General Pump MK2 Owner'S Manual Download Page 2

Page: 2 / 32

GENERAL PUMP

A member of the Interpump Group

MK2/MKS2 SERIES

Page 2

INDEX
1. INTRODUCTION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4

SYMBOL DESCRIPTIONS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4

SAFETY

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4

3.1 General safety instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4

3.2 High pressure unit safety requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4

3.3 Safety during operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4

3.4 General procedures for using nozzles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5

3.5 Safety during unit maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5

PUMP IDENTIFICATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5

TECHNICAL CHARACTERISTICS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6

DIMENSIONS AND WEIGHT

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7

INFORMATION REGARDING PUMP USE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 9

7.1 Water temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 9

7.2 Maximum flow and pressure values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 9

7.3 Lowest operating RPM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 9

7.4 Recommended lubricant types and Manufacturers . . . . . . . . . . . . . . . . . . . . . Page 9

PORTS AND CONNECTIONS

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 10

PUMP INSTALLATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 10

9.1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 10

9.2 Direction of rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 11

9.3 Version change and reducer positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 11

9.4 Hydraulic connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 11

9.5 Pump feeding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 11

9.6 Suction line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 11

9.7 Filtering. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 12

9.8 Delivery line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 12

9.9 Internal diameter of hose . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 12

9.10 V-belt transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 13

10.

START UP AND OPERATION

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 13

10.1 Preliminary inspections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 13

10.2 Starting up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 14

11. PREVENTATIVE MAINTENANCE

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 14

12. STOPPING THE PUMP FOR LONG PERIODS

. . . . . . . . . . . . . . . . . . . . . . . . . . Page 14

12.1 Filling the pump with anti-corrosion emulsion or anti-freeze . . . . . . . . . . . . . Page 14

12.2 Hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 14

Ref 310199 Rev. A

02-21

Summary of Contents for MK2

Page 1: ...S2 Owner s Manual Installation Use Maintenance Ref 310199 Rev A 02 21 General Pump is a member of the Interpump Group MK240A MK245A MK250A MK255A MK260A MK265A MKS255A MKS260A MKS265A MKS240A MKS245A MKS250A ...

Page 2: ...ge 9 7 3 Lowest operating RPM Page 9 7 4 Recommended lubricant types and Manufacturers Page 9 8 PORTS AND CONNECTIONS Page 10 9 PUMP INSTALLATION Page 10 9 1 Installation Page 10 9 2 Direction of rotation Page 11 9 3 Version change and reducer positioning Page 11 9 4 Hydraulic connections Page 11 9 5 Pump feeding Page 11 9 6 Suction line Page 11 9 7 Filtering Page 12 9 8 Delivery line Page 12 9 9 ...

Page 3: ...INDEX continued 13 PRECAUTIONS AGAINST FREEZING Page 15 14 WARRANTY TERMS Page 15 15 TROUBLESHOOTING Page 15 16 MK2 MKS2 EXPLODED VIEWS AND PARTS Page 17 17 MK2R MK2SR PUMP VERSION Page 23 18 MAINTENANCE LOG Page 32 Ref 310199 Rev A 02 21 MK2 MKS2 SERIES ...

Page 4: ... interest of safety no precaution that is reasonably feasible must be neglected both by the Manufacturer and the Operator 3 2 High pressure unit safety requirements 1 The pressure line must always be equipped with a safety valve 2 High pressure unit components in particular for those units working outside must be adequately protected against rain frost and heat 3 The units electrical parts must be...

Page 5: ...ausing damage or dangerous situations 5 The water jet must only and always be directed towards the work area even during testing or preliminary inspections 6 The Operator must always pay attention to the trajectory of the debris removed by the water jet If necessary adequate side guards must be provided by the Operator in order to protect anything that may be accidentally exposed 7 For no reason m...

Page 6: ...2175 150 154 113 MODEL RPM FLOW RATE PRESSURE POWER GPM l min PSI Bar Hp kW MKS2 40A 1500 48 6 184 5800 400 191 140 5 1800 48 3 183 5800 400 190 140 2200 48 1 182 5800 400 189 139 MKS2 45A 1500 61 6 233 4350 300 182 134 1800 61 3 232 4350 300 181 133 2200 61 0 231 4350 300 180 132 MKS2 50A 1500 76 1 288 3625 250 187 137 5 1800 75 6 286 3625 250 186 137 2200 75 3 285 3625 250 185 136 MKS2 55A 1500 ...

