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PRODUCT SERVICE MANUAL

FOR

E12L SERIES PUMPS

WARNING

The Imo General Installation, Operation, Maintenance, and Troubleshooting
Manual, (No. SRM00046), along with this manual and all other component
manuals supplied with these type units should be read thoroughly prior to pump
installation, start-up, operation, maintenance, or troubleshooting.

Manual No.

SRM00055

Rev. 06 (20-0051)

February 2020

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Содержание IMO E12L Series

Страница 1: ...on Maintenance and Troubleshooting Manual No SRM00046 along with this manual and all other component manuals supplied with these type units should be read thoroughly prior to pump installation start up operation maintenance or troubleshooting Manual No SRM00055 Rev 06 20 0051 February 2020 ...

Страница 2: ...s can be done by removing seal vent set screw and pouring liquid into vent passageway before opening pump inlet Alternately seal chamber can be vented in situations where inlet pressure is above atmospheric by opening inlet and discharge valves and then loosening seal vent plug to allow positive inlet pressure to push air out of seal chamber until oil flows from it See figure below Filling or Vent...

Страница 3: ...fect safety for persons Safety instructions where electrical safety is involved are identified by Safety instructions which shall be considered for reasons of safe operation of pump and or protection of pump itself are marked by the sign ATTENTION ATTENTION If operation of pump is critical to your business we strongly recommend you keep a spare pump or major repair kit in stock at all times As a m...

Страница 4: ...by Imo Pump is to become part of processing machinery these instructions should be thoroughly reviewed to ensure proper fit of said equipment into overall plant operational procedures WARNING If installation operation and maintenance instructions are not correctly and strictly followed and observed injury to personnel or serious damage to pump could result Imo Pump cannot accept responsibility for...

Страница 5: ... T Carbide Seal Seat F Foot Mounted E ORDERING INSTRUCTIONS When corresponding with Imo Pump regarding Series E12L pumps refer to the pump nameplate this instruction manual and the assembly drawing as instructed below 1 From pump nameplate record the pump model number serial number and manufactured date 2 Record instruction manual number revision and date 3 From the instruction manual record the f...

Страница 6: ...rmal Pump Operating and Structural Limits MAXIMUM SPEED Rotor sizes 118 thru 156 4400 RPM Rotor size 187 thru 200 3600 RPM VISCOSITY 45 SSU 5 8 cSt Minimum 3000 SSU 650 cSt Maximum NOTE Consult factory for allowable operating viscosities at specific speeds and pressures DO NOT alter design viscosity without prior consultation with Imo Pump MINIMUM MAXIMUM LIQUID TEMPERATURE 0 to 250F 18 to 121C MA...

Страница 7: ...Screw s SEE NOTE 65 1 Spacer 19 5 O ring s X 66 1 Truarc Ring XX 20 5 Plug s 66 2 Cap Screw s XX 21 1 Inlet Head 67 2 Idler Rotor s XX 22 1 Plug 70 1 O ring X 23 1 Power Rotor XX 71 1 Set Screw Cup 24 1 Seal X 72 3 Drive Screw s 25 1 Truarc Ring s X 74 1 LOCTITE X 27 1 Key 75 4 Idler Rotor s XX 28 1 Ball Bearing X Nameplate Module 29 1 Retainer X Minor Repair Kit Items XX Major Repair Kit Items It...

Страница 8: ... service mechanical seal and ball bearings ONLY perform H 3 Steps 1 5 and H 4 Steps 3 4 7 and 8 ONLY H 4 Before starting pump disassembly perform the following a De energize driver b Close all inlet and outlet valves c Vent pressure from pump and drain pumping liquid d Remove cap screws and lock washers from inlet and outlet flange fittings e Remove any O rings from inlet and outlet flange grooves...

Страница 9: ...1 Re move O rings 13 19 from grooves in case 1 H 7 Remove Idler Rotors and Bearing Retainer Remove idler rotors 67 75 33 from bores of rotor housings 3 4 by rotating power rotor in the opposite direction of normal rotation This will unscrew and release the idler rotors from the power rotor NOTE Do not permit the idler rotors to drop as they emerge from housing 3 Remove hex bolts 30 and bearing ret...

Страница 10: ...ng 70 from groove of inboard cover 12 Remove O ring 7 and back up ring 66 from groove of inboard cover 12 b For rotor sizes 118 to 156 Remove Truarc ring 66 from groove of inboard cover 12 c For rotor sizes 187 and 200 Remove cap screws 66 from stop 17 d Remove stop 17 and balance piston bushing 15 from inboard cover 12 Remove O rings 19 from grooves of case 1 For rotor sizes 137 to 200 Remove spa...

Страница 11: ...ug into bore in top of case 1 I 3 Assemble and Install Inboard Cover Discharge Side For Rotor sizes 137 to 200 Install spacer 16 in case 1 For rotor sizes 137 and 187 Install spacer 65 in case 1 Install back up ring 6 and O ring 7 in groove of inboard cover 12 Install balance piston bushing 15 and stop 17 on inboard cover 12 NOTE Back up ring should be installed toward inboard end discharge side o...

Страница 12: ...er 12 I 5 Install Power Rotor Discharge Side Install power rotor 23 into inboard cover 12 and pump case 1 Center each part as it enters the inboard cover 12 Install retainer 29 and bolts 30 Torque bolts to 25 2 lb ft 33 9 2 7 Nm I 6 Install Idler Rotors Suction Side a Install idlers 33 75 and 67 into idler bores of housings 3 4 from outboard end of pump Mesh idlers with threads of power rotor and ...

Страница 13: ...n Maintenance and Troubleshooting Manual No SRM00046 K FIELD AND FACTORY SERVICE AND PARTS Imo Pump maintains a staff of trained service personnel that can provide pump installation pump start up maintenance overhaul and troubleshooting supervision as well as installation and maintenance training Our factories provide maintenance as well as overhaul and test facilities in the event the user prefer...

Страница 14: ...CAUTION ARROW TO LINE UP WITH EYEBOLTS FIGURE 3 PUMP ASSEMBLY ROTOR SIZE 118 Page 11 ...

Страница 15: ...FIGURE 4 PUMP ASSEMBLY ROTOR SIZES 137 156 CAUTION ARROW TO LINE UP WITH EYEBOLTS Page 12 ...

Страница 16: ...CAUTION ARROW TO LINE UP WITH EYEBOLTS FIGURE 5 PUMP ASSEMBLY ROTOR SIZES 187 200 Page 13 ...

Страница 17: ...CIRCOR 1710 Airport Road PO Box 5020 Monroe NC USA 28111 5020 Tel 1 877 853 7867 Email cc circor com Web www circorpt com 2020 CIRCOR Pumps North America LLC All rights reserved ...

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