Danfoss PAH 2-6.3 Disassembling And Assembling
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Danfoss PAH 2-6.3 Disassembling And Assembling

Danfoss PAH 2-6.3 Disassembling And Assembling

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MAKING MODERN LIVING POSSIBLE
Instruction
Disassembling and assembling
PAH 2-6.3, PAHT 2-6.3 and
PAHT G 2-6.3
danfoss.high-pressurepumps.com

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Summary of Contents for Danfoss PAH 2-6.3

  • Page 1 MAKING MODERN LIVING POSSIBLE Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 danfoss.high-pressurepumps.com...

  • Page 2: Table Of Contents

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Table of Contents Disassembling ................3 Inspection .

  • Page 3: Disassembling

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Disassembling Tools required for dismantling. Remove the parallel key and unscrew the front cover. Dismantle the front cover using a vice. Remove the shaft seal using two screw- drivers.
  • Page 4 Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Remove the housing. Remove the cylinder barrel. Remove the pistons and the retaining plate from the cylinder barrel. NB: Items 10.1.a. and 10.1.b. concern PAH 2, PAHT 2 and PAHT G 2 only 10.1.a.
  • Page 5 Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Items 10.2.a. through 10.2.c. concern PAH 4-6.3, PAHT 3.2-6.3 and PAHT G 3.2-6.3 only 10.2.a. Remove the retaining guide. 10.2.b. Remove the spring guide. 10.2.c. Remove the spring.
  • Page 6 Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Remove the five O-rings and the five Remove the port plate from the flange. back-up O-rings. Wash all parts and replace all seals Inspect all parts carefully (see “Inspection”) (inclusive shaft seal).

  • Page 7: Inspection

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Inspection 2.1 Port plate and valve plate Hold a ruler against the surface of the Neither port plate nor valve plate must plates and check the tightness against a show any sign of wear.

  • Page 8: Cylinder Barrel

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 2.3 Cylinder barrel Check the outer bearing surface for large Check that the bushings are free from wear grooves (not critical). seizure and large scratches. Ensure that the pistons can move freely in the bushings.

  • Page 9: Swash Plate

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 2.5 Swash plate Mounted swash plate: Unscrew center bolt from the swash plate. Remove swash plate and guide pin. Guide pin 180R9094 / 521B0985 / DKCFN.PI.011.N4.02 / 09.2013...

  • Page 10: Assembling

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Assembling 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 11 Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Mount the valve plate with seals on the Press the valve plate into the cylinder barrel cylinder barrel. using a piece of plastic. Check that the gap between the cylinder Mount the cylinder barrel in the flange.
  • Page 12 Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 NB: Items 9.1.a through 9.1.c concern PAH 2, PAHT 2 and PAHT G 2 only 9.1.a Mount the stop. 9.1.b Mount the spring in the centre hole. 9.1.c Mount the retaining plate.
  • Page 13 Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 9.2 NB: Items 9.2.a through 9.2.d concern PAH 4-6.3, PAHT 3.2-6.3 and PAHT G 3.2-6.3 only 9.2.a Mount the spring in the centre hole. 9.2.b Mount the spring guide.
  • Page 14 Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Place pin and place swash plate fittet on guide pin and center hole. Place the screw in the center hole. Tighten to a torque of 10 ±1 Nm.
  • Page 15 Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Tighten the screws to a torque of 13 Nm. Mount the two O-rings in the flange and the O -ring on the front cover. Wet the shaft seal with water and mount it Mount the washer with the edge pointing in the front cover.
  • Page 16 Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Wet the shaft seal and slide it over the Use the shaft seal tool when pressing the bush. shaft seal downwards. Press the shaft seal in position. Remove the bush.
  • Page 17 Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 180R9094 / 521B0985 / DKCFN.PI.011.N4.02 / 09.2013...

  • Page 18: Spare Parts List For Pah 2 / Paht 2

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Spare parts list for PAH 2 / PAHT 2 Pos. Qnt. Designation Material Housing AISI 304 / PEEK Pin Ø5 x 10 AISI 316 Screw M6 x 16...

  • Page 19: Exploded View Pah 2 / Paht 2

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Exploded view PAH 2 / PAHT 2 180R9094 / 521B0985 / DKCFN.PI.011.N4.02 / 09.2013...

  • Page 20: Spare Parts List For Paht G 2

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Spare parts list for PAHT G 2 Pos. Qnt. Designation Material Housing AISI 304 / PEEK Pin Ø5 x 10 AISI 316 Screw M6 x 16 AISI 316...

  • Page 21: Exploded View Paht G 2

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Exploded view PAHT G 2 180R9094 / 521B0985 / DKCFN.PI.011.N4.02 / 09.2013...

  • Page 22: Spare Parts List For Pah 4-6.3 / Paht 3.2-6.3

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Spare parts list for PAH 4-6.3 / PAHT 3.2-6.3 Pos. Qnt. Designation Material Housing AISI 304 / PEEK Pin Ø5 x 10 AISI 316 Screw M6 x 16...

  • Page 23: Exploded View Pah 4-6.3 / Paht 3.2-6.3

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Exploded view PAH 4-6.3 / PAHT 3.2-6.3 180R9094 / 521B0985 / DKCFN.PI.011.N4.02 / 09.2013...

  • Page 24: Spare Parts List For Paht G 3.2-6.3

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 10. Spare parts list for PAHT G 3.2-6.3 Pos. Qnt. Designation Material Housing AISI 304 / PEEK Pin Ø5 x 10 AISI 316 Screw M6 x 16 AISI 316...

  • Page 25: Exploded View Paht G 3.2-6.3

    Instruction Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3 Exploded view PAHT G 3.2-6.3 180R9094 / 521B0985 / DKCFN.PI.011.N4.02 / 09.2013...

  • Page 26: Tool Sets

    Denmark Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed.

This manual is also suitable for:

Paht 2-6.3Paht g 2-6.3

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