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12

PAGE

Repair Instructions

K 350

Assembling the 
angle drive

1

Insert the support ring (71).

2

Grease the shaft (82) and insert into the 
gear box (27) by turning it slightly.

3

Insert the disks (72 &73).
Note: Depending on the tolerance of the 
bearing, two or three disks (72 &73) are 
needed. For assembly, use the same 
amount of disks as removed.

4

Insert the locking washer (67) such that 
the lugs face the bearing (see illustration).

Mounting the 
spindle bearing

1

Press the sintered bearing (69) into the 
bearing housing (70).

2

Insert the bearing housing (70) into the 
gear box (27).
Note: Do not press in the bearing hous-
ing (70) completely for easier mounting of 
the back shaft (29) and the cylinder (40).
Caution: Care must be taken to ensure 
the correct positioning of the bearing 
housing (70).

Assembling the 
back gear shaft

1

Fit the following parts onto the back of re-
duction gear shaft (29) in the following or-
der:

– disk (31)

– spring (32)

– coupling sleeve (33)

– disk (34)

– tumble drive (35)

2

Press on the reduction gear (36) with
0.05 mm to the tumble drive.
Caution: the smooth surface must face 
the tumble drive (35).

3

Lightly grease the thrust bearing (30) and 
insert it into the reduction gear (36).

4

Fit the disk (30) and check the distance:

– if the distance is more than 100.5mm, do 

not fit the disk (30).

– if the distance is less than 100.5mm fit 

another disk (30) and check the dis-
tance again.

5

Push on the O-ring (87).

67

66

82

71

27

72

73

7

69

70

27

8

X

0,5 mm

35

36 30

29

31

32

33

34

35

36

87

30

9

Summary of Contents for K 350

Page 1: ......

Page 2: ...ge flash testing On completion of dismantling procedure all electrical components should then be checked for electrical safety The hammer should ONLY be checked for hammer performance if the unit pass...

Page 3: ...tion and break it off with aid of pliers the lever is being destroyed Note Should this not be possible mount the switch in a vice and break it off by rock ing the machine Remove any broken parts from...

Page 4: ...d can be removed with pliers Remove the spindle gear 49 4 Remove the stop washer 48 and the cup springs Dismantling the spindle remov ing the inner locking ring To remove the locking ring service tool...

Page 5: ...nder 40 3 Press out the bolt 42 by hand and re move the two disks 41 older machines guide ring see box 4 Remove the needle bearing 87 with aid of an interior extractor In case of older machines remove...

Page 6: ...and use the same number when re assembling Removing the motor cover 1 Remove the four bolts 85 and remove the protective cap 8 Dismantling the handle 1 Remove the pin 4 2 Disconnect the field supply c...

Page 7: ...screw the cable collar 17 2 Remove following parts switch 22 23 capacitor 24 cable 1 wire 18 19 Removing the motor 1 Remove the bolts 85 and pull out the motor if necessary hit the motor hous ing 27 l...

Page 8: ...he silicone buffers 12 3 Pull out the entire armature 74 4 Press off the gear wheel 82 5 Remove the spacer 81 sleeve 80 and the bearing 77 Removing the field 1 Remove the air deflector ring 11 and the...

Page 9: ...should be cleaned in a suitable cleaning fluid Electrical parts should be cleaned by the use of compressed air PRECAUTIONS MUST BE TAKEN FOR PERSONAL SAFETY THE USE OF EYE PROTECTION AND GLOVES IS RE...

Page 10: ...500 volts A C between commutator segments and lamina tions B See diagram A Armature shaft to lamination pack 2500 volts B Lamination pack to commutator 1500 volts C Armature shaft to commutator 4000 v...

Page 11: ...air deflector ring see illustration Assembling and mounting the armature 1 Push the bearing 77 the spacer 81 and the seal ring 80 seal nearest to the com mutator onto the armature shaft and press on...

Page 12: ...bolt 68 and fix the AVS rubber 87 with the wash er 5 and locking ring 6 3 Insert the silicone buffer 87 into the han dle cover 86 4 Fasten the handle cover 86 with the bolts 85 1 2 Nm 5 Push the field...

Page 13: ...r mounting of the back shaft 29 and the cylinder 40 Caution Care must be taken to ensure the correct positioning of the bearing housing 70 Assembling the back gear shaft 1 Fit the following parts onto...

Page 14: ...lowest posi tion and leave it there Insert the cylinder into the end shield Insert the tumble drive into the mounted cylinder 4 Grease the striker 39 and insert it into the cylinder Assembling the sp...

Page 15: ...two screws 85 6 Nm for additional security use Loctite 222 or Omnifit 2 Push the ring gear 38 over the back gear shaft 29 and let it engage in the locking slide 43 3 Push the planetary gear 37 onto t...

Page 16: ...sliding sleeve 87 and fit the rubber A Mounting the carbon brushes 1 Insert the brush holder 15 into the hous ing and connect the cable to the field 2 Insert the carbon brush 88 into the brush holder...

Page 17: ...ed without breakdown or flashover for a few seconds If the armature has been tested remove the carbon brushes before carrying out the test thus avoiding over stressing the armature insulation system A...

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