Tolerancias Bombas y Motores Danfoss

ReWork Specifications

Repair Instructions

2 520L1033 • Rev BG • February 2010

Rework Specifications

Revisions

Table of RevisionsDate Page Changed Rev.

February 2010 10, 12 Added LDU20, Updated Series 42 BG

September 2009 10, 13, 22 fixed typos BF

July 2009 27 060 cylinder block height should be 57.65 [2.2697] BE

April 2009 27 add 060cc to H1B section BD

October 2008 27 add 080cc to H1B section BC

February 2008 26, 27 Add H1 pumps 115/130, Add H1B motors 110 BB

June 2007 - Second edition BA

1998 - First edition A

HistoRy of Revisions

© 2010 Sauer-Danfoss. All rights reserved.

Sauer-Danfoss accepts no responsibility for possible errors in catalogs, brochures and other printed material. Sauer -Danfoss reserves the right to alter its products without prior notice. This also applies to products already ordered, provided that such alterations can be made without affecting agreed specifications. All trademarks in this material are properties of their respective owners. Sauer-Danfoss, the Sauer-Danfoss logotype, the Sauer-Danfoss S-icon, PLUS+1™, What really matters is inside® and Know-How in Motion™ are trademarks of the Sauer-Danfoss Group.

3520L1033 • Rev BG • February 2010


Contents

intRoDuCtion

RewoRk instRuCtions

RewoRk sPeCifiCations

Overview ........................................................................................................................................................... 4General instructions ...................................................................................................................................... 4Safety precautions ......................................................................................................................................... 5

Unintended machine movement ....................................................................................................... 5Flammable cleaning solvents ............................................................................................................... 5Fluid under pressure ................................................................................................................................ 5Personal safety ........................................................................................................................................... 5

Symbols used in this manual ..................................................................................................................... 6

Cylinder blocks ................................................................................................................................................ 7Pistons and slippers ....................................................................................................................................... 7Valve plate ......................................................................................................................................................... 8Bearing plate .................................................................................................................................................... 8Endcap................................................................................................................................................................ 9Shaft ................................................................................................................................................................... 9Swashplate (cradle type) ............................................................................................................................. 9

Light duty ........................................................................................................................................................10Series 40 ...........................................................................................................................................................11Series 42 ...........................................................................................................................................................12Series 45 ...........................................................................................................................................................13Series 90 ...........................................................................................................................................................14

Valve plate .................................................................................................................................................15Series 20/Series 30 .......................................................................................................................................16

Cylinder block ..........................................................................................................................................16Piston assembly .......................................................................................................................................17Valve plate .................................................................................................................................................18Thrust plate ...............................................................................................................................................18Bearing plate ............................................................................................................................................19

Series 20 ...........................................................................................................................................................20Shaft seal identification ........................................................................................................................20Control link identification ....................................................................................................................21

L Series .............................................................................................................................................................22LPV ....................................................................................................................................................................22L&K Motors .....................................................................................................................................................23

LV and LC Motors ...................................................................................................................................23KV and KC Motors ..................................................................................................................................23

Series 51 ...........................................................................................................................................................24H1 078/089/100/115/130/147/165 pumps .........................................................................................25H1 45/53 pumps ...........................................................................................................................................26H1B motors .....................................................................................................................................................27



Introduction

oveRview This manual provides specifications for rework of service parts and assemblies. Only Sauer-Danfoss Global Service Partners are authorized to perform rework and major repairs. Sauer-Danfoss trains Global Service Partners and certifies facilities on a regular basis.

W WarningReworking parts to dimensions outside Sauer-Danfoss specifications may reduce unit performance to unacceptable or unsafe levels and/or cause dangerous unit and system failure. Do not resurface valve/bearing plates, cylinder blocks, swashplates, or slippers beyond minimum thickness requirements.

W WarningUse of components that do not comply with rework specifications may result in loss of performance, which may constitute a safety hazard. Do not reuse components that don’t comply to given specifications: replace with genuine Sauer-Danfoss service parts.

This manual contains proprietory information. Specifications are subject to change without notice. This information is current, based on factory data, as of May 1, 2006.

w Remove the unitPrior to performing major repairs, remove the unit from the vehicle/machine. Chock the wheels on the vehicle or lock the mechanism to inhibit movement. Be aware that hydraulic fluid may be under high pressure and / or hot. Inspect the outside of the pump and fittings for damage. Cap hoses after removal to prevent contamination.

e Keep it cleanCleanliness is a primary means of assuring satisfactory pump life on either new or repaired units. Clean the outside of the pump thoroughly before disassembly. Take care to avoid contamination of the system ports. Cleaning parts using a clean solvent wash and air drying is usually adequate.

