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Summary of Contents for Danfoss iSave 21
- Page 1 MAKING MODERN LIVING POSSIBLE Tel: +44 (0) 1706 869777 E‐mail: sales@desal.co.uk Service instruction Web: www.desal.co.uk Disassembling and assembling iSave 21 isave.danfoss.com...
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Page 2: Table Of Contents
Exploded view iSave ..............20 General Introduction This document covers the instructions for Tools needed for disassembling the iSave: disassembling and assembling the iSave 21. - 6 mm and 8 mm allen key - 2 screwdrivers Important: It is essential that the iSave is - 2 M8 bolts serviced in conditions of absolute cleanliness . -
Page 3: Disassembling The Isave
Service instruction Disassembling and assembling iSave 21 2 . Disassembling Place the iSave on a clean table. Unscrew the bolts in the flange. the iSave Remove the vane pump. 180R9219 / 521B1171 / DKCFN.PI.003.K3.02 / 11.2013... -
Page 4: Disassembling The Pressure Exchanger
Service instruction Disassembling and assembling iSave 21 Disassembling the Unscrew the bolts in the flange. Screw in the two M8 bolts. pressure exchanger Gently push out the flange. Wet the shaft and shaft seal with clean filtered water. Gently lever the shaft assembly free using 2 screwdrivers. - Page 5 Service instruction Disassembling and assembling iSave 21 Gently remove the cylinder barrel. Unscrew the bolts in the flange. Gently remove the housing. Remove port plate and pin. Note: Loose parts on the inside of the flange . Unscrew high-pressure bearing using a special socket.
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Page 6: Assembling The Pressure Exchanger
Service instruction Disassembling and assembling iSave 21 Remove the high-pressure bearing. Gently lift the valve plate assembly free with the aid of the screwdrivers. Gently remove both valve plates. Replace the O-rings and the back-up rings on the valve plate. - Page 7 Service instruction Disassembling and assembling iSave 21 Gently press, by hand, the first valve plate Gently press, by hand, the second valve onto the cylinder barrel. plate onto the cylinder barrel by placing it on the plastic tube. Note: don’t scratch the valve plate when Note: don’t scratch the valve plate when...
- Page 8 Service instruction Disassembling and assembling iSave 21 Mount the high-pressure bearing Tighten the high-pressure bearing using special socket and torque wrench with 70Nm±7 Remove old O-ring with a new one Position the housing over the guide pin Mount all bolts in the flange and tighten them all with 30Nm±3...
- Page 9 Service instruction Disassembling and assembling iSave 21 Fit the guide pin in the flange. Location hole in 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.
- Page 10 Service instruction Disassembling and assembling iSave 21 Position the port plate over the guide pin. Check that the port plate fits the center bearing and the guide pin. Change the O-ring in the flange and Position the port flange over the guide pin.
- Page 11 Service instruction Disassembling and assembling iSave 21 Shaft seal NOT mounted correct. Using the plastic assembly tool provided, large diameter first, press the seal home The rubber seal face must turn into the flange. against the shoulder, by hand. Be careful not to damage the carbon seal face on the shaft seal.
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Page 12: Disassambling The Vane Pump
Service instruction Disassembling and assembling iSave 21 Disassambling the Gently adjust the spanner wrench around Unscrew the bolt in the middle of the vane pump the coupling and use it as back stop. coupling and remove the coupling. Remove all bolts in the HP out connection Remove the flange. -
Page 13: Assembling The Vane Pump
Service instruction Disassembling and assembling iSave 21 Side plate removed. Gently remove the rotor. Note: Loose parts inside the rotor. Remove vanes. Gently remove side plate. Assembling the Position the guide pin. Location hole in the side plate: vane pump... - Page 14 Service instruction Disassembling and assembling iSave 21 Position the side plate over the guide pin. Place the 4 pins in the rotor. Note: Make sure that the guide pin is located in the locating hole in the port plate. See #2 Gently place the rotor in the bearing.
- Page 15 Service instruction Disassembling and assembling iSave 21 One vane is NOT positioned correctly. Replace the O-ring on the flange and wet the flange properly with clean filtered water. Position the side plate over the guide pin. Make sure that the guide pin is located in the locating hole in the side plate.
- Page 16 Service instruction Disassembling and assembling iSave 21 Change the O-ring in the HP out Bolt the flange onto the vane pump. Tighten the bolt with 30 Nm ±3 Nm. connection flange. Fit the coupling into the pump. Change the two O-rings in the flange.
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Page 17: Assembling The Isave
Service instruction Disassembling and assembling iSave 21 Assembling the Fit the steel coupling onto the shaft of the Fit the polymer coupling on the steel coupling. iSave pressure exchanger. Orient both the steel coupling and the Mount the bolts into the flange and tighten 2 guide holes on the vane pump to fit into them with 30 Nm ±3 Nm. -
Page 18: Exploded View Vane Pump
Service instruction Disassembling and assembling iSave 21 Exploded view vane pump 180R9219 / 521B1171 / DKCFN.PI.003.K3.02 / 11.2013... -
Page 19: Exploded View Pressure Exchanger
Service instruction Disassembling and assembling iSave 21 Exploded view pressure exchanger 180R9219 / 521B1171 / DKCFN.PI.003.K3.02 / 11.2013... -
Page 20: 10 . Exploded View Isave
Service instruction Disassembling and assembling iSave 21 10 . Exploded view iSave 180R9219 / 521B1171 / DKCFN.PI.003.K3.02 / 11.2013... -
Page 21: Service Instruction Disassembling And Assembling Isave
Service instruction Disassembling and assembling iSave 21 180R9219 / 521B1171 / DKCFN.PI.003.K3.02 / 11.2013... - Page 22 Denmark Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves 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.