Kärcher HAWK LEUCO TXT Series Instruction Manual
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Kärcher HAWK LEUCO TXT Series Instruction Manual

Positive displacement high pressure piston pumps
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INSTRUCTION MANUAL
Version 00021
ORIGINAL
INSTRUCTIONS
POSITIVE DISPLACEMENT HIGH PRESSURE PISTON PUMPS TXT
SERIES
LEUCO S.p.A.
Via Colletta, 20
42124 Reggio Emilia (RE) - ITALY
Tel. 0522/923011 Fax 0522/923030
This manual and associated information can be downloaded from the website:
www.hawkspumps.com
This manual is an integral part of the product and should always be made available to any persons using it

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Summary of Contents for Kärcher HAWK LEUCO TXT Series

  • Page 1 INSTRUCTION MANUAL Version 00021 ORIGINAL INSTRUCTIONS POSITIVE DISPLACEMENT HIGH PRESSURE PISTON PUMPS TXT SERIES LEUCO S.p.A. Via Colletta, 20 42124 Reggio Emilia (RE) - ITALY Tel. 0522/923011 Fax 0522/923030 This manual and associated information can be downloaded from the website: www.hawkspumps.com This manual is an integral part of the product and should always be made available to any persons using it...

  • Page 2: Table Of Contents

    Instructions Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 2 of 35 TXT Series CONTENTS GENERAL INFORMATION ............................4 Structure of the Manual 4 1.1.1 Scope and content ........................4 1.1.2 Recipients/definitions .........................4 1.1.3 Storage ............................5 1.1.4 Symbols used in the manual .......................5 Manufacturer ............................5 Service Centres ...........................5...
  • Page 3 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps TXT Series Page 3 of 35 MAINTENANCE ................................. 26 General maintenance ........................26 Removal of mechanical parts 27 Assembly of mechanical parts 28 Inspecting the bearings ........................28 Changing the bearing ........................

  • Page 4: General Information

    Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 4 of 35 TXT Series GENERAL INFORMATION Structure of the Manual This manual is an integral part of the official documents provided with the pump. It is written by the Manufacturer and provides the operating instructions and criteria to be followed for the installation, use and maintenance of the pump.

  • Page 5: Storage

    Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 5 of 35 TXT Series Training The period when the operators are given the necessary instructions to carry out any actions in a correct and risk free manner. Person at risk Any person finding themselves totally or partly in a danger zone.

  • Page 6: Ce Mark And Certification - Declaration Of Incorporation

    Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 6 of 35 TXT Series CE Mark and Certification - Declaration of Incorporation The Hawk high pressure piston pumps described in this manual are manufactured in compliance with Directive 2006/42/CE and European Community Directives that are pertinent and applicable at the time they are sold.

  • Page 7: General Description

    Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 7 of 35 TXT Series GENERAL DESCRIPTION TXT pumps are designed to operate with clean water, at a maximum temperature of 65°C. The duration of the seals will depend on the temperature of the water: the warmer the water, the more likely that deleterious cavitation phenomena - known to reduce the useful life of seal components - will occur.

  • Page 8: Main Parts

    Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 8 of 35 TXT Series Main parts MANIFOLD HOUSING PUMP BODY OIL DIP STICK CRANKSHAFT CONNECTING ROD PLUNGER (relative parts) G. OIL LEVEL INDICATOR DELIVERY LINE VALVE SUCTION LINE VALVE More details on the parts can be found in the exploded views attached to this manual (ATTACHMENT II).

  • Page 9: Technical Characteristics

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 9 of 35 TXT Series The pumping action is created by a series of plungers, connected to the drive shaft by connecting rods. During motion, the plungers slide on their axis inside the manifold housing where the suction and delivery lines are fitted with valves that allow the liquid to flow in a single direction.

  • Page 10: High Temperatures

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 10 of 35 TXT Series High temperatures Mechanical parts are lubricated to prevent them overheating as a result of prolonged friction. The lubricating oil is indicated below in this manual and takes into account the specifications of the pumps that make up the assembly.

  • Page 11: Residual Risks

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 11 of 35 TXT Series Wear appropriate personal protective equipment as specified in the manual for the work to be carried out. Make sure all the steps described in the section on maintenance are carried out regularly. The equipment must be taken out of service immediately in case of malfunction or damage that could affect its operation and safety.

  • Page 12: Personal Protective Equipment

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 12 of 35 TXT Series Personal protective equipment Failure to use the personal protective equipment specified in this section will expose the machine operators to danger. Employers are required to provide personal protective equipment to the operators using the machine referred to in this manual.

  • Page 13: Safety During Lifting And Handling

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 13 of 35 TXT Series 3.4.3 Rules of conduct regarding the use of high pressure lance Here below are some basic indications regarding the use of the pump with high pressure lance equipment. Those who operate high pressure nozzles must always put their own safety - as well as the safety of third parties likely to be affected by their actions - before any other assessment or action in respect of the situation.

  • Page 14: Safety During Maintenance

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 14 of 35 TXT Series Safety during Maintenance Follow the instructions below whenever carrying out any maintenance or repair work: Depressurise the water system and disconnect the pump from any power source before starting any maintenance or repair work.

  • Page 15: First Aid

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 15 of 35 TXT Series Other signs on the equipment The label* is attached to the plug on the top of the pump body. *the label on the plug is the same colour as the plug and so may vary depending on the model of pump.

