General Pump MK2 Owner's Manual
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General Pump MK2 Owner's Manual

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Owner's Manual
MK255A - MK260A - MK265A
MKS255A - MKS260A - MKS265A
General Pump is a
member of the
Interpump Group
MK2/MKS2
• Installation
• Use
• Maintenance
MK240A - MK245A - MK250A
MKS240A - MKS245A - MKS250A
Ref 310199 Rev. A
02-21

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Summary of Contents for General Pump MK2

  • Page 1 • Installation • Use • Maintenance MK240A - MK245A - MK250A MKS240A - MKS245A - MKS250A MK255A - MK260A - MK265A MKS255A - MKS260A - MKS265A General Pump is a member of the Ref 310199 Rev. A Interpump Group 02-21...

  • Page 2: Table Of Contents

    MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group INDEX INTRODUCTION ..........Page 4 SYMBOL DESCRIPTIONS .
  • Page 3 TROUBLESHOOTING ..........Page 15 MK2/MKS2 EXPLODED VIEWS AND PARTS ......Page 17 MK2R/MK2SR PUMP VERSION .

  • Page 4: Introduction

    3. SAFETY 1. INTRODUCTION This manual describes the use and maintenance instructions of the MK2 and MKS2 pump, and should be 3.1 General Safety Indications carefully read and understood before using the pump. The misuse of pumps and high pressure units, and the...

  • Page 5: General Procedures For Using Nozzles

    MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group 8. For safety reasons, it is important that each member of the team is perfectly aware of the intentions and actions of other team members in order to avoid 3.3 Safety of Operation (continued) dangerous misunderstandings, 2.

  • Page 6: Technical Characteristics

    MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group 5. TECHNICAL FEATURES FLOW RATE PRESSURE POWER MODEL l/min 1500 40.4 5800 MK2 40A 1800 39.4 5800 1500 51.0 4350 MK2 45A 1800 49.9 4350 1500 63.1 3625 MK2 50A 1800 61.6...

  • Page 7: Dimensions And Weight

    MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group 6. DIMENSIONS AND WEIGHT For dimensions and weight of MK240A, MK245A, MK250A, MKS240S, MKS245A, and MKS250A pumps, please refer to fig. 2. fig. 2 Weight: 877 Lbs./398 Kg. For dimensions and weight of MK255A, MK260A, MK265A, MKS255A, MKS260A, and MKS65A pumps, please refer to fig.
  • Page 8 MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group 6. DIMENSIONS AND WEIGHT (cont.) For dimensions MK240A, MK245A and MK250A pumps with Hydraulic Pack, please refer to fig. 2b. fig. 2b For dimensions MK255A, MK260A and MK265A pumps with Hydraulic Pack, please refer to fig. 2c.

  • Page 9: Information Regarding Pump Use

    (3), fig 3. Correct oil level inspection is done with the pump at room temperature; The MK2/MKS2 pump has been designed to oil is changed with the pump at working temperature, by operate with filtered water (see paragraph 9.7) removing the rear plug (2), fig 3.

  • Page 10: Ports And Connections

    8. PORTS AND CONNECTIONS The lifting eyebolts must not be removed. MK2 Series pumps (see fig. 4 and 4a) are provided with: The eyebolts are for lifting the pump only and 1. 2 inlet ports “IN”, 2” NPT (MK2/S 40A, 45A, 50A).

  • Page 11: Version Change And Reducer Positioning

    9.5 Pump Feeding 8. Do not connect the by-pass line from the valve directly MK2/MKS2 pumps must always be installed under pos- to the pump suction line. itive head, i.e. they must receive water by gravity or by 9.

  • Page 12: Filtering

    MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group 9.8 Delivery Line 9.7 Filtering To obtain a correct delivery line, please comply with the On the suction line, install two filters as indicated in fig. 7 following installation instructions: and fig.

  • Page 13: V-Belt Transmission

    MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group The suction line is connected and up to pres- sure (see Chapter 9) the pump must never run dry. 1. The suction line must be perfectly airtight. 2. All the On-Off valves between the pump and the feeding source are completely open.

  • Page 14: Starting Up

    MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group 11. PREVENTIVE MAINTENANCE To guarantee pump reliability and efficiency, respect the maintenance intervals as indicated in the table below. PREVENTIVE MAINTENANCE EVERY 500 HOURS EVERY 1500 HOURS Check oil level...

  • Page 15: Precautions Against Freezing

    • Transmission problems d) The pump was used with accessories or spare parts not supplied by General Pump. The pump does not deliver the rated flow / is e) Damage was caused by: noisy: 1) improper use •...
  • Page 16 MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group 15. TROUBLESHOOTING (continued) Overheated pump: • The pump is overloaded (pressure or RPM exceed the rated values) • Oil level is too low, or the oil is not of a suit able type, indicated in Chapter 7 (see para graph 7.4)

