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Innovative Vacuum for Automation
EN
Operating and Maintenance Instructions
Dust filter STF… / STF-D…
30.30.01.00059/03 | 04.2018 www.schmalz.com
Note
These operating instructions were originally written in German and have been translated into English.
Store in a safe place for future reference.
Subject to technical changes without notice. No responsibility is taken for printing or other types of errors.
Published by
© J. Schmalz GmbH, 04.2018
This document is protected by copyright. J. Schmalz GmbH retains the rights established thereby.
Reproduction of the contents, in full or in part, is only permitted within the limits of the legal provisions of copyright law. Any modifications to or abridgments of the document are prohibited without explicit written agreement from J. Schmalz GmbH.
Contact
J. Schmalz GmbH
Johannes-Schmalz-Str. 1
72293 Glatten, Germany
Tel. +49 (0) 7443 2403-0
Fax +49 (0) 7443 2403-259 [email protected] www.schmalz.com
Contact information for Schmalz companies and trade partners worldwide can be found at
www.schmalz.com/salesnetwork www.schmalz.com
Contents
Dust filter STF… / STF-D…
www.schmalz.com
SAFETY INSTRUCTIONS
1 Safety instructions
1.1 Classification of safety instructions
Danger
This warning informs the user of a risk that will result in death or serious injury if it is not avoided.
DANGER
Type and source of danger
Consequence
► Remedial action
Warning
This warning informs the user of a risk that could result in death or serious injury if it is not avoided.
WARNING
Type and source of danger
Consequence
►
Remedial action
Caution
This warning informs the user of a risk that could result in injury if it is not avoided.
CAUTION
Type and source of danger
Consequence
► Remedial action
Attention
This warning informs the user of a risk that could result in damage to property if it is not avoided.
ATTENTION
Type and source of danger
Consequence
►
Remedial action
Important information for efficient and trouble-free use.
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SAFETY INSTRUCTIONS
1.2 Warnings
Explanation of the warning symbols used in the operating instructions.
Warning symbol
Description Warning symbol
Description
General warning symbol Flying debris
Electrical voltage Floating dust particles
1.3 Mandatory symbols
Explanation of the mandatory symbols used in the operating instructions.
Mandatory symbols
Description Mandatory symbols
Description
Wear a mask Wear eye protection
Activate prior to maintenance or repair
1.4 Regulations in these instructions
These operating and maintenance instructions are valid for Schmalz dust filters from the STF series with or without differential pressure monitors.
Designs:
Small design Large design
The operating and maintenance instructions are an integral part of the dust filter and must be available to the staff at all times for installation, maintenance and repair work.
These operating and maintenance instructions are specific to the items included in delivery from
Schmalz. They do not take into account any modifications to the dust filter made by the customer, which are strictly prohibited.
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SAFETY INSTRUCTIONS
The dust filter may only be connected and operations started once the operating instructions have been read and understood.
1.5 General safety instructions
You must adhere to the legal regulations and safety regulations applicable at the location of use.
WARNING
Ignoring the general safety guidelines
Personal injury/damage to plants or systems
► The dust filter must be operated only in its original condition as delivered. The manufacturer assumes no liability for consequences of modifications over which it has no control, in particular, replacement of original parts with parts from other sources.
1.6 Intended use
The dust filter is designed for cleaning the intake air in vacuum applications. This dust filter is intended solely for filtering mechanical components in air.
Before using for other applications, consult the manufacturer.
DANGER
Use in potentially explosive atmospheres
Risk of accidents due to explosion
►
The dust filter must not be used in areas exposed to explosion hazards.
WARNING
Transporting or sucking through liquids or bulk material
Personal injury and/or damage to property
►
This dust filter is intended solely for filtering mechanical components in air. This device must not be used to filter other media (e.g. bulk materials or liquids).
Before installation, maintenance and repair work, the operating instructions of the entire system and any switch-off procedures must be observed.
1.7 Requirements for installation and maintenance personnel
The dust filter must be installed and maintained only by qualified specialist electricians and mechanics.
“A qualified employee is defined as an employee who has received technical training and has the knowledge and experience – including knowledge of applicable regulations – necessary to enable him or her to recognize possible dangers and implement the appropriate safety measures while performing tasks. Qualified personnel must observe the pertinent industryspecific rules and regulations.”