  • Page 16: Bleeding

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 16 of 35 TXT Series Bruises, crushing: If the upper or lower extremities of a limb have been bruised and/or crushed (fingers, hands, feet, etc.), put the affected limb immediately under (cold) running water and then apply an ice pack.

  • Page 17: Installation And Assembly

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 17 of 35 TXT Series  For pharmaceuticals  In potentially explosive atmospheres (see the specific Hawk product range) The Manufacturer reserves the right to review the terms of the guarantee if the equipment is used for any other purpose than those mentioned above.

  • Page 18: Responsibilities Of The Customer/User

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 18 of 35 TXT Series Responsibilities of the Customer/User The customer/User is responsible for: Checking the condition of the pump when it is delivered. Contact LEUCO S.p.A. in case of damage or conditions that do not match the purchase order The assembler/end user is responsible for choosing the type of motor - pump coupling and for following the instructions in this document.

  • Page 19: Rotation Direction

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 19 of 35 TXT Series 5.1.2 Rotation direction The direction in which the pump shaft operates could be indifferent; it is, however, advisable that the operating rotation shown in Figure 2 be applied.

  • Page 20: Discharge Line

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 20 of 35 TXT Series 5.1.6 Discharge line The discharge line should be as described in the following rules and recommendations: • The initial section of the discharge pipe should be made via a flexible hose in order to dampen the vibrations induced by the pump.

  • Page 21: Operation

    Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps Page 21 of 35 TXT Series Operation Before each start-up, you must ensure that: • The suction line is connected and full as the pump must never run dry. •...
  • Page 22 Instructions Manual Doc. code M.I. GXT-18 High pressure piston pumps Rev. 1 Page 22 of 35 GXT – GXT HT – GPX SERIES NOZZLE TABLE: the table below is an example of how to choose the nozzle correctly based on the pump’s specifications (maximum pressure and flow rate factor). The table gives an example (pump with Pmax=100 bar and Flow Rate =15 l/min).
  • Page 23 Instruction Manual Doc. code M.I. TXT-21 Rev. 1 High pressure piston pumps TXT Series Page 23 of 35 This Manual remains the property of the Manufacturer; it may not be reproduced or copied, even partially.
  • Page 24 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 24 of 35 TXT Series This Manual remains the property of the Manufacturer; it may not be reproduced or copied, even partially.
  • Page 25 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 25 of 35 TXT Series This Manual remains the property of the Manufacturer; it may not be reproduced or copied, even partially.
  • Page 26 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 26 of 35 TXT Series MAINTENANCE Use the special tools provided in the product’s tool-kit for pump maintenance, as this will facilitate the maintenance of certain parts. If the special tool-kit is not available, standard tools can be used (screwdrivers, pin punches, etc. but take care not to damage the pump’s parts.
  • Page 27 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 27 of 35 TXT Series  Check the screws securing the pump are tight  If necessary, tighten the screws using the torque indicated in the installation diagram Check pipes and couplings: ...
  • Page 28 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 28 of 35 TXT Series Removal of mechanical parts Remove parts as described below: • Empty the oil out of the crankcase through the drain plug; • Remove the key from the shaft;...
  • Page 29 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 29 of 35 TXT Series Changing the bearings Once the bearing housings and the shaft have been removed as instructed above, take the outer bearing ring nuts off their respective housings and the internal ring nuts off the shaft using a pin punch or similar tool.
  • Page 30 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 30 of 35 TXT Series • Generously grease all VAM seats inside the header. (Figure 13) • Insert the new VAMs (Figure 14, Figure 15). • Insert the VAM plugs (Figure 16). •...
  • Page 31 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 31 of 35 TXT Series 6.6.2 Replacement of the seals To replace the seals, proceed as follows: DISMANTLING • Unscrew the recirculation pipe connected between the head and the seal support bushing. (Figure 20) •...
  • Page 32 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 32 of 35 TXT Series ASSEMBLY • Apply plenty of grease to the gasket bushings. (Figure 34) • Apply thread sealant to the two threaded holes in the brass bushing. (Figure 35) Pay attention to the direction of the 90°...
  • Page 33 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 33 of 35 TXT Series figure 46 figure 47.a figure 47.b figure 48 figure 50 figure 49 figure 51 figure 55 figure 52 figure 53 figure 54 figure 56 This Manual remains the property of the Manufacturer;...
  • Page 34 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 34 of 35 TXT Series 6.6.3 Replacing the plungers If one or more plungers need replacing, follow the instructions below: DISMANTLING • After removing the manifold housing as described at the beginning of section 6.6.2, unscrew the plunger nuts using the appropriate key.
  • Page 35 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 35 of 35 TXT Series PROBLEMS POSSIBLE CAUSES SOLUTI Check if there is water in the suction line Check The pump runs but does not The pump is not primed and is running dry if the delivery line (gun) is open produce noise or pressure Check the valves are NOT blocked...
  • Page 36 Instruction Manual Doc. code M.I. TXT-21 Rev. 0 High pressure piston pumps Page 36 of 35 TXT Series DISMANTLING AND DISPOSAL Contact the Manufacturer for information and instructions before dismantling the pump in order to move it or for its disposal, as applicable.

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