Tuthill KINNEY KD Series Operator's Manual
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Tuthill KINNEY KD Series Operator's Manual

Rotary piston vacuum pump
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WARNING: Do Not Operate Before Reading Manual
KD Series
OPERATOR'S MANUAL
Models
KD-30
KD-50
All rights reserved. Product information and specifi cations subject to change.
Tuthill Vacuum & Blower Systems
Copyright © 2016 Tuthill Vacuum & Blower Systems
tuthillvacuumblower.com
KINNEY
®
Rotary Piston Vacuum Pump
Manual 1808 022016 ENG
800.825.6937

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  • Page 1 WARNING: Do Not Operate Before Reading Manual KD Series OPERATOR’S MANUAL Models KD-30 KD-50 Copyright © 2016 Tuthill Vacuum & Blower Systems All rights reserved. Product information and specifi cations subject to change. Tuthill Vacuum & Blower Systems tuthillvacuumblower.com 800.825.6937...
  • Page 2 No part of this publication may be reproduced or used in any form by any means – graphic, electronic or mechanical, including photocopying, recording, taping or information storage and retrieval systems – without the written permission of Tuthill Vacuum & Blower Systems. Copyright © 2016 Tuthill Vacuum & Blower Systems...

  • Page 3: Table Of Contents

    Table of C ontents Introduction .................. 1 Applicable Documentation ..............1 Scope of Manual ................... 1 Conventions, Safety and Data Plate ........... 2 Graphic Conventions Used in this Manual ..........2 Safety Instruction Tags ................2 Safety Precautions for Rotary Piston Pumps ......... 3 Data Plate ....................
  • Page 4 Table of C ontents Pre-Start Checks ................. 12 Starting ....................12 Stopping ....................13 Gas Ballast ..................13 Maintenance ................14 General ....................14 Changing Oil ..................14 V-Belts ....................14 Gear Drive Units .................. 14 Draining and Refi lling Oil ..............14 Bearing Lubrication ................

  • Page 5: Introduction

    KD-30 and KD-50. Be thoroughly familiar with these instructions before attempting to install, • EN 1012-1:1996 - Compressors and vacuum operate, or repair this unit. Consult Tuthill Vacuum pumps - Safety Requirements - Part 2: Vacuum & Blower Systems when problems arise that Pumps cannot be resolved after reading this manual.

  • Page 6: Conventions, Safety And Data Plate

    CONVENTIONS, SAFETY AND DATA PLATE GRAPHIC CONVENTIONS USED IN OTE: Indicates a procedure, practice, or condition that should be followed in THIS MANUAL order for the equipment to function in the manner intended. The following hazard levels are referenced within this manual: SAFETY INSTRUCTION TAGS DANGER...

  • Page 7: Safety Precautions For Rotary Piston Pumps

    Conventions, Safety and Data Plate SAFETY PRECAUTIONS FOR • Accidental starting or operation of the pump while maintenance is in progress may cause ROTARY PISTON PUMPS injury or damage. • Lift only with the lifting eyebolts supplied with Please read the following safety information before the pump.

  • Page 8: Data Plate

    This manual describes instructions and precautions CAUTION to be observed in the handling and maintenance of Tuthill Vacuum & Blower Systems Kinney Hearing protection is required KD Rotary Piston Vacuum Pumps. It is strongly while the pump is in operation.

  • Page 9: Lifting

    LIFTING WARNING The vacuum pump must be handled using an appropriate device such as a fork truck Table 4-2 or appropriate lifting device. See on page 7 for approximate weights. Care should be taken to assure pump does not overturn during handling and installation. Operator’s Manual 1808 022016 ENG...

  • Page 10: Description

    DESCRIPTION GENERAL PUMP COMPONENTS The v i sual difference between the two pumps is All components are easily serv i ced and no special in the oil separators. Internally, the pistons, cams, tools are required. The reliable, leak-free shaft seal and slide pins of the K D-5 0 are treated to be able requires no adjustment or maintenance.
  • Page 11 Descrip t ion KD-3 0 KD-5 0 Free Air Displacement 33 CFM (5 6 m 5 2 CFM (88 m Inlet Connection (NPT) 1-1/2 in. (38 mm) 1-1/2 in. (38 mm) Discharge Connection (NPT) 1-1/4 in. (32 mm) 1-1/4 in. (32 mm) Pump Speed (RPM) 5 7 1 Motor Speed (RPM)

  • Page 12: Operating Cycle

    Descrip t ion SEALING AND LUBRICATING Each rotary piston is composed of a cylindrical element that encloses the shaft and a hollow rectangular extension that mov e s through a slide The oil fl ows through the pump by means of pin.

