Mayr ROBA-stop-M 891 Series User Manual

Installation and Operational Instructions for
ROBA-stop
®
-M brake Type 891._ _ _._
Size 1000 (B.8.1.1.EN)
14/03/2024 TK/MW Chr. Mayr GmbH + Co. KG
Eichenstraße 1, D-87665 Mauerstetten, Germany
Phone: +49 8341 804-0, Fax: +49 8341 804-421
Page 1 of 19 www.mayr.com, email: public.mayr@mayr.com
Translation of the Original Operational Instructions
Please read these Operational Instructions carefully and follow them accordingly!
Ignoring these Instructions may lead to malfunctions or to brake failure, resulting in damage to other parts.
These Installation and Operational Instructions (I + O) are part of the brake delivery.
Please keep them handy and near to the brake at all times.
Contents:
Page 1: - Contents
- Safety and Guideline Signs
Page 2: - Guidelines on EU Directives
Page 3: - Guidelines on UK Directives / Conformity
- Guidelines on EU and UK REACH
Page 4: - Safety Regulations
Page 5: - Safety Regulations
Page 6: - Safety Regulations
- Identification
Page 7: - Brake Illustrations
Page 8: - Parts List
Page 9: - Table 1: Technical Data
- Table 2: Braking Torque Graduations
Page 10: - Design
- Function
- Scope of Delivery / State of Delivery
- Installation Conditions
- Installation
Page 11: - Braking Torque Adjustment
- Definition of the Braking Torques
- Run-in Procedure
- Brake Inspection
Page 12: - Emergency Hand Release Actuation
- Torque-Time Diagram
- Table 3: Switching Times
Page 13: - Electrical Connection and Wiring
Page 14: - Electrical Connection and Wiring
Page 15: - Air Gap Inspection
- Maintenance
Page 16: - Replacing the Rotor
- Information on the Components
- Cleaning the Brake
Page 17: - Permitted Brake Friction Work
Page 18: - Disposal
- Malfunctions / Breakdowns
Page 19: - Malfunctions / Breakdowns
Safety and Guideline Signs
DANGER
Immediate and impending danger, which can
lead to severe physical injuries or to death.
CAUTION
Danger of injury to personnel and damage to
machines.
Please Observe!
Guidelines on important points

Mayr ROBA-stop-M 891 Series Specifications

General

Series	891
Operating Temperature	-20°C to +40°C
Application	Industrial braking systems
Voltage	24 V DC
Protection Class	IP54
Mounting	Flange mounting

Summary

Operational Instructions and Regulatory Compliance

EU Directives and Conformity

Overview of EU directives, conformity, and safety standards applicable to the product.

UK Directives and Conformity

UK directives, conformity requirements, and UKCA marking for the product.

Safety Regulations

Crucial safety rules for installation, operation, and maintenance of the brake.

Applicable Standards and Regulations

Listing of all relevant standards, directives, and regulations governing the brake.

Brake Components and Specifications

Brake Illustrations

Visual diagrams showing the brake's construction and parts.

Parts List

Comprehensive list of all brake components with item numbers.

Technical Data and Torque Graduations

Key technical specifications and braking torque values for different models.

Installation and Setup

Design, Function, and Scope of Delivery

Explanation of brake design, function, and what is included in delivery.

Installation Conditions and Steps

Requirements for installation environment and step-by-step mounting instructions.

Torque, Run-in, and Emergency Release

Braking Torque Definition and Adjustment

Explains braking torque, its definition, and how to adjust it.

Run-in and Inspection Procedures

Procedures for conditioning friction linings and inspecting the brake.

Emergency Hand Release and Performance Data

Manual release procedure, torque-time diagram, and switching times.

Electrical Connection and Wiring

Grounding, Fuses, and Switching Behavior

Safety for grounding, fuses, and explanation of switching behavior.

AC/DC Switching Modes and Protection

Details on AC/DC switching, performance, and required protection circuits.

Inspection, Maintenance, and Wear

Air Gap Inspection

Method for measuring the air gap using a feeler gauge.

General Maintenance and Rotor Replacement

Guidelines for inspection, wear examination, and rotor replacement.

Component Information and Cleaning

Details on friction material, hazards, protective measures, and brake cleaning.

Friction Work, Disposal, and Malfunctions

Permitted Brake Friction Work

Values for permitted friction work based on switching frequency and speed.

Disposal Guidelines

Instructions for proper disposal of brake components.

Malfunctions / Breakdowns

Common malfunctions, their causes, and recommended solutions.