KIRLOSKAR DSM Series Instruction On Installation, Operation And Maintenance
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KIRLOSKAR DSM Series Instruction On Installation, Operation And Maintenance

KIRLOSKAR DSM Series Instruction On Installation, Operation And Maintenance

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INSTRUCTIONS ON
KIRLOSKAR PUMP
TYPE DSM (STANDARD)
KIRLOSKAR BROTHERS LIMITED
UDYOG BHAVAN, TILAK ROAD, PUNE - 411 002

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  • Page 1 INSTRUCTIONS ON INSTALLATION OPERATION AND MAINTENANCE FOR KIRLOSKAR PUMP TYPE DSM (STANDARD) KIRLOSKAR BROTHERS LIMITED UDYOG BHAVAN, TILAK ROAD, PUNE - 411 002...
  • Page 2 KIRLOSKAR BROTHERS LIMITED Udyog Bhavan, Tilak Road, Pune 411 002 (India) WARRANTY We warrant that the pump supplied by us is free from defective material and faulty workmanship. This warranty holds good for a period of 12 months from the date of commissioning of the equipment or 18 months from the date of despatch from our factory, whichever is earlier.
  • Page 3 CONTENTS GENERAL INSTALLATION OPERATION TECHNICAL DATA MAINTENANCE OVERHAULING SPARE PARTS LIST AND CROSS-SECTIONAL DRAWINGS PLEASE FURNISH COMPLETE NAMEPLATE DETAILS, NAME OF THE PARTS, PART NOS. AND MATERIAL OF CONSTRUCTION WHILE ORDERING SPARE PARTS FOR THE PUMPS. - 2 -...
  • Page 4 For location, preparing foundation, installation, alignment, general maintenance, trouble shooting etc., the instructions given in our publication “General Instructions for Installation, Operation & Maintenance of Kirloskar Centrifugal Pumps.” which is also printed alongwith this booklet must be followed carefully. The sealing connection piping to the pump stuffing box must be made after installing and before commissioning the pump.
  • Page 5 3.1.6. Valve on the delivery side is closed. 3.1.7. Stuffing box packing is properly tightened. 3.1.8. The cock for the pressure gauge connection is closed. Starting the pump 3.2.1 Start the pump. Let the prime mover pick up its full speed. 3.2.2 Open the valve on delivery side slowly.
  • Page 6 Lubrication 4.4.1 Type of lubricant – The bearings are grease lubricated. 4.4.2 Quantity of grease – Please refer to Technical Data chart. 4.4.3 Refilling period – After 1000 hours of running. 4.4.4 Bearing temperature – The permissible bearing temperature rise is 40°C above ambient temperature.
  • Page 7 4.5.7 TECHNICAL DATA CHART Pump Flange Size Ball bearing No. Qty. of St. box packing Position of No. of Coupling type In mm SKF or equiv. Grease Size in mm Lantern ring Packing Type Del. X Suc. Per Brg. (L) from Rings Gms.
  • Page 8 MAINTENANCE: Preventive maintenance schedule is the periodical checks and precautions by which possibilities of failure and breakdown are made very remote. Daily Checks 5.1.1 Pressure gauge reading. 5.1.2 Bearing temperature. 5.1.3 Leakage through stuffing box. 5.1.4 Noise and vibration. 5.1.5 Voltage and current.
  • Page 9 Dismantling 6.2.1 Uncouple the pump from the prime mover by removing coupling bolts, nuts and rubber bushes. 6.2.2 Remove – Sealing Connections Priming funnel, air vent Grease cup/ nipples and other fittings. 6.2.3 Remove all the bolts and nuts (572, 581) holding the upper half casing & lower half casing.
  • Page 10 6.3.4 Remove the casing ring NDE (191). Water deflector (236), Glands (229) and lantern ring (227). 6.3.5 Take out open shaft sleeve (317.2) and ‘O’ ring in case of 65 DSM 315M, DSM-5, DSM-6 & DSM 150-45 unscrew or remove the shaft sleeve NDE side (311).