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SAFETY INSTRUCTIONS
1.8 Installation location requirements
Operating temperature: o With differential pressure monitor: 0° C and +40° C o Without differential pressure monitor -40° C and +80° C
Make sure that no water can enter the dust filter
Ensure that no warm air can be drawn in
Ensure that the dust filter remains easily accessible (maintenance, cleaning and replacement of the filter insert)
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PRODUCT DESCRIPTION
2 Product description
2.1 Versions
Small design:
2
3
6
4
1
5
Item
Designation
1
2
3
4
5
6
Air inlet connection (suction cup)
Air outlet connection (vacuum generator)
Housing cover
Filter housing with threaded connection
Quick-release fastener
Mounting bracket
Large design:
STF…P
STF-
D…P with differential pressure monitor
Item Designation
1
2
3
4
Air inlet connection (suction cup)
Air outlet connection (vacuum generator)
Upper housing section
Lower housing section (dust collecting pan)
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PRODUCT DESCRIPTION
Item Designation
5
6
7
8
Filter insert
Bracket with locking clip
Clamp
Differential pressure monitor, adjustable
2.2 Technical data
Max. vacuum: -950 mbar
Overpressure is not permissible.
2.3 Dust filter with differential pressure monitor STFD…
The differential pressure between the dirty air and clean air sides of the dust filter can be continuously monitored using the differential pressure monitor (8.2). The differential pressure increases as the degree of filter contamination increases.
The differential pressure can be set to between 10 and 50 mbar using a hand wheel located on the differential pressure monitor. If the set differential pressure is exceeded, the differential pressure monitor switches on.
Version without indicator light:
The output signal (normally open or normally closed) can be forwarded for signal processing by the customer. This signal disappears again as the differential pressure decreases, i.e. after cleaning or replacement of the filter insert.
Version with indicator light:
The differential pressure monitor activates the indicator light when the pressure loss across the dust filter exceeds the set limit. The indicator light switches off again when the pressure loss falls below the limit value (e.g. after cleaning or replacement of the filter insert).
Technical data for differential pressure monitor:
Adjustable differential pressure 10…50 mbar
Accuracy
10%
Differential gap
Maximum operating overpressure
Electrical switching capacity
Electrical connection
Certification
5 mbar
100 mbar
250V AC / 6 A
24V DC / 1 A
AMP flat plug 6.3 mm x 0.8 mm, in accordance with
DIN 46244
VDE 0630
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INSTALLATION
3 Installation
Use only the connections, mounting holes and attachment materials that have been provided.
DANGER
Vacuum in the system
Risk of injuries
►
Switch off vacuum generators (such as blowers or pumps) before installation.
3.1 Installation position
Dust filters can be installed vertically or horizontally. If they are installed vertically, the air inlet must be at the top.
Small design:
Large design:
Incorrect installation voids the warranty for the dust filter and vacuum generator.
3.2 Mounting
Small design:
1. Secure the mounting bracket with 2 screws near the vacuum generator.
2. Secure the dust filter to the mounting bracket in one of the permitted installation positions.
3. Connect the vacuum hoses with the supplied hose clamps.
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INSTALLATION
Large design:
1. Secure bracket (6) with 2 screws near the vacuum generator.
2. Place the dust filter in the bracket (6) and turn or slide in to the desired installation position.
3. Close and lock the locking clip.
4. When mounting the unit horizontally, make sure that the "Oben/Top" marking is at the top
(+/-15° deviation permitted). If necessary, remove the lower housing section and refit it when turned.
5. Connect the vacuum hoses with the supplied hose clamps.
3.3 Connecting the differential pressure monitor
DANGER
Electric shock
Fatal injury
► Disconnect the system from the power supply before connecting or setting the differential pressure monitor.
►
Before start of operations, make sure that the electrical connections of the differential pressure monitor are covered with the protective cap (8.6).
8.5
8.3
8.4
8.2
8.1
Item Designation
8.6 8.1 Dust filter STF-D...
8.2 Differential pressure monitor
8.3 Plug-in screw union STV 1/8"-6/4
8.4 Hose
8.5 Hose
8.6 Protective cap
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INSTALLATION
3.3.1 Electrical connection
1. Guide the cable with a sheath diameter of 7 mm through the protective cap.
2. Connect cable strands with female push-on connectors according to the diagram.
3. Secure supply line (see technical data chapter 2.3).
3.3.2 Setting the differential pressure
For systems with short supply hoses or special grippers, the indicator light may briefly turn red when the load is released. Possibly increase the limit value of the differential pressure monitor by 5 to 10 mbar.
8.6 8.8
8.7
1. Make sure that the differential pressure monitor is not energized.
2. Remove the protective cap (8.6).
3. Adjust differential pressure on adjusting knob (8.7).
The scale (8.8) allows only rough adjustment. For more accurate results, use a meter.
8.9
8.6
4. Tighten the cable screw union (8.9).
5. Put the protective cap (8.6) back in place and screw tight.
IMPORTANT!
The adjustment screws for fine tuning (A and B) are set at the factory and must not be adjusted.
