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Instruction 

Disassembling and assembling PAH 2-6.3, PAHT 2-6.3 and PAHT G 2-6.3

20

180R9094  /  521B0985  /  DKCFN.PI.011.N4.02  /  09.2013

 

18

0B

43

07 - S

ea

l s

et 

(P

A

H

T G 2

-6

.3

)

18

0B

43

11 - C

yl

in

de

r b

ar

re

l s

et 

(P

A

H

T G 2

-6

.3

)

18

0B

43

08 - V

al

ve p

la

te s

et 

(P

A

H

T G 2

-6

.3

)

18

0B

43

09 - P

is

to

n s

et 

(P

A

H

T G 2

)

18

0B

43

10 - P

is

to

n s

et 

(P

A

H

T G 3

.2

-6

.3

)

18

0B

43

17 - S

w

as

h p

la

te s

et 

(P

A

H

T G 2

)

Pos.

Qnt.

Designation

Material

1

1

Housing

AISI 304 / PEEK

2

1

Pin Ø5 x 10

AISI 316

x

5

4

Screw M6 x 16

AISI 316

x

31

1

Swash plate

AISI 431

x

32

1

Screw M6 x 8

AISI 304

x

33

1

Washer

AISI 304

x

34

1

Pin  Ø4 x 8

AISI 316

x

61

1

Cylinder barrel

AISI 431 / PEEK

x

62

1

Spring

AISI 304

x

x

63

1

Spring guide

PEEK

x

64

1

Retainer ball

PEEK

x

65

1

Retainer plate

1.4301

x

x

66

5

Piston

AISI 431/ PEEK

x

x

67

1

Key 5 x 5 x 20

AISI 316Ti

x

69

1

Stop

PEEK

x

91

1

Port plate

AISI 304 / PEEK

x

92

1

Valve plate

AISI 431

x

93

5

Back up ring

PTFE

x

94

5

O-ring Ø8,73 x Ø1,78

NBR

x

121

1

Port flange

AISI 304 / PEEK

122

1

O-ring Ø70 x Ø2,72 

NBR

x

123

1

O-ring Ø75,92 x Ø1,78

NBR

x

124

1

Shaft seal

AISI 304 / NBR

x

125

1

End cover

AISI 304

126

1

Pin  Ø4 x 8

AISI 316

127

2

Screw M5 x 20

AISI 304

x

136

2

O-ring Ø7 x Ø1,5

NBR

x

1

Service instruction

x

x

x

x

x

x

6. 

 Spare parts list for  

PAHT G 2

Summary of Contents for PAH 2-6.3

Page 1: ...danfoss high pressurepumps com Instruction Disassembling and assembling PAH 2 6 3 PAHT 2 6 3 and PAHT G 2 6 3 MAKING MODERN LIVING POSSIBLE...

Page 2: ...H 2 PAHT 2 19 6 Spare parts list for PAHT G 2 20 7 Exploded view PAHT G 2 21 8 Spare parts list for PAH 4 6 3 PAHT 3 2 6 3 22 9 Exploded view PAH 4 6 3 PAHT 3 2 6 3 23 10 Spare parts list for PAHT G 3...

Page 3: ...antle the front cover using a vice 4 Remove the shaft seal using two screw drivers 5 Remove the two small O rings from the flange Remove the seal from the front cover using a screwdriver 6 Unscrew the...

Page 4: ...180R9094 521B0985 DKCFN PI 011 N4 02 09 2013 4 7 Remove the housing 8 Remove the cylinder barrel 9 Remove the pistons and the retaining plate from the cylinder barrel NB Items 10 1 a and 10 1 b concer...

Page 5: ...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 NB The following items concern PAH 2 6 3 PAHT 2 6 3 an...

Page 6: ...rom the flange 15 Wash all parts and replace all seals inclusive shaft seal 17 If the pump has failed the reason for the failure must be found and fixed before the repaired pump is re installed 16 Ins...

Page 7: ...eck the tightness against a light source 3 Check that both O rings and back up rings are not broken and do not show severe wear 2 2 Pistons 1 The play in the ball and socket joint must not exceed 0 1...

Page 8: ...bearing surface for large wear grooves not critical 3 Ensure that the pistons can move freely in the bushings 2 Check that the bushings are free from seizure and large scratches 2 4 Housing 1 Check t...