  • Page 11  Fix the bearing cartridge DE (241). The outer face of the bearing should touch the shoulder provided in the cartridge.  Fix the bearing cover DE to the cartridge by tightening the bolts (631).  Insert coupling spacer in case of DSM-3, DSM-1E, 2E, 3ME, 65 DSM- 315-M, DSM-5B and DSM-6.
  • Page 12 SPARE PART LIST Description No. of Part Part pieces pump Nos. Nos. reqd. per Casing half upper Casing half lower 157* Impeller, 1 stage 158* Impeller, 2 stage 180* Pump shaft direct drive 190* Wear ring 204* Interstage ring Cartridge for bearing, DE Cartridge for bearing, NDE 260.1* Ball bearing, DE...
  • Page 13 Description No. of Part Part pieces pump Nos. Nos. reqd. per Coupling nut (except DSM-4RM & 6 & DSM-150-45) Bearing nut Bolts with nuts for 274 Bolts with nuts for upper and Lower half casing Eye bolts with nuts & washer for gland Hex screw for 300 38AP Hex screw for bearing cover...
  • Page 14 Description No. of Part Part pieces pump Nos. Nos. reqd. per 264* Roller bearing, SKF N 310 or equiv. 263* 263* Double row angular contact ball bearing SKF 3309 or equivalent (For DSM-5B only) Spherical roller bearing SKF 21309 cc Brg.
  • Page 15 CROSS SECTION ASSEMBLY OF DSM 1E (CCW) CROSS SECTION ASSEMBLY OF DSM 2E (CCW) - 14 -...
  • Page 16 CROSS SECTION ASSEMBLY OF DSM 4 RM NOTE : ALSO FOR DSM 4 RN, DSM 4 RR (CCW) CROSS SECTION ASSEMBLY OF DSM 5 B (CCW) DSM 5 B (F). DSM 5 B (MODIFIED) - 15 -...
  • Page 17 - 16 -...
  • Page 18 CROSS SECTIONAL ASSEMBLY OF DSM 3ME (CCW) NOTE ALSO FOR DSM 3/3 ME - 17 -...
  • Page 19 GENERAL INFORMATION & SAFETY REQUIREMENTS The products supplied by KBL have been designed with safety in mind. Where hazards cannot be eliminated, the risk has been minimised by the use of guards and other design features. Some hazards cannot be guarded against and the instructions below MUST BE COMPLIED WITH for safe operation.
  • Page 20 Do not place fingers or hands etc. into the suction or discharge pipe outlets and do not touch the impeller, if rotated this may cause severe injury. To prevent ingress of any objects, retain the protection covers or packaging in place until removal is necessary for installation.
  • Page 21 SAFETY INSTRUCTIONS WHILE MAINTENANCE & SERVICING Before attempting any maintenance on a pump particularly if it has been handling any form of hazardous liquid, it should be ensured that the unit is safe to work on. The pump must be flushed thoroughly with suitable cleaner to purge away any of the product left in the pump components.
  • Page 22 CONCENTRIC TAPER PIECE ECCENTRIC TAPER PIECE INSTRUCTIONS INSTALLATION OPERATION & MAINTENANCE OF KIRLOSKAR CENTRIFUGAL REDUCED SUCTION PIPE INCREASED SUCTION PIPE PUMPS SHORT BEND LONG BEND INSUFFICIENT SUFFICIENT SPACE AROUND SPACE AROUND FOOT VALVE FOOT VALVE ® Registered users – Kirloskar Brothers Ltd.
  • Page 23 GENERAL INSTRUCTIONS FOR INSTALLATION, OPERATION & MAINTENANCE OF KIRLOSKAR CENTRIFUGAL PUMPS WARNING The equipment supplied is designed for specific capacity, speed, pressure and temperature. Do not use the equipment beyond the capacities for which it is manufactured. The equipment manufactured is also shop tested for the satisfactory performance and if it is operated is excess of the conditions for which it is manufactured, the equipment will be subject to excessive stresses and strains.
