Series cc Axial Piston Motor. Parts Manual

Transcription

1 Series cc Axial Piston Motor

2 2007 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 aren t in conflict with agreed specifications. All trademarks in this material are properties of their respective owners. Front cover illustrations: P , P , P , P

3 Contents General Information Service parts identification... 4 Nameplate... 4 Date code... 5 Service bulletins... 5 Procedure to identify a part... 5 fixed displacement motor Order code... 7 Common parts Special hardware End cap Loop flushing Charge pressure Shaft Overhaul seal kit...21 service bulletin SB (dowel pin change)...22 SB (piston improvement)...23 SB (end cap, loop flushing, and adding adjustable cprv) SB (shaft)...26 SB (end cap) SB (housing)...29 SB (loop flushing spring and spring seat)...30 SB (end cap gasket material)...31 SB (valve plate)...32 SB (housing)...33 SB (cylinder block)...34 SB (shaft)...35

4 General information Service parts indentification The following information and procedure is used to identify the module group, item number, manufacture date, part number, and part name of the parts included in the Series 90, 100 cc motors. The parts listed include all parts which may be used when performing either Minor Repairs, Major Repairs or Conversions on the Series 90, 100 cc motor. nameplate Each unit will have a nameplate affixed to the housing. The nameplate will include the following information. Model Code The Sauer-Danfoss model code completely defines the specific unit and must be used when ordering parts to service this product. Model Number The Sauer-Danfoss model number is used by the factory in manufacturing. On repeat orders, a complete unit can be ordered by the model number. Serial Number The Sauer-Danfoss serial number is used to identify the manufacture date and the unit sequence in the build. The serial number is also used to identify the units warranty time period. Ames, Iowa, U.S.A. Model Code Model No. Neumunster, Germany Typ 90M100 NC 0 N 8 N 0 S1 W 00 NNN Ident Nr A Serial No. Fabr Nr MADE IN U.S.A. The letter code indicates the location of original manufacture (assembly). A indicates the unit was originally assembled in Ames, Iowa, USA. N indicates the unit was originally assembled in Neumunster, Germany. The first number (2 digits) indicates the year of manufacture. ( 01 would indicate the unit was manufactured in 2001) The second number (2 digits) indicates the calendar week of manufacture. The third number (5 digits) is a sequential number used to identify a specific unit. 4

5 General information date code The date code is defined as the year and week of manufacture. The same item number may list more than one part number. This indicates that there is more than one configuration for that item number. You will see that there are different date codes for the different part numbers. Find the date code of your unit from the nameplate to determine which service part number you need to order. EXAMPLE: The service part desired is Item H10 Order date Date Code Item Begin End Part Number Part Name usage N H Loop flushing spool, defeated 1 H Loop flushing spool, defeated (SB ) 1 All units using this order code with a date code of and up to and including 89-37, must use part number All units with a date code of and newer must use part number service bulletins procedure to identify a part A Service Bulletin Number (SB- - _) may follow the Part Name of the part you desire. You must read that Service Bulletin prior to ordering that part. The information contained in these Service Bulletins, as of the print date of this bulletin, are included at the end of this manual. Service Bulletins contain more detailed information such as interchangeability, what additional parts are involved, etc. It is suggested that you add additional Service Bulletins to this manual as you recieve them. General The modular design of Series 90 units results in a simplified service parts list and part number identification procedure. The same item numbers are used for same part names on all units within a product type. (Example: The lip seal - Item L40 has the same item number on all motors.) A part number that has another number following it in parentheses is done to make this a world wide manual. The first number is sold in Germany. The number in parentheses is sold in the United States. (Example: ( ), customers would order if ordering the part in the United States.) Example of a Part Identification The nameplate on a Series 90 motor has an Order Code of 90M100 NC 0 N 8 N 0 S1 W 00 NNN Use the following procedures to determine the part number of the drive shaft used on this motor. 1) Referring to the output shaft module in the Order Code (see page 7), the output shaft option for this motor is identified by the code S1. (90M100 NC 0 N 8 N 0 S1 W 00 NNN ) 2) Referring to the Service Parts List, find the shaft group. Next find the order code that relates to this unit, which is S1. The shaft is found to be item L100 and part number