As with any precision equipment, keep all parts free of foreign materials and chemicals. Protect all exposed sealing surfaces and open cavities from damage and foreign material. If left unattended, cover the pump with a protective layer of plastic.

l Lubricate moving partsDuring assembly, coat all moving parts with clean hydraulic oil. This assures these parts are lubricated during start-up.

d Replace all O-rings and gasketsSauer-Danfoss recommends you replace all O-rings. Lightly lubricate all O-rings with clean petroleum jelly prior to assembly.

t Secure the unitFor major repair, place the unit in a stable position with the shaft pointing down. Secure the pump/motor while removing and torquing the endcap bolts.

GeneRaL instRuCtions



Introduction

safety PReCautions Always consider safety precautions before beginning a service procedure. Protect yourself and others from injury. Take the following general precautions whenever servicing a hydraulic system.

unintended machine movementW warningUnintended movement of the machine or mechanism may cause injury to the technician or bystanders. To protect against unintended movement, secure the machine or disable/disconnect the mechanism while servicing.

flammable cleaning solventsW warningSome cleaning solvents are flammable. To avoid possible fire, do not use cleaning solvents in an area where a source of ignition may be present.

fluid under pressureW warningEscaping hydraulic fluid under pressure can have sufficient force to penetrate your skin causing serious injury and/or infection. This fluid may also be hot enough to cause burns. Use caution when dealing with hydraulic fluid under pressure. Relieve pressure in the system before removing hoses, fittings, gauges, or components. Never use your hand or any other body part to check for leaks in a pressurized line. Seek medical attention immediately if you are cut by hydraulic fluid.

Personal safetyW warningProtect yourself from injury. Use proper safety equipment, including safety glasses, at all times.



Introduction

WARNING may result in injury

M Measurement

Flatness specification

a Parallelism

Inspect for wear or damage

symboLs useD in tHis manuaL

The symbols above appear in the illustrations and text of this manual. They are intended to communicate helpful information at the point where it is most useful to the reader. In most instances, the appearance of the symbol itself denotes its meaning. The legend above defines each symbol and explains its purpose.



Rework Instructions

CyLinDeR bLoCks

Pistons anD sLiPPeRs

Examine the running face of the cylinder block. The surface should be smooth and free of nicks and burrs. Ensure that no scratches or grooves exist; these may drastically reduce output flow and life of pump/motor.

Cracks are not allowed on any surface of the part. No steel may be visible through the bronze surface of cast-on bronze cylinder blocks. No pits, scratches, nicks or indentations are allowed that extend more that 50% of the width of the sealing land surfaces. Irregularities above the surface are not allowed.

For cylinder blocks without separate bearing plates, refer to section Bearing Plates (page 8) to locate the sealing land surfaces on the cylinder block running surface.

Cylinderblock

A

flat to 0.002 mm

[0.000079 in]P101 067E

C

B

Inspect cylinder block

Cylinder dimensions

a Block height

b Maximum block bore diameter

C Total cylinder block height

(series 30 and H1 only)

Lap by hand or machine.

The maximum variance between slipper foot thicknesses in one cylinder block kit is 0.002 in. No pits, scratches, nicks or indentations are allowed that extend more than 50% of the width of the slipper sealing land surfaces. Irregularities above the surface are not allowed.

Inspect the pistons for damage and discoloration. Discolored pistons may indicate excessive heat; do not reuse.

Inspect the running surface of the slippers. Replace any piston assemblies with scored or excessively rounded slipper edges.

Slipper

Maximum end play

Minimumslipper foot thickness

P104 109E

Inspect pistons

If piston replacement is required, replace all pistons

in pump or motor.



Rework Instructions

vaLve PLate

Inspect valve plate 6.0

Parallel0.045 mm

[0.24

Flatness0.001 - 0.006 mm[0.00004 - 0.00023 in]convex maximum

P106 113E

+0-0.15mm in]+0

-0.01

[0.0018 in]

Sealing land

No pits, scratches, nicks, or indentations are allowed that extend more than 50% of the width of the sealing land surfaces. Irregularities above the surface are not allowed. Cracks are not allowed on any surface of the part. Scrap valve plates that exhibit smearing or metal transfer on the running surface or on the running surface of the mating bearing plate or cylinder block. Use a new valve plate for field repair if you cannot verify that the valve plate is not cracked or softened.

beaRinG PLate Visually inspect for cracks at drive slot and kidneys. On all bimetal bearing plates, in addition to a visual inspection, preform a penetrant inspection (for example - magnetic particle inspection) to detect cracks on the bronze surface of the plate. Scrap bearing plates that exhibit smearing or metal transfer on the running surface or the running surface of the mating valve plate. No steel may be visible through the bronze surface of bimetal bearing plates. No pits, scratches, nicks or indentations are allowed that extend more than 50% of the width of the sealing land surfaces. Irregularities above the surface are not allowed.

