Dust Extraction Attachment see figure J Open the key type drill chuck 16 by turning until the tool For dust extraction thedust extraction attachment accesso can be inserted Insert the tool Insert the chuck key into the corresponding holes of the ry is required When drilling the dust extraction attachment retracts so that the attachment head is always close to the key type drill chuck 16 and clamp the tool uniformly Turn the mode selector switch 9 to the drilling position Removing Drilling Tools without SDS plus GBH 3 28 DRE Tur n the si eeve of the key type dri II chuck 16 wi th the dril I chuck key in anticlockwise direction until the drilling tool can be removed surface at the drill hole Press thebutton for depth stop adjustment 10 and remove the depthstop 11 Press button lOagain and insert the dust extraction attachment into the auxiliary handle 12 from the front Connect an extraction hose diameter 19 mm accessory to the extraction sleeve 22 of the dust extraction attach Inserting Drilling Tools withoutSDS plus GBH 3 28 DFR ment The vacuum see figure H worked Note Do not use tools withoutSDS plus for hammer drilling or chiselling Tools withoutSDS plus and their drill chucks are damaged by hammer drilling or chiselling cleanermustbesuitableforthematerial being When vacuuming dry dust that is esped ally detrimental to health or cardnogenic use a special vacuum cleaner Insert the quick change keyless chuck 1 1609 929 Y581 23 3 11 Bosch Power Tools

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