6 Notes

7 Order code series displacement G L H W K 9 0 M N C 0 N 8 N 0 S 1 W 0 0 N N N type not applicable not applicable not applicable end cap not applicable not applicable shaft Loop flushing not applicable special hardware features not applicable not applicable charge pressure setting P E

8 Fixed displacement motor L60 L70 L40 L10 L0 L50 L25 B80A B80 B10 B50 b8a b8 d50 B50 B81A B81 B83A B83 s0 c0 c40 c0 C05 c45 C13 C50 C15 C16 C14 G30 c80 G90 G90 G96 E E Enlarged bold type item numbers are recommended part to stock for servicing. 8

9 Fixed displacement motor common parts Order date Date Qty. per Code Item Begin End Part Number part Name model/kit B Housing (SB , , and ) 1 B Pin (SB ) 2 B Pin 2 B ( ) Plug assembly 1 B80A ( ) O-ring 1 B ( ) Plug assembly 1 B81A ( ) O-ring 1 C Spring seat 1 C ( ) Cylinder block spring 1 C ( ) Spring retainer 1 C Retaining ring 1 C Slipper guide 1 C Slipper guide retainer 1 C Slipper guide retainer spacer 1 C Hold down tube 1 C Valve plate (SB ) 1 C Valve plate (SB ) 1 D Thrust plate (SB ) 1 G End cap gasket (SB ) 1 G ( ) Screw (SB ) 6 G ( ) Screw (SB ) 4 G ( ) Screw (SB ) 2 G ( ) Screw 1 L Roller beraing 1 L Retaining ring 1 L Seal assembly 1 L Lip seal 1 L ( ) O-ring 1 L Retainer plate 1 L ( ) Screw 4 special hardware CAA S Cylinder block kit, w/o speed ring (SB ) 1 C Cylinder block assembly w/o speed ring (SB ) 1 C Piston assembly, hollow (SB ) 9 B ( ) Plug assembly 1 B83A ( ) O-ring 1 EAA S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B KPPG12508 Speed sensor 1 B83A ( ) O-ring 1 EAF S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B KPPG13808 Speed sensor 1 B83A ( ) O-ring 1 9

10 Fixed displacement motor B83A B83 b8a b8 s0 c0 C05 E E Enlarged bold type item numbers are recommended part to stock for servicing. 10

11 Fixed displacement motor common parts Order date Date Qty. per Code Item Begin End Part Number part Name model/kit EAH S Cylinder block kit, w/speed ring 1 C Cylinder block assembly w/speed ring 1 C Piston assembly, welded (SB ) 9 B KPPG13808 Speed sensor 1 B83A ( ) O-ring 1 EAK S Cylinder block kit, w/speed ring 1 C Cylinder block assembly w/speed ring 1 C Piston assembly, welded (SB ) 9 B Speed sensor 1 B83A ( ) O-ring 1 EBA S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B KPPG13408 Speed sensor 1 B83A ( ) O-ring 1 EBB S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B KPPG14408 Speed sensor 1 B83A ( ) O-ring 1 EEA S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B ( ) Plug assembly 1 B83A ( ) O-ring 1 EFA S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B KPPG136 Speed sensor 1 B83A ( ) O-ring 1 EFB S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B KPPG136 Speed sensor 1 B83A ( ) O-ring 1 EFJ S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B KPPG176 Speed sensor 1 B83A ( ) O-ring 1 11

12 Fixed displacement motor B83A B83 b8a b8 s0 c0 C05 E E Enlarged bold type item numbers are recommended part to stock for servicing. 12

