Danfoss iSave 50-70 Service Manual
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Danfoss iSave 50-70 Service Manual

Danfoss iSave 50-70 Service Manual

Energy recovery device, disassembling and assembling
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Service guide
Energy Recovery Device
iSave 50-70
Disassembling and assembling
hpp.danfoss.com

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Summary of Contents for Danfoss iSave 50-70

  • Page 1 Service guide Energy Recovery Device iSave 50-70 Disassembling and assembling hpp.danfoss.com...

  • Page 2: Table Of Contents

    Introduction This document illustrates instructions for • The weight of the iSave, including a disassembling and assembling the iSave 50-70. 18.5 kW IEC electric motor and base To understand the design of the iSave, see frame, is about 462 kg (1020 lb) dry.

  • Page 3: Disconnect The Isave From The Electric Motor

    6. Measure the distance between shaft seal 5. Carefully remove the bell housing from the flange and the coupling to be able to iSave. reassemble it back to the same distance. © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 3...

  • Page 4: Disassembling The Booster / Vane Pump

    4. Unscrew the 15 bolts from the motor water and carefully remove the shaft seal flange using a 10 mm allen key or using 2 screwdrivers. socket. 4 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...
  • Page 5 9. Check the rotor stop thickness using a 10. Check the side plates thickness using a micrometer. Replace if below 10,80 mm. micrometer. Replace if below 11.55 mm. © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 5...
  • Page 6 16 Remove the 2 pins in the stator housing. plate. Always change rotor stop and side plate at the same time as changing the rotor elements. 6 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...
  • Page 7 Replace the O-ring in the rotor elements. Make sure not to damage or twist the Make sure not to damage or twist the O-rings. O-rings. © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 7...
  • Page 8 27. Unscrew the 4 coupling screws using (not in tool kit) which will allow a better the 6 mm allen socket. grip to pull out the coupling. 8 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...
  • Page 9 (The small pin may horizontally. fall out). © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 9...
  • Page 10 38. Remove the 2 clips, 2 pins and the O-ring. 39. Remove the small pin for fixing the exchanger housing in the intermediate flange. 10 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...
  • Page 11 44. Remove, check and replace rotor stop, side plate and O-rings - see items 7 - 15 on page 5 and 6. 45. Remove the 2 pins from the stator housing. © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 11...

  • Page 12: Disassembling The Pressure Exchanger

    2 x screws, 2 nuts and 2 washers. and first tighten the screws to max. 10 Nm. Cross tighten the nuts until the O-ring is fully visual. 12 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...
  • Page 13 (back-up ring first). plastic tool from the tool set, before Make sure back-up rings are not mounting the O-rings. twisted. Proper mounting is very important!!! © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 13...
  • Page 14 11. Remove the port plate from the 2 clips across the sealing surfaces and replace if needed. using a screwdriver. 14 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...
  • Page 15 Disassembling and Assembling, iSave 50-70 Service guide | 12. Replace the 2 clips, the 2 pins and the O-ring. 13. Replace the small pin in the intermediate flange. © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 15...

  • Page 16: Assembling The Pressure Exchanger

    If the cylinder barrel is dropped or lowered too fast into housing, the bearing in the Port flange might be damaged. Replacement can only be done at Danfoss, DK-Nordborg. 16 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...

  • Page 17: Assembling The Booster/Vane Pump

    Mount the remaining screws and cross tighten all to the torque according to exploded view. © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 17...

  • Page 18: Continue Assembling The Pressure Exchanger

    6 stud bolt holes and small pin. to exploded view. Remove the 2 lifting eyes and the lifting strap. 18 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...
  • Page 19 6. Mount the 2 pins in the cylinder shaft end. 7. Lubricate the coupling screw. 8. Cross tighten to the torque according to Mount one internal coupling part and exploded view. mount 4 coupling screws. © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 19...

  • Page 20: Continue Assembling The Booster/Vane Pump

    3. Remove the lifting eyes and mount the 4. Lubricate the vanes and the rotor slides 2 pins in the stator housing. with clean filtered water. 20 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...
  • Page 21 4 screws (max. 10 Nm) to ensure the motor only 4 screws that are evenly placed flanges are tightened evenly onto the around the motor flange. stator housing. © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 21...
  • Page 22 15. Remove the ceramic ring of the shaft seal positioned against shoulder/recess in the shaft seal cover using a in shaft seal cover and the screwdriver. ceramic ring upwards. 22 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...
  • Page 23 Tighten the screws to the 22. Carefully lift the electrical motor from the torque according to exploded view. support. © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 23...
  • Page 24 Also remember to retighten all the screws and nuts on the base frame with the torque accord- ing to chapter 10 and 11. 24 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...

  • Page 25: Exploded View Isave 50-70

    Disassembling and Assembling, iSave 50-70 Service guide | Exploded view iSave 50-70 © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 25...

  • Page 26: Isave On Baseplate, Horizontal

    Disassembling and Assembling, iSave 50-70 Service guide | 10. iSave on baseplate, horizontal 26 | 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 © Danfoss | DCS (im) | 2016.10...

  • Page 27: Isave On Foot, Vertical

    Disassembling and Assembling, iSave 50-70 Service guide | 11. iSave on foot, vertical © Danfoss | DCS (im) | 2016.10 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 27...
  • Page 28 Danfoss A/S High Pressure Pumps DK-6430 Nordborg Denmark 180R9387 | 521B1430 | DKCFN.PI.013.1H.02 | 28 © Danfoss | DCS (im) | 2016.10...

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