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Pallmann
Cobra
II
Manual
31
3
COBRA CLASSIC #74540
09/2014
Contents
1
Introduction .....................................................................................................................................................................
4
2
Scope of delivery ............................................................................................................................................................
5
3
Machine specifications COBRA CLASSIC ...................................................................................................................
6
3.1
Important components ......................................................................................................................................................
6
3.2
Technical data ..................................................................................................................................................................
7
3.3
Safety and machine protection facilities............................................................................................................................
7
4
Proper use .......................................................................................................................................................................
7
5
Assembly of the machine...............................................................................................................................................
8
5.1
Installing the guide tube ...................................................................................................................................................
8
5.2
Installing the motor ...........................................................................................................................................................
8
6
Disassembling for transport .........................................................................................................................................
9
6.1
Removing the guide tube ................................................................................................................................................
9
6.2
Removing the motor..........................................................................................................................................................
10
7
Operating the COBRA CLASSIC ..................................................................................................................................
11
7.1
Protective clothing and equipment ..................................................................................................................................
11
7.2
Fitting the dust bag ........................................................................................................................................................
11
7.3
Safety instructions regarding dust ....................................................................................................................................
12
7.4
Disposing of sanding dust ...............................................................................................................................................
12
7.5
Replacing the sanding belt ..............................................................................................................................................
13
7.6
Adjusting the sanding pressure .......................................................................................................................................
14
7.7
Safety instructions for electric cable and connectors ......................................................................................................
14
7.8
Connecting the COBRA CLASSIC to the mains power ..................................................................................................
15
7.9
Remarks about sanding parquet and plank floors ..........................................................................................................
16
7.10
Sanding with the COBRA CLASSIC ...............................................................................................................................
19
8
Maintenance ...................................................................................................................................................................
24
8.1
Changing the sanding drum ............................................................................................................................................
24
8.2
Adjusting the running wheels ..........................................................................................................................................
26
8.3
Adjusting the castor wheels ............................................................................................................................................
27
8.4
Adjusting the tension roller ...............................................................................................................................................
28
8.5
Changing the belt ..............................................................................................................................................................
29
8.6
Checking dust extraction .................................................................................................................................................
30
8.7
Switching off and storing the machine ............................................................................................................................
30
9
Declaration of conformity ..............................................................................................................................................
31
10
Warranty...........................................................................................................................................................................
32
8.3
Adjusting the caster wheels
1. Turn the machine off.
2. Disconnect the main power cord
from motor.
3. Loosen the lock nut (1).
4. Turn the castering shaft with the
hexagon socket screw key until
both of the caster wheels bear
weight.
5. Tighten the lock nut.
8.4
Adjusting the tension roller
The tension roller keeps automatically the track of the sanding belt centered to the
sanding drum. If with time the sanding belt fails to run centered to the sanding drum,
the tension roller must be newly adjusted.
Caution! Danger of injury!
Adjustments of the sanding belt while the machine is running and the access door is
open may only be performed by qualifi ed personnel.
Caution!
Wear safety goggles and avoid loose clothing before making these adjustments.