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11

Exploded view

- 005 

702

702A

002

703

004

703A

703B

5010

701A

701

556

506

(614)

(615)

(613)

(608)

(608A)

551

(6120)

605

(501A)

463A

463

451

006A

998

998A

998B

007B

520

520A

124

124A

122

351

113

1020

202

453

462

462A

Part numbers for pump size

Item Spare Parts sets

025

032

038

G012 Rotor set D­lead

­

­

"                K-lead

­

­

192246

"                L­lead

192242

192244

­

"                N­lead

192243

192245

192247

G054 Major kit D­lead

­

­

193065

"                K-lead

­

­

192252

"                L­lead

192248

192250

­

"                N­lead

192249

192251

192253

G057 Joint kit

192260

192261

192262

G070 Valve element

189873

189873

189873

G098

Magnetic coupling K

192254

192254

­

"                L

192255

192255

192258

"                M

­

192256

192259

122

Ball bearing

173765

173765

173591

Recommendation:

For maintenance the following spare 

part sets are recommended:

Set:  To be used:

G054  Major kit

For repair after damage or greater 

wear.

G057  Joint kit

For dismantling the pump.
Ordering example: 

For IMO-pump ACE 032N3 NKBP, se

­

rial number 456789: 

Ball bearing pos 122 p/n 173765 

Valve element pos G070 p/n 189873

Ordering code

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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