Dings-dynamics-group 70 Series Hazardous Location Bedienungsanleitung PDF herunterladen

70 Series Hazardous

Brake Instructions

DESCRIPTION

The 70 Series Brake is a direct acting, electro magnetically released, spring set unit that utilizes rotating and stationary

disc contact to supply positive braking action with quick release and setting capabilities at all times. Brakes which are

not provided with a floor mounting bracket are intended to be mounted as an integral part of electric motors listed for

corresponding hazardous locations where the acceptability of the combinations has been determined by Underwriter’s

Laboratories, Inc. The explosion-proof assembly is completed by assembly of the brakes to the motors.

READ THIS BULLETIN CAREFULLY BEFORE INSTALLING OR OPERATING THE

70 SERIES BRAKE. FAILURE TO COMPLY WITH THESE INSTRUCTIONS CANCELS

ALL WARRANTIES SINCE THE SAFETY OF THE UNIT MAY BE ENDANGERED BY

IMPROPER INSTALLATION OR OPERATING PROCEDURES.

Bulletin No. BK4606 (8/07)

4740 WEST ELECTRIC AVENUE  MILWAUKEE, WI 53219  PHONE 414/672-7830  FAX 414/672-5354  www. dingsco.com

MOTOR MOUNTED* FOOT MOUNTED

MODEL MODEL

NO. Torque NO. Torque

R71010-9 10 lb. ft. FR71010-9 10 lb. ft.

R71015-9 15 lb. ft. FR71015-9 15 lb. ft.

R72025-9 25 lb. ft. FR72025-9 25 lb. ft.

R73035-9 35 lb. ft. FR73035-9 35 lb. ft.

R74050-9 50 lb. ft. FR74050-9 50 lb. ft.

R75075-9 75 lb. ft. FR75075-9 75 lb. ft.

*If a hazardous location brake is purchased by other than an

authorized electric motor manufacturer, a Foot Mounted brake

must be purchased to obtain the UL label.

CAUTION

DO NOT OPERATE MANUAL RELEASE

OR ENERGIZE BRAKE COIL BEFORE

INSTALLATION IN ORDER TO PRESERVE

PRE-ALIGNMENT OF ROTATING DISCS

FOR EASE OF INSTALLATION.

USE ONLY HUB FURNISHED BY DINGS

SPECIFICALLY FOR USE IN HAZARDOUS

LOCATION BRAKES. DO NOT OPERATE

BRAKES IN EXPLOSIVE ATMOSPHERE

WITH COVER OR COVER BOLTS

REMOVED.

MANUAL RELEASE (See Figure 1)

To manually release brake, push in release knob and rotate

counterclockwise until strikes stop-pin. Brake will remain

released until release knob is pushed in and turned clockwise

or until power is restored, automatically resetting the brake.

THERMAL RELEASE

If the brake overheats, the thermal release mechanism will release

spring pressure on the friction discs, releasing brake. To reset ther-

mal release, allow brake to cool, then push in release knob (17)

and rotate clockwise until it strikes the stop-pin. Check brake

operation as overheating may indicate a broken lead wire or

burned out coil.

The thermal release mechanism has been calibrated at the factory

and the setting of the bimetal element and control rod MUST

NOT BE DISTURBED. If the mechanism does not function

properly, the complete pressure plate assembly (9), complete

magnet plate assembly (3), release gears (34) and items 31

through 50 must be returned to the factory for adjustments.

G060629-006

Figure 1.

Table 1. List of Models

1 2 3 4 5 6 7 8

Inhaltsverzeichnis

Seite 1 - G060629-006

70 Series HazardousBrake InstructionsDESCRIPTIONThe 70 Series Brake is a direct acting, electro magnetically released, spring set unit that utilizes r

Seite 2

WARNINGSA. Read this bulletin carefully before installing or operating the brakes. Failure to complywith the installation or operating instructions ca

Seite 3

The thermal overload mechanism can be reset manually after a cooling off period. Beforeresetting, the root cause for actuating the thermal overload me

Seite 4

Item Description PartNo. No.1 Cover K070091-0012 Gap Adjusting Nut W003001-0223 Magnet & Coil Assembly, 3 Phase K070283-***3 Magnet & Coil Ass

Seite 5 - Figure 2. Wiring Connections

INSTALLATION OF BRAKE ON MOTORENDSHIELD (See Figures 2, 3 and Table 4)Do not operate manual release or energize brake coil beforeinstallation in order

Seite 6 - INSTALLATION OF FOOT MOUNTING

Torque “BC” Spring Shaft Length Magnet Gap “A”Model Number Lb. Ft. +1/32 -.000 Length “D” “AH” Max. A-Min. A-Max.R71010-9 10 5/8 1-5/16 3-7/16 .030 .0

Seite 7

TORQUE ADJUSTMENT(See Figure 2 & Table 4)14. Adjust length of torque springs (7) to dimension “D” for rated torque. To decrease torque, increase s

Seite 8 - WARRANTY

TROUBLESHOOTINGBRAKE DOES NOT RELEASECheck for failure of power supply to brake.Check brake visually for broken or damaged parts.Check for broken lead

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Dings-dynamics-group 70 Series Hazardous Location Bedienungsanleitung

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