  • Page 24 MEASURING 1 Tank under Vacuum WEDGE 2 Vacuum equalizing line 3 Valve 4 Line supplying the seeling liquid 5 Valve 6 Connecting line 7 Valve STRAIGHT EDGE Figure 2 A check for parallel alignment is made by placing a straight-edge across both coupling periphery at the top, bottom and both the sides.
  • Page 25 FOOT VALVE It is advisable to install a foot valve to facilitate priming. The foot valve should have sufficient clear passage for water. Care must be taken to prevent foreign matter from being drawn into the pump or choking the foot valve and for this purpose an efficient strainer should be provided. STUFFING BOXES AND PACKING Stuffing boxes should be carefully cleaned and the packing placed in them.
  • Page 26 PUMP TROUBLE When investigating trouble with Kirloskar pumps, always remember that pumps have been tested at the factory and are mechanically correct when sent out. Discounting the possibility of damage during transit, most of the trouble in the field is due to faulty installation.
  • Page 27 CHECK POINTS 1. Suction pipe, foot valve choked. 29. Packing not suitable for operating conditions. 2. Nominal diameter of suction line too small. 30. Shaft sleeve worn in the region of the packing. 3. Suction pipe not sufficiently submerged. 31. Bearing worn out. 4.
  • Page 28 INSTRUCTION ON INSTALLATION OPERATION MAINTAINANCE KIRLOSKAR SPLIT CASE PUMP DSM 100/36 & DSM125/40 (NON THRU BORE)
  • Page 31 “GENERAL INSTRUCTIONS FOR INSTALLATION, OPERATION AND MAINTENANCE OF KIRLOSKAR CENTRIFUGAL PUMPS.” which is also printed along with this booklet -must be followed carefully. 2.1 The sealing connection piping to the pump stuffing box must be made after installing and before commissioning the pump.
  • Page 32 3. OPERATION: 3.1 Before starting the pump check the following: 3.1.1. The pump rotates freely by hand. 3.1.2. Sealing/flushing connection provided is properly tightened and adjusted. 3.1.3. Fill in the grease for bearings, if not done earlier. 3.1.4. The direction of rotation of motor corresponds to the direction of rotation of the pump.
  • Page 33 3.4 During stopping the pump: 3.4.1 Close the valve on delivery side. 3.4.2 Stop the motor. 3.4.3 If the pump is not required to be operated for a long time, then drain the casing completely. 4. TECHNICAL DATA: 4.1 Direction of rotation The standard direction of rotation is clockwise when viewed from driving end.
  • Page 34 Following grades of grease of their equivalents available in the market are suitable for bearing lubrication. INDIAN OIL SERVOGEM- 3 HINDUSTAN PETROLEUM NATRA- 3 OR LITHON – 3 CALTEX STARFAK- 3 4.5 Stuffing box 4.5.1 Stuffing box – The stuffing boxes are extra deep to reduce the leakage. 4.5.2 Stuffing box sealing –...
  • Page 35 4.5.7 Technical data chart. • Position of lantern ring from Impeller side(NDE side): 2+L+3 (for gland packing pumps)
  • Page 36 5. MAINTENANCE: Preventive maintenance schedule is the periodical checks and precautions by which failures and breakdowns are made very remote. 5.1 Daily Checks 5.1.1 Pressure gauge reading. 5.1.2 Bearing temperature. 5.1.3 Leakage through stuffing box 5.1.4 Noise and vibration. 5.1.5 Voltage and current. 5.2 Periodical Maintenance 5.2.1 Replenish the grease.
  • Page 37 6.1.7 Remove the bearing lock nut (336) and lock washer (415) from the NDE side of the shaft. By using bearing puller remove the bearings from the shaft. Remove the driving end bearing in the same manner. 6.1.8 Remove shoulder rings & bearing cover (271) in the same manner. Remove the liquid deflectors (236).