Page 7: ...and weight of MK240A MK245A MK250A MKS240S MKS245A and MKS250A pumps please refer to fig 2 For dimensions and weight of MK255A MK260A MK265A MKS255A MKS260A and MKS65A pumps please refer to fig 2a fig 2 fig 2a Weight 877 Lbs 398 Kg Weight 906 Lbs 411 Kg Ref 310199 Rev A 02 21 MK2 MKS2 SERIES ...

Page 8: ...NS AND WEIGHT cont For dimensions MK240A MK245A and MK250A pumps with Hydraulic Pack please refer to fig 2b For dimensions MK255A MK260A and MK265A pumps with Hydraulic Pack please refer to fig 2c Page 8 fig 2b fig 2c Ref 310199 Rev A 02 21 MK2 MKS2 SERIES ...

Page 9: ...e The max water temperature is 104 F 40 C Nonetheless it is possible to use the pump at temperatures of up to 140 F 60 C for short periods of time In this case we advise con sulting the Customer Service Department BRAND TYPE GENERAL PUMP SERIES 220 ARAL Aral Degol BG220 BP ENERGOL HLP 220 CASTROL Hyspin VG 220 Magna 220 ELF POLYTELIS 220 ESSO NUTO 220 FINA Cirkan 220 FUCHS RENOLIN 220 MOBIL DTE OI...

Page 10: ...s shaft PTO must not be rigidly connected to the motor unit The following transmission types are suggested Flexible joint Cardan Joint please respect the maximum working angles indicated by the manufacturer Belts for correct application please contact the Customer Service Department 9 PUMP INSTALLATION 9 1 Installation The pump must be installed in a horizontal position using the correct perforate...

Page 11: ...of one way valves 8 Do not connect the by pass line from the valve directly to the pump suction line 9 Provide appropriate baffle plates inside the tank in order to avoid water flows coming from both the by pass and feeding lines may create turbulence near the tank s outlet port 10 Make sure that the suction line is perfectly clean inside before connecting it to the pump 11 The pressure gauge for ...

Page 12: ...ibrations from the rest of the system 3 Use high pressure hoses and fittings that guarantee wide safety margins in any working condition 4 Install a safety valve on the delivery line 5 Use pressure switches suitable for the pulsating loads typical of plunger pumps 6 In the design phase take into proper account the pressure drop along the line since this causes a reduction in usage pressure with re...

Page 13: ...rtight 2 All the On Off valves between the pump and the feeding source are completely open The delivery line must discharge freely in order to allow the air in the pump to be ex pulsed easily thus facilitating pump priming 3 All suction delivery connections and fittings must be correctly tightened 4 Coupling tolerances on the pump transmis sion axis half joint misalignment Cardan inclination belt ...

Page 14: ...An Anti Corrosion Emulsion or Anit freeze By Using An External Diaphragm Pump As In The Layout Shown in Paragraph 9 7 a Close the filter draining if open b Be sure that the connecting hose is clean spread with grease and connect it to the high pressure outlet port c Fit a suction hose to the membrane pump Open the pump suction connection and fit hose between it and the membrane pump d Fill the con...

Page 15: ...e hoses 7 non authorized design changes 8 cavitation 15 TROUBLESHOOTING The pump does not produce any noise at start up The pump is not primed and is running dry There is no water in the inlet line The valves are blocked The delivery line is closed and does not allow the air in the pump to be discharged The pump pulses irregularly knocking Air suction Insufficient feeding Bends elbows fittings alo...

Page 16: ...is too low or the oil is not of a suit able type indicated in Chapter 7 see para graph 7 4 Incorrect alignment of the joint or pulleys Excessive inclination of the pump during operation Pump vibrations or knocking Air suction Incorrect operation of the pressure adjust ment valve Valve malfunction Irregular drive transmission motion Ref 310199 Rev A 02 21 MK2 MKS2 SERIES ...

Page 17: ...GENERAL PUMP A member of the Interpump Group Page 17 16 EXPLODED VIEW AND PARTS LIST MK240A MK2S40A MK245A MKS245A MKS250A MKS2S50A Ref 310199 Rev A 02 21 MK2 MKS2 SERIES MK2 MKS2 HP ...