  • Page 17: Mk2/Mks2 Exploded Views And Parts

    MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group 16. EXPLODED VIEW AND PARTS LIST MK240A, MK2S40A, MK245A, MKS245A, MKS250A, MKS2S50A Ref 310199 Rev. A Page 17 02-21...
  • Page 18 F10088255 Pinion, Z24 R. 2.208 - Elicoid, MKS2 F36206766 Inlet Valve Seat F10088355 Pinion, Z21 R. 2.667 - Elicoid, MK2 MKS2 F90526000 Anti-extrusion Ring, Suction Valve Spring61.2 x 67 x 2 F10088435 Pinion, Z18 R. 3.278 - Elicoid, MK2 MKS2 F90389000 O-ring, Ø...
  • Page 19 MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group REPAIR KITS F2076 F2052 (MK240A F2053 (MK245A F2054 (MK250A F2056 (MK240A F2057 (MKS45A F2058 (MK250A F2055 (F2077 +0.25) MKS240A) MKS245A) MKS250A) MKS240A) MKS245A) MKS250A) KIT NUMBER Valve Kit (F2078 +0.50)
  • Page 20 MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group 16. EXPLODED VIEW AND PARTS LIST MK255A, MKS255A, MK260A, MKS260A, MK265A, MKS265A Ref 310199 Rev. A Page 20 02-21...
  • Page 21 F10088255 Pinion, Z24 R. 2.208 - Elicoid, MKS2 F36206666 Inlet Valve Seat F10088355 Pinion, Z21 R. 2.667 - Elicoid, MK2, MKS2 F90527000 Anti-extrusion Ring, Suction Valve Spring61.2 x 67 x 2 F10088455 Pinion, Z18 R. 3.278 - Elicoid, MK2, MKS2 F90410500 O-ring, Ø...
  • Page 22 MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group REPAIR KITS F2076 F2045 (MK255A F2046 (MK260A F2047 (MK265A F2447 (MK255A F2448 (MK260A F2449 (MK265A F2048 (F2077 +0.25) KIT NUMBER MKS255A) MKS260A) MKS265A) MKS255A) MKS260A) MKS265A) Valve Kit (F2078 +0.50)

  • Page 23: Mk2R/Mk2Sr Pump Version

    MK2R/MK2SR SERIES GENERAL PUMP A member of the Interpump Group 17. MK2R PUMP VERSION The durability of the plunger seals are directly The following information is helpful in deciding how to use related to the amount of solids in the fluid as the MK2R and MK2SR pumps regards to size and density.
  • Page 24 MK2R/MK2SR SERIES GENERAL PUMP A member of the Interpump Group 17.1.4 Dimensions and Weight 17.1.5 Pump Supply (continued) For dimensions and weight of pump, refer to the diagrams For greater displacements, of pumps with plungers in chapter 6. Ø 55 - 60 - 65, forced feeding by a booster pump is recommended in order to avoid cavitation, considering 17.1.5 Pump Supply...
  • Page 25 MK2R/MK2SR SERIES GENERAL PUMP A member of the Interpump Group With a pneumatically activated control valve ig. 12a The filter must be installed as close as possible to the 17.1.7 Preventive Maintenance pump and be easily inspected. For pump reliability and efficiency, comply with For the pump to work properly, the degree of maintenace intervals as shown in the table below.
  • Page 26 MK2R/MK2SR SERIES GENERAL PUMP A member of the Interpump Group 17.1.8 Exploded View and Parts List MK2R40A, MK2R45A, MK2R50A, MK2SR40A, MK2SR45A, MK2SR50A Ref 310199 Rev. A Page 26 02-21...
  • Page 27 MK2R/MK2SR SERIES GENERAL PUMP A member of the Interpump Group Parts List Item Part No. Description QTY. Item Part No. Description QTY. F98233300 Oil Plug F74120501 Manifold MK2R45A MK2R50A, NPT F99441000 Connecting Rod Screw F10744401 Suction Valve F36206766 Inlet Valve Seat...
  • Page 28 MK2R/MK2SR SERIES GENERAL PUMP A member of the Interpump Group REPAIR KITS F2076 F2430 (MK2R40A F2431 (MK2R45A F2100 (MK2R50A F2456 (MK2R40A F2457 (MK2R45A F2458 (MK2R50A F2055 (F2077 +0.25) MK2RS40A) MK2SR45A) MK2SR50A) MK2SR40A) MK2SR45A) MK2SR50A) KIT NUMBER Valve Kit (F2078 +0.50)
  • Page 29 MK2R/MK2SR SERIES GENERAL PUMP A member of the Interpump Group 17.1.8 Exploded View and Parts List MK2R55A, MK2R60A, MK2R65A, MK2SR55A, MK2SR60A, MK2SR65A Ref 310199 Rev. A Page 29 02-21...
  • Page 30 MK2R/MK2SR SERIES GENERAL PUMP A member of the Interpump Group MK2R Parts List Item Part No Description QTY. Item Part # Description QTY. F74120415 Manifold LP - NPT F79050443 Piston Guide F10744301 Suction Valve Device F79050543 Piston Guide, +1.0 F36206666...
  • Page 31 MK2R/MK2SR SERIES GENERAL PUMP A member of the Interpump Group REPAIR KITS KIT2076 KIT2102 (MK2R55 KIT2103 (MK2R60 KIT2104 (MK2R65 KIT2048 KIT2105 KIT2106 KIT2107 (KIT2077 +0.25) KIT No. MK2SR55) MK2SR60) MK2SR65) Valves Kit Complete Seal Kit Complete Seal Kit Complete Seal Kit KIT2078 +0.50)

  • Page 32: Maintenance Log

    MK2/MKS2 SERIES GENERAL PUMP A member of the Interpump Group 18. MAINTENANCE LOG HOURS & DATE OIL CHANGE GREASE PACKING REPLACEMENT PLUNGER REPLACEMENT VALVE REPLACEMENT GP Companies, Inc. 1174 Northland Drive Mendota Heights, MN 55120 Ref 310199 Rev. A Phone:651.686.2199 Fax: 800.535.1745 02-21 www.generalpump.com email: sales@gpcompanies.com...

This manual is also suitable for:

Mks2Mk240aMk245aMk250aMks240aMks245a ... Show all

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