SEW-Eurodrive F 27 Series, Operating Instructions Manual

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3
10
R..7, F..7, K..7, S..7, Spiroplan
®
W Gear Units – Operating Instructions
Gear Unit Design
3.4 Base design of a helical-worm gear unit
Legend
03487AXX
Fig. 4: Basic design of a helical-worm gear unit
131 39
137 507
506
37
5
30
30
30
520
519
518
11
6
7
25
88
89
59
523
522
521
19
2
59
102
101
59
20
22
1
100
61
1 Pinion 19 Key 61 Circlip 507 Shim
2 Gear 20 Breather valve 88 Circlip 518 Shim
5 Worm 22 Gear unit housing 89 Cap 519 Shim
6 Worm gear 25 Tapered roller bearing 100 Gear unit housing 520 Shim
7 Output shaft 30 Tapered roller bearing 101 Hex head screw 521 Shim
9 Oil seal 37 Tapered roller bearing 131 Cap 522 Shim
11 Tapered roller bearing 39 Circlip 137 Spacer 523 Shim
12 Circlip 59 Screw plug 506 Shim