Pallmann COBRA CLASSIC Quick guide

Translation of the original Operating instructions
ParquetoorsanderCOBRACLASSIC2,5kW/50Hz
with gentle lifting lever
COBRACLASSIC230V2,5kWneutral #071845
COBRACLASSIC230V2,5kWCH  #075488
COBRACLASSIC230V3,2kWAUS  #075490
COBRACLASSIC230V2,5kWNO  #075489
Manual #076697
PALLMANN GmbH l Ein Unternehmen der Uzin Utz AG | Im Kreuz 6 | 97076 Würzburg | www.pallmann.net

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PALLMANN GmbH l Ein Unternehmen der Uzin Utz AG | Im Kreuz 6 | 97076 Würzburg | Telefon [phone] | Telefax [phone] I www.pallmann.net
© 2015
All rights reserved.
Reproduction on whole or in part requires written permission from
WOLFF GmbH & Co. KG, Ungerhalde 1, D-74360 Ilsfeld, Germany.
No liability for any damage arising from the use of this brochure.
Subject to alterations.
WOLFF GmbH & Co. KG
Ungerhalde 1
D-74360 Ilsfeld
Deutschland
Fon: [phone]
Fax: [phone]
www.wol󰀨-tools.de | info@wol󰀨-tools.de
Stand: 11/2018

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PALLMANN GmbH l Ein Unternehmen der Uzin Utz AG | Im Kreuz 6 | 97076 Würzburg | Telefon [phone] | Telefax [phone] I www.pallmann.net
Inhalt:
1 Introduction................................................................................................................................... 4
2Scopeofdelivery............................................................................................................................. 5
3MachinespecicationsCOBRACLASSIC...................................................................................... 6
3.1 Important components..................................................................................................................... 6
3.2 Technical data................................................................................................................................. 7
3.3 Safety and machine protection facilities.......................................................................................... 7
4Proper use...................................................................................................................................... 7
5Assemblyofthemachine............................................................................................................. 8
5.1 Installing the guide tube.................................................................................................................. 8
5.2 Installing the motor ......................................................................................................................... 8
6Disassemblingfortransport ....................................................................................................... 9
6.1 Removing the guide tube ............................................................................................................... 9
6.2 Removing the motor........................................................................................................................ 10
7Operating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 oors .......................................................................... 16
7.10 Sanding with the COBRA CLASSIC................................................................................................ 19
8Maintenance ................................................................................................................................. 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 o󰀨 and storing the machine............................................................................................. 30
9Declarationofconformity................................................................................................................. 31
10 Warranty.......................................................................................................................................... 32

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PALLMANN GmbH l Ein Unternehmen der Uzin Utz AG | Im Kreuz 6 | 97076 Würzburg | Telefon [phone] | Telefax [phone] I www.pallmann.net
1 Introduction
Dear customer,
you have decided in favour of the WOLFF parquet  oor sander COBRA CLASSIC, the correct
choice with respect to quality and performance.
The COBRA CLASSIC is the result of a consistent implementation of many years of experience.
This machine combines an extraordinary high sanding performance and an excellent sanding
quality, together with an easy to operate, proven and reliable technology.
This operating instructions contain important informations for the use and safe operation of the
COBRA CLASSIC.
Caution!
Readtheseoperatinginstructionscarefullybeforeassemblingoroperatingthe
COBRA.Ensurethatalloperatorsreadtheseoperatinginstructionspriortooperate
themachine.
Adherencetothesafetynoteshelpstoprotectagainstpotentialdangersforhealth
andpersonalsafetyandtopreventanimproperutilisationofthemachine.
Beforestartingtowork,makeyourselffamiliarwiththeoperationofthemachine.
It‘stoolateifyoudoitwhileworking!
Neverallowanybodywithoutsufficientskillsandknowledgetooperatethemachine
This brochure uses the symbol to mark important instructions for safety
and preventing damage. Please give special attention to the marked instructions.
They refer to a potentially dangerous situation. Failure to comply can result
in fatal or severe injuries and damage to property.
This brochure uses the symbol
to mark important instructions for safety
and preventing damage. Please give special attention to the marked instructions.
They refer to a potentially dangerous situation. Failure to comply can result
in fatal or severe injuries and damage to property.

