Kobelt 3329 Owner'S Operation, Installation & Maintenance Manual Download Page 6 | Manualshive

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3329 Manual

KOBELT MANUFACTURING CO. LTD

Rev A

MNL-3329.docx

5

2

P

RODUCT

D

ESCRIPTION

2.1

O

VERVIEW

The Kobelt 3329 relay valve permits proportional control of air applied brakes. The pressure output is
directly regulated by the pilot pressure.

These units are available in three versions: remotely piloted, electro-proportional control and electro-
proportional with safety bypass functionality.

Figure 1: Valve Nomenclature

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Summary of Contents for 3329

Page 1: ...3329 Relay Valve Owner s Operation Installation Maintenance Manual ...

Page 2: ...3329 Manual KOBELT MANUFACTURING CO LTD Rev A MNL 3329 docx 1 NOTES RECORD DATA BEFORE INSTALLATION FOR FUTURE REFERENCE Model Serial Date of Purchase Date of Installation ...

Page 3: ...ing Principle 6 2 3 Technical Data 7 2 4 Model Code Key 7 2 5 Schematic Symbol 7 3 Installation 8 3 1 Mechanical 8 3 2 Piping 8 3 3 Electrical Connections 9 3 4 Brake System Plan 10 4 Commissioning 11 4 1 Adjustment 11 4 2 Functional Test 11 5 Maintenance 11 5 1 Preventative Maintenance 11 5 2 Bypass Override 11 5 3 Seal Service 12 5 4 Recommended Spare Parts and Kits 12 6 Warranty 13 7 Appendix A...

Page 4: ...his manual the following symbols and their accompanying explanation are used to alert the user to special instructions concerning a service or operation that may be hazardous if performed incorrectly or carelessly The associated risk levels are stated below This symbol indicates an imminently hazardous situation which if not avoided will result in death or serious injury This symbol indicates a po...

Page 5: ...ifications necessary for their occupation Observe all specifications in this manual If these guidelines are not followed and damage occurs the warranty will be voided 1 2 3 Product Hazards Equipment Starts Automatically The connected brakes may activate suddenly while servicing this product causing bodily harm Ensure that all power sources are locked out prior to performing work High Pressure Flui...

Page 6: ... 3329 relay valve permits proportional control of air applied brakes The pressure output is directly regulated by the pilot pressure These units are available in three versions remotely piloted electro proportional control and electro proportional with safety bypass functionality Figure 1 Valve Nomenclature ...

Page 7: ...l moves downward and opens the inlet poppet thus allowing air to flow to the OUT port see Fig 2 Air pressure goes to the OUT port and via an orifice also to the pilot chamber The air accumulating on the underside of the diaphragm until such a point that the pressures on both sides of the diaphragm are equal and the spool moves back to its neutral position and the inlet poppet closes again This wil...

Page 8: ...t pressure 5 psi 3 bar Pressure output 0 100 psi 0 6 9 bar Hysteresis 2 psi 14 bar Port sizes 3 4 NPT Ambient temperature 40 F 140 F 40 C 60 C Weight 9 4 lbs 4 3 kg 2 4 MODEL CODE KEY The 3329 relay valve can be configured to have various features Below is a key defining the letter code options 2 5 SCHEMATIC SYMBOL 3329 3329 E 3329 EP ...

Page 9: ...ce Appendix A Installation Dimensions at the back of this manual 3 2 PIPING To make the proper piping connections at the control valve refer to the diagram below The 3329 EP relay valve is equipped with a 1 8 NPT emergency bypass port Ensure that 100 psi regulated air is supplied to this port for lifting applications If the electro proportional valve fails this supply pressure will override and se...

Page 10: ...tion to the actuators Welded carbon steel piping must be pickled to remove the scale produced by welding Kobelt 3329 relay valves are equipped with U cups and O rings and therefore require lubrication in order to provide long service life Unlubricated seals will have excessive friction and wear The oil that is required for the lubricator should be a hydraulic type with a viscosity grade of 10 to 3...

Page 11: ...KOBELT MANUFACTURING CO LTD Rev A MNL 3329 docx 10 3 4 BRAKE SYSTEM PLAN Below is a piping diagram depicting how to utilize the Kobelt 3329 E relay valve in a hoist braking system Figure 4 3329 E System Arrangement ...

Page 12: ...5 MAINTENANCE 5 1 PREVENTATIVE MAINTENANCE Quarterly 4 times per year o Inspect unit for air leaks Bi annually once every two years o Lubricate seals 5 2 BYPASS OVERRIDE The 3329 EP version with emergency bypass functionality is provided with a manual override switch as shown in figure 5 This switch can be used to manually set the valve to the electro proportional pilot source in the event that th...

