Antec NDT Series Instruction manual

ELECTROHYDRAULIC BRAKES
NDT-NFT-NAT
Instructions for assembly, adjustment and maintenance
Technical data sheet number: BC.TDS.00015I
Author: Unitzer Bilbao
Reviewed by: Sales department.
Date registered: 01-11-2011
Rev.1. date 18-01-2012
Aplicación Nuevas Tecnologías, ANTEC S.A.
Ramón y Cajal, 74 – 48.920 Portugalete (Bizkaia)-Spain.
Tel.: [phone] Fax: [phone]
After Sales Service: [email protected]
www.antecsa.com Page 1-48

NDT-NFT-NAT ELECTROHYDRAULIC BRAKES
Instructions for assembly, adjustment and maintenance
T.D.S.: BC.TDS.00015I
Rev.01: January 2012.
www.antecsa.com Page. 2-48
1. INTRODUCTION. Page 3.
1.1. WHO IS THE TARGET AUDIENCE? Page 3.
1.2. SAFETY INSTRUCTIONS. Page 3.
1.3. RISK ASSESSMENT. Page 5.
1.3.1. IDENTIFICATION OF THE BRAKE'S POTENTIAL RISKS. Page 5.
1.3.2. ANALYSIS AND ASSESSMENT OF THE RISKS IDENTIFIED. Page 7.
1.3.3. MEASURES ADOPTED TO MINIMISE THE RISKS ANALYSED. Page 7.
1.4. GENERAL ASPECTS. Page 11.
2. BRAKE OPERATION. Page 14.
3. BRAKE ASSEMBLY. Page 16.
4. BRAKE ADJUSTMENT AND SETTING. Page 22.
5. BRAKE MAINTENANCE. Page 29.
6. CHANGING THE BRAKE SHOES. Page 30.
7. BRAKE OPTIONS. Page 33.
7.1. AUTOMATIC RECOVERY (RA). Page 33.
7.2. BRAKE OPEN SIGNALLING CONTACT (CSA). Page 38.
7.3. BRAKE SHOE LINING WEAR DETECTOR (DD). Page 41.
7.4. BRAKE MANUAL UNLOCK (DM). Page 42.
7.5. DESCENT VALVE IN TURBEL BRAKE LIFTER (VD). Page 43.
7.6. REDUCED TORQUE BRAKES (PR). Page 45.
7.7. SPECIAL PAINT (PE). Page 47.
7.8. PNEUMATIC OR HYDRAULIC OPENING OF THE BRAKE. Page 47.
7.9. BRAKE WITH TURBEL ATEX CERTIFICATION. Page 47.
8. SPARE PARTS. Page 48.
9. ONGOING IMPROVEMENT PLAN. Page 48.

NDT-NFT-NAT ELECTROHYDRAULIC BRAKES
Instructions for assembly, adjustment and maintenance
T.D.S.: BC.TDS.00015I
Rev.01: January 2012.
www.antecsa.com Page. 3-48
1. INTRODUCTION.
1.1. WHO IS THE TARGET AUDIENCE?
This manual has been written to aid with the installation, start-up, operation and
maintenance of the brake. It is designed to help workers who are going to manipulate the brake
and service technicians. It should therefore be made available to everyone who is going to
work with these brakes and it must be ensured that the instructions given are followed.
This manual is intended to clarify any constructive doubts and the basic functions of the
brake. We are sure that it will be an extremely useful information and reference tool for
operators and technicians.
1.2. SAFETY INSTRUCTIONS.
Various symbols appear throughout this manual which highlight the importance of the
section in question. They are usually related to safety, and therefore require special attention.
In the event of any problems or if you have any
questions regarding the brake, please do not hesitate to
contact the ANTEC After-Sales Service, specifying the
brake model and the Antec order number, data that can
be found on the label that each unit has.
NOTE
Due to ongoing improvements to our brake designs,
your brake may differ slightly from the one described in
this manual. ANTEC reserves the right to make any
changes deemed necessary.
NOTE
Warning: This symbol will be included at points
or in paragraphs that need special attention. It
usually refers to an operation in which special
care must be taken.

NDT-NFT-NAT ELECTROHYDRAULIC BRAKES
Instructions for assembly, adjustment and maintenance
T.D.S.: BC.TDS.00015I
Rev.01: January 2012.
www.antecsa.com Page. 4-48
A number of general safety rules must be followed when handling Antec brakes:
1. All workers and technicians must wear appropriate gear when handling the brake (safety
clothes, boots, helmet, goggles, etc.).
2. Always keep warning signs (if any) in good condition and adhere to them. During repairs or
maintenance, place a card to inform other workers that an Antec brake is being repaired in that
machine and that the power supply has been disconnected, if applicable.
3. Find out the exact specifications of the liquids used to ensure health and safety.
4. Make sure electrical apparatus (if any) is properly earthed to prevent electric shocks.
5. Respect the limits established for each brake element and for the brake itself.
6. Before switching on any machine fitted with Antec brakes ensure that the brake is properly
fitted.
These are the general safety rules to be followed with any Antec product.
Danger of death: This symbol will be included at
points or in paragraphs that need special
attention. It usually refers to an operation that
might involve a death hazard.
High temperatures: This symbol will be included
at points or in paragraphs that need special
attention. It usually refers to an operation that
might involve danger of high temperatures.
NOTE This symbol will be used to highlight an
important comment or piece of information.

NDT-NFT-NAT ELECTROHYDRAULIC BRAKES
Instructions for assembly, adjustment and maintenance
T.D.S.: BC.TDS.00015I
Rev.01: January 2012.
www.antecsa.com Page. 5-48
1.3. RISK ASSESSMENT.
1.3.1. IDENTIFICATION OF THE BRAKE'S POTENTIAL RISKS.
In this section we will list the risks derived from the brakes made by Antec, S.A. in the
event of malfunction (disassembly and assembly) and during their use by the end customer.
Risks when assembling and disassembling brakes:
Description of the
risk identified Measurement of the risk Indication Preventive solution adopted
Fall to a different
level Step ladder: 2m slant
Inform the operator. Basic
training.
Preventive inspection of
stepladders.
Fallen material Maximum weight: 10-45
Kg.
Operator training.
Use of safety footwear.
Use of gloves for a better
grip on parts.
Cuts and blows Use of tools for portable or
manual assemblies.
Operator training.
Use of protective gloves for
certain assembly
operations.
Projection of solid
or liquid particles
Oil leaks through the
drum/casing joint,
maximum interior
pressure: 5 bar.
Operator training. Setting
of maximum filling levels
Use of protective goggles.
Trapping
Manipulation of parts
during assembly.
Thrustor in operation,
movement of the shank.
Operator training.
Use of protective gloves.
Burns
Preheating stove,
Ext. temp. 60 ºC
Thrustor in operation,
Ext. temp. 100 ºC
Operator training. Sticker
indicating the risk of burns
at the heat source.
Use of protective gloves.
Electrocution Use of test voltages. 185-
910 V. Operator training. Indicative sticker.