Inspect bearing plate

6.0

Parallel0.045 mm

[0.24

0.001 - 0.006 mm[0.00004 - 0.00023 in]convex maximum

+0-0.15 mm in]+0

-0.01

[0.0018 in]

P106 399E

Sealing land



Rework Instructions

enDCaP

E101 342E

Inspect all machined surfaces for scratches or pits. Carefully check the bearing surface for wear. Inspect valve seats carefully for wear or cracks. Replace if damaged.

Inspect endcap

swasHPLate (CRaDLe tyPe)

P106 396E

Cracks are not allowed on any surface of the part.

Inspect swashplate

sHaft Ensure the shaft and its splines are straight and free of damage or heavy wear. Inspect the sealing land. Replace if the surface is grooved. Clean the sealing area with a nonabrasive material if necessary.

E101 329E

Inspect shaft

10 520L1033 • Rev BG • February 2010


Rework specifications

model 15 18 70-bD-10 70-bD-21

Cylinder block

Minimum block height 38.27

[1.507]

57.02

[2.245]

34.90

[1374]

40.77

[1.605]

Maximum piston bore

diameter

12.898

[0.50780]

16.439

[0.64720]

16.020

[0.6307]

17.242

[0.6788]

Flatness (TIR) 0.001905

[0.000075]

0.001905

[0.000075]

0.00127

[0.000050]

0.00127

[0.000050]

Piston assembly

Minimum slipper foot

thickness

3.175

[0.125]

4.064

[0.160]

NA NA

Maximum piston/slipper

end play

0.1524

[0.006]

0.1524

[0.006]

NA NA

Valve plate

Minimum thickness 3.835

[0.1510]

4.953

[0.1950]

NA NA

Minimum thickness

(thick valve plate)

7.137

[0.2810]

NA NA NA


[0.00015]

0.00381

[0.00015]

NA NA

Parallelism (TIR) 0.0254

[0.001]

0.254

[0.001]

NA NA

Thrust plate

Minimum thickness (thin

plate)

NA NA 1.473

[0.058]

2.413

[0.095]

Minimum thickness (thick

plate)

NA NA 4.420

[0.174]

4.928

[0.194]

Flatness NA NA 0.00508

[0.00020]

0.0508

[0.0020

Parallelism NA NA 0.0508

[0.0020

0.0508

[0.0020

Dimensions mm [in]TIR (Total Instrument Reading)

LiGHt Duty

model LDu20

motor side pump side

Cylinder block

Minimum block height 45.23 [1.781]

Maximum piston bore diameter 12.978 [0.511]

Flatness (TIR) 0.002 [0.000079]

Piston assemblyMinimum slipper foot thickness 2.748 [0.108]

Maximum piston/slipper end play 0.18 [0.007]

Valve plate

Minimum thickness 4.97 [0.196]

Flatness (TIR) 0.0038 [0.00015] convex

Parallelism (TIR) 0.025 [0.001]

Thrust plate

Minimum thickness 3.95 [0.156] NA

Flatness (TIR) housing mating surface 0.01 [0.0004] convex NA

Flatness (TIR) slipper mating surface 0.005 [0.0002] convex NA

Parallelism 0.01 [0.0004] NA

Centersection gasket

mating surface

Flatness (TIR) 0.05

[0.002]

Centersection valve

plate mating surface


[0.0004]




model m23 m25 m35 m44 m46

Cylinder block


[2.101]

45.19

[1.779]

54.74

[2.155]

54.74

[2.155]

62.23

[2.450]

Maximum piston bore

diameter

13.715

[0.53996]

14.201

[0.59910]

16.132

[0.6351]

17.943

[0.70640]

19.797

[0.77940]


[0.000075]

Piston assembly


thickness

3.404

[0.134]

3.861

[0.152]

3.734

[0.147]

3.734

[0.147]

3.226

[0.127]


end play

0.1524

[0.006]

Valve plate


[0.1949]

3.835

[0.1510]

4.953

[0.1950]

4.953

[0.1950]

4.953

[0.1950]


[0.00015]


[0.0012]

0.254

[0.0010]

0.0254

[0.0010]

0.0254

[0.0010]

0.0254

[0.0010]

Thrust plate

Minimum thickness

(thin plate)

3.990

[0.1571]

NA NA NA NA

Flatness 0.00508

[0.00020]

NA NA NA NA

Parallelism 0.01016

[0.0004]

NA NA NA NA

Swashplate

Minimum thickness NA NA NA NA 39.27

[1.546]