  • Page 38 6.2.9 Place the bearing cartridge over the bearings and tighten up with the lower half casing (123).Apply same procedure to the DE end side. 6.2.10 Place the cylindrical pins (used to locate the wear ring) in their respective holes. Install casing gasket (519) with a light coat grease on both gasket surfaces. Carefully align the inner edge of the gasket with the insert “O”...
  • Page 39 6.3 Dismantling Procedure for mechanical seal pumps. 6.3.1 Drain the pump by opening air vent valve & drain plugs. 6.3.2 Remove all the screws of bearing cap (274) tightened with lower half casing (123). 6.3.3 Loose the DE & NDE side mechanical seal cover (204) which are tightened with Lower &...
  • Page 40 6.4 Assembly Procedure for mechanical seal pumps 6.4.1 Check the “O” rings of impeller’s for cut or flows, discard if faulty, lubricate and roll the “O” ring in groove. 6.4.2 Wipe over the shaft (180) with clean light oil. 6.4.3 Place the impeller key (320) into the keyway and interstage ring (204). 6.4.4 Check the 1st &...
  • Page 41 6.4.5 Place the sleeves (310) onto the shaft DE and NDE and using the DE sleeve lock nut (334) tight the DE sleeves against the impeller hub. After fixing the DE sleeve locate the NDE sleeve with sleeve nut (334). Slide the casing rings (190) onto the impellers. 6.4.6 Place the mechanical seal’s backing cover &...
  • Page 42 6.4.20 Rotate the shaft by hand to assure smooth turning and that is free from rubbing or binding. CROSS SECTIONAL DRAWINGS : 7.2.1 NON THRU BORE TYPE PUMP (Gland packing type): 7.2.2 THRU NON-THRU BORE TYPE PUMP:...
  • Page 43 7.1.2 NON THRU BORE TYPE PUMP (Mechanical seal type):...
  • Page 44 7.1.3. SPARE PART LIST 7.1.3.1 Common components for gland packed pumps & mechanical seal pump PART NO DESCRIPTION CASING HALF UPPER CASING HALF LOWER 157* IMPELLER I STAGE 158* IMPELLER II STAGE 180* PUMP SHAFT 190* WEAR RING SHOULDER RING INTERSTAGE RING 236* LIQUID DEFLECTOR...
  • Page 45 PART NO DESCRIPTION PIPE PLUG FOR SEALING PIPE PLUG FOR STUFFING BOX 610.2* CYLINDRICAL PIN FOR INTER STG DIAPHRAGM 610.1* CYLINDRICAL PIN FOR WEARING RING. TAPER PIN FOR T/B CASING RIVET TB NAME PLATE. HEX.SOCKET GRUB SCREW DUTY NAME PLATE STUD FOR SPLIT OR NON-SPLIT GLAND 7.1.3.2 Component for Gland packed pumps PART NO...
  • Page 55 INSTRUCTIONS ON INSTALLATION OPERATION AND MAINTENANCE FOR KIRLOSKAR MULTISTAGE PUMP TYPE DSM (THRU BORE) DSM 50/20 DSM 65/20 DSM 50/28 DSM 65/32 A/B DSM 80/36 KIRLOSKAR BROTHERS LIMITED UDYOG BHAVAN, TILAK ROAD, PUNE - 411 002...
  • Page 56 KIRLOSKAR BROTHERS LIMITED Udyog Bhavan, Tilak Road, Pune 411 002 (India) WARRANTY We warrant that the pump supplied by us is free from defective material and faulty workmanship. This warranty holds good for a period of 12 months from the date of commissioning of the equipment or 18 months from the date of despatch from our factory, whichever is earlier.
