Tuthill KINNEY KD Series Manual
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Tuthill KINNEY KD Series 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 specifications subject to change.
Tuthill Vacuum & Blower Systems
Copyright © 2019 Tuthill Vacuum & Blower Systems
tuthillvacuumblower.com
KINNEY
®
Rotary Piston Vacuum Pump
Manual 1808 Rev B p/n 001808 0000
800.825.6937

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Summary of Contents for Tuthill KINNEY KD Series

  • Page 1 Manual 1808 Rev B p/n 001808 0000 WARNING: Do Not Operate Before Reading Manual KD Series OPERATOR’S MANUAL Models KD-30 KD-50 Copyright © 2019 Tuthill Vacuum & Blower Systems All rights reserved. Product information and specifications subject to change. Tuthill Vacuum & Blower Systems tuthillvacuumblower.com 800.825.6937...
  • Page 2 The employees of Tuthill Vacuum & Blower Systems thank you for your purchase! Tuthill Vacuum & Blower Systems proudly manufactures A company with heart Kinney vacuum pumps and M-D Pneumatics blowers and right from the start. ® vacuum boosters in Springfield, Missouri, USA. We bring 100+ years of engineering experience and solid, hands- on care to help customers keep their processes running.

  • Page 3: Table Of Contents

    Table of Contents 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 Contents 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 Refilling 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 NOTE: 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. Manual 1808 Rev B p/n 001808 0000...

  • Page 10: Description

    DESCRIPTION GENERAL PUMP COMPONENTS The visual difference between the two pumps is All components are easily serviced 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 KD-50 are treated to be able requires no adjustment or maintenance.
  • Page 11 Description KD-30 KD-50 Free Air Displacement 33 CFM (56 m 52 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) Motor Speed (RPM) 1,725 1,725 Motor Horsepower...

  • Page 12: Operating Cycle

    Description SEALING AND LUBRICATING Each rotary piston is composed of a cylindrical element that encloses the shaft and a hollow rectangular extension that moves through a slide The oil flows through the pump by means of pin. The piston slide pin has openings that are differential pressure between atmosphere and the covered and uncovered as it passes through the pump inlet, and it is drawn into the pump at each...

  • Page 13: Installation

    INSTALLATION GENERAL Select a pump site with enough room for pump maintenance and service. Secure the pump to a level, rigid, support. Spring vibramounts can be used if sufficiently flexible connectors are used in the manifolding. V-BELT DRIVE Figure 5-1 – V-Belt Tensioning To install the V-belts, loosen the motor mounting screws and slide the motor toward the pump.

  • Page 14: Direct Drive

    Self-supporting, bellows-type, flexible connectors are recommended and are available from Tuthill Vacuum & Blower. Use a connector be flexible enough to prevent vibration transmission and yet rigid enough to prevent collapsing under high vacuum.

  • Page 15: Vacuum Gauges

    Loctite to any electric component of the unit. 567 is available from Tuthill Vacuum & Blower as a compound for thread sizes up to 1 in. (2.5 cm) in Check the operating voltage of the motor...

  • 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 first 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 Check the oil level daily for the first week of To change the V-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 / Ventilator 1. Prior to removing plugs, ensure that the pump All KD-30 and KD-50 blowers built since October has cooled sufficiently so that oil will not burn. 1984 are fitted 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 5 Torr: • If the pump operating range is between 5 and 150 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 configuration, 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

    Loctite 2. Detect large leaks by pressurizing the pump 515 is available from Tuthill Vacuum & Blower to and painting with a soap solution. Bubbles 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. excessively high by volatile material Oil is contaminated Pump down using full gas ballast overnight. Process equipment leaks, vacuum pump Check leaks. leaks Oil flow blocked Clean oil lines.
  • 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 cover all parts in the KD-30 and KD-50 pumps, any of which are available as spare parts. Always include the model and serial number of the pump when ordering parts.

  • Page 30: Kd-30A Exploded View Drawing

    Replacement Parts KD-30A EXPLODED VIEW DRAWING Manual 1808 Rev B p/n 001808 0000...

  • Page 31: Kd-30A Parts List

    Replacement Parts KD-30A PARTS LIST ITEM ITEM DESCRIPTION DESCRIPTION Gas Ballast Valve Cylinder Drain Cock, Oil, 1/4 NPT Head, Open & Closed End Drain Cock, Oil, 3/8 NPT Housing, Shaft Seal & Street Elbow, 3/8 NPT Bearing Coupling, 3/8 NPT Cap, Closed End Oil Mist Eliminator Cover, Cylinder...

  • Page 32: Kd-50B Exploded View Drawing

    Replacement Parts KD-50B EXPLODED VIEW DRAWING Manual 1808 Rev B p/n 001808 0000...

  • Page 33: Kd-50B Parts List

    Replacement Parts KD-50B PARTS LIST ITEM ITEM DESCRIPTION DESCRIPTION Gas Ballast Valve Cylinder Drain Cock, Oil, 1/4 NPT Head, Open & Closed End Discharge Separator Tank Housing, Shaft Seal & Assy. Bearing 31A** Flange Gasket Cap, Closed End Oil Mist Eliminator Element Cover, Cylinder 31D** Check Disc, Viton...

  • Page 35: Warranty - Vacuum Products

    WARRANTY – VACUUM PRODUCTS Subject to the terms and conditions hereinafter set forth and set forth in General Terms of Sale, Tuthill Vacuum & Blower 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 36: Operating Data Form / Product Registration

    NOTES: IMPORTANT All blowers manufactured by Tuthill Vacuum & Blower 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 registration card, or register online at tuthillvacuumblower.com.
  • Page 38 TUTHILL CORPORATION 4840 West Kearney Street Springfield, Missouri USA 65803-8702 O 417.865.8715 800.825.6937 F 417.865.2950 Manual 1808 Rev B p/n 001808 0000 tuthillvacuumblower.com Copyright © 2019 Tuthill Vacuum & Blower Systems All rights reserved. Product information and specifications subject to change.

This manual is also suitable for:

Kinney kd-30Kinney kd-50

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