Flatness NA NA NA NA 0.0635

[0.0025]

Parallelism NA NA NA NA 0.001905

[0.000075]

seRies 40


12 520L1033 • Rev BG • February 2010



model 28cc 32cc 41cc 51cc

Cylinder block


[1.968]

55.88

[2.200]

55.88

[2.200]

Maximum piston bore

diameter

14.30

[0.5630]

15.23

[0.5996]

16.14

[0.6354]

17.98

[0.7079]


[0.000079]

Piston assembly


thickness

3.462

[0.1363]

3.734

[0.147]

3.759

[0.148]


end play

0.152

[0.006]

Valve plate


[0.196]

3.86

[0.152]

3.87

[0.152]

Flatness (TIR) 0.001-0.006

[0.00004-0.000023]


[0.00098]

Swashplate

Thickness across journals 28.58

[1.007]

25.02

[0.985]

25.02

[0.985]

Thickness equality

(side to side)

0.0508

[0.002]

Slipper running

face flatness

0.00254

[0.0001]

seRies 42





frame L k J

25cc 30cc 38cc 45cc 60cc 75cc

Cylinder block


[2.000]

56.48

[2.224]

62.25

[2.450]

Maximum bore diameter 13.88

[0.5465]

15.22

[0.5992]

16.44

[0.6473]

17.98

[0.7079]

19.8

[0.7795]

21.57

[0.8492]


[0.000079]

Piston assembly


thickness

2.67

[0.105]

4.03

[0.1587]

3.23

[0.1272]


end play

0.102

[0.004]

0.102

[0.004]

0.05

[0.002]

Valve plate


[0.1528]


[0.0002]


[0.00098]

Swashplate

Minimum height 32.695

[1.287]

See Note:

Note: J Frame swashplate is not reworkable. Servo pads extend above surface of running face, making lapping impossible.

Positioning of servo pads is extremely important; therefore they should not be removed and re-pressed to enable lapping.

seRies 45

frame H G e f

57cc 75cc 74cc 90cc 100cc to 147cc 74cc 90cc

Cylinder block


[2.450]

68.88

[2.712]

76.68

[2.712]

68.88

[2.712]

Maximum bore diameter 19.80

[0.7796]

21.57

[0.8491]

21.57

[0.8491]

22.74

[0.8953]

25.87

[1.01850]

21.57

[0.8491]

22.74

[0.8953]


[0.000079]

Piston assembly


thickness

3.23

[0.127]

4.411

[0.1737]

4.91

[0.1933]

4.411

[0.1737]


end play

0.05

[0.002]

Valve plate


[0.1949]


[0.00015]


[0.00098]

Swashplate

Flatness (TIR) Note: Swashplate is not reworkable. Servo pads extend above surface

of running face, making lapping impossible.

Positioning of servo pads is extremely important; therefore they should

not be removed and re-pressed to enable lapping.

0.0025

[0.0001]


[0.0025]



14 520L1033 • Rev BG • February 2010



Displacement 30cc 42cc 55cc 75cc

Endcap Flatness 0.00254-0.00127 [0.000100-0.000500] Convex

Cylinder block


[2.364]

64.15

[2.526]

70.00

[2.756]

77.02

[3.032]

Maximum piston bore

diameter

15.288

[0.6019]

17.233

[0.6786]

18.712

[0.7367]

20.749

[0.8169]

Flatness (TIR) 0.0006 - 0.0026

[0.000024 - 0.000100] Convex

Piston assembly


thickness

2.57

[0.101]

2.90

[0.114]

3.15

[0.124]

3.505

[0.8169]


end play

0.1524

[0.006]

Thrust plate

(motors only)

Minimum thickness NA NA 5.588

[0.220]

5.715

[0.220]

Flatness NA NA 0.00254

[0.001]

Parallelism NA NA 0.0127

[0.0005]

Swashplate

Minimum thickness NA 38.40

[1.512]

41.30

[1.626]

46.46

[1.829]

Flatness 0.00254

[0.0001]

Thickness equality, side

to side

0.0635

[0.0025]

Inspect for wear in leveller pad areas. Excessive wear in this area may adversely affect

neutral.

