RINGSPANN HW 075 FHM User manual

Schaberweg 30-38
Telephone [phone]
Telefax [phone]
www.ringspann.com
[email protected]
61348 Bad Homburg
Germany
Installation and Operating Instructions for
Brake Caliper HW 075 FHM
E09.742e

Installation and Operating Instructions
for Brake Caliper HW 075 FHM
spring activated –hydraulic released
E 09.742e
Date: 16.11.2023
Issue: 7
drawn: BAHS
checked: EISF
Pages: 23
Page: 2
IMPORTANT
Please read these instructions carefully before installing and operating the product. Your particular
attention is drawn to the notes on safety.
These installation and operating instructions are valid on condition that the product meets the
selection criteria for its proper use. Selection and design of the product is not the subject of these
installation and operating instructions.
Disregarding or misinterpreting this installation and operating instructions invalidates any product
liability or warranty by RINGSPANN; the same applies if the product is taken apart or changed.
These installation and operating instructions should be kept in a safe place and should accompany
the product if it is passed on to others –either on its own or as part of a machine –to make it
accessible to the user.
Safety Notice
•Installation and operation of this product should only be carried out by skilled personnel.
•Repairs may only be carried out by the manufacturer or accredited RINGSPANN agents.
•If a malfunction is indicated, the product or the machine into which it is installed, should be
stopped immediately and either RINGSPANN or an accredited RINGSPANN agent should be
informed.
•Switch off the power supply before commencing work on electrical components.
•Rotating machine elements must be protected by the purchaser to prevent accidental contact.
•Supplies abroad are subject to the safety laws prevailing in those countries.
This is a translation of the German original version!
In case of inconsistencies between the German and English version of this
installation and operating instruction, the German version shall prevail.

Installation and Operating Instructions
for Brake Caliper HW 075 FHM
spring activated –hydraulic released
E 09.742e
Date: 16.11.2023
Issue: 7
drawn: BAHS
checked: EISF
Pages: 23
Page: 3
Contents
1. General notes 4
General safety instructions 4
Special safety instructions 4
2. Design and function/ parts list 4
Function 4
Markings 4
Drawings and Parts Lists 5
3. Intended use 8
4. Impermissible use 8
5. Condition as delivered 8
6. Handling and storage 9
7. Technical prerequisite for reliable operation 9
8. Installation the RINGSPANN brake 10
General instructions for assembly and installation 10
Assembly and installation 10
Setting/ adjusting the brake pad gap 12
Installing the threaded connection and bleeding the brake 12
Connecting the signal cable (optional for organic brake pads) 15
9. Start-up 16
10. Disassembling the brake 16
11. Maintenance 17
General maintenance 17
Permissible brake pad wear and replacement of the brake pads 17
Replacing seals, strippers and piston gaskets 19
12. Options 21
Inductive proximity switch installing and connecting 21

Installation and Operating Instructions
for Brake Caliper HW 075 FHM
spring activated –hydraulic released
E 09.742e
Date: 16.11.2023
Issue: 7
drawn: BAHS
checked: EISF
Pages: 23
Page: 4
1. General notes
General safety instructions
Please read theses installation and operating instructions carefully before installing and operating
the brake. Please refer to the drawings in the various sections.
Safety must be given the highest priority during all work performed on the brake.
Switch off the drive unit before performing work on the brake.
Rotating components (e.g. brake disc) must be secured by the operator to prevent accidental
contact.
Special safety instructions
Life-threatening danger!
When assembling, operating and maintaining the brake it is to be ensured
that the entire drive train is secured against being switched on
unintentionally. Moving parts can cause severe injury. Rotating parts (e.g.
brake disc) must be secured by the operator against unintentional
touching.
2. Design and function/ parts list
Function
The brake is a machine element with which accelerated masses can be safely slowed down. In
combination with a brake disc, you have a complete brake for the effective safeguarding of
machines and systems. Thanks to its universal design, it fulfils the following functions:
•As a holding brake, it prevents a stationary shaft from starting unintentionally.
•As a stopping brake, it brings a rotating shaft to a halt.
•As a control brake, it maintains a particular tensile force within the material.
The braking force is produced by springs and the brake is opened by means of oil pressure.
If there is pad wear on the friction blocks, the holding or braking torque will decrease since the
pre-load of the springs in the springed thruster will have gone down. Brake torque readjustment is
necessary in the event of pad wear.
Markings
These operating instructions apply:
•model brake saddle HW 075 FHM
•installation on horizontal brake discs and vertical brake discs in combination with horizontal
shafts

Installation and Operating Instructions
for Brake Caliper HW 075 FHM
spring activated –hydraulic released
E 09.742e
Date: 16.11.2023
Issue: 7
drawn: BAHS
checked: EISF
Pages: 23
Page: 5
•for models with and without switches
•for different brake pad material and for brake pads with signal cables.
•Mounting the brake on different brackets
There is a type plate on the brake with a 16-digit article number. The exact design of the brake is
defined by this article number only.
As well as these instructions, please also consider the catalogue data for the brake at
www.ringspann.com and the drawings in the individual sections.
Drawings and Parts Lists
Fig. 2.1

Installation and Operating Instructions
for Brake Caliper HW 075 FHM
spring activated –hydraulic released
E 09.742e
Date: 16.11.2023
Issue: 7
drawn: BAHS
checked: EISF
Pages: 23
Page: 6
Fig. 2.2

