Spare part installed on the top of the rock driller head. The base is made through forging process. BEARINGS are made of wearing resistant copper alloy through CNC process. U seals are installed in the central holes used to fix the drill tail
Installation instructions (from Sandvik Maintenance Manual)
The flushing housing seals must be installed the correct way according the type of flushing
Make sure the lubrication channels are flushed clean with pressurized air.
Detach the front cover (Fig. 4). Using a hydraulic press and the punches of the tool kit, push the bearings out (Fig. 5, 6, 7) to the direction indicated by the arrows in the illustration.
Detaching the front cover
Pressing the shank bushing out by using the special tools no. 3 and 5
Pressing out the front cover bearing by special tool no. 1 and 7
5728202280
5728202281
5728202216
5728202217
5728202218
74021082
5580006641
5580006643
5580018097
5541008400
5580018669
5580018106
5590001209
5541008500
5542111200
5580003437
5540922200
0872100095
022893-002
02433-011
5537673000
5537672200
5580006611
6060008047
5530005600
2657159113
70534278
0211140303
5580017778
5541005100
5541403800
5535650900
5536342600
5536488400
5537428400
5541092400
5540562800
5540737500
5537302900
5541009300
5537302100
2652252061
2652146966
2695013785
2657920829
2657376832
78401378
78401076
5112302498
5537672300
5580005897
5540738500
5541321600
5541489600
5541830700
0367010024
5580008499
0291118549
5537878800
5535583200
5533327900
001111-006
5541709600
5541132700
5541935900
5112246570
5728000006
5537752400
001329-273
001109-027
001329-122
002174-085
5575701302
5537890000
001329-121
001329-125
55180558
73692731
70450680
5580007876
2310105914
2310035384
2310035244
2310035277
5540738400
52212500
6060009419
5541026300
5580017781
2310023281
2310023299
2310010254
2310036291
2310036143
2310015212
2310015113
2390002858
87253059
55190616
73703958
5728001925
70450627
70450636
73930161
73930165
55041735
5575701419
71190636
71406550
2310105872
2310105906
2310035426
2310035442
2310105922
55035974
30063690
78071221
80082309
73702405
70900058
70900056
70534222
001978-009
BG00209938
70212461
55180123
BG00664624
87218119
009679-002
016394-001
009679-052
09373674
55162804
55153450
55097184
56028949
55165042
73833203
70250479
70410310
78217269
70300801
5540871000
55035972
55035970
003501-003
001696-006
70250478
70271378
70533742
73930192
73390716
5590009456
78402210
78401540
88480909
88748739
78401629
73930193
70212653
5541403300
5541006900
5580018133
5580018146
5540608800
55075653
87134539
81013509
55038792
55038793
55054271
55054261
55054239
55054256