Page 18: ...de 3 F79050543 Plunger Guide 1 0 3 52 F98233300 Oil Plug 1 53 F99441000 Connecting Rod Screw M12 x 1 25 x 87 6 54 F99304500 Screw M8 x 18 6 55 98218700 Plug G 1 2 x 13 1 56 F96751400 Washer Ø 21 5 x 27 x 1 5 1 57 F91870000 Bearing 1 Item Part No Description QTY 58 F10088055 Pinion Z30 R 1 600 Elicoid MK2 1 F10088255 Pinion Z24 R 2 208 Elicoid MKS2 1 F10088355 Pinion Z21 R 2 667 Elicoid MK2 MKS2 1 ...

Page 19: ...29 32 34 35 37 40 4 5 17 21 4 5 12 15 16 17 21 28 29 32 34 35 37 39 40 44 47 48 60 62 72 78 84 95 4 5 12 15 16 17 21 28 29 32 34 35 37 39 40 44 47 48 60 62 72 78 84 95 4 5 12 15 16 17 21 28 29 32 34 35 37 39 40 44 47 48 60 62 72 78 84 95 81 82 GENERAL PUMP A member of the Interpump Group TORQUE SPECS No Ft Lbs Nm 2 29 5 40 13 29 5 40 25 245 6 333 26 245 5 333 27 29 5 40 41 7 4 10 49 7 4 10 50 29 5...

Page 20: ...GENERAL PUMP A member of the Interpump Group 16 EXPLODED VIEW AND PARTS LIST MK255A MKS255A MK260A MKS260A MK265A MKS265A Ref 310199 Rev A 02 21 Page 20 MK2 MKS2 SERIES MK2 MKS2 LP ...

Page 21: ...Y 1 F74120415 Manifold 1 2 F10744301 Suction Valve Device 3 3 F36206666 Inlet Valve Seat 3 4 F90527000 Anti extrusion Ring Suction Valve Spring61 2 x 67 x 2 3 5 F90410500 O ring Ø 50 47 x 2 62 6 7 F36208701 Suction Valve Spring 6 8 F94769800 Spring Ø 28 3 x 30 7 3 9 F36206051 Suction Delivery Valve Guide 6 10 F36715001 Suction Valve Assembly 3 11 F74210551 Spacer Valve Guide 3 12 F90358400 O ring ...

Page 22: ...7 40 29 32 34 35 37 40 29 32 34 35 37 40 4 5 10 11 17 19 21 4 5 12 15 16 17 21 28 29 32 34 35 37 39 40 44 47 48 60 62 72 78 84 95 4 5 12 15 16 17 21 28 29 32 34 35 37 39 40 44 47 48 60 62 72 78 84 95 4 5 12 15 16 17 21 28 29 32 34 35 37 39 40 44 47 48 60 62 72 78 84 95 81 82 TORQUE SPECS No Ft Lbs Nm 2 29 5 40 13 29 5 40 25 245 6 333 26 245 5 333 27 29 5 40 41 7 4 10 49 7 4 10 50 33 2 45 53 55 3 7...

Page 23: ...MK2R 55A 1500 76 4 289 2900 200 150 110 1800 74 5 282 2900 200 146 107 MK2R 60A 1500 90 6 343 2465 170 151 111 1800 88 5 335 2465 170 148 109 MK2R 65A 1500 106 5 403 2175 150 157 115 1800 104 1 394 2175 150 154 113 MODEL RPM FLOW RATE PRESSURE POWER GPM l min PSI Bar Hp kW MK2SR 40A 1500 48 6 184 5800 400 188 140 5 1800 48 3 183 5800 400 188 140 2200 48 1 182 5800 400 186 139 MK2SR 45A 1500 61 6 2...

Page 24: ...d at the suction flange in the mani fold must be equal to or greater that the values below NPSH m MK2R40 MK2SR40 17 76 4 5 MK2R45 MK2SR45 18 04 5 5 MK2R50 MK2SR50 21 33 6 5 MK2R55 MK2SR55 24 61 7 5 MK2R60 MK2SR60 26 25 8 MK2R65 MK2SR65 29 53 9 17 1 5 Pump Supply continued For greater displacements of pumps with plungers Ø 55 60 65 forced feeding by a booster pump is recommended in order to avoid c...