13 Fixed displacement motor special hardware Order date Date Qty. per Code Item Begin End Part Number part Name model/kit EGH S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B KPPG13703 Speed sensor 1 B83A ( ) O-ring 1 EHD S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B KPPG16408 Speed sensor 1 B83A ( ) O-ring 1 JAF S Cylinder block kit, w/o speed ring (SB ) 1 C Cylinder block assembly. w/o speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B ( ) Plug assembly 1 B83A ( ) O-ring 1 JAH S Cylinder block kit, w/o speed ring (SB ) 1 C Cylinder block assembly. w/o speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B ( ) Plug assembly 1 B83A ( ) O-ring 1 LAB S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B KPPG14408 Speed sensor 1 B83A ( ) O-ring 1 LAC S Cylinder block kit, w/speed ring (SB ) 1 C Cylinder block assembly w/speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B ( ) Plug assembly 1 B83A ( ) O-ring 1 NNN S Cylinder block kit, w/o speed ring (SB ) 1 C Cylinder block assembly. w/o speed ring (SB ) 1 C Piston assembly, welded (SB ) 9 B ( ) Plug assembly 1 B83A ( ) O-ring 1 13

14 Fixed displacement motor G50 G50A G51A G51 G70A G70 G0 G04 G63 twin port end cap G50 G50A G51A G51 G70A G70 G0 G04 G63 axial port end cap E E Enlarged bold type item numbers are recommended part to stock for servicing. 14

15 Fixed displacement motor end cap Order date Date Qty. per Code Item Begin End Part Number part Name model/kit 1 G End cap assy., twin (SB , , ) 1 G Journal bearing 1 G ( ) Plug assembly 1 G50A ( ) O-ring 1 G ( ) Plug assembly 1 G51A ( ) O-ring 1 G Split clamp (code 61 hose) 4 G ( ) Plug assembly 1 G70A ( ) O-ring 1 3 G End cap assy., axial (SB , , ) 1 G Journal bearing 1 G ( ) Plug assembly 1 G50A ( ) O-ring 1 G ( ) Plug assembly 1 G51A ( ) O-ring 1 G Split clamp (code 61 hose) 4 G ( ) Plug assembly 1 G70A ( ) O-ring 1 7 G End cap assy., axial (SB , , ) 1 G Journal bearing 1 G ( ) Plug assembly 1 G50A ( ) O-ring 1 G ( ) Plug assembly 1 G51A ( ) O-ring 1 G ( ) Plug assembly 1 G70A ( ) O-ring 1 8 G End cap assy., twin (SB , , ) 1 G Journal bearing 1 G ( ) Plug assembly 1 G50A ( ) O-ring 1 G ( ) Plug assembly 1 G51A ( ) O-ring 1 G ( ) Plug assembly 1 G70A ( ) O-ring 1 15

16 Fixed displacement motor G50 G50A G51A G51 G57 G50 G50A G51 G51A G58 G70A G70 G0 G70A G70 G0 B80 B80A G04 G04 B80 H50A H50 H50A H10 H50 h50a H30 H50 H30 H20 h10 H20 H30 H50 H30 h50a E E Enlarged bold type item numbers are recommended part to stock for servicing. 16

17 Fixed displacement motor end cap Order date Date Qty. per Code Item Begin End Part Number part Name model/kit E G End cap assembly, twin metric ports (SB ) 1 G Journal bearing 1 G ( ) Plug assembly 1 G50A ( ) O-ring 1 G ( ) Plug assembly 1 G51A ( ) O-ring 1 G ( ) Plug assembly 1 G70A ( ) O-ring 1 G ( ) Plug assembly 1 G80A ( ) O-ring 1 G ( ) Plug assembly 1 G81A ( ) O-ring 1 G G End cap assembly, twin metric ports 1 G Journal bearing 1 G Diagnostic recepticle 1 G50A ( ) O-ring 1 G Diagnostic recepticle 1 G51A ( ) O-ring 1 G Dust cover 1 G Dust cover 1 G ( ) Plug assembly 1 G70A ( ) O-ring 1 loop flushing N H Loop flushing spool, defeated 1 H ( ) Loop flushing spool, defeated (SB ) 1 H ( ) Plug assembly 2 H50A ( ) O-ring 2 W H Shuttle spool 1 H ( ) Loop flushing spool (SB ) 1 H ( ) Spring guide (SB ) 2 H Spring guide assembly (SB ) 2 H Spring (SB ) 2 H Plug assembly 2 H ( ) Plug assembly (SB ) 2 H50A ( ) O-ring 2 17