Installation and Operating Instructions
for Brake Caliper HW 075 FHM
spring activated –hydraulic released
E 09.742e
Date: 16.11.2023
Issue: 7
drawn: BAHS
checked: EISF
Pages: 23
Page: 7
Part
Nomenclature
Quantity
1
Set Brake pad HW(S)
1
2
Brake caliper housing for H 075 FHM
2
3
Cylinder screw M8x10 DIN EN ISO 4762-8.8
8
4
Hexagon head screw M18x1,5x60 DIN EN ISO 8676-10.9
2
5
Washer A 18 GN 6339-18,5-34-5BT
2
6
Spring retainer for HW 075 FHM
2
7
Guide rod for HW 075 FHM
2
8
Beleville spring A71 DIN 2093 to Aus. max.
84
9
O-ring 126,37 x 6,99
2
10
Turcon Glyd Ring T RT0301300–T46 N
2
11
Turcon-Stepseal 2K RSK300900–T46 N
2
12
Turcon-Excluder 2 WE3200750-T46V
2
13
Supporting disc S 56x72x3 to Aus. Max.
14
14
Piston for HW 075 FHM
2
15
Cylinder screw M10x70 DIN EN ISO 4762-A2-70
8
16
Pressure spring RDF - 2199
8
17
Holding plate
4
18
Hexagonal screw M12x50 DIN EN ISO 4014-10.9
8
19
Washer B13 DIN EN ISO 7089-ST galvanized
8
20
Stopper plug R ¼“ KASTO GPN 700
6

Installation and Operating Instructions
for Brake Caliper HW 075 FHM
spring activated –hydraulic released
E 09.742e
Date: 16.11.2023
Issue: 7
drawn: BAHS
checked: EISF
Pages: 23
Page: 8
3. Intended use
The standard brake caliper may be used only in systems with a maximum hydraulic pressure of
140 bar and in accordance with the technical data.
The brake has been designed for use as a holding, control and stopping brake.
Use for any other purpose will be deemed improper. Other uses are improper and incompatible
with the specified purpose. RINGSPANN assumes no liability for damages resulting from improper
use. The risk is assumed by the user alone.
4. Impermissible use
Operating the brake caliper under higher pressure than that specified in the technical data or with
other media is prohibited. Unauthorized constructive modifications of the brake caliper are
similarly prohibited. RINGSPANN assumes no liability for damages resulting from improper use.
The risk is assumed by the user alone.
5. Condition as delivered
The brake caliper is tested prior to delivery. The brake calliper is delivered ready to install. The
brake cylinder is fixed in the open position by 2 screws M18x1.5x60 assembly locking screw item
4. The delivered consignment consists of 2 brake caliper halves and 1 set of brake pads.
Sensors are supplied separately if ordered as an option.
Fig. 5.1
Please note!
The locking screw M18x1,5x60 item. 4 can be easily removed and mounted if
the brake is pressurized with hydraulic pressure before mounting or removing
the locking screw.
assembly locking screw
M18x1,5x60 item 4

Installation and Operating Instructions
for Brake Caliper HW 075 FHM
spring activated –hydraulic released
E 09.742e
Date: 16.11.2023
Issue: 7
drawn: BAHS
checked: EISF
Pages: 23
Page: 9
6. Handling and storage
The technical data of the brake such as oil pressure, clamping force, oil volume, dimensions and
weight are shown on the catalogue pages for the brake. The current data can also be found on
the RINGSPANN website www.RINGSPANN.de.
For the transport and handling are on the casting a thread bore M 10x30 deep.
The brake is delivered in preserved condition and can be stored for 12 months in an enclosed
and dry place. It is to be made sure that no condensation develops. Damp storage rooms are not
suitable. If storing the brake for a period longer than 12 months, as well as after any transport, the
brake must be activated once in order to prevent the seals from getting stuck down.
Fig. 6.1
7. Technical prerequisite for reliable operation
Fastening the brake to stable and low-vibration machine parts will ensure quiet braking without
creaking.

Installation and Operating Instructions
for Brake Caliper HW 075 FHM
spring activated –hydraulic released
E 09.742e
Date: 16.11.2023
Issue: 7
drawn: BAHS
checked: EISF
Pages: 23
Page: 10
8. Installation the RINGSPANN brake
General instructions for assembly and installation
Before installing the brake, the brake disc must be cleaned with alcohol (e.g. spirit (ethanol) or
isopropyl alcohol) or with water-based tenside solutions (soapy water or the like.
If cleaning the brake disc with a diluent, acetone or brake cleaning agent, it must be ensured that
these agents and no residues of these agents come into direct contact with the friction pads. This
must be ensured for pure holding brakes in particular, since no dynamic braking takes place that
would remove any diluent residues from the brake disc.
Caution!
Residues from oil and anti-rust agent considerably reduce the coefficient of
friction and therefore also the braking and holding torque!
Assembly and installation
Caution!
The brake caliper must not be exposed to hydraulic pressure during assembly/
installation. If hydraulic pressure escapes during assembly, the brake can
suddenly close!
The standard brake calliper is fastened to the machine part with 4 srews M24-10.9 tightening
torque 1017 Nm. Tightening torque calculated with μG = 0.12 as the average coefficient of
friction in the thread and μK = 0.12 as the coefficient of friction in the head support according to
VDI 2230 Page 1 of Feb. 2003.
(The screws are not included in the delivery).
The thickness of the customer’s connection plate between the two halves of the brake caliper
must correspond exactly to the thickness of the brake disc + 3 mm. This provides for a distance
of 1.5 mm between the brake disc and the brake pad on each side.
In order to ensure sufficient space for brake pad changes, a gap of at least 260 mm should be left
on one side, so that the brake pads can be removed and installed easily.
Before assembly it is to be checked whether the the customer connection part is even and the
concentricity between the brake disc and mounting surface is within a tolerance of 0.3 mm.
Examine the axial movement of the brake disc. The axial movement must not be greater than ±
0.3 mm.
The maximum permissible axial run-out of the brake disc is 0.1 mm; a greater axial run-out can
lead to the brake unit rattling and shaking.