  • Page 57 CONTENTS GENERAL INSTALLATION OPERATION TECHNICAL DATA MAINTENANCE OVERHAULING SPARE PARTS LIST AND CROSS-SECTIONAL DRAWINGS Please furnish complete nameplate details, name of the parts, part nos. And material of construction while ordering spare parts for the pumps. CAUTION THIS INSTRUCTION MANUAL COVERS THE GENERAL REQUIREMENT OF INSTALLATION, OPERATION AND MAINTENANCE.
  • Page 58 “GENERAL INSTRUCTIONS FOR INSTALLATION, OPERATION AND MAINTENANCE OF KIRLOSKAR CENTRIFUGAL PUMPS.” which is also printed along with this booklet -must be followed carefully. The sealing connection piping to the pump stuffing box must be made after installing and before commissioning the pump.
  • Page 59 Starting the pump 3.2.1 Start the pump. Let the prime mover pick up its full speed. 3.2.2 Open the valve on delivery side slowly. 3.2.3 Open the cock for pressure gauge connection. During running the pump 3.3.1 The pump is running smoothly. 3.3.2 The flow of sealing water is uninterrupted.
  • Page 60 Lubrication 4.4.1 Type of lubricant – The bearings are grease lubricated. 4.4.2 Quantity of grease – Please refer to Technical Data chart. (4.5.7) 4.4.3 Refilling period – After 1000 hours of running. 4.4.4 Bearing temperature – The permissible bearing temperature rise is 40°C above ambient temperature 4.4.5 Grades of recommended grease-...
  • Page 61 4.5.7 Technical data Chart PUMP TYPE “DSM” ----------------> 50/20 65/20 50/28 65/32 A/B 80/36 FLANGE SIZE IN MM 50 x 80 65 x 100 50 x 65 65 x 80 80 x 100 DEL. x SUC. BALL BEARING NO. SKF OR EQUIV. DRIVING END 6307 6309...
  • Page 62 MAINTENANCE: Preventive maintenance schedule is the periodical checks and precautions by which failures and breakdowns are made very remote. Daily Checks 5.1.1 Pressure gauge reading. 5.1.2 Bearing temperature. 5.1.3 Leakage through stuffing box. 5.1.4 Noise and vibration. 5.1.5 Voltage and current. Periodical Maintenance 5.2.1 Replenish the grease.
  • Page 63 6.1.9 Remove gland nuts (582) and washers (624) from each gland, slide the inserts (979.1 and 979.2) off the shaft. 6.1.10 Remove the gland packings (430) and the lantern ring 9227) from the NDE side insert. 6.1.11 Remove the two casing rings (190) from the impellers (157 and 158). 6.1.12 First unscrew the impeller nuts (586).
  • Page 64 6.2.13 At the coupling end heat the bearing (260) to approximately 100°C (212° F) using the bearing oil bath. 6.2.14 Slide the heated bearing onto the shaft to abut shoulder ring (199) coupling end. 6.2.15 Cool the bearing to room temperature and coat both sides with about 40 grams of recommended grease.
  • Page 65 PART DESCRIPTION NO. OF NOS. PUMP Bolts with nuts for 274 Bolts for upper and lower half casing 1 set Nuts for Lower half casing 1 set Hex screw for bearing cover 611* Taper pin with washes and nuts for lower and upper half casing 610* Cylindrical pin...
  • Page 66 CROSS SECTIONAL ASSEMBLY OF DSM 50-28 PUMP CW (THRU BORE TYPE PUMP) DSM 65 32A/B DRG.NO. TC 172-90-003-0 IOM/DSMT/0010/01 Issue Date: 13/10/2000 Page : Page 11/14 Last Revision Date:...
  • Page 67 CROSS SECTIONAL ASSEMBLY OF DSM 80-36 PUMP CW (THRU BORE TYPE PUMP) DRG.NO. TC 172-90005.0 IOM/DSMT/0010/01 Issue Date: 13/10/2000 Page : Page 12/14 Last Revision Date:...
  • Page 68 CROSS SECTIONAL ASSEMBLY OF DSM 50-20 PUMP CW (THRU BORE TYPE PUMP) DRG.NO. TC 172-86 024 0 IOM/DSMT/0010/01 Issue Date: 13/10/2000 Page : Page 13/14 Last Revision Date:...