18 Fixed displacement motor Obsolete K50 K62 K64 K66 K10 K10A K50 K000 K95a K K50 E E Enlarged bold type item numbers are recommended part to stock for servicing. 18

19 Fixed displacement motor charge pressure setting Order date Date Qty. per Code Item Begin End Part Number part Name model/kit 00 K ( ) Plug assembly 1 K ( ) Plug assembly 1 K10A ( ) O-ring 1 K10A ( ) O-ring K Adjustable charge relief valve kit 1 K ( ) O-ring 1 K ( ) O-ring 1 K ( ) Shim, 010 (SB ) 1 K ( ) Shim, 020 (SB ) 1 K ( ) Shim, 030 (SB ) 1 K ( ) Shim, 040 (SB ) 1 K Spring (SB ) 1 K ( ) Poppet (SB ) 1 A0 K Cartridge CPRV kit, 13 bar, 11 L/min 1 K ( ) O-ring 1 K95A ( ) O-ring 2 A3 K Cartridge CPRV kit, 13 bar, 16 L/min 1 K ( ) O-ring 1 K95A ( ) O-ring 2 E4 K Cartridge CPRV kit, 16 bar, 4 L/min 1 K ( ) O-ring 1 K95A ( ) O-ring 2 E6 K Cartridge CPRV kit, 16 bar, 7 L/min 1 K ( ) O-ring 1 K95A ( ) O-ring 2 F0 K Cartridge CPRV kit, 16 bar, 11 L/min 1 K ( ) O-ring 1 K95A ( ) O-ring 2 F3 K Cartridge CPRV kit, 16 bar, 16 L/min 1 K ( ) O-ring 1 K95A ( ) O-ring 2 G0 K Cartridge CPRV kit, 16 bar, 22 L/min 1 K ( ) O-ring 1 K95A ( ) O-ring 2 G3 K Cartridge CPRV kit, 16 bar, 27 L/min 1 K ( ) O-ring 1 K95A ( ) O-ring 2 19

20 Fixed displacement motor L80 L100 L100 L80 L100 L90 L1 E E Enlarged bold type item numbers are recommended part to stock for servicing. 20

21 Fixed displacement motor shaft Order date Date Qty. per Code Item Begin End Part Number part Name model/kit C6 L Shaft, 21 tooth spline, 16/32 1 C7 L Shaft, 23 tooth spline, 16/32 (SB & ) 1 F1 L Shaft, 13 tooth spline, 8/16 (SB & ) 1 F2 L Shaft, 13 tooth spline, 8/16, special (SB ) 1 G7 L Shaft, 23 tooth spline, 16/32 1 K3 L Shaft, straight key (SB ) 1 L ( ) Key,.375 x S1 L Shaft, 14 tooth spline, 12/24 (SB ) 1 S5 L Shaft, 17 tooth spline, 12/24 (SB ) 1 T2 L Shaft, tapered (SB ) 1 L Cotter pin 1 L ( ) Woodruff key,.3730 x L Slotted nut 1 overhaul seal kit S30 Overhaul seal kit, 90M100 G End cap gasket (SB ) 1 H50A ( ) O-ring 2 K ( ) O-ring 1 L Lip seal 1 L ( ) O-ring 1 21

22 Service Bulletin: SB products affected subject description Series 90 fixed motors Dowel pin change A product change has occurred on Series cc and 100 cc fixed displacement motors. The dowel pins (item G25) have increased in diameter from 1/4 to 3/8. With this change, the dowel pin hole diameters in the end cap (item G047 or G048), housing (item B10), and the valve plate (item C80) have also changed. In addition, the thrust plate (item D50) in the 100 cc fixed displacement motor has also changed to fit the new housing. This change creates spare parts non-interchangeability among all of the above mentioned parts. All of the affected parts remain available for the repair of any vintage Series 90 fixed motor. Refer to the date code portion of the serial number on the name plate of the motor being repaired when ordering parts. B10 G047 or G048 C80 D50 G25 models affected All 95-3xxx (75 cc) and 96-3xxx (100cc) series 90 fixed displacement motors serial numbers Series cc fixed motors, 95-3xxx, changed at serial number A xxxxx. Series cc fixed motors, 96-3xxx, changed at serial number A xxxxx. part numbers affected Qty/ 75 cc 75 cc 100 cc 100 cc Item* Motor Prior to From Prior to From G G C D50 1 No Change No Change G B parts disposition Non-interchangeable 22

