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To switch on the tool, press the switch (2.1)
downwards and forwards until it locks into
place. To switch off, press the switch down-
wards - this releases the switch lock and it
goes into the OFF position.
Extension cord
If an extension cord is required, it must
have suffi cient cross-section to prevent an
excessive drop in voltage or overheating.
An excessive drop in voltage reduces the
output and can lead to failure of the motor.
The table below shows you the correct cord
diameter as a function of the cord length
for the RO 125 FEQ.
Use only U.L. and CSA listed extension
cords. Never use two extension cords to-
gether. Instead, use one long one.
Note: The lower the AWG number, the
stronger the cord.
Electronic control
The tool has full-wave electronics with
the following features:
Smooth start-up
The smooth start-up ensures jolt-free
startup.
Speed adjustment
You can regulate the speed steplessly be-
tween 3000 and 6000 rpm using the adjust-
ing wheel (3.1). This lets you optimize the
sanding speed to suit the material.
Constant speed
The pre-selected speed remains constant
whether the tool is in operation or in neu-
tral position.
Temperature control
To prevent overheating, the safety elec-
tronics switch the tool off when it reaches
a critical motor temperature. Let the tool
Total Extension Cord
Lenght (feed)
25 50 100 150
Cord Size (AWG) 18 16 16 14