  • Page 69 CROSS SECTIONAL ASSEMBLY OF DSM 65-20 PUMP CW DRG.NO. TC 172-86-025-1 IOM/DSMT/0010/01 Issue Date: 13/10/2000 Page : Page 14/14 Last Revision Date:...
  • Page 70 GENERAL INFORMATION & SAFETY REQUIREMENTS The products supplied by KBL have been designed with safety in mind. Where hazards cannot be eliminated, the risk has been minimised by the use of guards and other design features. Some hazards cannot be guarded against and the instructions below MUST BE COMPLIED WITH for safe operation.
  • Page 71 Do not place fingers or hands etc. into the suction or discharge pipe outlets and do not touch the impeller, if rotated this may cause severe injury. To prevent ingress of any objects, retain the protection covers or packaging in place until removal is necessary for installation.
  • Page 72 SAFETY INSTRUCTIONS WHILE MAINTENANCE & SERVICING Before attempting any maintenance on a pump particularly if it has been handling any form of hazardous liquid, it should be ensured that the unit is safe to work on. The pump must be flushed thoroughly with suitable cleaner to purge away any of the product left in the pump components.
  • Page 73 CONCENTRIC TAPER PIECE ECCENTRIC TAPER PIECE INSTRUCTIONS INSTALLATION OPERATION & MAINTENANCE OF KIRLOSKAR CENTRIFUGAL REDUCED SUCTION PIPE INCREASED SUCTION PIPE PUMPS SHORT BEND LONG BEND INSUFFICIENT SUFFICIENT SPACE AROUND SPACE AROUND FOOT VALVE FOOT VALVE ® Registered users – Kirloskar Brothers Ltd.
  • Page 74 GENERAL INSTRUCTIONS FOR INSTALLATION, OPERATION & MAINTENANCE OF KIRLOSKAR CENTRIFUGAL PUMPS WARNING The equipment supplied is designed for specific capacity, speed, pressure and temperature. Do not use the equipment beyond the capacities for which it is manufactured. The equipment manufactured is also shop tested for the satisfactory performance and if it is operated is excess of the conditions for which it is manufactured, the equipment will be subject to excessive stresses and strains.
  • Page 75 MEASURING 1 Tank under Vacuum WEDGE 2 Vacuum equalizing line 3 Valve 4 Line supplying the seeling liquid 5 Valve 6 Connecting line 7 Valve STRAIGHT EDGE Figure 2 A check for parallel alignment is made by placing a straight-edge across both coupling periphery at the top, bottom and both the sides.
  • Page 76 FOOT VALVE It is advisable to install a foot valve to facilitate priming. The foot valve should have sufficient clear passage for water. Care must be taken to prevent foreign matter from being drawn into the pump or choking the foot valve and for this purpose an efficient strainer should be provided. STUFFING BOXES AND PACKING Stuffing boxes should be carefully cleaned and the packing placed in them.
  • Page 77 PUMP TROUBLE When investigating trouble with Kirloskar pumps, always remember that pumps have been tested at the factory and are mechanically correct when sent out. Discounting the possibility of damage during transit, most of the trouble in the field is due to faulty installation.
  • Page 78 CHECK POINTS 1. Suction pipe, foot valve choked. 29. Packing not suitable for operating conditions. 2. Nominal diameter of suction line too small. 30. Shaft sleeve worn in the region of the packing. 3. Suction pipe not sufficiently submerged. 31. Bearing worn out. 4.
  • Page 79 INSTRUCTIONS ON INSTALLATION OPERATION AND MAINTENANCE FOR KIRLOSKAR PUMP TYPE DSM (THRU BORE) DSM 100-36/DSM 125-40/DSM 150-46 KIRLOSKAR BROTHERS LIMITED UDYOG BHAVAN, TILAK ROAD, PUNE - 411 002...
