WOLFF 52549, Operating Instructions Manual

Page 1: ...71665 Vaihingen Enz Dieselstra e 19 Tel 49 0 70 42 95 11 0 Fax 49 0 70 42 95 11 44 E mail info ufloor systems com Internet www wolff tools de Operating instructions Parquet sanding machine Cobra 2 5 k...

Page 2: ...n FRANK GmbH Co KG 75038 Oberderdingen Germany No liability for any damage arising from the use of this brochure Subject to alterations Hermann FRANK GmbH Co KG stliche Bahnhofstr 8 75038 Oberderdinge...

Page 3: ...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 i...

Page 4: ...handle 16 6 2 Removing the motor 17 6 3 Transporting the machine 18 7 Operating the Cobra 19 7 1 Proper clothing and equipment 19 7 2 Safety instructions regarding dust 20 7 3 Disposal of sanding dus...

Page 5: ...g instructions contain important information for the use and safe operation of the Cobra Caution Read these operating instructions carefully before assembling or operating the Cobra Ensure that all op...

Page 6: ...ting instructions 5 Allen keys 5 mm 6 mm 10 mm 6 Running wheel adjustment gauge 7 Tool bag 8 Fixed spanners 10 mm 13 mm 17 mm 30 36 mm 9 Hearing protection Not shown 2 dust bags Not shown Abrasive bel...

Page 7: ...regulator 9 Belt cover 2 Castors 10 Motor 3 Running wheels 11 Cockpit 4 Roller cover 12 Cable arm 5 Star shaped knob 13 Rear carrying bar 6 Motor plug 14 Main lifting lever 7 Front carrying bar 15 So...

Page 8: ...compl 89 7 kg 3 3 Safety and machine protection devices The parquet sanding machine Cobra is equipped with a zero voltage switch The zero voltage switch switches off the machine in case of power failu...

Page 9: ...pply before working on the machine How to mount the handle 1 Insert the bottom part of the connecting rod through the slot of the handle mount Make sure that the fixing studs 1 are inserted into the p...

Page 10: ...part the connecting rod 3 3 Loosen the clamp bolt 4 4 Pull the locking stud 5 and have it snapped in at the desired position 5 Assemble the connecting rod 3 on this position 5 2 Mounting the dust pipe...

Page 11: ...ight it may however be necessary to remove the motor to transport the machine see chapter 6 2 Removing the motor on page 17 Before placing the motor onto the machine make sure the catch 1 is in the op...

Page 12: ...until the locking stud 3 unlatches 2 Insert the belt 1 around the belt pulleys and deflection roller as shown in the figure 3 Slightly lift the belt tensioner 2 and pull back the locking stud 3 4 Low...

Page 13: ...is fitted securely to the dust pipe before sanding How to install the dust bag 1 Pull the outer bag over the dust pipe behind the pipe reinforcement 1 Lace up the cords carefully 2 Open the zipper of...

Page 14: ...oosen the bolts 1 to slacken the mounts 2 The wheels can be screwed in or out by rotating them to adjust them to the proper wall distance The wheels must be positioned horizontally to the floor 3 Afte...

Page 15: ...the power cable through the curls at the end of the cable arm 3 to keep the cable away from the sanding zone 4 Connect the motor coupling 4 of the control cable to the motor 5 Connect the coupling 5 o...

Page 16: ...he mains supply before working on the machine How to remove the handle 1 Disconnect the motor and lamp couplings 2 Fold down the cable arm 1 3 Fold the main lifting lever 2 to the front position to lo...

Page 17: ...ke sure that the motor switch is in the off position and that the power cable is disconnected from the motor plug 2 Unscrew the bolt 1 from the belt cover and open the cover 3 Slacken the belt by rais...

Page 18: ...and back 2 The front carrying bar 1 can be folded up The transport plate is recommended for transporting the machine When the machine is placed on the transport plate the sanding roller and the casto...

Page 19: ...tors Local conditions such as room size and quality of the floor affect noise emission Caution Wear dust mask Wear a dust mask when operating the parquet sanding machine Cobra or when disposing of the...