23 Service Bulletin: SB products affected subject description Series 90 pumps and motors Piston improvement Product Information Bulletin PIB-8801 (March, 1988) announced the incorporation of fabricated (welded) piston assemblies, replacing non-fabricated (hollow) piston assemblies, in the cylinder blocks of all Series 90 pumps and motors. This change increases the overall efficiency of the Series 90 product line. To simplify service parts inventory for all Series 90 units, only individual welded piston assemblies will be available as spare parts. The hollow pistons will be obsoleted. Part numbers for individual welded piston assemblies are listed in this bulletin. Since all Series 90 pumps and motors have nine (9) pistons, welded pistons being used to replace hollow pistons during repair MUST be install in the cylinder block symmetrically, in multiples of three (3). Welded Piston Assembly Hollow Piston Assembly When replacing hollow pistons with welded pistons, it is mandatory that the welded pistons be incorporated symmetrically in multiples of three. models affected serial numbers All series 90 pumps and motors: 93-xxxx, 94-xxxx, 95-xxxx, and 96-xxxx pumps Welded pistons will be incorporated into all series 90 pumps and motors by the end of the first quarter of part numbers affected Part number description Piston assembly, welded - 42 cc Piston assembly, welded - 55 cc Piston assembly, welded - 75 cc Piston assembly, welded cc parts disposition Interchangeable 23

24 Service Bulletin: SB products affected subject description Series 90 fixed displacement motors Incorporation of adjustable charge relief valve As a product improvement, Sauer-Danfoss is incorporating an externally adjustable charge relief valve on all series 90 fixed displacement motors. This design replaces the previous shimmed relief valve. The new design valve provides a range of pressure adjustment from 10 to 32 bar. The diameter of the loop flushing shuttle spool increases from.25 (6.35mm) to.375 (9.53mm) at the same incorporation date as the charge relief valve change. This is a non-interchangeable change. Adjustable style charge relief valves can not be added to motors manufactured before this incorporation date. Old style end caps, which house the charge relief and loop flushing valves, will not be acailable as service parts. If new end caps are required, new style charge relief and loop flushing parts must also be installed. Charge relief valve adjustment procedures can be found in the Series 90 Service Manual (BLN-9947 Rev. B). Charge pressure increases/decreases at the rate of 78 psi (5.4 bar) per turn clockwise/countercolockwise. The new style charge relief plug protrudes from the motor end cap approximately.63 (16mm) farther than the shimmed design. New dimensions from the center line to the top of the charge relief valve plug are shown below. A Dimension A Size Non-adjustable Adjustable (New) 55 cc 3.24 (82.3mm) 3.87 (98.3mm) 75 cc 3.50 (88.9mm) 4.13 (105mm) 100cc 3.64 (92.5mm) 4.27 (108.5mm) 24

25 Service Bulletin: SB models affected All 94-3xxx, 95-3xxx, and 96-3xxx fixed displacement motors serial numbers affected part numbers affected All 55 cc motors (94-3xxx) will change at s/n A xxxxx All 75 cc motors (95-3xxx) will change at s/n A xxxxx All 100 cc motors (96-3xxx) will change at s/n A xxxxx Charge relief and loop flushing hardware for old vintage motors can be found in the Series 90 (520L0890). The new part numbers are as follows: New charge relief and loop flushing hardware Item Part number Description Qty K Nut 1 K Plug assembly 1 K O-ring 1 K Spring 1 K Poppet 1 K Plug assembly 1 H10W Shuttle valve spool 1 H20W Washer 2 H30W Spring 2 H40W O-ring 2 H50W Plug assembly 2 H10N Loop flushing spool, defeated 1 New end caps Part number Description Twin port - 55 cc Axial port - 55 cc Twin port - 75 cc Axial port - 75 cc Twin port cc Axial port cc H50W K000 H40W H20W H68W H60W H62W H64W H66W H30W H10N H10W H20W H40W parts disposition Non-interchangeable H30W H50W 25