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PALLMANN GmbH l Ein Unternehmen der Uzin Utz AG | Im Kreuz 6 | 97076 Würzburg | Telefon [phone] | Telefax [phone] I www.pallmann.net
1 machine
2 dust bag
3 cable with plug and coupling
4 respirator
5 Multiclip
6 operating instructions
7 hexagon socket screw key 5 mm
8 hexagon socket screw key 6 mm
9 hexagon socket screw key 10 mm
10 running wheel adjusting tool
11 tool pouch
12 fork wrench 10 mm
13 fork wrench 13 mm
14 fork wrench 24 mm
15 double fork wrench 30/36 mm
16 hearing protectors
2 Scopeofdelivery

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PALLMANN GmbH l Ein Unternehmen der Uzin Utz AG | Im Kreuz 6 | 97076 Würzburg | Telefon [phone] | Telefax [phone] I www.pallmann.net
3 MachinespecicationsCOBRACLASSIC
3.1Importantcomponents
1 pressure regulating screw
2 castor wheels
3 running wheels
4 drum cover
6 tension lever
7 cylinder head bolt
8 clamping lever
9 motor plug
10 carrying handle
11 bumper wheel
12 belt guard
13 motor
14 switch box
15 dust bag
16 cable arm
17 left hand grip
18 main lifting lever
19 right hand grip
20 gentle lifting lever

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PALLMANN GmbH l Ein Unternehmen der Uzin Utz AG | Im Kreuz 6 | 97076 Würzburg | Telefon [phone] | Telefax [phone] I www.pallmann.net
3.2Technicaldata
Single-phase AC motor....................................................... 230 V, 50 cps
Motor power ............................................................................... 2500 W
Sanding drum speed................................................................. 2100 rpm
Sanding width............................................................................. 200 mm
Sanding belt dimensions ............................ 200 mm x 750 mm, endless
Gesamtgewicht .......................................................................... 83,5 kg
Gewicht Chassis ........................................................................ 42,5 kg
Gewicht Motor ........................................................................... 33,0 kg
Gewicht Führungsrohr ................................................................ 8,0 kg
3.3Safetyandmachineprotectionfacilities
COBRA CLASSIC is equipped with an
- overcurrentcutoutandan
- no-volt release
The overcurrent cutout protects the machine from damage and persons from endangering
in the case of short circuits.
The no-volt release prevents uncontrolled restart of the machine after power failure. The motor
will not restart automatically when the power returns, it will have to be switched on again.
4Properuse
TheparquetoorsanderCOBRACLASSICissuitablefordrysandingofparquetand
plankoors.Nootheruseisallowed.
Caution!
NeveruseCOBRACLASSICforwetprocedures(mortalriskfromelectricshock)!

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PALLMANN GmbH l Ein Unternehmen der Uzin Utz AG | Im Kreuz 6 | 97076 Würzburg | Telefon [phone] | Telefax [phone] I www.pallmann.net
5 Assemblyofthemachine
5.1 Installingtheguidetube
Note! The Cobra Classic is delivered with the guide tube (1) removed.
Caution!Injurytotheoperatororotherpersonscouldoccurordamagecouldoccurifthemachine
startsupunintentionally.Disconnectthemachinefromthepowersupplybeforeworking
onthemachine!
Instructions:
1. Insert the guide tube (1) into the guide tube support (7). The curved section of the tube must
face toward the motor. Clamp the guide tube by means of the clamping lever (6) located on
the guide tube support.
2. Fit the connector (8) into the both screws of th pull rod
3. Move the main lifting lever (2) into the rear position to raise the sanding drum from the  oor.
4. Tighten both wing nuts
5.2 Installingthemotor:
Installation of the motor is performed in the opposite order to the steps described in Chapter 6.2
Removing the motor.

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PALLMANN GmbH l Ein Unternehmen der Uzin Utz AG | Im Kreuz 6 | 97076 Würzburg | Telefon [phone] | Telefax [phone] I www.pallmann.net
6 Disassemblingfortransport
For easy transportation the motor and the guide tube can be removed.
6.1 Removingtheguidetube
Caution!Injurytotheoperatororotherpersonscouldoccurordamagecouldoccurifthemachine
startsupunintentionally.Disconnectthemachinefromthepowersupplybeforeworking
onthemachine!
Instructions:
1. Fold down the cable arm (3).
2. Move the main lifting lever (2) to the front position in order to lower the sanding drum to the
 oor. This removes the load from the control rod (5).
3. Loosen both of the wing screws a little (4). Push the handle down to detach the control rod
(5) from the connector (8).
4. Open the guide tube support (7) with the clamping lever (6) and pull the guide tube (1) out.

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PALLMANN GmbH l Ein Unternehmen der Uzin Utz AG | Im Kreuz 6 | 97076 Würzburg | Telefon [phone] | Telefax [phone] I www.pallmann.net
6.2 Removingthemotor
Instructions
1. Make sure that the motor switch is
in the o󰀨 position and that the
mains cable is disconnected from
the motor plug.
3. Lift belt tensioner (2) until locating
pin (3) snaps.
4. Remove the belt (1).
6. Remove the knurled nut from the
motor bracket.
7. Now you can remove the motor.
Caution!Injurytotheoperatororotherpersonscouldoccurordamagecouldoccurifthemachine
startsupunintentionally.Disconnectthemachinefromthepowersupplybeforeworking
onthemachine!