Page 25: ...fter using the pump to wash it with particulate free water 17 1 7 Preventive Maintenance For pump reliability and efficiency comply with maintenace intervals as shown in the table below HP LP seals durability depends on the degree of filtration type of fluid and percentage in volume see chapter 7 To replace follow instructions contained in the Repair Manual Preventive Maintenance Every 500 Hours E...

Page 26: ...GENERAL PUMP A member of the Interpump Group 17 1 8 Exploded View and Parts List MK2R40A MK2R45A MK2R50A MK2SR40A MK2SR45A MK2SR50A MKSR50 Page 26 Ref 310199 Rev A 02 21 MK2R MK2SR SERIES ...

Page 27: ...ton Guide 3 F79050543 Piston Guide 1 0 3 GENERAL PUMP A member of the Interpump Group Item Part No Description QTY 56 F98233300 Oil Plug 1 57 F99441000 Connecting Rod Screw 6 58 F99304500 Screw M8 x 18 6 59 98218700 Plug G 1 2 x 13 1 60 F96751400 Washer Ø 21 5 x 27 x 1 5 1 61 F91870000 Gearbox Flange 1 62 F10088055 Pinion Z30 R 1 600 Elicoid MK2R 1 F10088255 Pinion Z24 R 2 208 Elicoid MK2SR 1 F100...

Page 28: ... 4 5 10 11 17 19 21 4 5 12 15 16 17 21 28 29 32 35 36 37 39 41 43 44 48 51 52 64 66 76 82 88 99 4 5 12 15 16 17 21 28 29 32 35 36 37 39 41 43 44 48 51 52 64 66 76 82 88 99 4 5 12 15 16 17 21 28 29 32 35 36 37 39 41 43 44 48 51 52 64 66 76 82 88 99 85 86 GENERAL PUMP A member of the Interpump Group TORQUE SPECS No Ft Lbs Nm 2 29 5 40 13 29 5 40 25 245 6 333 26 245 5 333 27 29 5 40 41 7 4 10 49 7 4 ...

Page 29: ...GENERAL PUMP A member of the Interpump Group 17 1 8 Exploded View and Parts List MK2R55A MK2R60A MK2R65A MK2SR55A MK2SR60A MK2SR65A Page 29 Ref 310199 Rev A 02 21 MK2R MK2SR SERIES ...

Page 30: ...600 Plug G 3 8 x 12 2 118 F74606201 Complete Piston Guide 3 119 F99366800 Screw M10 x 25 6 Item Part No Description QTY 1 F74120415 Manifold LP NPT 1 2 F10744301 Suction Valve Device 3 3 F36206666 Inlet Valve Seat 3 4 F90527000 Anti extrusion Ring Suction Valve Spring 61 2 x 67 x 2 3 5 F90410500 O ring Ø 59 92 x 3 53 6 7 F36208701 Suction Valve Spring 6 8 F94769800 Spring Ø 41 5 x 37 9 3 9 F362060...

Page 31: ...9 41 44 29 32 35 36 37 39 41 44 10 11 17 19 21 4 5 12 15 16 17 21 28 29 32 35 36 37 39 41 43 44 48 51 52 64 66 76 82 88 99 4 5 12 15 16 17 21 28 29 32 35 36 37 39 41 43 44 48 51 52 64 66 76 82 88 99 4 5 12 15 16 17 21 28 29 32 35 36 37 39 41 43 44 48 51 52 64 66 76 82 88 99 85 86 TORQUE SPECS No Ft Lbs Nm 2 29 5 40 13 29 5 40 25 245 6 333 26 245 5 333 27 29 5 40 45 7 4 10 53 7 4 10 54 33 2 45 57 5...

Page 32: ...NGE GREASE PACKING REPLACEMENT PLUNGER REPLACEMENT VALVE REPLACEMENT HOURS DATE GP Companies Inc 1174 Northland Drive Mendota Heights MN 55120 Phone 651 686 2199 Fax 800 535 1745 www generalpump com email sales gpcompanies com Page 32 Ref 310199 Rev A 02 21 MK2 MKS2 SERIES ...

Search results

Summary of Contents for MK2

Reviews:

Related manuals for MK2

Brands by name

Popular brands

General Pump MK2, Owner'S Manual

Search results

Summary of Contents for MK2

Reviews:

Related manuals for MK2

Brands by name

Popular brands