26 Service Bulletin: SB products affected subject description Series cc fixed and variable motors Motor shaft change As a product improvement, Sauer-Danfoss is changing the design of the output shaft used in 55 thru 100 cc fixed and variable motors. The surface finish for the rear shaft bearing has been improved. The new style shaft can be used in place of the old style shaft. The old style shafts are obsolete and no longer available as a service part. models affected All 943xxx, 944xxxx, 953xxxx, 954xxxx, and 963xxxx motors serial numbers This change became effective at serial number A xxxxx and beyond part numbers affected 55 cc Motors Shaft Old New code/type p/n p/n C6 /mf K1 /mf S1 /mf S1 /mv S7 /mv T1 /mf cc Motors Shaft Old New code/type p/n p/n C7 /mf F1 /mf F2 /mf K3 /mf S1 /mf S3 /mf S5 /mf T2 /mf cc Motors Shaft Old New code/type p/n p/n C6 /mf C7 /mf K2 /mf K2 /mv S1 /mf S1 /mv S3 /mf S7 /mv T2 /mf parts disposition Interchangeable 26

27 Service Bulletin: SB products affected subject description Series 90 55cc, 75cc, and 100cc fixed displacement motors, and 55cc and 75cc variable displacement motors Charge relief seat Sauer-Danfoss has initiated a change to the end caps used on series 90 55cc, 75cc, and 100cc fixed displacement motors, and the series 90 55cc and 75cc variable displacement motors. Currently, the end caps used on these motors contain a pressed in insert, which serves as a seat for the charge pressure relief valve assembly. The insert was originally introduced to provide a suitable wear surface for the charge pressure relief valve poppet. Since the original design, a number of changes to the charge pressure relief valve design have reduced the severity of the wear characteristics between the poppet and relief seat. These changes have now made it possible to remove the insert from the end cap assembly. The design of the motor end cap has been modified in a manner that allows the charge relief poppet to seat directly against the casting machined surface. The removal of the insert was initially introduced with the series cc motors in 1995, and with this change a more uniform product family is achieved. To aid in identifying and tracking this change, Sauer-Danfoss has released new end cap part numbers. The new end cap is directly interchangeable with the previous end cap and with adjustable charge pressure relief valve components. The previous end cap part numbers will no longer be available as service parts. Page 2 of this bulletin provides part number cross-reference information. 27

28 Service Bulletin: SB models affected serial numbers affected All 94-3xxx, 943xxxx, 95-3xxx, 953xxxx, 96-3xxx, and 963xxxx fixed displacement motors All 94-4xxx, 944xxxx, 95-4xxx, 954xxxx variable displacement motors Change became effective with s/n A xxxxx and beyond part numbers affected Order Split flange Prior to Current Motor type Displacement code Porting thread Fixed 55 cc D Twin Metric Fixed 55 cc 1 & 8 Twin English Fixed 55 cc 3 & 7 Axial English Variable 55 cc R Twin Metric Variable 55 cc 1 & 8 Twin English Fixed 75 cc D Twin Metric Fixed 75 cc 1 & 8 Twin English Fixed 75 cc 3 & 7 Axial English Variable 75 cc 1 & 8 Twin English Fixed 100 cc E Twin English Fixed 100 cc 1 & 8 Twin English Fixed 100 cc 3 & 7 Axial English parts disposition Interchangeable 28

29 Service Bulletin: SB products affected Series 90100cc fixed displacement motors subject Motor housing change description Sauer-Danfoss has introduced a design change to the motor housings used on all series cc fixed displacement motors. The housing strength has been increased in the area of the casting ribs, by increasing the size of the rib. This change will reduce the potential for cracking the rib of the housing when tightening the two shorter end cap bolts. To assist in identifying this change, Sauer-Danfoss has released a new housing part number. The new housing is completely interchangeable with the previous housing. The previous housing has been obsoleted and is no longer available. models affected serial numbers part numbers affected parts disposition All 96-3xxx, and 963xxxx fixed displacement motors. Sauer-Danfoss Ames Production - Effective on motor serial number A xxxxx Sauer-Danfoss Neumunster Production - Effective on motor serial number N xxxxx. Sauer-Danfoss Shanghai Production- effective during the fourth quarter of Description Previous New Housing Housing motor housing - MF Interchangeable 29