Page 9: ...and assembling PAH 2 6 3 PAHT 2 6 3 and PAHT G 2 6 3 9 180R9094 521B0985 DKCFN PI 011 N4 02 09 2013 2 5 Swash plate Mounted swash plate 1 Unscrew center bolt from the swash plate 2 Remove swash plate...

Page 10: ...o prevent seizing up lubricate all threads with PTFE lubrication type O rings inside pump may be lubricated only with clean filtered water O rings for port flange mounting flange and flushing valve mu...

Page 11: ...21B0985 DKCFN PI 011 N4 02 09 2013 5 Mount the valve plate with seals on the cylinder barrel 6 Press the valve plate into the cylinder barrel using a piece of plastic 7 Check that the gap between the...

Page 12: ...3 PAHT 2 6 3 and PAHT G 2 6 3 12 180R9094 521B0985 DKCFN PI 011 N4 02 09 2013 12 9 1 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...

Page 13: ...on the spring guide 9 2 d Mount the retaining plate on the retainer guide 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...

Page 14: ...KCFN PI 011 N4 02 09 2013 14 15 Mount the pump housing using the pin as guide 16 Press the housing down by hand and insert the screws Alignment hole Guide pin 12 Place pin and place swash plate fittet...

Page 15: ...7 Tighten the screws to a torque of 13 Nm 18 Mount the two O rings in the flange and the O ring on the front cover 19 Wet the shaft seal with water and mount it in the front cover Ensure that it is pr...

Page 16: ...5 DKCFN PI 011 N4 02 09 2013 25 Press the shaft seal in position 26 Remove the bush 27 Mount the front cover and align it to the screw holes 28 Tighten the screws to a torque of 7 Nm 23 Wet the shaft...

Page 17: ...Instruction Disassembling and assembling PAH 2 6 3 PAHT 2 6 3 and PAHT G 2 6 3 17 180R9094 521B0985 DKCFN PI 011 N4 02 09 2013...

Page 18: ...SI 316 x 31 1 Swash plate AISI 431 x 32 1 Screw M6 x 8 AISI 304 x 33 1 Washer AISI 304 x 34 1 Pin 4 x 8 AISI 316 x 61 1 Cylinder barrel AISI 431 PEEK x x 62 1 Spring AISI 304 x x 63 1 Spring guide PEE...

Page 19: ...Instruction Disassembling and assembling PAH 2 6 3 PAHT 2 6 3 and PAHT G 2 6 3 19 180R9094 521B0985 DKCFN PI 011 N4 02 09 2013 5 Exploded view PAH 2 PAHT 2...

Page 20: ...I 304 x 33 1 Washer AISI 304 x 34 1 Pin 4 x 8 AISI 316 x 61 1 Cylinder barrel AISI 431 PEEK x 62 1 Spring AISI 304 x x 63 1 Spring guide PEEK x 64 1 Retainer ball PEEK x 65 1 Retainer plate 1 4301 x x...

Page 21: ...Instruction Disassembling and assembling PAH 2 6 3 PAHT 2 6 3 and PAHT G 2 6 3 21 180R9094 521B0985 DKCFN PI 011 N4 02 09 2013 7 Exploded view PAHT G 2...

Page 22: ...10 AISI 316 x 5 4 Screw M6 x 16 AISI 316 x 31 1 Swash plate AISI 431 x x x 32 1 Screw M6 x 8 AISI 304 x x x 33 1 Washer AISI 304 x x x 34 1 Pin 4 x 8 AISI 316 x x x 61 1 Cylinder barrel AISI 431 PEEK...

Page 23: ...Instruction Disassembling and assembling PAH 2 6 3 PAHT 2 6 3 and PAHT G 2 6 3 23 180R9094 521B0985 DKCFN PI 011 N4 02 09 2013 9 Exploded view PAH 4 6 3 PAHT 3 2 6 3...

Page 24: ...x 31 1 Swash plate AISI 431 x x x 32 1 Screw M6 x 8 AISI 304 x x x 33 1 Washer AISI 304 x x x 34 1 Pin 4 x 8 AISI 316 x x x 61 1 Cylinder barrel AISI 431 PEEK x 62 1 Spring AISI 304 x 63 1 Spring gui...

Page 25: ...Instruction Disassembling and assembling PAH 2 6 3 PAHT 2 6 3 and PAHT G 2 6 3 25 180R9094 521B0985 DKCFN PI 011 N4 02 09 2013 11 Exploded view PAHT G 3 2 6 3...

Page 26: ...This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this material...

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