  • Page 80 KIRLOSKAR BROTHERS LIMITED Udyog Bhavan, Tilak Road, Pune 411 002 (India) WARRANTY We warrant that the pump supplied by us is free from defective material and faulty workmanship. This warranty holds good for a period of 12 months from the date of commissioning of the equipment or 18 months from the date of despatch from our factory, whichever is earlier.
  • Page 81 CONTENTS GENERAL INSTALLATION OPERATION TECHNICAL DATA MAINTENANCE OVERHAULING SPARE PARTS LIST AND CROSS-SECTIONAL DRAWINGS Please furnish complete nameplate details, name of the parts, part nos. And material of construction while ordering spare parts for the pumps. CAUTION THIS INSTRUCTION MANUAL COVERS THE GENERAL REQUIREMENT OF INSTALLATION;...
  • Page 82 “GENERAL INSTRUCTIONS FOR INSTALLATION, OPERATION AND MAINTENANCE OF KIRLOSKAR CENTRIFUGAL PUMPS.” which is also printed alongwith this booklet must be followed carefully. The sealing connection piping to the pump stuffing box must be made after installing and before commissioning the pump.
  • Page 83 During running the pump 3.3.1 The pump is running smoothly. 3.3.2 The flow of sealing water is uninterrupted. Leakage through stuffing box is normal. This is required for cooling of Stuffing box/ 3.3.3 Gland packing. 3.3.4 The bearings are not getting heated up excessively. 3.3.5 Head and capacity developed by the pump is as specified.
  • Page 84 4.4.5 Grades of recommended grease- Following grades of grease of their equivalents available in the market are suitable for bearing lubrication. INDIAN OIL - SERVOGEM- 3 HINDUSTAN PETROLEUM - NATRA- 3 OR LITHON – 3 CALTEX - STARFAK- 3 Stuffing box 4.5.1 Stuffing box –...
  • Page 85 4.5.7 Technical data Chart PUMP TYPE 100/36 125/40 150/46 “DSM” ----------------> FLANGE SIZE IN MM 100 x 125 125 x 150 150 x 200 DEL. x SUC. BALL BEARING NO. SKF OR EQUIV. DRIVING END 6307 6309 N311 NON DRIVING END 3307 3309 2 x 7310 BG...
  • Page 86 MAINTENANCE: Preventive maintenance schedule is the periodical checks and precautions by which possibilities of failures and breakdowns are made very remote. Daily Checks 5.1.1 Pressure gauge reading. 5.1.2 Bearing temperature. 5.1.3 Leakage through stuffing box. 5.1.4 Noise and vibration. 5.1.5 Voltage and current.
  • Page 87 Upper half casing should be removed slowly so that impellers and other parts are not damaged. By removing upper half casing, the complete rotating unit is exposed for inspection and repairs. 6.2.4 Loosen the bolts and nuts (573) holding the bearing cap to the lower half casing (122).
  • Page 88 6.4.2 Start the reassembly for non-driving end.  Insert the casing ring, NDE (190).  Insert the shaft sleeve (310).  Insert the bearing cover, NDE (271).  Press the NDE bearing on the shaft.  Tighten the bearing nuts. Put appropriate quantity of grease to the bearings. ...
  • Page 89 6.4.9 Insert the lantern ring at non-driving end side at a position indicated in technical data chart (e.g. 2+L+3). 6.4.10 Fix gland (229) on the shaft. Tighten the stuffing box packing by tightening the gland nuts (300). While tightening the glands, please see that the unit can be rotated by hand. 6.4.11 Connect the Nylon pipes for sealing connection.
  • Page 90 PART DESCRIPTION NO. OF NOS. PUMP Bolts with nuts for 274 Bolts with nuts for upper and &581 Lower half casing Hex screw for bearing cover Taper pin with washes and nuts for lower and upper half casing Cylindrical pin Drain plug for casing Plug for Suc.