Page 20: ...llergisation period Beechwood and oakwood dust is classified as carcinogenic nasal mucosa cancer Dust from other types of wood is suspected of having carcinogenic effects Caution Risk of fire No smoki...

Page 21: ...th a fireproof non flammable lid Store the container only outdoors Caution When a third of the dust bag is filled with sanding dust at the latest empty the dust bag Otherwise the dust absorption perfo...

Page 22: ...ys wear safety gloves when replacing the abrasive belt How to replace the abrasive belt 1 Switch off the machine 2 Unplug the power cable from the mains supply 3 Open the roller cover 1 and the hood 2...

Page 23: ...lifting lever 2 to the top 2 Pull the sanding pressure regulator 1 to the top and rotate it to the desired position 3 3 Release it on the desired position You can select between 4 levels Level 1 Easy...

Page 24: ...from electric shock if the electric cable or connectors are damaged Damaged cables or connectors have to be replaced by a qualified electrician Caution Danger of death from electric shock Danger of d...

Page 25: ...Risk of fire If the floor is installed with nails make sure that they are countersunk deep enough to avoid a grinding of the nails before you start sanding Hitting a nail while sanding may produce sp...

Page 26: ...26 03 2009 Each sanding lane corresponds to one forward and one backward sanding without offsetting the backward sanding lane...

Page 27: ...lanes from left to right Pay attention to a shoulderfree transition to the area already sanded Note To obtain a nice surface of the floor several sanding rounds are required in general For detailed in...

Page 28: ...currents 4 With cold temperatures below 10 C the motor needs a distinctly longer ramp up period Cold bearings have a greater resistance and have to warm up at first If the motor does not ramp up let t...

Page 29: ...starting the machine make sure that the main lifting lever for the sanding roller 1 is in the rear position The sanding roller is clearly raised from the floor The distance to the floor is approx 15...

Page 30: ...d keep it in this position 4 While holding the soft lowering lever 2 push the main lifting lever 1 forward with your left hand This lowers the sanding roller to approx 5 mm above the floor It is absol...

Page 31: ...the first lane constantly push forward the machine and slowly lower the soft lowering lever 2 to lower the sanding roller onto the floor Caution Move the machine at an even pace while sanding to avoid...

Page 32: ...ne For the next forward sanding offset the machine about 10 cm to the right Caution In no event shall the machine come to a standstill while sanding not even for a short moment as this would sand a de...

Page 33: ...into the rear position with your left hand Now you can release the soft lowering lever 2 Switch off the machine and unplug the cable from the mains supply Protect the machine against inadvertent roll...

Page 34: ...Fold the tension lever 2 to the front to slacken the abrasive belt 5 Pull out the abrasive belt 3 to the side 6 Unscrew the retaining nut 4 The retaining nut is glued to the thread of the sanding roll...

Page 35: ...t thread and bolt the nut onto the sanding roller shaft Securely tighten the retaining nut with the delivered double headed fixed spanner Position the machine upright again and lower the sanding rolle...

Page 36: ...nding roller and the running wheels must be flush The right running wheel is adjustable The left wheel does not adjust How to adjust the running wheels 1 Switch off the machine 2 Unplug the power cabl...

Page 37: ...s the bar of the running wheel adjustment gauge 4 7 Tighten the lock nut 2 of the star shaped knob on the running gear lever beside the right running wheel 8 3 Adjusting the castors How to adjust the...

Page 38: ...this adjustment work How to adjust the tension roller Caution Before carrying out the steps described in the following make sure that the main lifting lever is folded backwards to raise the sanding r...

Page 39: ...on of a new lamp is in reverse order 9 Declaration of conformity Herewith we declare in sole responsibility that this product complies with the following standards and normative documents EN 50144 in...

Page 40: ...ained and experienced staff and the required equipment We strongly recommend authorised FRANK service shops Before replacing parts installing accessories or modifying the technical layout of the machi...