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MAINTENANCE
4 Maintenance
DANGER
Vacuum in the system
Risk of injuries
►
Switch off vacuum generators (such as blowers or pumps) before cleaning, maintenance and repair work.
Component Task
Filter insert
Vacuum hose
Clean and check for damage
Replace
Check for damage and leaks
Maintenance period
According to the operating instructions of the entire system.
Adjust the maintenance interval to the ambient conditions.
Small design:
Yearly
Large design:
At least once after 5 cleanings or at least once every 2 years
Monthly or after repairs have been conducted
When performing filter maintenance Plastic housing and bracket Check for damage and tears
Differential pressure monitor
(if present)
Check function, hoses and cable connections
Yearly
4.1 Removing and cleaning filter inserts
WARNING
Swirling dust particles
Damage to eyes and respiratory tract
► Wear eye protection
►
Wear respiratory protection
Small design:
2
1. Open all quick-release fasteners (5).
2. Remove the housing cover (3).
3. Remove the filter insert.
4. Blow the filter insert, never wash or brush it.
1
5
3
6
4
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MAINTENANCE
Large design:
1. Open all clamps (7).
2. Remove the filter insert (5).
3. Blow the filter insert, never wash or brush it.
Important!
Make sure that no dust can get into the inside of the filter insert during blowing.
Note:
To blow out the unit, set a pipe on a compressed-air gun that is bent at the end by approx. 90°. The pipe must be long enough to reach the bottom of the cartridge. Filter inserts must be blown from the inside out using dry compressed air (max. 5 bar) until there are no more dust formations.
4.2 Install filter element
1. Before installation, make sure that the paper bellows and the rubber seals of the filter insert are not damaged. Replace the filter insert if necessary.
2. Install filter insert.
3. Close the housing.
4.3 Spare and wearing parts
Small design:
Designation
Filter insert FILT-EINS 3 65x70 PAP STF-
3/4-IG
Filter insert FILT-EINS 3 98x70 PAP STF-
1-1/4-IGN
Filter insert FILT-EINS 128x125 PAP STF-
1-1/4-IGH
Filter insert FILT-EINS 3 150x222 PAP
STF-2-1/2-IG
Use
STF 3-4
STF 1-1-4N
STF 1-1-4H
STF 2-1-2
Part no.
10.07.01.00017
10.07.01.00018
10.07.01.00019
10.07.01.00020
Legend
W
W
W
W
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Large design:
Designation
Filter insert Jumbo
Filter insert 4.5
Filter insert 6.0
Filter insert 8.0
Filter insert 24.0
Hose clamp SSD60
Hose clamp SSD76
Hose clamp SSD125
Differential pressure monitor
S = S pare part, W = W earing part
MAINTENANCE
Use
Tube lifter Jumbo
STF … 4.5 …
STF … 6.0 …
STF … 8.0 …
STF … 24.0 …
STF … 4.5 … / STF … 6.0 …
STF … 8.0 …
STF … 24.0 …
STFD … F
Part no.
11.04.03.10086
10.07.01.00060
10.07.01.00054
10.07.01.00079
10.07.01.00083
10.07.10.00017
10.07.10.00037
10.07.10.00052
21.01.06.00011
Legend
W
W
S
S
W
W
W
S
S
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DECOMMISSIONING AND DISPOSAL
5 Decommissioning and disposal
DANGER
Electric shock / vacuum
Fatal injury
► Before disassembling, make sure that the system is free of pressure and voltage.
ATTENTION
Incorrect disposal of the dust filter
Environmental damage
►
Dust filters and filter inserts must be disposed of in accordance with national regulations.
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World of vacuum technology
Schmalz Services
Global contact
Our sales network of local field representatives, international subsidiaries and trade partners ensures quick and competent information and consultation in more than 50 countries worldwide. www.schmalz.com/salesnetwork
Online documentation
Conveniently download catalogs, operating instructions and CAD data and get comprehensive information about our products and services. www.schmalz.com/dokumentationen
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Further services ranging from consultation to training can be found at www.schmalz.com/services
30.30.01.00059/03 | 04.2018 www.schmalz.com
J. Schmalz GmbH
Johannes-Schmalz-Str. 1
72293 Glatten, Germany
Phone +49 (0)7443 2403-0
Fax +49 (0)7443 2403-259 [email protected]
www.schmalz.com
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Key Features
- Compact design for easy installation in space-constrained environments
- High-efficiency filtration for improved air quality
- Easy-to-use features for quick and easy maintenance
- Durable construction for long-lasting performance
Related manuals
Frequently Answers and Questions
What is the Schmalz STF Series dust filter used for?
What are the benefits of using the Schmalz STF Series dust filter?
How do I install the Schmalz STF Series dust filter?
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