  • Page 13: Installation

    INSTALLATION GENERAL Select a pump site with enough room for pump maintenance and serv i ce. Secure the pump to a lev e l, rigid, support. Spring v i bramounts can be used if suffi ciently fl e ible connectors are used in the manifolding.

  • Page 14: Direct Drive

    fl e ible connectors are recommended and are av ailable from Tuthill V acuum & B lower. Use a connector be fl e ible enough to prevent vibration transmission and yet rigid enough to prevent collapsing under high v a cuum.

  • Page 15: Vacuum Gauges

    Loctite to any electric component of the unit. 5 67 is av ailable from Tuthill V acuum & B lower as a compound for thread siz es up to 1 in. (2.5 cm) in...

  • Page 16: Operation

    OPERATION PRE-START CHECKS WARNING Performed the following pre-start checks if The belt guard must be properly secured maximum pumping conditions are required. to the pump at all times while the pump is running. 1. Check that the suction lines are tight and When operating the pump in an enclosed absolutely free of all foreign matter.

  • Page 17: Stopping

    Operation The oil level will change with the pumping In addition to preventing vapor condensation, pressure. When the pump is fi rst started, the oil will the use of gas ballast also reduces discharge rise. As the inlet pressure is reduced, the oil level valve noise to a low level.

  • Page 18: Maintenance

    MAINTENANCE GENERAL V- BELTS heck the oil level daily for the fi rst week of To change the -belt, loosen the motor mounting operation and weekly thereafter. The oil level screws and slide the motor toward the pump until should be about midway on the sight gauge when the old belt can easily be slipped from the pulleys.

  • Page 19: Bearing Lubrication

    Maintenance OIL SEPARATOR Oil Plugs / V entilator . Prior to removing plugs, ensure that the pump All D- and D- blowers built since October has cooled suffi ciently so that oil will not burn. are fi tted with oil mist eliminators in the oil separator.
  • Page 20 Maintenance Figure 7-1 – Return Line One of the following two areas can be selected for the oil to return to the pump when operating above Torr f the pump operating range is between • Torr, the returning oil should enter the pump through the gas ballast valve, in which case the valve must be left open.

  • Page 21: Disassembly / Assembly

    DISASSEMBLY / ASSEMBLY DISASSEMBLY 10. Remove the closed head, piston, slide pin, and cam. Remove the cam by tapping the shaft with a soft-faced hammer until the cam is free Disassemble the pump only to the extent from the shaft. Disassemble only if cam and necessary to repair it.
  • Page 22 Disassembly / Assembly 4. Position the closed head piston with the inlet 10. Install the discharge valves and replace the ports of the piston slide facing away from the cylinder cover and gasket. discharge valve side of the pump. Place the 11.

  • Page 23: Troubleshooting

    TROUBLESHOOTING STARTING TROUBLES OR CHECKING PUMP PERFORMANCE STALLING If the processing time increases or the ultimate pressure becomes poor with no recent changes Pump starting troubles or stalling may be due in the process or in system confi guration, test the to loose or broken belts, lack of lubrication, pump to determine if the trouble is in the pump obstruction inside the pump, temperature too low,...

  • Page 24: Pump Leaks

    2. Detect large leaks by pressuri ing the pump or any penetration into the pumping area. Loctite is available from Tuthill acuum lower to and painting with a soap solution. ubbles will permanently seal the leaks once they have been indicate leaks.

  • Page 25: Oil Contamination

    Troubleshooting OIL CONTAMINATION DISCHARGE VALVES When the pressure has been satisfactory for When the cause of poor pump performance is some time and then the pressure gradually not due to leaks or oil contamination, inspect increases, this indicates oil contamination. When the discharge valves.

