Related Manuals for Danfoss APP S Series
Summary of Contents for Danfoss APP S Series
- Page 1 Instruction APP S / APP S 674 pumps APP S 2.0-3.5 / APP S 674 2.0-3.5 pumps Disassembling and assembling ro-solutions.com...
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Page 2: Table Of Contents
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 Table of Contents Disassembling the pump .............................. 3 Assembling the pump..............................7 Disassembling and assembling of the swash plate ..................13 Disassembling and assembling of cylinder barrel and valve plate ............14 Disassembling and assembling of the flushing valve ..................15 How to replace the shaft seal ............................15 Changing pistons .................................16... -
Page 3: Table Of Contents 1. Disassembling The Pump
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 Disassembling the pump 1. Disconnect the pump from the rest of the 2. Using a 6 mm allen key, unscrew the 3 system. bolts from shaft seal cover. 3. - Page 4 Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 7. Through the inlet port lever the shaft seal with a screw driver between shaft seal and spring. Use one hand to pull the shaft seal up. WARNING: 8.
- Page 5 Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 14. Remove 2 pistons. Be careful not to scratch the pistons. 13. Swash plate must be placed so that its surface is not scratched. For further WARNING: Do not use any tools. disassembling of swash plate, see page 14.
- Page 6 Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 19. Pull the cylinder barrel straight upwards in a continuous lift to ensure no damage of house bearing. This can only be done if the shaft seal is removed. WARNING: If the cylinder barrel is dropped or lowered too fast into housing, the...
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Page 7: Assembling The Pump
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 24. Remove bolts and port flange. Assembling the pump WARNING: Important: Do not use silicone when assembling the It is essential that the pump is serviced in pump. Do not reuse disassembled O-rings; conditions of absolute cleanliness. - Page 8 Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 3. Mount new O-ring on port flange and 4. Position port flange by aligning pin hole lubricate with water. over guide pin. 5. Carefully press the port flange downwards. 6.
- Page 9 Replacement can only be done at shaft beneath the housing. Lubricate inside. Danfoss, Nordborg. 12. Place the spring in cylinder barrel. 13. Lubricate and position the retainer guide. 180R9281 / 521B1275 / DKCFN.PI.013.C4.02 / 10.2015...
- Page 10 Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 14. Lubricate retainer guide and position the retainer ball. 15. Position the retainer plate. 16. Ensure the retainer plate is oriented 17. Lubricate and position the pistons in the correctly.
- Page 11 Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 20. Lubricate and place two bolts in end flange. Turn each bolt one round at a time to ensure mounting flange is mounted as straight downwards as possible. Be careful 21.
- Page 12 Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 26. Mount new shaft seal with the carbon seal face pointing upwards. Press seal down and at the same time turn the seal clockwise 25. Lubricate shaft with clean filtered water. until spring stops at distance ring.
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Page 13: Disassembling And Assembling Of The Swash Plate
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 Disassembling and assembling of the swash plate O-ring 1. Unscrew centre bolt from swash plate. 2. Remove swash plate, guide pin and O-ring. 3. Place guide pin and carefully align swash 4. -
Page 14: Disassembling And Assembling Of Cylinder Barrel And Valve Plate
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 Disassembling and assembling of cylinder barrel and valve plate Backup O-ring ring 1. Carefully lift valve plate assembly free 2. Replace O-rings and backup rings on with the aid of a screwdriver. valve plate. -
Page 15: Disassembling And Assembling Of The Flushing Valve
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 Disassembling and assembling of the flushing valve 2. Carefully push the flushing valve up through the outlet connection, using a 1. Remove shaft seal cover. small screwdriver. 3. Remove complete flushing valve set. 4. -
Page 16: Changing Pistons
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 Changing pistons 7.1 Disassembling To understand the pump design better, please see the exploded view in item 9. 2. Loosen all screws on the pump except the two screws as shown in the picture below. 1. - Page 17 Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 WARNING: Ensure that the piston shoes and the piston surfaces are not damaged during removal. It is recommended to place the pistons upside down on an even and clean base/surface. 7.
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Page 18: Assembling
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 7.2 Assembling 1. Ensure the liner and the end of cylinder barrel are wetted. 2. Place the spring. 4. Place the ball on the retainer plate. WARNING! Ensure right assembling and placement of the retainer plate. - Page 19 Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 7. Replace the O-ring and mount the flange. 8. Mount two screws as shown below and Ensure the guide pin is mounted. tighten them. 10. Connect the pump to the rest of the system.
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Page 20: Spare Parts List App S 2.0-3.5
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 Spare parts list APP S 2.0-3.5 Pos. Qty. Designation Material 1 Housing Super Duplex / PEEK 2 Pin AISI 316 9 Screw M8x20 AISI 316 1 O-ring 1 End flange Super Duplex 1 Swash plate Super Duplex... -
Page 21: Explode View App S 2.0-3.5
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 8.1 Explode view APP S 2.0-3.5 180R9281 / 521B1275 / DKCFN.PI.013.C4.02 / 10.2015... -
Page 22: Spare Parts List App S 674 2.0-3.5
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 Spare parts list APP S 674 2.0-3.5 Pos. Qty. Designation Material 1 Housing Super Duplex / PEEK 2 Pin AISI 316 9 Screw M8x20 AISI 316 1 O-ring 1 End flange Super Duplex 1 Swash plate... -
Page 23: Explode View App S 674 2.0-3.5
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 9.1 Explode view APP S 674 2.0-3.5 180R9281 / 521B1275 / DKCFN.PI.013.C4.02 / 10.2015... -
Page 24: When Should The Pistons Be Replaced
Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 10. When should the pistons This section provides guidance on, how to Note: If the pistons break down, the pump be replaced determine whether the parts of the pump are will suffer a disastrous breakdown. - Page 25 Instruction Disassembling and assembling APP S 2.0-3.5 / APP S 674 2.0-3.5 180R9281 / 521B1275 / DKCFN.PI.013.C4.02 / 10.2015...
- Page 26 Danfoss A/S High Pressure Pumps DK-6430 Nordborg Denmark 180R9281 | 521B1275 | DKCFN.PI.013.C4.02 © Danfoss | DCS (im) | 2015.10...