Endcap journal

bearing

Distance below valve

plate surface of the

endcap

21.00 - 21.49

[0.827 - 0.846]

0 - 0.51

[0 - 0.020]

seRies 90





Displacement 100cc 130cc 180cc 250cc

Endcap Flatness 0.00254-0.00127 [0.000100-0.000500] Convex

Cylinder block


[3.320]

92.55

[3.644]

103.20

[4.063]

101.29

[3.988]

Maximum piston bore

diameter

22.761

[0.8961]

24.897

[0.9802]

27.729

[1.097]

30.983

[1.2202]

Flatness (TIR) 0.0006 - 0.0026

[0.000024 - 0.000100] Convex

Piston assembly


thickness

3.86

[0.152]

4.216

[0.166]

4.724

[0.186]

5.26

[0.207]


end play

0.1524

[0.006]

Thrust plate

(motors only)


[0.220]

5.715

[0.220]

NA NA

Flatness 0.00254

[0.001]

NA NA

Parallelism 0.0127

[0.0005]

NA NA

Swashplate


[2.014]

55.88

[2.200

65.41

[2.575]

67.54

[2.659]

Flatness 0.00254

[0.0001]

Thickness equality, side

to side

0.0635

[0.0025]

Inspect for wear in leveller pad areas. Excessive wear in this area may adversely affect

neutral.

Endcap journal

bearing

Distance below valve

plate surface of the

endcap

0 - 0.51

[0 - 0.020]

seRies 90 (continued)

Series 90 valve plates are relatively low cost items. Therefore, replacement is safer and more econical than inspection and rework.

However, if necessary, the valve plate can be re-lapped. Maintain minimum thickness and thickness uniformity specifications.

valve plate

minimum thickness 1.143 [0.045]

thickness uniformity

(within)

0.003 mm per centimeter

0.0003 inch per inch

valve plate


16 520L1033 • Rev BG • February 2010



Series Minimum block height Maximum bore diameter Flatness (TIR) convex

20-20 63.50

[2.500]

14.899

[0.58656]

0.00127

[0.000050]

20-21 73.41

[2.890]

17.238

[0.67865]

0.00127

[0.000050]

20-22 78.99

[3.110]

19.072

[0.75085]

0.00127

[0.000050]

20-23 83.57

[3.290]

20.655

[0.81319]

0.001397

[0.000055]

20-24 90.17

[3.550]

22.758

[0.89597]

0.001524

[0.000060]

20-25 101.09

[3.980]

25.423

[1.00090]

0.001778

[0.000070]

20-26 110.49

[4.350]

28.205

[1.11043]

0.001905

[0.000075]

20-27 123.70

[4.870]

32.126

[1.26482]

0.00127

[0.000050]

30-33 82.14 Total

[3.234]

18.312

[0.72250]

0.00127

[0.000050]

30-34 89.62 Total

[3.530]

20.083

[0.79065]

0.00127

[0.000050]

30-36 102.36 Total

[4.030]

22.992

[0.90520]

0.00127

[0.000050]

seRies 20/seRies 30 Cylinder block

Dimensions mm [in]




Series Minimum slipper foot

thickness


endplay

Piston/slipped

endplay

20-20 3.68

[0.144]

0.152

[0.006]

NA

20-21 4.24

[0.167]

0.152

[0.006]

NA

20-22 4.70

[0.185]

0.152

[0.006]

0.0508

[0.002]

20-23 5.11

[0.201]

0.152

[0.006]

0.0508

[0.002]

20-24 5.61

[0.221]

0.152

[0.006]

0.0508

[0.002]

20-25 6.30

[0.248]

0.152

[0.006]

0.0508

[0.002]

20-26 7.01

[0.276]

0.152

[0.006]

0.0508

[0.002]

20-27 8.99

[0.354]

0.152

[0.006]

0.0508

[0.002]

30-33 3.10

[0.122]

0.152

[0.006]

NA

30-34 3.38

[0.133]

0.152

[0.006]

NA

30-36 3.89

[0.153]

0.152

[0.006]

NA

Series 20 plastic filled pistons may be replaced with welded pistons if replaced in multiples of three, being equally spaced within the nine bores.

seRies 20/seRies 30 (continued)

Piston assembly

Dimensions mm [in]

18 520L1033 • Rev BG • February 2010



Valve plate

Series Minimum thickness Flatness (convex) Parallelism (TIR)

20-20 63.50 [2.500] 0.00127 [0.000050] 0.0127 [0.0005]

20-21 7.0231 [0.2765] 0.00127 [0.000050] 0.0127 [0.0005]

20-22 7.8232 [0.3080] 0.00127 [0.000050] 0.0127 [0.0005]

20-23 7.8232 [0.3080] 0.001397 [0.000055] 0.0127 [0.0005]

20-24 7.8105 [0.3705] 0.001524 [0.000060] 0.0127 [0.0005]

20-25 10.998 [0.4330] 0.001778 [0.000070] 0.0127 [0.0005]

20-25* 12.0532 [0.4745] 0.00127 [0.000050] 0.0127 [0.0005]

20-26 10.9982 [0.4330] 0.001905 [0.000075] 0.0127 [0.0005]

