Danfoss iSave 21 Service Instruction Download Page 4 | Manualshive

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Service instruction

Disassembling and assembling iSave 21

4

180R9219 / 521B1171 / DKCFN.PI.003.K3.02 / 11.2013

3 .

Disassembling the

pressure exchanger

1.

Unscrew the bolts in the flange.

3.

Gently push out the flange.

2.

Screw in the two M8 bolts.

4.

Wet the shaft and shaft seal with clean

filtered water. Gently lever the shaft

assembly free using 2 screwdrivers.

5.

Unscrew the bolts in the flange.

6.

Gently remove the flange.

Note: Loose parts on the inside of the flange .

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Summary of Contents for iSave 21

Page 1: ...isave danfoss com Service instruction Disassembling and assembling iSave 21 MAKING MODERN LIVING POSSIBLE Tel 44 0 1706 869777 E mail sales desal co uk Web www desal co uk ...

Page 2: ...e iSave is serviced in conditions of absolute cleanliness For a better understanding of the iSave please see the exploded view in item 8 9 and 10 The weight of the iSave is 65 kg 143 lb and it must be lifted with suitable lifting equipment The weight of the pressure exchanger alone is 28 kg 62 lb It is essential that the iSave is serviced in conditions of absolute cleanliness To prevent cold weldi...

Page 3: ...struction Disassembling and assembling iSave 21 3 180R9219 521B1171 DKCFN PI 003 K3 02 11 2013 2 Disassembling the iSave 1 Place the iSave on a clean table 3 Remove the vane pump 2 Unscrew the bolts in the flange ...

Page 4: ...essure exchanger 1 Unscrew the bolts in the flange 3 Gently push out the flange 2 Screw in the two M8 bolts 4 Wet the shaft and shaft seal with clean filtered water Gently lever the shaft assembly free using 2 screwdrivers 5 Unscrew the bolts in the flange 6 Gently remove the flange Note Loose parts on the inside of the flange ...

Page 5: ...9 521B1171 DKCFN PI 003 K3 02 11 2013 7 Gently remove the cylinder barrel 9 Gently remove the housing Note Loose parts on the inside of the flange 8 Unscrew the bolts in the flange 10 Remove port plate and pin Pin 11 Unscrew high pressure bearing using a special socket ...

Page 6: ... valve plate assembly free with the aid of the screwdrivers 15 Gently remove both valve plates 16 Replace the O rings and the back up rings on the valve plate 4 Assembling the pressure exchanger 2 Lubricate all the bores in the cylinder barrel with grease and clean filtered water 1 Mount the new back up rings on the valve plate first and then the new O rings ...

Page 7: ...ress by hand the first valve plate onto the cylinder barrel Note don t scratch the valve plate when placing it on the plastic tube 4 Gently press by hand the second valve plate onto the cylinder barrel by placing it on the plastic tube Note don t scratch the valve plate when placing it on the plastic tube The distance must be about 4 6 mm This is not critical 5 Adjustthedistancebetweenthecylinderb...

Page 8: ...I 003 K3 02 11 2013 7 Tighten the high pressure bearing using special socket and torque wrench with 70Nm 7 6 Mount the high pressure bearing 8 Remove old O ring with a new one 9 Position the housing over the guide pin 10 Mount all bolts in the flange and tighten them all with 30Nm 3 11 ...

Page 9: ...ted in the locating hole in the port plate There are two different port plates in the iSave One of them can be mounted on both flanges in the pressure exchanger Make sure that they are assembled on the right flange 12 Location hole in port plate 14 Gently guide the cylinder barrel into the bearing in the flange 16 Wrong large center hole 15 Check the next port plate is correct Correct small center...

Page 10: ...Nm 3 Nm 20 Position the port flange over the guide pin 22 Wet the shaft seal with clean filtered water Do not use silicone grease Fit the shaft seal with the carbon surface upward 17 Position the port plate over the guide pin 19 Change the O ring in the flange and position the guide pin O ring Guide pin 18 Check that the port plate fits the center bearing and the guide pin ...

Page 11: ...ss the seal home against the shoulder by hand Be careful not to damage the carbon seal face on the shaft seal 26 Remove the old ceramic ring from the flange Position the O ring on the seal flange 27 Push the new ceramic ring into the flange using plastic tool provided Make sure the face with the rubber seal is positioned against the shoulder in the flange Before assembly wet the parts with clean f...

Page 12: ...K3 02 11 2013 1 Gently adjust the spanner wrench around the coupling and use it as back stop 3 Remove all bolts in the HP out connection flange 2 Unscrew the bolt in the middle of the coupling and remove the coupling 4 Remove the flange 5 Disassambling the vane pump 5 Remove side plate and pin ...

Page 13: ...1 13 180R9219 521B1171 DKCFN PI 003 K3 02 11 2013 7 Gently remove the rotor Note Loose parts inside the rotor 6 Side plate removed 8 Remove vanes 1 Position the guide pin 9 Gently remove side plate 2 Location hole in the side plate 6 Assembling the vane pump ...

Page 14: ...pins in the rotor 3 Position the side plate over the guide pin Note Make sure that the guide pin is located in the locating hole in the port plate See 2 5 Gently place the rotor in the bearing 7 Check that all vanes are positioned correctly 6 Position the 8 vanes in the rotor The pins may be moved by using a screwdriver ...

Page 15: ...e the O ring on the flange and wet the flange properly with clean filtered water 11 Make sure that the guide pin is located in the locating hole in the side plate See 10 13 Make sure that the guide pin is located in the location hole 12 Fit the flange into both the bearing in the flange and the location pin in the stator 8 One vane is NOT positioned correctly ...

Page 16: ...K3 02 11 2013 14 Change the O ring in the HP out connection flange 16 Fit the coupling into the pump Glue the threat on the bolt with Loctite 270 and tighten the bolt with 10 Nm 1 Nm 17 Change the two O rings in the flange 15 Bolt the flange onto the vane pump Tighten the bolt with 30 Nm 3 Nm ...

Page 17: ...Fit the steel coupling onto the shaft of the pressure exchanger 3 Orient both the steel coupling and the 2 guide holes on the vane pump to fit into the pressure exchanger 2 Fit the polymer coupling on the steel coupling 4 Mount the bolts into the flange and tighten them with 30 Nm 3 Nm 7 Assembling the iSave ...

Page 18: ...Service instruction Disassembling and assembling iSave 21 18 180R9219 521B1171 DKCFN PI 003 K3 02 11 2013 8 Exploded view vane pump ...

Page 19: ...Service instruction Disassembling and assembling iSave 21 19 180R9219 521B1171 DKCFN PI 003 K3 02 11 2013 9 Exploded view pressure exchanger ...

Page 20: ...Service instruction Disassembling and assembling iSave 21 20 180R9219 521B1171 DKCFN PI 003 K3 02 11 2013 10 Exploded view iSave ...

Page 21: ...Service instruction Disassembling and assembling iSave 21 21 180R9219 521B1171 DKCFN PI 003 K3 02 11 2013 ...

Page 22: ...s the right to alter its products without notice This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material are property of the respective companies Danfoss and the Danfoss logotype are trademarks of Danfoss A S All rights reserved Danfoss A S High Pressure ...

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