  • Page 91 Drg. No. TC 172890060 CROSS SECTION ASSEMBLY OF NEW DSM (CW) NON THRU BORE PUMP DSM 100-36, DSM 125-40, DSM 150-46 IOM/DSMT/001/01 Issue Date: 13/10/2000 Page : Page 12/12 Last Revision Date:...
  • Page 92 GENERAL INFORMATION & SAFETY REQUIREMENTS The products supplied by KBL have been designed with safety in mind. Where hazards cannot be eliminated, the risk has been minimised by the use of guards and other design features. Some hazards cannot be guarded against and the instructions below MUST BE COMPLIED WITH for safe operation.
  • Page 93 Do not place fingers or hands etc. into the suction or discharge pipe outlets and do not touch the impeller, if rotated this may cause severe injury. To prevent ingress of any objects, retain the protection covers or packaging in place until removal is necessary for installation.
  • Page 94 SAFETY INSTRUCTIONS WHILE MAINTENANCE & SERVICING Before attempting any maintenance on a pump particularly if it has been handling any form of hazardous liquid, it should be ensured that the unit is safe to work on. The pump must be flushed thoroughly with suitable cleaner to purge away any of the product left in the pump components.
  • Page 95 CONCENTRIC TAPER PIECE ECCENTRIC TAPER PIECE INSTRUCTIONS INSTALLATION OPERATION & MAINTENANCE OF KIRLOSKAR CENTRIFUGAL REDUCED SUCTION PIPE INCREASED SUCTION PIPE PUMPS SHORT BEND LONG BEND INSUFFICIENT SUFFICIENT SPACE AROUND SPACE AROUND FOOT VALVE FOOT VALVE ® Registered users – Kirloskar Brothers Ltd.
  • Page 96 GENERAL INSTRUCTIONS FOR INSTALLATION, OPERATION & MAINTENANCE OF KIRLOSKAR CENTRIFUGAL PUMPS WARNING The equipment supplied is designed for specific capacity, speed, pressure and temperature. Do not use the equipment beyond the capacities for which it is manufactured. The equipment manufactured is also shop tested for the satisfactory performance and if it is operated is excess of the conditions for which it is manufactured, the equipment will be subject to excessive stresses and strains.
  • Page 97 MEASURING 1 Tank under Vacuum WEDGE 2 Vacuum equalizing line 3 Valve 4 Line supplying the seeling liquid 5 Valve 6 Connecting line 7 Valve STRAIGHT EDGE Figure 2 A check for parallel alignment is made by placing a straight-edge across both coupling periphery at the top, bottom and both the sides.
  • Page 98 FOOT VALVE It is advisable to install a foot valve to facilitate priming. The foot valve should have sufficient clear passage for water. Care must be taken to prevent foreign matter from being drawn into the pump or choking the foot valve and for this purpose an efficient strainer should be provided. STUFFING BOXES AND PACKING Stuffing boxes should be carefully cleaned and the packing placed in them.
  • Page 99 PUMP TROUBLE When investigating trouble with Kirloskar pumps, always remember that pumps have been tested at the factory and are mechanically correct when sent out. Discounting the possibility of damage during transit, most of the trouble in the field is due to faulty installation.
  • Page 100 CHECK POINTS 1. Suction pipe, foot valve choked. 29. Packing not suitable for operating conditions. 2. Nominal diameter of suction line too small. 30. Shaft sleeve worn in the region of the packing. 3. Suction pipe not sufficiently submerged. 31. Bearing worn out. 4.
  • Page 101 KIRLOSKAR BROTHERS LIMITED A Kirloskar Group Company Established 1888 GLOBAL HEADQUARTERS “Yamuna”, S. No. 98/3 to 7, Baner, Pune – 411045, India Phone:+91-20-27214444 Email: kblin@kbl.co.in REGISTERED OFFICE Udyog Bhavan, Tilak Road, Pune – 411002, India Phone: +91-20-24440156 Fax: +91-24440156 GLOBAL PRESENCE Cambodia │...

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