Flowserve MN Manuale Utente Pagina 1

® Pump Division Type: MN (Horizontal close-coupled) CENTRIFUGAL PUMPS USER INSTRUCTIONS: INSTALLATION, OPERATI

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 10 of 49 ®2.2 Handling Boxes, crates, pallets, or cartons may be unloaded using forklift vehicle

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 11 of 49 ®2.4 Storage Store the pump in a clean and dry location away from vibration. Leave pi

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 12 of 49 ®i) Rotate the pump shaft a minimum of 5 revolutions every two weeks to keep the bearing

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 13 of 49 ®3.2 Nomenclature The pump size is engraved on the nameplate typically as below: 24-

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 14 of 49 ®Always place two rings of packing below the seal cage and the remaining rings above the

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 15 of 49 ®4 INSTALLATION Equipment operated in hazardous locations must comply with the releva

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 16 of 49 ®The foundation should be of sufficient strength to absorb vibration (i.e., at least fiv

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 17 of 49 ®b) As a minimum, baseplate level shall be set with a master level or a precision machi

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 18 of 49 ®4.5 Initial alignment The equipment is shipped from the factory with the couplings pr

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 19 of 49 ®d) Check parallel alignment of the coupling halves using a dial indicator. The

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 2 of 49 ®CONTENTS PAGE CONTENTS... 2

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 20 of 49 ®4.6 Piping Protective covers are fitted to the pipe connections to prevent foreign bo

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 21 of 49 ®4.6.2.1 Suction piping guidelines a) The inlet pipe should be one or two sizes large

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 22 of 49 ®any connected devices. If in any doubt contact Flowserve for advice. The motor must b

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 23 of 49 ®5.2 Pump lubricants Determine the mode of lubrication of the pump set, e.g. grease, oi

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 24 of 49 ®5.2.3 Bearings–grease lubricated MN pumps are normally furnished with grease lubricate

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 25 of 49 ®5.2.6.1 Recommended grease lubricants AMOCO Amolith EP2 CHEVRON Duralith EP2 EXXO

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 26 of 49 ®5.2.7 Oil and grease change schedule 5.2.7.1 Oil lubricated bearings Flowserve recom

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 27 of 49 ® Observe extreme caution when priming, venting and draining hazardous liquids. Wear pro

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 28 of 49 ®5.7.2 Pump startup The procedure for starting the unit will vary somewhat with each in

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 29 of 49 ® Care must be taken when adjusting the gland on an operating pump. Safety gloves are e

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 3 of 49 ®1 INTRODUCTION AND SAFETY 1.1 General These instructions must always be kept close t

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 30 of 49 ®5.10 Hydraulic, mechanical and electrical duty This product has been supplied to meet

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 31 of 49 ®The positioning of these accessories must not limit access or hinder the lifting of the

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 32 of 49 ®6.1.2 Periodic inspection (semi-annual) Check the stuffing box for free movement of th

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 33 of 49 ®6.1.6.1 Measuring wearing ring gap There are two methods for checking wearing ring cle

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 34 of 49 ®Any sleeve grooved more than 3.0 mm (0.12 in.) deep should immediately be replaced to a

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 35 of 49 ®6.1.8.1 Stuffing Box Data All dimensions in mm (In.) Bearing Frame O.D. Sleeve (1) I

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 36 of 49 ®Check that the sleeve is free of pits, burrs or sharp edges to prevent cutting or impro

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 37 of 49 ®6.1.10.4 To clean the bearings a) Wipe off as much grease as possible with a clean l

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 38 of 49 ®d) In cases where more than one part or box is returned, individually print or stencil

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 39 of 49 ®6.7 Disassembly Refer to section 1.6, Safety, before dismantling the pump. Before di

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 4 of 49 ®1.6 Safety 1.6.1 Summary of safety markings These User Instructions contain specific

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 40 of 49 ®Use a tubular sleeve, ring, or small blocks of equal thickness to apply the force to th

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 41 of 49 ®6.7.5 Bearing end play Bearing Frame Recommended end play mm (in.) End play adjustme

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 42 of 49 ®6.9 Assembly To assemble the pump consult the sectional drawings, see Section 8, Parts

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 43 of 49 ®6.9.2 Bearing housing assembly - Grease lubricated a) Be sure the shoulders where the

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 44 of 49 ®7 FAULTS; CAUSES AND REMEDIES FAULT SYMPTOM P u m p o v e r h e a ts a n d s e i

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 45 of 49 ®FAULT SYMPTOM P u m p o v e r h e a ts a n d s e i z e s ⇓⇓ B e a r i n g s h

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 46 of 49 ®8 PARTS LIST AND DRAWINGS 8.1 Grease lubricated MN (typical) All the sectional draw

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 47 of 49 ®8.2 Parts list - MN ROTATING PARTS REF. NO QTY REQ’D DESCRIPTION 2 1 Impeller 6 1

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 48 of 49 ®8.3 General arrangement drawing The typical general arrangement drawing and any specif

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 49 of 49 ®FLOWSERVE REGIONAL SALES OFFICES: USA and Canada Flowserve Corporation Head Quarters

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 5 of 49 ® HOT (and cold) PARTS If hot or freezing components or auxiliary heating supplies can pr

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 6 of 49 ®1.6.4.2 Marking An example of ATEX equipment marking is shown below. The actual classi

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 7 of 49 ®If the operation of the system cannot avoid this condition the fitting of an appropriate

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 8 of 49 ®1.7 Name plates and warning labels 1.7.1 Nameplate For details of nameplate, see the

MN USER INSTRUCTIONS ENGLISH 71569189 11/04 Page 9 of 49 ®1.8.1 Typical sound levels for MN pumps Pump noise level is dependent on a number of f