20-26* 12.8448 [0.5057] 0.00127 [0.000050] 0.0127 [0.0005]

20-27 12.5857 [0.4955] 0.002159 [0.000085] 0.0127 [0.0005]

20-27* 15.2273 [0.5995] 0.00127 [0.000050] 0.0127 [0.0005]

30-33 13.8938 [0.5470] 0.00127 [0.000050] 0.0127 [0.0005]

30-34 6.4262 [0.2530] 0.00127 [0.000050] 0.0127 [0.0005]

30-36 6.4262 [0.2530] 0.00127 [0.000050] 0.0127 [0.0005]

* Thin valve plate


valve plate

Dimensions mm [in]

thrust plate

Thrust plate

Series Minimum thickness Flatness (convex) Parallelism (TIR)

20-20 5.8928 [0.2320] 0.00127 [0.000050] 0.0127 [0.0005]

20-21 6.8072 [0.2680] 0.00127 [0.000050] 0.0127 [0.0005]

20-22 7.4168 [0.2920] 0.00127 [0.000050] 0.0127 [0.0005]

20-23 7.2898 [0.2870] 0.00127 [0.000050] 0.0127 [0.0005]

20-24 7.8740 [0.3100] 0.001905 [0.000075] 0.0127 [0.0005]

20-25 8.382 [0.3300] 0.001905 [0.000075] 0.0127 [0.0005]

20-25* 12.0532 [0.4745] 0.00127 [0.000050] 0.0127 [0.0005]

20-26 9.7028 [0.3820] 0.001905 [0.000075] 0.0127 [0.0005]

20-26* 12.8448 [0.5057] 0.00127 [0.000050] 0.0127 [0.0005]

20-27 9.5758 [0.3770] 0.001905 [0.000075] 0.0127 [0.0005]

20-27* 15.2273 [0.5995] 0.00127 [0.000050] 0.0127 [0.0005]

30-33 NA NA NA

30-34 NA NA NA

30-36 NA NA NA

Dimensions mm [in]




(Heavy duty) bearing plates

Series Minimum

thickness

Flatness

(convex)

Parallelism

(TIR)

20-20 5.9817

[0.2355]

0.00127

[0.000050]

0.0127

[0.0005]

20-21 6.2865

[0.2745]

0.00127

[0.000050]

0.0127

[0.0005]

20-22 7.7724

[0.3060]

0.00127

[0.000050]

0.0127

[0.0005]

20-23 7.747

[0.3050]

0.001397

[0.000055]

0.0127

[0.0005]

20-24 7.7724

[0.3060]

0.001524

[0.000060]

0.0127

[0.0005]

20-25 903599

[0.3685]

0.001778

[0.000070]

0.0127

[0.0005]

20-25* 8.3058

[0.3270]

0.00127

[0.000050]

0.0127

[0.0005]

20-26 10.1524

[0.3997]

0.001905

[0.000075]

0.0127

[0.0005]

20-26* 8.3058

[0.3270]

0.00127

[0.000050]

0.0127

[0.0005]

20-27 10.947

[0.4310]

0.002159

[0.000085]

0.0127

[0.0005]

20-27* 8.3058

[0.3270]

0.00127

[0.000050]

0.0127

[0.0005]

30-33 2.7686

[0.1090]

0.0508

[0.002000]

0.0127

[0.0005]

30-34 3.0734

[0.2530]

0.0508

[0.002000]

0.0127

[0.0005]

30-36 6.4262

[0.2530]

0.0508

[0.002000]

0.0127

[0.0005]

Dimensions mm [in]

* Thick valve plate


bearing plate

20 520L1033 • Rev BG • February 2010



feature Dimension

Rotating seals Overall thickness (min.) 11.99 [0.472]

Step thickness (min.) 0.0584 [0.023

Stationary seals Step thickness (min.) 00584 [0.023]

Dimensions mm [in]

No pits, scratches, nicks, or indentations are allowed that extend more than 25% of the width of the sealing land surface. Irregularities above surface are not allowed.The O-ring sealing surfaces must be smooth, with no visible marks.

