Bosch Professional GCO 2000 Manual Original página 25

OBJ_BUCH-1063-001.book Page 25 Thursday, December 10, 2009 1:03 PM
Changing the Tool (see figures B1–B2)
Before any work on the machine itself, pull
the mains plug.
Actuate the spindle lock 5 only when the
tool spindle 21 is stopped. Otherwise, the
machine can become damaged.
Do not touch the cutting disc after working
before it has cooled. The cutting disc be-
comes very hot while working.
Use only cutting discs that have an equal or
higher maximal allowable speed than the no-
load speed of your power tool.
Use only cutting discs that correspond to the
characteristic data given in these operating in-
structions and are checked according to
EN 12413 and marked appropriately.
Removing the Cutting Disc
– Bring the power tool into the working posi-
tion. (see "Releasing the Machine (Working
Position)", page 25)
– Swing back the retracting blade guard 4 to
the stop.
– Turn hexagon bolt 24 with the provided ring
spanner 14 (15 mm) and at the same time
press the spindle lock 5 until it engages.
– Hold the spindle lock pressed and unscrew
the hexagon bolt 24.
– Remove the washer 23 and the clamping
flange 22.
– Remove the cutting disc 6.
Installing the Cutting Disc
If required, clean all parts to be mounted prior
to assembly.
– Mount the new cutting disc onto the tool
spindle 21 in such a manner that its lable fac-
es away from the tool arm.
– Mount the clamping flange 22, the washer 23
and the hexagon bolt 24.
Press spindle lock 5 until it engages and
tighten hexagon bolt 24 with the provided
ring spanner 14. (Tightening torque approx.
18–20 Nm)
– Slowly guide the retracting blade guard 4
down until the cutting disc is covered off.
Bosch Power Tools
– Make sure that the retracting blade guard 4
operates properly.
After mounting the cutting disc and before
switching on, check whether the cutting disc is
properly mounted and if it can rotate freely.
– Make sure that the cutting disc does not
graze against the retracting blade guard 4,
the blade guard 19 or against other parts.
– Run the machine for approx. 30 seconds.
Should significant vibrations occur, switch
off the machine immediately; remove and in-
stall the cutting disc again.
Operation
Before any work on the machine itself, pull
the mains plug.
Transport Safety (see figure C)
The transport safety-lock 15 enables easier han-
dling of the machine when transporting to vari-
ous working locations.
Releasing the Machine (Working Position)
– Push the tool arm by the handle 3 down a lit-
tle in order to relieve the transport safety-
lock 15.
– Pull the transport safety-lock 15 completely
outward.
– Guide the tool arm slowly upward.
Note: When working, pay attention that the
transport safety-lock is not pushed inwards.
Otherwise, the tool arm cannot be lowered to
the requested depth.
Securing the Machine (Transport Position)
– Guide the tool arm downward until the trans-
port safety-lock 15 can be pushed complete-
ly inward.
For additional information on transport, see
page 27.
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