Danfoss APP 11 Service Manual
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Also See for APP 11:
- Installation, operation and maintenance manual (80 pages) ,
- Installation, operation and maintenance manual (82 pages)
Related Manuals for Danfoss APP 11
Summary of Contents for Danfoss APP 11
- Page 1 Service guide APP pumps APP 11-13 and APP 16-22 Disassembling and assembling hpp.danfoss.com...
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Page 2: Table Of Contents
Disassembling and Assembling, APP 11-13 and APP 16-22 Service guide | Table of Contents Contents Introduction ................................2 Disassembling the pump ............................. 3 Assembling the pump ............................6 Disassembling and assembling of the swash plate ..................11 Disassembling and assembling of cylinder barrel and valve plate .............12 Disassembling and assembling of the flush valve ..................12... -
Page 3: Disassembling The Pump
Service guide | Disassembling and Assembling, APP 11-13 and APP 16-22 Disassembling the pump 1. Disconnect the pump from the rest of the system. 2. Using a 10 mm combination wrench, unscrew the four bolts from shaft seal flange. 3. Remove ceramic ring from flange by... - Page 4 Disassembling and Assembling, APP 11-13 and APP 16-22 Service guide | 9. Unscrew the remaining three bolts. Turn each bolt one round at the time to make 10. Screw the eye bolt in the M8 hole in the sure that the flange is removed as straight middle of the flange.
- Page 5 Service guide | Disassembling and Assembling, APP 11-13 and APP 16-22 15. Mount a 8 mm eye bolt in the cylinder barrel. Pull straight upwards. A continuous lift will elevate the cylinder barrel out of housing. This can only be done if shaft seal is removed.
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Page 6: Assembling The Pump
Disassembling and Assembling, APP 11-13 and APP 16-22 Service guide | 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. All parts they might be damaged. - Page 7 Service guide | Disassembling and Assembling, APP 11-13 and APP 16-22 8. Place housing horizontally. Screw in the rest of the screws on port flange. Tighten 7. Screw in at least two screws from below. screws according to exploded view.
- Page 8 Disassembling and Assembling, APP 11-13 and APP 16-22 Service guide | 15. Place the 7 springs and 3 pins in cylinder 16. Place the spring guide and the retainer barrel. The pin holes are assymetric. guide on the cylinder shaft.
- Page 9 Service guide | Disassembling and Assembling, APP 11-13 and APP 16-22 23. Place three bolts in mounting flange. (Remember lubrication as stated in paragraph 1 page 6.) Turn each bolt one round at a time to ensure mounting flange is mounted as straight downwards as possible.
- Page 10 Disassembling and Assembling, APP 11-13 and APP 16-22 Service guide | 30. Remove old O-ring and fit new one on shaft seal flange. 31. Place shaft seal flange on shaft. 32. Tighten the bolts with a torque according to exploded view.
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Page 11: Disassembling And Assembling Of The Swash Plate
Service guide | Disassembling and Assembling, APP 11-13 and APP 16-22 Disassembling and WARNING: assembling of the Make sure that the surface on the swash swash plate plate does not get any marks. O-rings Guide pins 1. Place the swash plate upside down. -
Page 12: Disassembling And Assembling Of Cylinder Barrel And Valve Plate
Disassembling and Assembling, APP 11-13 and APP 16-22 Service guide | Disassembling and assembling of cylinder barrel and valve plate Mount backup rings first Mount then O-rings 1. Push a screwdriver into the hole between cylinder barrel and valve plate. Carefully push downward the screwdriver so that it 2. -
Page 13: Changing Pistons
Service guide | Disassembling and Assembling, APP 11-13 and APP 16-22 Changing pistons Tools needed are: • 13 mm combination wrench • 6 mm allen key Service kit see parts list 521B0941 Note: It is essential that the pump is serviced in conditions of absolute cleanliness. - Page 14 Disassembling and Assembling, APP 11-13 and APP 16-22 Service guide | 5. Place the swash plate upside down to 6. Carefully remove the pistons one by one. avoid scratches on the surface. 7. It is recommended to place the pistons upside down on an even clean base/ surface.
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Page 15: Assembling
Service guide | Disassembling and Assembling, APP 11-13 and APP 16-22 Assembling Important: It is essential that the pump is serviced in conditions of absolute cleanliness. All parts must be absolute clean before mounting 1. Carefully push the retainer plate in place. -
Page 16: Service Guide | Disassembling And Assembling, App 11-13 And App
Disassembling and Assembling, APP 11-13 and APP 16-22 Service guide | 6. Carefully insert the swash plate into the 5. Replace the O-ring on mounting flange. housing. 7. Mount the 3 screws as shown below. Turn 8. Insert the remaining screws and cross each screw a couple of rounds at the time, tighten them according to exploded view. -
Page 17: When Should The Pistons Be Replaced
Service guide | Disassembling and Assembling, APP 11-13 and APP 16-22 When should the pistons This section provides guides on how to deter- In case of doubt - the pistons must be replaced. be replaced? mine whether the pistons of APP 11-13 and 16-22 If any worn pistons are found, all pistons must be are worn and should be replaced. -
Page 18: Exploded View App 11-13
Disassembling and Assembling, APP 11-13 and APP 16-22 Service guide | 10. Exploded view APP 11-13 18 | 180R9228 | 521B1181 | DKCFN.PI.013.V3.02 © Danfoss | DCS (im) | 2017.06... -
Page 19: Exploded View App 16-19
Service guide | Disassembling and Assembling, APP 11-13 and APP 16-22 11. Exploded view APP 16-19 © Danfoss | DCS (im) | 2017.06 180R9228 | 521B1181 | DKCFN.PI.013.V3.02 | 19... -
Page 20: Exploded View App 22
Disassembling and Assembling, APP 11-13 and APP 16-22 Service guide | 12. Exploded view APP 22 20 | 180R9228 | 521B1181 | DKCFN.PI.013.V3.02 © Danfoss | DCS (im) | 2017.06... - Page 21 Service guide | Disassembling and Assembling, APP 11-13 and APP 16-22 © Danfoss | DCS (im) | 2017.06 180R9228 | 521B1181 | DKCFN.PI.013.V3.02 | 21...
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Page 22: Service Guide | Disassembling And Assembling, App 11-13 And App
Disassembling and Assembling, APP 11-13 and APP 16-22 Service guide | 22 | 180R9228 | 521B1181 | DKCFN.PI.013.V3.02 © Danfoss | DCS (im) | 2017.06... - Page 23 Service guide | Disassembling and Assembling, APP 11-13 and APP 16-22 © Danfoss | DCS (im) | 2017.06 180R9228 | 521B1181 | DKCFN.PI.013.V3.02 | 23...
- Page 24 Danfoss A/S High Pressure Pumps DK-6430 Nordborg Denmark © Danfoss | DCS (im) | 2017.06 180R9228 | 521B1181 | DKCFN.PI.013.V3.02 | 24...