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Bosch GTR55-85 - Dry Wall Sander Operation; Starting Operation; Preselecting the Speed; On;Off Slide Switch

Bosch GTR55-85
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-15-
Dry Wall Sander Operation
Starting Operation
Pay attention to the mains voltage. The voltage of the power
source must match the voltage specified on the rating plate of
the power tool. Power tools marked with 120V can and should
be operated with 120V.
Preselecting the Speed
You can preselect the required speed using the Speed Pre-
selection Thumbwheel 2, even during operation. The higher
numbers indicate a high speed, while the smaller ones repre-
sent a low speed.
The Constant Electronic keeps the speed at no load and under
load virtually consistent, producing uniform performance.
The electronic soft start limits the torque when the power tool
is switched on and increases the service life of the motor.
Applications
See the table "Applications" below for application informa-
tion.
Do not put the power tool down on its side. This could per-
manently warp the sanding pad.
On/Off Slide Switch
(Fig. 1)
Hold the tool with both hands while
turning on or off the tool. Torque
from the motor can cause the tool to twist.
To turn the tool "ON," slide the On/Off Slide Switch 3 forward
so that "I" appears on the switch.
To turn the tool "OFF," slide the On/Off Slide Switch 3 back-
wards so that "0" appears on the switch.
Applications
joint compound/
plaster hardness wall or ceiling
internal/external
air flow setting suction power speed setting
sanding
sheet grit
very soft/soft wall or ceiling 1 6 2–4 from P180
medium hardness
wall 1 6
4–6 from P120
ceiling 3
1–5
(optimum: 3)
extremely hard wall or ceiling
1 on uneven
surfaces
6
4–6 from P100
3 on even surfaces 1–3

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