P106 254E

seRies 20 shaft seal identification

Rotating SealStationary Seal




Series Feedback link dimension A Link assembly

dimension B

Link dimension

CMDC EDC/HDC

20-21 38.91

[1.532]

27.58

[1.086]

30.73

[1.210]

30.73

[1.210]

20-22 38.91

[1.532]

27.58

[1.086]

30.73

[1.210]

30.73

[1.210]

20-23

(-09 and prior)

38.91

[1.532]

30.73

[1.210]

30.73

[1.210]

20-23

(-10 and up)

27.58

[1.086]

39.12

[1.540]

25.98

[1.023]

20-24 47.57 [1.873]

Overall length: 60.27 [2.373]

44.20

[1.740]

30.73

[1.210]

20-25 47.57 [1.873]

Overall length: 60.27 [2.373]

45.47

[1.790]

27.58

[1.086]

20-26 57.63

[2.269]

45.47

[1.790]

27.58

[1.086]

20-27 62.23

[2.450]

57.15

[2.250]

25.98

[1.023]

Control spool

Control shaft assembly

Swashplate

A

B

1.210"

C

P106 397E

Control opening in housing P106 398E

You can determine the dash number (configuration code) of 23 Series variable unit housings by measuring the length of the control opening. This dimension D is 73.91 mm [2.91 in] on -09 and prior housings and 71.37 mm [2.81 in] on -10 and later housings.

Control link identificationseRies 20 (continued)


Control link

Control opening in housing

22 520L1033 • Rev BG • February 2010



L seRies Displacement 15cc 23cc 38cc 50cc 70cc

Cylinder block

Minimum

block height

38.28

[1.507]

53.37

[2.101]

56.007

[2.205]

79.12

[3.115]


[0.000075]

0.0013

[0.000050]

Piston assembly

Minimum

slipper foot

thickness

3.18

[0.125]

3.40

[0.134]

4.06

[0.160]

4.29

[0.169]

4.75

[0.187]

Maximum

piston/slipper

end play

0.1016

[0.004]

Valve plate

Minimum

thickness

3.840

[0.1512]

4.950

[0.1949]

4.950

[0.1949]

7.023

[0.2765]

7.823

[0.3080]


[0.00015]

0.00127

[0.000050]

Parallelism

(TIR)

0.0305

[0.0012]

0.00127

[0.000050]

Thrust plate

Minimum

thickness

3.886

[0.153]

3.861

[0.152]

4.978

[0.196]

6.807

[0.268]

7.417

[0.292]


[0.0002]

0.00127

[0.000050]

Parallelism

(TIR)

0.0102

[0.0004]

0.00127

[0.000050]


model 25cc 30cc 35cc

Cylinder block


[2.495]

Maximum piston bore

diameter

13.861

[0.546]

15.201

[0.598]

16.439

[0.647]


[0.000079]

Piston assembly


thickness

2.712

[0.107]


end play

0.152

[0.006]

Valve plate


[0.153]


[0.00015]


[0.00098]

Endcap Flatness (TIR) 0.005 [0.0002]

Swashplate Swashplate is not lappable.

LPv





L&k motoRs Lv and LC motors

Displacement 25cc 30cc 35cc

Cylinder block

Minimum

block height

50.8

[2.000]

Maximum

bore diameter

13.879

[0.546]

15.219

[0.5999]

16.439

[0.647]


[0.000078]

Piston assembly

Minimum

slipper foot

thickness

2.71

[0.107]

Maximum

piston/slipper

end play

0.1524

[0.006]

Valve plate

Minimum

thickness

3.88

[0.153]


[0.00015]

Parallelism

(TIR)

0.025

[0.00098]

Swash plate

Minimum

thickness

LV - 25.79[1.015]

LC - 33.845 [1.332]


[0.00098]


kv and kC motors

Displacement 38cc 45cc

Cylinder block

Minimum

block height

56.38

[2.22]

Maximum

bore diameter

16.439

[0.647]

17.979

[0.707]


[0.000078]

Piston assembly

Minimum

slipper foot

thickness

4.07

[0.160]

Maximum

piston/slipper

end play

0.102

[0.004]

Valve plate

Minimum

thickness

3.88

[0.153]


[0.00015]

Parallelism

(TIR)

0.025

[0.00098]

Swash plate

Minimum

thickness

KV - 24.59 [0.968]

KC - 32.605 [1.283]


[0.00098]

24 520L1033 • Rev BG • February 2010



seRies 51Displacement 60cc 80cc 110cc 160cc 250cc

Cylinder block

Minimum

block height

51.4

[2.023]

58.5

[2.303]

62.9

[2.476]

71.3

[2.807]

82.7

[3.256]

Maximum

bore diameter

16.126

[0.6349]

17.864

[0.7033]

19.733

[0.7769]

22.466

[0.8845]

25.966

[1.0223]


[0.000157]

not concave

Bearing plates

Minimum

thickness

2.850 (0.201 Bronze)

[0.1122] (0.0079 Bronze)


[0.0019]





model 078 089 100 115 130 147cc 165cc

Cylinder block

Minimum block

height (A)

67.07

[2.64]

72.92

[2.87]

78.87

[3.11]

79.87

[3.14]

87.27

[3.44]

Maximum bore

diameter (B)

20.742

[0.8166]

21.364

[0.8411]

22.755

[0.8959]

24.3

[0.9566]

25.8

[1.01657]

25.250

[0.9940]

26.695

[1.0495]


[0.000102]

Total cylinder block

height (C)

83.7

[3.29]

91.95

[3.62]

98.9

[3.89]

106.72

[4.201]

Piston assembly


thickness

3.52

[0.139]

3.83

[0.151]

4.18

[0.165]

4.53

[0.178]

5.25

[0.207]


end play

0.1524

[0.006]

Valve plate


[0.019]

5.85

[0.230]


[0.0004]


[0.0018]

Swashplate

Swashplate is not reworkable. Control arm extends above surface of running face, making lapping impossible.

