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4939 5228 01

 

Special Tools 
Require

 

 

Forcing discs

4931 5990 18

 

 

TX 15

4931 5990 05

 

Important!

 

 

Before beginning the maintenance work, perform an initial check with a high voltage test according 
to VDE (see chapter Electrical and Mechanical Test Instructions).

 

 

Before all repair work, pull the power plug from the socket!

 

Disassembly

 

Detaching
the handle

 

1

 

Unscrew the handle (1).

 

2

 

Machines with QUIK-LOK: 

 

Pull off the 

Quick-Lock connection cable (2).

 

Removing the 
carbon brushes

 

1

 

Loosen the screws (1) on both service 
covers (2) with TX 15.

 

2

 

Carefully lever off the service cover (2) 
with aid of a screwdriver.

 

3

 

Loosen the plug contact of the carbon 
brushes (3) on both sides and remove the 
carbon brushes (3).

 

Detaching the 
guard cap

 

1

 

Fold away the hoop on the Fixtec nut (1) 
and unscrew the Fixtec nut (1).

 

 

In case of stiffness, a pin-type face 
spanner can be used.

 

2

 

Remove the grinding disc (2).

 

3

 

Remove the clamping flange (3).

 

4

 

Loosen three screws (4) and remove the 
spring washer (5).

 

5

 

Remove the guard cap (6).

1

2

1

1

3

2

1

2

3

2

1

6

4

2

3

5

3

Summary of Contents for 4000407276

Page 1: ... the Quick Lock connection cable 2 Removing the carbon brushes 1 Loosen the screws 1 on both service covers 2 with TX 15 2 Carefully lever off the service cover 2 with aid of a screwdriver 3 Loosen the plug contact of the carbon brushes 3 on both sides and remove the carbon brushes 3 Detaching the guard cap 1 Fold away the hoop on the Fixtec nut 1 and unscrew the Fixtec nut 1 In case of stiffness ...

Page 2: ...ling the spindle assembly 1 Place the complete bearing end plate 2 7 on a press Apply pressure on the spin dle in direction of arrow A gap will appear between bevel gear wheel 2 and bearing end plate 5 Insert the forcing discs service tool into this gap and press off the bevel gear wheel 2 Finally press out the spindle assembly 2 Dismantle the spindle assembly as fol lows bevel gear wheel 2 O ring...

Page 3: ...rotective jaws 4 Remove the nut 3 Machines with seal ring Removing the pinion 1 Remove the locking ring 7 and the fol lowing parts disc 6 seal ring 5 press off the bearing 4 washer 3 2 Remove the pinion 1 with the washer 2 from the gear box 3 Remove the washer 2 from the pin ion 1 if necessary peel it off with aid of a screwdriver Machines with sealing washer Removing the pinion 1 Remove the locki...

Page 4: ...bearing sleeve 1 magnetic disc 2 press off the bearing 3 insulating disc 4 Removing the spindle lock 1 Press the press ram with a suitable man drel steel pin in direction of arrow onto the middle of the push button 1 2 Remove the push button 1 the pressure spring 2 and the locking bolt 3 The push button is destroyed 1 Removing the air deflector ring 1 Remove the air deflector ring 1 with the holdi...

Page 5: ... component 1 Remove seven screws 5 and A from the handle B and detach the handle 2 Branch off the field wires e d f g k and remove the connecting cables 3 and the brush holders 4 from both sides 3 Unscrew the strain relief 7 4 Branch off the switch 8 and remove it Branch off the mains feed lines 6 a b Remove the mains connection cable 9 Machines with QUIK LOK Remove the insert E 5 Machines with sp...

Page 6: ...e reassembling perform an electrical test on all relevant parts see chapter Electrical and Mechanical Test Instructions Lubrication Each time maintenance is performed the machine is to be lubricates as stated in the lubrication plan After the machine is fully disassembled completely remove the old grease and replace with new grease The grease must be applied to the machine as indicated in the lubr...

Page 7: ...ent D to the field 1 e d f g k and insert it 3 Machines with speed electronics Connect the electronic element C to the field 1 e d f g k and insert it 4 Machines with QUIK LOK Mount the in sert E to connect the Quick Lock cable 5 Insert the mains connection cable 9 Connect the mains feed lines a b 6 to the switch 8 Insert the switch 8 6 Screw down the strain relief 7 7 Connect the connecting cable...

Page 8: ... 1 Connect the con necting cables 3 to the carbon brush holders on both sides 4 and insert them on both sides 5 Put together the handle halves B and fasten them with seven screws A and 5 Mounting the air deflector ring 1 Insert both holding down devices 2 into the motor housing 3 2 Put on the air deflector ring 1 Mounting the spindle lock 1 Mount a new push button 1 the pressure spring 2 and the l...

Page 9: ...he following parts in the front gear box washer 3 press in the bearing 4 seal ring 5 disc 6 locking ring 7 2 Insert the washer 2 the pinion 1 and the nut 8 into the gear box in preparation for mounting the armature Machines with seal ring Mounting the pinion 1 Mount the following parts in the front gear box washer 3 press in the bearing 4 seal ring 5 disc 6 locking ring 7 2 Mount the washer 2 on t...

Page 10: ...Put the washer 9 on the end of the shaft 3 Put the pinion 8 and the nut 3 on the end of the armature shaft 4 Use a fork wrench SW12 and pliers 5 to screw in the armature contra rotating 4 Use four screws 2 to fasten the front gear box to the motor housing 7 Assembling the spindle 1 Mount the following parts on the spindle shaft 6 disc 5 bearing end plate 4 disc 3 O ring 2 press on the bevel gear w...

Page 11: ...Mount the guard cap 6 and fix it with the spring washer 5 and three screws 4 2 Put on the clamping flange 3 3 Insert the grinding disc 2 4 Screw down the Fixtec nut 1 Mounting the carbon brushes 1 Insert the carbon brushes 3 on both sides and connect the plug contact 2 Insert the service covers 2 on both sides 3 Fasten the service covers 2 with one screw 1 each using TX 15 1 2 10 1 6 4 2 3 5 11 1 ...

Page 12: ...dle 1 2 Machines with QUIK LOK Fasten the Quick Lock cable 2 Test Run Electrical Test Test run the machine and pay attention to noises Let the machine run in Perform an electrical test on the machine see chapter Electrical and Mechanical Test Instructions 1 2 13 ...

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