Page 13: ...redict necessary spare parts and ensure they are on hand when needed As a minimum Kobelt recommends keeping the following parts for each unit in service 1 One 3329 RK repair kit 2 One solenoid for 7048 0019 valve 3 One solenoid for 7048 0020 valve Refer to the parts list drawings in Appendix B for a complete list of parts When purchasing spare parts refer to Appendix B Parts List at the back of th...

Page 14: ...ion of a potential issue or defect with a Kobelt Product or Part the Warranty Applicant Applicant must immediately contact Kobelt and describe the issue in writing by letter fax email or other electronic conveyance Kobelt will then assess the cause of the defect and determine warranty applicability and appropriate remediation If any part is found to be defective Kobelt will replace said part FOB t...

Page 15: ...3329 Manual KOBELT MANUFACTURING CO LTD Rev A MNL 3329 docx 14 7 APPENDIX A INSTALLATION DIMENSIONS Figure 7 3329 EP Installation Dimensions ...

Page 16: ...3329 Manual KOBELT MANUFACTURING CO LTD Rev A MNL 3329 docx 15 3329 E Figure 8 3329 E Installation Dimensions ...

Page 17: ...3329 Manual KOBELT MANUFACTURING CO LTD Rev A MNL 3329 docx 16 8 APPENDIX B PARTS LIST 3329 ...

Page 18: ...STEM 3329 RELAY VALVE 7 1 3329 0007 VALVE SEAT 8 1 3329 0008 VALVE POPPET 3329 RELAY VALVE 9 1 3329 0009 SEAL RETAINER 3329 10 8 1001 1012 SCREW HEX HD 1 4 20 X 3 4 UNC 18 8 SS 11 4 1002 1008 CAP SCREW SKT HD 1 4 UNC X 1 2 LG 18 8 12 4 1010 0808 SCREW RND HD PHIL 10 24 X 1 2 18 8 SS 13 1 1022 0264 NUT JAM 1 2 20 14 4 1023 0216 FLAT WASHER 1 4 TYPE B NARROW 18 8 SS 15 4 1023 0410 HIGH COLLAR LOCK W...

Page 19: ...3329 Manual KOBELT MANUFACTURING CO LTD Rev A MNL 3329 docx 18 3329 EP ...

Page 20: ... 1002 1008 CAP SCREW SKT HD 1 4 UNC X 1 2 LG 18 8 11 4 1010 0808 SCREW RND HD PHIL 10 24 X 1 2 18 8 SS 12 1 1022 0264 NUT JAM 1 2 20 13 1 1201 0108 SPRING COMPRESSION 8125 X 0625 X 1 00 14 4 1023 0216 FLAT WASHER 1 4 TYPE B NARROW 18 8 SS 15 1 6011 0013 PRESSURE TRANSMITTER 10 BAR 0 5 4 5V 1 4 NPT M12 16 1 1061 0001 SINTERED BREATHER 1 8 NPT 17 1 7039 7105 ADAPTER ELBOW 90 1 8 MPT X 1 4 TUBE PTC 1...

Page 21: ...OLENOID VALVE PNEUMATIC 2 3 WAY NC 30 MM CNOMO 24VDC 4 1 7036 0022 CARTRIDGE VALVE PNEUMATIC 2 3 NC 25 ORIFICE 5 1 3329 0111 GASKET BY PASS MANIFOLD 6 1 3329 0112 COVER 3329 CARTRIDGE VALVE 7 4 1012 3410 SCREW PAN HD PHIL M4 0 7 X 10mm A4 8 1 3329 0113 GASKET SPOOL VALVE COVER 9 1 7039 7105 ADAPTER ELBOW 90 1 8 MPT X 1 4 TUBE PTC 10 3 1002 6004 CAP SCREW SKT HD M4X 07X30 A2 70 11 1 7049 0023 CHECK...

Page 22: ... MANUFACTURING CO LTD Rev A MNL 3329 docx 21 Kobelt Manufacturing Co Ltd 8238 129th Street Surrey British Columbia Canada V3W 0A6 Sales Tel 1 604 572 3935 Fax 1 604 590 8313 Email sales kobelt com Website www kobelt com ...

Page 23: ...3329 Manual KOBELT MANUFACTURING CO LTD Rev A MNL 3329 docx 22 Made in Canada Printed in Canada Heiko Epkens Digitally signed by Heiko Epkens Date 2022 07 21 16 54 43 07 00 ...

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