Endcap (raised

cylinder portion)

Flatness (TIR) 0.0010-0.0050

[0.00004-0.0002]

convex 0.0010-0.0060

[0.00004-0.00023]

convex

Cylinderblock

A

flat to 0.002 mm

[0.000079 in]P101 067E

C

B

Cylinder dimensions

a Block height




Cylinder block

H1 078/089/100/115/130/147/165 PumPs


26 520L1033 • Rev BG • February 2010



model 45cc 53cc

Cylinder Block

Minimum block height

(A)

60.62

[2.387]

Maximum bore diameter

(B)

16.439

[0.6472]

17.9782

[0.7078]


[0.000079]


height (C)

76.92

[3.028]

Piston Assembly


thickness

3.66

[0.144]


end play

0.102

[0.004]

Valve Plate


[0.195]


[0.00030]


[0.00098]

Swashplate Plate

Note: Swashplate is not reworkable. Control arm extends above

surface of running face, making lapping impossible.

End cap/center

section

Flatness (TIR)

(raised cylinder portion)

0.013

[0.00051]

Cylinderblock

A

flat to 0.002 mm

[0.000079 in]P101 067E

C

B

Cylinder dimensions

a Block height




Cylinder block

H1 45/53 PumPs





model 060 080cc 110cc

Cylinder Block

Minimum block height

(A)

47.13

[1.856]

51.80

[2.039]

57.7

[2.272]

Maximum bore diameter

(B)

16.127

[0.635]

17.827

[0.7018]

19.733

[0.7769]


[0.00016]


height (C)

57.65

[2.2697]

63.65

[2.5059]

70.65

[2.7815]

Bearing plate


[0.1122]


[0.00031]


[0.00031]

Cylinderblock

A

P107 854E

C

B

Flatness (TIR)

Cylinder dimensions

a Block height



Cylinder block

H1b motoRs


sauer-Danfoss mobile Power and Control systems– market Leaders worldwide

Sauer-Danfoss is a comprehensive supplier providing complete systems to the global mobile market.

Sauer-Danfoss serves markets such as agriculture, construction, road building, material handling, municipal, forestry, turf care, and many others.

We offer our customers optimum solutions for their needs and develop new products and systems in close cooperation and partner ship with them.

Sauer-Danfoss specializes in integrating a full range of system components to provide vehicle designers with the most advanced total system design.

Sauer-Danfoss provides comprehensive worldwide service for its products through an extensive network of Global Service Partners strategically located in all parts of the world.

Local address:

Sauer-Danfoss (US) Company2800 East 13th StreetAmes, IA 50010, USAPhone: +1 515 239-6000Fax: +1 515 239 6618

Sauer-Danfoss GmbH & Co. OHGPostfach 2460, D-24531 NeumünsterKrokamp 35, D-24539 Neumünster, GermanyPhone: +49 4321 871-0Fax: +49 4321 871 122

www.sauer-danfoss.com

our Products

Open circuit axial piston pumps

Gear pumps and motors

Fan drive systems

Closed circuit axial piston pumps and motors

Bent axis motors

Hydrostatic transmissions

Transit mixer drives

Hydrostatic transaxles

Electrohydraulics

Integrated systems

Microcontrollers and software

PLUS+1™ GUIDE

Displays

Joysticks and control handles

Sensors

Orbital motors

Inverters

Electrohydraulic power steering

Hydraulic power steering

Hydraulic integrated circuits (HIC)

Cartridge valves

Directional spool valves

Proportional valves

Sauer-Danfoss ApSDK-6430 Nordborg, DenmarkPhone: +45 7488 4444Fax: +45 7488 4400

Sauer-Danfoss-Daikin LTDShin-Osaka TERASAKI 3rd Bldg.6F1-5-28 Nishimiyahara, Yodogawa-ku,Osaka 532-0004, JapanPhone: +81 6 6395 6066Fax: +81 6 6395 8585


Tolerancias Bombas y Motores Danfoss

Documents

Transcript of Tolerancias Bombas y Motores Danfoss