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8
20
Electronics & circuit board
×2
3mm
×6
T10
Preparations
Start by separating motor unit from gear
house, see chapter 7, "Dismantling of motor
unit...".
Circuit board
This is mounted on a cooling plate that is at
tached to each end of the motor unit:
1. Remove fasteners of pinion end
– Allen wrench: 3mm
2. Remove fasteners of control panel end:
– Allen wrench: 3mm
×2
3mm
OVERVIEW OF CONNECTIONS:
K6. Flat cable, On/Off button and LED
K3. cables, potentiometer, 3×white
K2. temperature sensor, motor, black
X4. motor, electric cable, blue
X5. motor, electric cable, red
K4. Cooling fan, electric cable
Power cable to outlet/drill machine
L: black
M: brown
N: grey
Fuse
F1: 230V=2A, quick, 5×20mm
Emergency stop button
NS
. electric cable, red
1
NS
. electric cable, red
2
K5. cables, white, brown
110V: Cable colours and fuse type
See electric diagram on next page.
Cooling plate/circuit board console
×4
3. Remove the six fasteners of the cooling
5,5mm
bridge and the spacer nuts with washers
• Torx: T10
• spanner: 5,5mm
REASSEMBLING
Reverse step 1—3 as above.
– Reassembling; Apply cooling paste
between cooling bridge and cool
ing plate.
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