BOCKWOLDT HELICAL GEAR BOXES CB Series User Manual

BOCKWOLDT HELICAL GEAR BOXES CB Series

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Betriebsanleitung Ex

- 1 -

BOCKWOLDT

STAND: 03-2019

EDITION: 03-2019

Table of Contents

Questions and Answers:

B
bakerthomasAug 1, 2025
What to do if there is oil leaking from the breather valve in BOCKWOLDT HELICAL GEAR BOXES CB?
- V
  Valerie WheelerAug 1, 2025
  If you notice oil leaking from the breather valve of your BOCKWOLDT DC Drives, it could be due to either too much oil or an incorrect installation position. To resolve this, correct the oil level as described in the maintenance section (Kap. 8.3) and ensure the breather valve is installed according to the installation position overview. Also, correct the oil level according to the oil filling quantity table.
G
Gregory SheltonAug 5, 2025
How to fix oil leaking from the gear cover on BOCKWOLDT HELICAL GEAR BOXES CB DC Drives?
- S
  Sharon BakerAug 6, 2025
  If there is oil leaking at the gear cover of your BOCKWOLDT DC Drives, it is likely due to a leaky surface seal on the gear cover. Try tightening the screws on the gear cover and observe the gearbox. If the oil leakage continues, notify the factory.
S
Shawn IbarraAug 10, 2025
What to do if BOCKWOLDT HELICAL GEAR BOXES CB DC Drives makes unusual, uneven running noises?
- M
  mendezbenjaminAug 10, 2025
  If you experience unusual and uneven running noises in your BOCKWOLDT DC Drives, there may be foreign objects in the oil. Check the oil, switch off the drive, and notify the factory.
M
Michael HolmesAug 14, 2025
What to do if there's oil leaking from the output shaft seal on BOCKWOLDT HELICAL GEAR BOXES CB?
- J
  John HolmesAug 14, 2025
  If oil is leaking from the output-side shaft seal on your BOCKWOLDT DC Drives, the gearbox may not be vented. Vent the gearbox and monitor it. If oil continues to leak, notify the factory.

BOCKWOLDT HELICAL GEAR BOXES CB Series Specifications

General

Brand	BOCKWOLDT
Model	HELICAL GEAR BOXES CB Series
Category	DC Drives
Language	English

Summary

Introduction to Bockwoldt Gear Boxes

General Information

Important information for operating gear boxes.

Introduction to Explosion Protection

Overview of explosion protection for machines.

Regulations and Directives

Details on ATEX Directive and equipment categories.

Safety Precautions

Safety for Standard Operations

Safety guidelines for standard use of gear boxes.

Safety for Ex-Zone Applications

Safety for potentially explosive atmospheres (Ex zones).

Pre-Installation Checklists

Pre-installation checks for ATEX Directive approved equipment.

Gear Unit Construction Details

2-Stage Helical Gear Box Construction

Detailed construction of a 2-stage helical gear box.

3-Stage Helical Gear Box Construction

Detailed construction of a 3-stage helical gear box.

Shaft-Mounted Helical Gear Box Construction

Construction details for shaft-mounted helical gear boxes.

Intermediate Casing Construction

Construction details for intermediate casing.

Rating Plate and Type Designation

Gear Box Rating Plate

Explanation of the gear box rating plate information.

Gear Box Type Designation

Guide to understanding gear box type designations.

Installation and Commissioning

Before You Begin Installation

Pre-installation checks and requirements for drive installation.

Mounting the Gear Box

Instructions for correctly positioning and mounting gear boxes.

Gear Units in Categories 3G, 3D, 2G, 2D

Guidelines for using Ex-rated gear units in specific zones.

Commissioning Procedures

Procedures for commissioning gear boxes and geared motors.

Inspection and Maintenance

Definitions per IEC 60079

Definitions for maintenance and inspection terms.

Maintenance Intervals

Recommended intervals for gear box inspections and maintenance.

Checking the Oil Level

Procedures for checking the oil level in gear boxes.

Changing the Oil

Steps for changing the lubricant in gear boxes.

Mounting Positions

2-Stage Helical Gear Boxes

Illustrations of mounting positions for 2-stage helical gear boxes.

BC 2-Stage Helical Gear Boxes

Illustrations of mounting positions for BC 2-stage helical gear boxes.

Shaft-Mounted Helical Gear Boxes

Illustrations of mounting positions for shaft-mounted helical gear boxes.

Lubricants

Lubricant Tables

Table of approved lubricants and their temperature ranges.

CB Helical Gear Box Oil Capacities

Oil capacity specifications for CB helical gear boxes.

Shaft-Mounted Helical Gear Box Oil Capacities

Oil capacity specifications for shaft-mounted helical gear boxes.

Spare Parts and Repair

Spare Parts Guidelines

Guidelines for ordering and using original spare parts.

Repair Procedures

Procedures for authorized repair of gear boxes.

Screw Tightening Torques

Torque specifications for bolts of strength class 8.8.

Troubleshooting

Gear Box Faults and Solutions

Common faults, possible causes, and solutions for gear boxes.