IMO ACE3 Series Operating Manual Download Page 1

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Original Operating Manual

Before commencing any work, read this instruction carefully! Failure to comply with

these instructions may cause damage and personal injury!

Screw pumps

ACE3

Contents

Page

Introduction

Safety

Pump identification

Installation

Start-up

Trouble shooting

Maintenance and Service

List of components

Exploded View

Ordering code/Service intervals

Sectional view

Useful tools/Shaft seal-assembly drawing

Dismantling/Reassembly

Pressure relief valve

Product Specification Sheet

X-Cel House, Chrysalis Way, Langley Bridge, Eastwood, Nottinghamshire NG16 3RY

Tel: +44 (0) 1773 302 660 | Email: [email protected] | Website: www.northridgepumps.com

Summary of Contents for ACE3 Series

Page 1: ...allation 5 Start up 10 Trouble shooting 12 Maintenance and Service 14 List of components 14 Exploded View 15 Ordering code Service intervals 16 Sectional view 17 Useful tools Shaft seal assembly drawi...

Page 2: ...the following are not allowed Hanging pumps in the pipe Overhead installation Installation in the immediate vicinity of extreme heat or cold sources General safety instructions Observe the following r...

Page 3: ...ut off device Warranty Obtain the manufacturer s approval prior to carrying out any modifications repairs or alterations during the warranty period Only use genuine parts or parts that have been appro...

Page 4: ...alve with internal return for total pressure range 4 Valid for UCF Option A020 Pump with surface treated casing s A084 Pump with lifetime greased ball bearing A087 Pump with CCW rotation and lifetime...

Page 5: ...fastened to the top of the connecting frame Thread dimension is M 16 except for frame size 600 where it is M 20 Identification of safety instructions Non compliance of safety instructions identified...

Page 6: ...corresponds to approx 0 2 mm deviation 100 mm The coupling and alignment shall be selected not to transmit any axial or radial loads on the shaft ends IMO AB standard couplings shall have a distance...

Page 7: ...ion pipe is short straight and has a suitable diameter The velocity in the suction line should be kept in the range 0 5 1 2 m s For L O circulating systems we recommend to keep it as low as possible T...

Page 8: ...ze and hardness of the abrasive components Shaft seal drain The pump should be installed so that any leakage from the shaft seal does not become a hazard As the shaft seal has to be lubricated a small...

Page 9: ...anticipated a value specific to each application should be determined by closely monitoring the pump body temperature For flow less than 50 m3 h 100 by pass can only be tolerated for less than about 3...

Page 10: ...filled On the smaller pumps LPD ACD ACE LPE ACG UCG this is done by rotating the fan on the electric motor after removing the fan cover Do not forget to fit the motor fan cover again before making st...

Page 11: ...ter about 3 5 minutes the shaft seal must have time to cool off and run for half a minute This procedure may need to be repeated a couple of times if the suction line is extremely long Should the pump...

Page 12: ...p in the suction line is too high Major air leakage into the suction line The pump cannot evacuate the air through the discharge line due to excessive counter pressure The pump is not primed The press...

Page 13: ...charge line See above Pressure too high Readjust the pressure relief valve to a lower value Thus the power con sumption for the pumping is re lieved and overloading due to the high viscosity may be av...

Page 14: ...1 x x x x 1 201 Idler rotor 2 x x 202 Idler rotor 2 x x 351 Balancing bush 1 x x x 401 Pump body 1 416 Suction flange 1 417 Screw 8 418 Gasket to suction flange 1 x x x 423 Gasket to dis charge flang...

Page 15: ...e the floor slippery and cause personal injury Connecting and disconnecting of electric cables must be done only by personnel authorized to do such work Before any maintenance work ensure that the dri...

Page 16: ...lations where unplanned shut downs must be avoided it is advisable to dismantle the pump for a thorough inspection and thereby change out shaft seal and ball bearing every three years as a max period...

Page 17: ...Txx C C E E 463 463A Removed from August 2011 Product Specification Sheet X Cel House Chrysalis Way Langley Bridge Eastwood Nottinghamshire NG16 3RY Tel 44 0 1773 302 660 Email sales northridgepumps c...

Page 18: ...e xVxx S1 Seat S2 O ring S4 Seal ring S6 O ring S7 Spring unit S8 Stop screw Seat slot S8 S4 S6 S1 S2 S7 S8 S5 S6 S1 S2 S3 S7 S4 S4 S7 is one unit Stationary member Rotating member Tool 2 Tool 1 D 25...

Page 19: ...lease the stop screw A C Fig 8 Fig 7 ON OFF Fig 5 Turn the electricity OFF Close the valves Remove the pump from the system D Remove the front cover 501 and power rotor 1020 Fig 6 451 113 401 1020 Rem...

Page 20: ...ove the secondary seal 125 with a suitable screw driver Fig 16 H xTxx 501 501 125 Insert two suitable screw drivers in the carrier S5 slots and gently push the rotating member S4 S7 off the rotor shaf...

Page 21: ...two stop screws S8 Lubricate the O ring S6 in the rotating member with oil Press the rotating member S4 S7 gently on to the rotor shaft and make sure the driving lugs enters the slots in the carrier S...

Page 22: ...s the seat gently into the recess in the front cover 501 with a suitable tool as shown Turn the front cover 501 up side down The seat shall now remain in the cover H xTxx I 501 506 Replace the gasket...

Page 23: ...sket 556 and the O ring 605 Reassemble the parts in reverse order Be care ful to tighten the screws 453 crosswise Readjust the valve pressure according to the Installation and Start up Instruction for...

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