Desmi ESLH/-17 Operation And Maintenance Instructions Download Page 7 | Manualshive

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Desmi ESLH/-17 Operation And Maintenance Instructions Download Page 7

_______________________________________________________________________________

DESMI Pumping Technology A/S

7

Tagholm 1
9400 Nørresundby

–

Denmark

Tel: +45 96 32 81 11 Fax: +45 98 17 54 99
E-mail:

[email protected]

5.1.2 DISMANTLING REAR COVER AND IMPELLER

Unscrews the set screws (37)

Unscrew the nut & washer (22, 51 & 52 )

Remove rear cover unit.

Remove the cap nut (24) & washer (23)

Remove the impeller (5) and O-ring (3)

5.1.3 DISMANTLING SHAFT SEAL & BEARING

37

51 & 52

22

24

23

5

3

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Summary of Contents for ESLH/-17

Page 1: ...suction centrifugal pump ESLH 17 DESMI Pumping Technology A S Tagholm l DK 9400 N rresundby Denmark Tel 45 96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com Internet www desmi com Manual T1539 Lan...

Page 2: ...SEAL BEARING 7 5 3 INSPECTION 9 6 ASSEMBLING 10 6 1 FITTING CARBON BEARING AND VORTEX BREAKER 10 6 2 FITTING SHAFT WITH BEARINGS 10 6 3 FITTING SHAFT SEAL 10 6 4 FITTING BEARING HOUSE 11 6 5 FITTING...

Page 3: ...um suction pressure pump size speed current shaft seal and maximum ambient temperature make it possible Max operating pressure and speed ranges are specified in operational data If the pump is to be u...

Page 4: ...type supplied as the noise from the pump can be calculated as the noise level of the motor 2dB A The noise level is for pumps with electric motors The capacity of the pump appears from the name plate...

Page 5: ...d At installations pumping hot or very cold liquids the operator must be aware that it is dangerous to touch the pump surface and consequently he must take the necessary safety measures 3 2 WIRING Wir...

Page 6: ...ping system If the pump has been pumping dangerous liquids you are to be aware of this and take the necessary safety measures If the pump has been pumping hot liquids take great care that it is draine...

Page 7: ...9400 N rresundby Denmark Tel 45 96 32 81 11 Fax 45 98 17 54 99 E mail desmi desmi com 5 1 2 DISMANTLING REAR COVER AND IMPELLER Unscrews the set screws 37 Unscrew the nut washer 22 51 52 Remove rear c...

Page 8: ...ax 45 98 17 54 99 E mail desmi desmi com Remove the impeller key 19 Unscrew nut washer 16 18 50 Lift the bearing with bearing housing Unscrew the mechanical point screw and remove the mechanical seal...

Page 9: ...earing 13 grease valve ring 14 and orifice ring 31 Unscrew the counter sunk allen screws 48 the carbon bearing 4 5 3 INSPECTION When the pump has been dismantled check the following parts for wear and...

Page 10: ...e the inner surface of the slide ring rubber bellows with soapy water and push it over the shaft The use of a conical fitting bush as shown on the assembly drawing is recommended to avoid that the rub...

Page 11: ...shaft and lead the impeller towards the shoulder of the shaft Secure the impeller 5 with washers 23 and Domed cap nut 24 6 6 FITTING REAR COVER Place the O ring 3 between pump casing and rear cover 7...

Page 12: ...pump has been drained ATTENTION For safety reasons the pump is only allowed to operate against closed discharge valve for a short time max 5 minutes and at a max temperature of 180 C Otherwise there...

Page 13: ...ecessary to check either the quantity of liquid delivered or the power consumption of the pump e g by measuring the current intensity of the connected motor Together with a reading of the differential...

Page 14: ...move the liquid by dismantling the pipe plug 2 at the bottom of the pump and shaft seal chamber 12 REPAIRS 12 1 ORDERING SPARE PARTS When ordering spare parts please always state pump type serial No a...

Page 15: ...to help shaft seal get through the slide bearing rough surface area on the shaft Press the shaft seal on to the shaft until it resists Press the driving ring only Finally It has to be made sure the le...

Page 16: ...e in piping incl the pressure increase caused by the pump and number of revolutions are allowed in standard pumps Pump Max working pressure bar SG iron Max RPM ESLH25 180 16 3600 The above max operati...

Page 17: ...98 A1 2009 Pumps and pump units for liquids Common safety requirements EN12162 2001 A1 2009 Liquid pumps Safety requirements Procedure for hydrostatic testing EN 60204 1 2006 A1 2009 Safety of machine...

Page 18: ...mi desmi com 15 INFORMATION RELEVANT FOR DISASSEMBLY OR DISPOSAL AT END OF LIFE No damage materials are used in DESMI pumps please refer to DESMI Green Passport can be sent on request contact a DESMI...

Page 19: ...2 Grease nipple 52 Spring washer 5 Impeller 19 Key 33 Bearing support 53 Tee 6 Shaft 20 Bearing cover 34 Key 54 Hexagon nipple 7 Rear cover 21 Stud 35 Set screw 55 Pipe Plug 8 Vortex Break 22 Nut 36 S...

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