  • Page 26: Shaft Seal

    Troubleshooting When the pump is operating without gas ballast, Under normal conditions, the shaft seal shown a sharp clicking noise generally indicates proper in Figure 9 -2 on page 22 has a long, trouble- valve closing. To gain access to the valves, drain free life.
  • Page 27 Troubleshooting SYMPTOM PROBABLE CAUSE REMEDIES System ultimate pressure System contaminated Clean equipment with acetone, alcohol, or ether. e cessively high by volatile material Pump down using full gas ballast overnight. Oil is contaminated Process equipment leaks, vacuum pump Check leaks. leaks Oil fl...
  • Page 28 Troubleshooting SYMPTOM PROBABLE CAUSE REMEDIES Output shaft does not Drive between shafts rotate, even though the interrupted in the gear Return the gear unit/geared motor for repair. motor is running or the unit input shaft is rotating A meshing or grinding sound: damage to bearings Unusual, regular running...

  • Page 29: Replacement Parts

    REPLACEMENT PARTS GENERAL The graphics on the following pages and their parts lists cov e r all parts in the K D-30 and K D-5 0 pumps, any of which are av a ilable as spare parts. Always include the model and serial number of the pump when ordering parts.

  • Page 30: Kd-30A /50B Exploded View Drawing (Manufactured After 9/23/2016)

    Rep l acem ent Parts KD- 3 0 A/50B EX PLODED VIEW DRAW ING (Manufacture date after 9/23/2016) Operator’s Manual 1808 022016 ENG...

  • Page 31: Kd-30A/50B Parts List (Manufactured After 9/23/2016)

    Rep l acem ent Parts KD- 30A/5 0 B PARTS LIST (Manufacture date after 9/23/2016) ITEM ITEM DESCRIPTION Q TY DESCRIPTION Q TY Gas B allast V alv e Cylinder Drain Cock, Oil, 1/4 NPT Head, Open & Closed End Discharge Separator Tank Housing, Shaft Seal &...
  • Page 32 Rep l acem ent Parts KD- 3 0 A EX PLODED VIEW DRAW ING (Manufacture date before 9/23/2016) Operator’s Manual 1808 022016 ENG...
  • Page 33 Rep l acem ent Parts KD- 3 0 A PARTS LIST (Manufacture date before 9/23/2016) ITEM ITEM DESCRIPTION Q TY DESCRIPTION Q TY Gas B allast V alv e Cylinder Drain Cock, Oil, 1/4 NPT Head, Open & Closed End Drain Cock, Oil, 3/8 NPT Housing, Shaft Seal &...
  • Page 34 Rep l acem ent Parts KD- 5 0 B EX PLODED VIEW DRAW ING (Manufacture date before 9/23/2016) Operator’s Manual 1808 022016 ENG...
  • Page 35 Rep l acem ent Parts KD- 5 0 B PARTS LIST (Manufacture date before 9/23/2016) ITEM ITEM DESCRIPTION Q TY DESCRIPTION Q TY Gas B allast V alv e Cylinder Drain Cock, Oil, 1/4 NPT Head, Open & Closed End Discharge Separator Tank Housing, Shaft Seal &...

  • Page 36: Declaration Of Incorporation

    The scope of the Declaration of Incorporation is for K D Series Rotary Piston V acuum Pumps Models K D-30, K D-5 0 Dav i d Schardt V ice President of Engineering, Tuthill V acuum & B lower Systems Tuthill V acuum & B lower Systems 4840 West K earney Street P.O.

  • Page 37: Warranty - Vacuum Products

    WARRANTY – VACUUM PRODUCTS Subject to the terms and conditions hereinafter set forth and set forth in General Terms of Sale, Tuthill V acuum & B lower Systems (the Seller) warrants products and parts of its manufacture, when shipped, and its work (including installation and start-up) when performed, will be of good quality and will be free from defects in material and workmanship.

  • Page 38: Operating Data Form / Product Registration

    NOTES: IMPORTANT All blowers manufactured by Tuthill V acuum & B lower Systems are date-coded at time of shipment. In order to assure you of the full benefits of the product warranty, please complete, tear out and return the product...
  • Page 40 TUTHILL CORPORATION 4840 West Kearney Street Springfi eld, Missouri USA 65803-8702 O 417.865.8715 800.825.6937 F 417.865.2950 Manual 1808 022016 ENG tuthillvacuumblower.com Copyright © 2016 Tuthill Vacuum & Blower Systems All rights reserved. Product information and specifi cations subject to change.

This manual is also suitable for:

Kinney kd-30Kinney kd-50

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