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Installation

BEFORE COMMENCING ANY WORK, READ THIS INSTRUCTION CAREFULLY!

Design limitations and technical data for each pump are found in the 

Product description.

 

Installation of an IMO AB ACE pump does not require special skills. However, these instructions presume that the work is carried out by 

experienced fitters.

 1

  Failure to comply with these instrutions     

 may cause damage and personal injury! 

 2

 The installation must always be designed 

to minimise damage, should an 

operational or functional failure occur. 

E.g. precautions should be considered to 

collect oil spillage due to a broken pipe or 

pump housing, to stop pump operation if 

overheating should occur or if the oil vol­

ume is below a minimum tank level

Fig 1 Clean and dry environment

Fig 2 Lifting of pump

 3

When fitting the shaft coupling, do not use a 

hammer or similar as this may damage the 

ball bearing and shaft seal.  

Use some kind of press tool.

 4

When handling liquids that may harm skin 

use gloves and/or protective clothing.  

 5

When handling liquids which may involve 

fire hazards appropriate precautions to 

avoid danger are to be taken.

Transport and storage

Always protect the pump against ingress of water 

and other impurities. Store the pump in a clean, dry 

and warm environment. The pump is delivered with 

the internals oiled and with protective covers over the 

pipe connections and drain openings. These covers 

should remain in place for as long as possible during 

the mounting and installation procedure but must be 

removed before start up.

 6

All work carried out on the pump has to be 

performed in such a manner that risks for 

personal injury are minimized!

Lifting of pump

 7

The pump should be lifted with straps se­

curely attached to the pump or pump unit, 

so that the center of gravity is located 

between the straps in order to avoid 

tipping of the pump.

Lifting of the complete pump unit with the lifting device 

attached to the motor, should be avoided as the motor's 

lifting provisions may not be able to carry the combined 

weight of the pump and motor. 

8

 

 Lifting a complete pump unit, using 

slings or hooks attached to the pump or 

connecting frame may be dangerous since 

the centre of gravity of the pump unit may 

be higher than the points of attachments. 

Summary of Contents for IMO OptiLine ACE3

Page 1: ...OACE3 0601 04 en GB ID No 176 622 0 OptiLine ACE3 Maintenance Start up Instruction Screw pump...

Page 2: ...r pump unit itself are marked by this sign Contents Installation 3 Transport and storage 3 Lifting of pump 3 Pipe connections 4 Suction line 4 Discharge line 4 Deaeration 4 Strainer 5 Liquid trap 5 Ga...

Page 3: ...clothing 5 When handling liquids which may involve fire hazards appropriate precautions to avoid danger are to be taken Transport and storage Always protect the pump against ingress of water and othe...

Page 4: ...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 These recomme...

Page 5: ...should be selected so that it is large enough to allow adequate pressure at the pump inlet The pressure drop across the strainer should preferably not exceed 0 1 bar at max flow rate and nor mal opera...

Page 6: ...out 3 minutes 80 by pass generally for unlimited periods of time If more than 50 recirculation is anticipated a value specific to each application should be determined by closely monitoring the pump b...

Page 7: ...d suction lines The first time the pump should be started with the ad justing spindle of the pressure relief valve tightened to half of the available turns the valve setting is increased when the spin...

Page 8: ...res sure Flow too low The pressure relief valve is set too low Discharge pressure also low Readjust the pressure relief valve Something is restricting the flow in the suction line This would usually c...

Page 9: ...to normal pressure Motor is undersized for the prevailing conditions Check the motor Electrical power supply faulty Check the motor and motor connection Motor overload relay set too low or is faulty...

Page 10: ...tor 1 x x G098 Compl magnetic coupling 105 Nozzle 1 x x 3 112 Balancing piston 1 x x 3 113 Key 1 x x 122 Ball bearing 1 x x 124 Retaining ring 1 x x 124A Support washer 1 x x 202 Idler rotor 2 x x 351...

Page 11: ...kit D lead 193065 K lead 192252 L lead 192248 192250 N lead 192249 192251 192253 G057 Joint kit 192260 192261 192262 G070 Valve element 189873 189873 189873 G098 Magnetic coupling K 192254 192254 L 19...

Page 12: ...OACE3 0601 04 en GB ID No 176 622 0 www imo se 12 Sectional view...

Page 13: ...Wear will normally show as unnormal Vibration Noise Loss of capacity Reduction in flow pressure 19 If the pumps operating temperature exceeds 60 C let the pump cool off before any service maintenance...

Page 14: ...s 701 and wash ers 701A Useful tools Magnetic coupling A Puller B Screw spanner 16 mm C Plastic mallet D Allen keys 3 mm 5 mm E Mounting sleeve D 25 5 mm F Screw driver G Plier H Guide pins I Oil can...

Page 15: ...imo se 15 4 Dismount the pump Be careful with the mag netic force the first 5 cm 6 Remove the Sealing can S 3 Mount guide pins H 5 Dismount can screws R using the Allen key non magnetc 7 Remove the o...

Page 16: ...0 and o ring 520A 11 Remove cover screws 451 and dismount front cover 5010 and gasket 506 9 Lift cover 520 Not valid for size 038 8 Remove the inner magnetic rotor U 12 Remove power rotor 1020 and idl...

Page 17: ...ic rotor Q Do not use spanner inside magnetic rotor 15 Release spring tension by turning valve spin dle 608 CCW as much as possible Loosen and remove screws 453 Separate the valve element from the rea...

Page 18: ...2A and screws 702 2 Place the outer magnetic rotor Q on the drive hub N 1 Attach the drive hub 998 using washer 998A and screw 998B 5 Fit the gasket 556 in place and fit the valve elements thin end 60...

Page 19: ...ling cup S and tighten all screws R 8 Place gasket 506 and front cover 5010 and tighten screws 451 7 Reinsert the idler rotors 202 and the power rotor 1020 into the pump 11 Fasten the guide pins H bef...

Page 20: ...OACE3 0601 04 en GB ID No 176 622 0 Adress IMO AB PO Box 42090 126 14 Stockholm Sweden...

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