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Kobelt Manufacturing Co. Ltd. 

2588 

Driller’s Valve

 

 
Owner’s Operation, Installation &  
Maintenance Manual 

Summary of Contents for 2588

Page 1: ...Kobelt Manufacturing Co Ltd 2588 Driller s Valve Owner s Operation Installation Maintenance Manual ...

Page 2: ...2588 Driller s Valve Kobelt Manufacturing Co Ltd Rev A mnl_2588 docx 2 of 20 NOTES RECORD DATA BEFORE INSTALLATION FOR FUTURE REFERENCE Model Serial Date of Purchase Date of Installation ...

Page 3: ...ng Principle 7 2 3 Technical Data 8 2 4 Model Code Key 8 2 5 Schematic Symbol 8 3 Installation 9 3 1 Mechanical 9 3 2 Valve Connections 9 3 3 Piping 10 3 4 Brake System Plan 11 4 Commissioning 12 4 1 Adjustment 12 4 2 Functional Test 12 5 Maintenance 13 5 1 Preventative Maintenance 13 5 2 Adjustment 13 5 3 Recommended Spare Parts and Kits 13 6 Warranty 14 7 Appendix A Installation Dimensions 15 8 ...

Page 4: ...ughout this 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 indica...

Page 5: ...sary 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 Pinch Points The 2588 driller s va...

Page 6: ...spring loaded valve stem Pressure output is proportional to the handle movement with the maximum output achieved when the handle is fully depressed These units are available in single and dual channel configurations as well as several different pressure ranges The dual channel option is to provide better control of two brake systems at light loads by only operating one brake for the first one thir...

Page 7: ...ressed downward see Fig 1 This downward movement will create an opening between the supply ball and the seat thus allowing air to flow to the OUT port see Fig 2 Air pressure goes to the OUT port and via the orifice to the piston chamber then compresses the reactor spring at the bottom of the valve until such a point that both supply valve ball and exhaust valve ball are seated into their respectiv...

Page 8: ...R spring 0 100 psi 0 6 9 bar Hysteresis 0 5 psi 03 bar Handle Travel 60 degrees Port sizes 1 4 NPT Ambient Temperature 40 F 140 F 40 C 60 C Weight 33 lbs 15 kg 2 4 MODEL CODE KEY The 2588 driller s valve can be configured to have various pressure springs and one or two sperate outputs Below is a key defining the letter code options 2 5 SCHEMATIC SYMBOL ...

Page 9: ...for UNC screws or bolts inserted from the front for direct mounting to the dash Ensure the unit is securely fastened preferably with an anaerobic thread locker such as Loctite 243 3 2 VALVE CONNECTIONS To make the proper piping connections at the control valve refer to the diagram below The 2588 D control valve is equipped with four 1 4 NPT pressure ports The exhaust ports do not need to be connec...

Page 10: ...5 ft 1981 mm All piping must be cleaned prior to connection to the actuators Welded carbon steel piping must be pickled to remove the scale produced by welding Kobelt 2588 control 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 sho...

Page 11: ... to plumb through a Barksdale 9001 M G D diverter valve to alternate the braking between the two discs at light loads The diverter valve must have an open center position spool Failure to share the braking duty between the two discs may result in overheating a disc and causing permanent damage to it Loss of braking Failure to use an open center diverter valve may result in a sudden loss of braking...

Page 12: ...e until it has been tested The Functional Test should be carried out while the vessel is still at dock After installation test the control valve and verify that it operates the brakes over the full pressure range Cycle the pressure to maximum and back to zero Verify that the pressure to the brakes follows the handle command gradually without jumps or delays With the dual channel version test the d...

Page 13: ...5 16 in wrench 3 8 in wrench With the handle in the maximum down position adjust the screw out until it contacts the cam 5 3 RECOMMENDED SPARE PARTS AND KITS The spare parts kept on hand will depend on the severity of the service The User should monitor the condition of their control head to predict necessary spare parts and ensure they are on hand when needed As a minimum Kobelt recommends keepin...

Page 14: ...ntification 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 pa...

Page 15: ...2588 Driller s Valve Kobelt Manufacturing Co Ltd Rev A mnl_2588 docx 15 of 20 7 APPENDIX A INSTALLATION DIMENSIONS Figure 6 2588 Installation Dimensions ...

Page 16: ...2588 Driller s Valve Kobelt Manufacturing Co Ltd Rev A mnl_2588 docx 16 of 20 8 APPENDIX B PARTS LIST ...

Page 17: ...2588 Driller s Valve Kobelt Manufacturing Co Ltd Rev A mnl_2588 docx 17 of 20 2588 1000 Sub Assembly ...

Page 18: ...2588 Driller s Valve Kobelt Manufacturing Co Ltd Rev A mnl_2588 docx 18 of 20 3230 D Compensating Valve ...

Page 19: ...cale may not be exactly 1 1 due to PDF and printer scaling Verify primary dimension with a ruler after printing and before using to cut Reference Appendix A Installation Dimensions for the cut out dimensions Figure 6 Installation Cut out Template Heiko Epkens Digitally signed by Heiko Epkens Date 2020 05 08 16 38 12 07 00 ...

Page 20: ...elt 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 Made in Canada Printed in Canada ...

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