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Servie guide

PAH, PAHT, PAHT G pumps

PAH 10-12.5, PAHT 10-12.5 and

PAHT G 10-12.5

Disassembling and assembling

hpp.danfoss.com

Содержание PAH Series

Страница 1: ...Servie guide PAH PAHT PAHT G pumps PAH 10 12 5 PAHT 10 12 5 and PAHT G 10 12 5 Disassembling and assembling hpp danfoss com...

Страница 2: ...2 Inspection 7 2 1 Port plate and valve plate 7 2 2 Pistons 7 2 3 Cylinder barrel 8 2 4 Housing 8 2 5 Swash plate 8 3 Assembling 9 4 Spare parts list for PAH 10 12 5 PAHT 10 12 5 15 4 1 Exploded view...

Страница 3: ...the parallel key and unscrew the front cover 1 Tools required for dismantling 3 Dismantle the front cover using a vice 4 Remove the shaft seal using two screw drivers Caution Avoid scratching the seal...

Страница 4: ...5 and PAHT G 10 12 5 4 180R9095 521B0986 0 DKCFN PI 010 NA4 02 06 2017 7 Remove the housing 8 Remove the cylinder barrel 10 Remove the retainer guide 9 Remove the pistons and the retainer plate from t...

Страница 5: ...Place one of the screwdrivers in the slot of the valve plate 15 Remove the five O rings and the five back up O rings 16 Remove the port plate from the flange 17 Wash all parts and replace all seals i...

Страница 6: ...nd PAHT G 10 12 5 6 180R9095 521B0986 0 DKCFN PI 010 NA4 02 06 2017 Front cover Flange Plugs Front cover crews Valve plate with sealing Cylinder barrel Housing with swash plate and bearing Retainer gu...

Страница 7: ...t plate nor valve plate must show any sign of wear 3 Check that both O rings and back up rings are not broken and do not show severe wear 2 Inspection 2 1 Port plate and valve plate 3 Hold a ruler aga...

Страница 8: ...Check that the swash plate surface is smooth and without any big scratches depth more than 0 1 mm 2 Check that the bushings are free from seizure and large scratches 3 Ensure that the pistons can move...

Страница 9: ...or port flange mounting flange and flushing valve must be lubricated It is important to lubricate ALL parts to be assembled with clean filtered water Especially all PEEK parts 2 Parts and tools requir...

Страница 10: ...t plate in its right position using the pin as guide 3 Mount the O ring on the flange Guide pin 6 Press the valve plate into the cylinder barrel using a piece of plastic 5 Mount the valve plate with s...

Страница 11: ...5 521B0986 0 DKCFN PI 010 NA4 02 06 2017 10 Mount the spring guide 9 Mount the spring in the centre hole 12 Mount the retainer plate on the retainer guide Ensure that the bended surface points downwar...

Страница 12: ...86 0 DKCFN PI 010 NA4 02 06 2017 15 Place pin and place swash plate fittet on guide pin and center hole 17 Tighten to a torque of 10 1 Nm 16 Place the screw in the center hole 19 Press the housing dow...

Страница 13: ...017 21 Mount the two O rings in the flange and the O ring on the front cover 20 Tighten the screws to a torque of 22 Nm 23 Mount the washer with the edge pointing upwards 22 Wet the shaft seal with wa...

Страница 14: ...0986 0 DKCFN PI 010 NA4 02 06 2017 26 Wet the shaft seal and slide it over the bush 27 Use the shaft seal tool when pressing the shaft seal downwards 28 Press the shaft seal in position 29 Remove the...

Страница 15: ...1 1 Housing AISI 304 PEEK 2 1 Pin AISI 316 X 5 4 Screw AISI 304 X 31 1 Swash plate AISI 431 X X 32 1 Screw AISI 304 X X 33 1 Washer AISI 304 X X 34 1 Pin AISI 316 X X 61 1 Cylinder barrel AISI 431 PE...

Страница 16: ...Service guide Disassembling and assembling PAH 10 12 5 PAHT 10 12 5 and PAHT G 10 12 5 16 180R9095 521B0986 0 DKCFN PI 010 NA4 02 06 2017 4 1 Exploded view PAH 10 12 5 PAHT 10 12 5...

Страница 17: ...1 Pin AISI 316 X 5 4 Screw AISI 304 X 31 1 Swash plate AISI 431 X X 32 1 Screw AISI 304 X X 33 1 Washer AISI 304 X X 34 1 Pin AISI 316 X X 61 1 Cylinder barrel AISI 431 PEEK X 62 1 Spring AISI 316Ti...

Страница 18: ...Service guide Disassembling and assembling PAH 10 12 5 PAHT 10 12 5 and PAHT G 10 12 5 18 180R9095 521B0986 0 DKCFN PI 010 NA4 02 06 2017 5 1 Exploded view PAHT G 10 12 5...

Страница 19: ...Service guide Disassembling and assembling PAH 10 12 5 PAHT 10 12 5 and PAHT G 10 12 5 19 180R9095 521B0986 0 DKCFN PI 010 NA4 02 06 2017...

Страница 20: ...Danfoss DCS im 2017 06 180R9095 521B0986 DKCFN PI 010 NA4 02 20 Danfoss A S High Pressure Pumps Nordborgvej 81 DK 6430 Nordborg Denmark...