MIRKA Compact Electrical Random Orbital Sander Manual

1
Compact Electrical
Random Orbital Sander
150 mm (6 in.)& 125 mm (5 in.)
English Operator maintenance and service instructions

2
Parts page
1
2
3
4
5
6
7
8
9
10
12
13
14
15
11
16
17
18
19
20
21
22
24
23
25
26
27
A
B

3
Parts list
Item Description Qty.
- Power supply 1
- 22 Power supply cable with plug 1
- Mains cable CE Optional
- Mains cable UK Optional
Motor assembly 150mm/5mm 11
Motor assembly 125mm/5mm 1
Fan 150mm/5mm 12
Fan 125mm/5mm 1
3 Double row bearing 1
4 Spacer 1
5 Washer 1
6 Retaining ring 1
7 Spindle 1
8 24mm Pad Wrench 1
9 Pad. See literature for different models 1
10 Lever 1
11 Pin 1
12 Grip 1
13 Start button 1
14 Start button spring 1
15 Cover plate 1
16 PCB screw 4
17 Speed controller 1
18 Housing 1
Shroud 150mm 119
Shroud 125mm 1
20 Membrane keyboard 1
21 Cable support 1
22 DC cable 4m 1
23 Housing screw 6
24 DC connector 1
25 28mm swivel exhaust assembly 1
26 Washer 1
27 Exhaust pipe screw 1

4
Sander Spare Parts Kits and Accessories
ASpindle Bearing Kit B28 mm CV Swivel Fitting Kit Spindle
Code: 8993019711 Code: Code: MIN6519011 Code: 8993011611
Shroud 150mm Shroud 125mm DC Power
Code: MIN6511911 Code: MIN6515911 Code: MIN6522511
24 mm Pad Wrench
Code: 8993008011
Accessories
DC Extension cord 10m Brackets kit for Mirka 412/415 or 912/915 Net sanding PAD 150mm
Code: MIN6512211 Code: MIN6519111 Code: 8295692111
Net sanding PAD 125mm
Code: 8295592111

5
Figure 1. Sander
Figure 2. Power supply unit

6
Index
Instructions Page
Changing pad. A1 - A3 7
Changing spindle bearing B1 - B11 8 - 10
Changing shroud / swivel exhaust assembly C1 - C6 12 - 13
Changing the fuse on the power supply and
Troubleshooting guide. 14

7
A. Changing pad
A1.Hold the sander and the pad with one hand and use the pad wrench to unscrew the pad.
A2. Mount the new pad by hand and ensure that the threads are in the right position.
A3.Finaly tighten the pad with the pad wrench.

8
A. Changing spindle bearing
B1.Unsrecw the pad and use a small screwdriver to remove the retaining ring that locks the
bearing in the balancer.
B2.Lift the spindle bearing out of the balancer.
B3.Notice the thin spacer in the bottom off the balancer .

9
B4.Place the spindle and bearing in a bearing separator tool .
B5.Press or gently nock the spindle out off the bearing .

10
Reassembling the spindle and bearing
B6.Using a wrench, press the bearing on the spindle.
NB: Dust seal on bearing, and the curved side of the washer towards the spindle.
B7.Center the curved washer before the bearing reaches the end position on the spindle.
B8.Place the new spacer in the balancer .NB: use only one spacer.