BOCKWOLDT HELICAL GEAR BOXES BC Series, Operating Instructions Manual

BOCKWOLDT

Betriebsanleitung 

Operating Instructions

Contents 

Betriebsanleitung Ex 

- 5 - 

BOCKWOLDT

1 

Contents .......................................................................................................................................................... 6

1.1 General 

......................................................................................................................................................................................... 6

1.2 Introduction 

................................................................................................................................................................................... 6

1.3 Directives 

...................................................................................................................................................................................... 7

2 

Safety precautions ....................................................................................................................................... 10

2.1 

Safety precautions for standard applications .............................................................................................................................. 10

2.2 

Safety precautions for applications in potentially explosive atmospheres (EX zones)

 ............................................................... 11

2.3 Check 

lists 

................................................................................................................................................................................... 12

3 

Disposal 

 ....................................................................................................................................................... 14

4 

Gear unit construction

................................................................................................................................. 15

4.1 

CB Helical Gear Box 

2-stage construction ......................................................................................... 15

4.2 

CB Helical Gear Box 

3-stage construction ......................................................................................... 16

4.3 

CB Helical Gear Box, 

Parts ................................................................................................................. 17

4.4 

BC Helical Gear Box 

2-stage construction

 ........................................................................................ 18

4.5 

BC Helical Gear Box, 

Parts

 ................................................................................................................ 19

4.6 

SF Shaft-Mounted Helical Gear Box 

construction ...................................................................................................... 20

4.7 

Shaft-Mounted Helical Gear Box construction Possible configurations  ................................................................................... 21

4.8 

Intermediate casing construction  ............................................................................................................................................... 22

5 

Rating plate and type designation

 ............................................................................................................. 24

5.1 Rating 

plate 

................................................................................................................................................................................. 24

5.2 Type 

designation 

......................................................................................................................................................................... 26

6 

Transport and storage

 ................................................................................................................................. 32

7 

Installation and commissioning

 ................................................................................................................. 33

7.1 

Before you start ........................................................................................................................................................................... 33

7.2 

Installing the Gear Box  ............................................................................................................................................................... 34

7.3 

Gear boxes and Geared Motors for Categories 3G , 3D ; 2G and 2D ........................................................................................ 37

7.4 

Assembling a motor to a single Gear Box (NF-execution)

 .......................................................................................................... 39

7.5 Commissioning

 ........................................................................................................................................................................... 40

7.6 Thermal 

properties

 ...................................................................................................................................................................... 41

8 

Inspection and Maintenance

 ...................................................................................................................... 42

8.1 Definition 

of terms ....................................................................................................................................................................... 42

8.2 Maintenance 

intervals  ................................................................................................................................................................ 43

8.3 Maintenance 

operations

.............................................................................................................................................................. 46

8.4 

Intermediate casing oil  seal ........................................................................................................................................................ 46

8.5 Check 

oil level  ............................................................................................................................................................................ 47

8.6 Change 

oil 

.................................................................................................................................................................................. 50

8.7 

Safety precautions for oil level check and oil change ................................................................................................................. 51

9 

Mounting positions ...................................................................................................................................... 52

9.1 

CB Helical Gear Box  2-stage ................................................................................................................................................... 52

9.2 

BC Helical Gear Box  2-stage ................................................................................................................................................... 53

9.3 

Shaft-Mounted Helical Gear Box ................................................................................................................................................. 54

10 

Lubricants

 ..................................................................................................................................................... 53

10.1 Lubricant 

tables 

........................................................................................................................................................................... 53

10.2 

Oil capacity - CB 

Helical Gear Box ........................................................................................................................................ 55

10.3 

Oil capacity - BC 

Helical Gear Box ........................................................................................................................................ 56

10.4 

Oil capacity - SF 

Shaft-Mounted Helical Gear Box ............................................................................................................... 57

11 

Spare parts and repair ................................................................................................................................. 58

11.1 Spare 

parts 

.................................................................................................................................................................................. 58

11.2 Repairs 

........................................................................................................................................................................................ 58

11.3 

Tightening torques for bolts ......................................................................................................................................................... 58

12 

Troubleshooting ........................................................................................................................................... 59