Danfoss APP 11 User Manual Download

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Service guide

APP pumps

APP 11-13 and APP 16-22

Disassembling and assembling

hpp.danfoss.com

Summary of Contents for APP 11

Page 1: ...Service guide APP pumps APP 11 13 and APP 16 22 Disassembling and assembling hpp danfoss com...

Page 2: ...sure that the pump cannot roll It must be possible to place the pump vertically with the shaft pointing downwards This can be done between two pallets or between two boards on a pallet provided that t...

Page 3: ...move it 4 Mount the M8 allen screw from the tool set in the top of the shaft 5 Wet the shaft and shaft seal with clean filtered water 6 Carefully remove the shaft seal assembly using the shaft seal ex...

Page 4: ...ed For further disassembling of swash plate see page 11 10 Screw the eye bolt in the M8 hole in the middle of the flange Pull it straight upwards 12 Remove by hand the pistons one by one Be careful no...

Page 5: ...ain bearing shaft bearing might be damaged It is not replaceable 17 Remove the port plate by hand 16 Place cylinder barrel upside down For further disassembling of cylinder barrel and valve plate see...

Page 6: ...ace the pump vertically with the shaft pointing downwards This can be done between two pallets or between two boards on a pallet provided that the distance is minimum 50 mm 1 Lubrication To prevent se...

Page 7: ...is enough free space for the shaft beneath the housing Minimum 100 mm 3 94 inch Carefully lower cylinder barrel into housing 14 Unscrew M8 eye bolt 11 Ensure port plate is fitted tightly against the b...

Page 8: ...iner plate for easier placement of swash plate If swash plate has been disassembled from mounting flange see page 11 for assembly of swash plate 16 Place the spring guide and the retainer guide on the...

Page 9: ...screws according to exploded view 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 a...

Page 10: ...APP 11 13 and APP 16 22 Danfoss DCS im 2017 06 10 180R9228 521B1181 DKCFN PI 013 V3 02 31 Place shaft seal flange on shaft 30 Remove old O ring and fit new one on shaft seal flange 32 Tighten the bolt...

Page 11: ...re in good condition Provided with sealing set 4 Mount the swash plate on the 2 pins Carefully by hand tilt the unit to horizontal position and mount the 2 bolts which hold the swash plate Tighten the...

Page 12: ...ck up rings and the liners in the cylinder barrel with clean filtered water Lower the valve plate upside down on the cylinder barrel Place the press bush for valve plate provided in tool set like on t...

Page 13: ...pump from the system or close all connection pipes water supply Bleed water from the pump Warning Never unscrew the 2 screws marked with coloured sealer 2 Loosen all screws on the pump except the 3 s...

Page 14: ...ne 7 It is recommended to place the pistons upside down on an even clean base surface Warning Ensure that the piston shoes and piston surfaces are not damaged or scratched during removal 8 Remove the...

Page 15: ...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 2 Ensure that the retainer plate is oriented co...

Page 16: ...the housing 7 Mount the 3 screws as shown below Turn each screw a couple of rounds at the time to ensure the swash plate is pulled as straight forward as possible Note Be careful not to squeeze damag...

Page 17: ...s break down the pump will suffer a disastrous breakdown In case of doubt the pistons must be replaced If any worn pistons are found all pistons must be replaced The pictures below are meant as guidel...

Page 18: ...8 521B1181 DKCFN PI 013 V3 02 10 Exploded view APP 11 13 22 13 lbf ft 2 21 lbf ft 22 13 lbf ft 2 21 lbf ft 1 47 lbf ft 0 74 lbf ft 1 47 lbf ft 0 74 lbf ft 1 47 lbf ft 0 74 lbf ft 7 38 lbf ft 1 47 lbf...

Page 19: ...21B1181 DKCFN PI 013 V3 02 19 11 Exploded view APP 16 19 22 13 lbf ft 2 21 lbf ft 22 13 lbf ft 2 21 lbf ft 22 13 lbf ft 2 21 lbf ft 22 13 lbf ft 2 21 lbf ft 1 47 lbf ft 0 74 lbf ft 1 47 lbf ft 0 74 lb...

Page 20: ...28 521B1181 DKCFN PI 013 V3 02 12 Exploded view APP 22 22 13 lbf ft 2 21 lbf ft 22 13 lbf ft 2 21 lbf ft 22 13 lbf ft 2 21 lbf ft 22 13 lbf ft 2 21 lbf ft 1 47 lbf ft 0 74 lbf ft 1 47 lbf ft 0 74 lbf...

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...

Page 22: ...Service guide Disassembling and Assembling APP 11 13 and APP 16 22 Danfoss DCS im 2017 06 22 180R9228 521B1181 DKCFN PI 013 V3 02...

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...