30 Service Bulletin: SB products affected Series 90 42cc, 55cc, 75cc, and 100cc fixed displacement motors, and 55cc and 75cc variable displacement motors subject Loop flushing spring and spring seat change description As a product improvement, Sauer-Danfoss has changed the design of the spring and spring seat for the series 90 42cc, 55cc, 75cc, and 100cc fixed and variable displacement motors. The old design used a separate spring and spring seat. The new design incorporates the two parts into a one piece assembly. This makes the assembly of the spring and spring seat onto the spool much easier than the previous design. Since the new spring assembly has a high spring rate than the previous spring, this is an interchangeable change only if both springs and spring seats are replaced at the same time. Sauer-Danfoss has issued a new part number for the spring assembly. The previous spring seat and spring remain valid service parts since they are used on other Sauer- Danfoss products. Spring seat Spring Spring assembly Old design New design models affected All 93-3xxx, 933xxxx, 94-3xxx, 943xxxx, 95-3xxx, 953xxxx, 96-3xxx, and 963xxxx fixed displacement motors with loop flushing options of A, B, or C. All 94-4xxx, 944xxxx, 95-4xxx, and 954xxxx variable displacement motors with loop flushing options of A, B, or C. serial numbers Sauer-Danfoss Ames, Ia production - Change effective at s/n A xxxxx. Sauer-Danfoss Neumunster, Germany production - Change effective at s/n N xxxxx.. part numbers affected Previous spring seat Previous spring New spring assembly parts disposition Interchangeable 30

31 Service Bulletin: SB products affected Series 90 55cc, 75cc, and 100cc fixed displacement motors subject Change to end cap gasket material description The end cap gasket material has changed. Sauer-Danfoss has issued new end cap gasket part numbers. The previous part numbers are osolete. They are no longer available for service. For both twin and axial port end cap For axial port end cap For twin port end cap models affected All 94-3xxx, 943xxxx, 95-3xxx, 953xxxx, 96-3xxx, and 963xxxx fixed displacement motors. serial numbers Sauer-Danfoss Ames, Ia production - Change effective at s/n A xxxxx. Sauer-Danfoss Neumunster, Germany production - Change effective at s/n N xxxxx.. part numbers affected Frame size Mounting flange Previous end cap New end cap (end cap porting) gasket gasket 55 cc SAE (all), cartridge (axial) cc Cartridge (twin) cc SAE (all), cartridge (axial) cc Cartridge (twin) cc Sae (all) This change also affects these service kits: 80030S030, 81030S30, and 82030S30 parts disposition Interchangeable 31

32 Service Bulletin: SB products affected Series 90 55cc pumps and motors, and cc motors subject Consolidation of valve plate part numbers description Sauer-Danfoss has consolidated the part numbers for some of the series 90 pump and motor valve plates. Our plant in Germany has been producing the valve plates for series 90 pumps and motors since August 7, The U.S. plant has its part number for these valve plates as the German plant has its part number. The U.S. plant will now use the German part number. This obsoletes the U.S. part numbers. Since the parts are the same, the part number are interchangeable. models affected All series cc pumps and motors, 75 cc motors, and 100 cc motors. serial numbers This change became effective at s/n A xxxxx. part numbers affected Description Old part number New part number Valve plate, 75 cc pump Valve plate, 75 cc motor Valve plate, 75 cc motor Valve plate, 100 cc motor parts disposition Non-interchangeable 32

33 Service Bulletin: SB products affected Series cc fixed displacement motors subject Housing change to accept long screws description Sauer-Danfoss has changed the housing used in series cc fixed motors. Material was added at the area of the two shorter end cap mounting screws (G95). The hole for these screws is now deeper to accept the longer screw (G90) that is used for the other four large end cap mounting screws. The six larger screws will have the same stretch and therefore the same clamping force for the gasket sealing area. The smaller end cap mounting screw (G96) remains the same. The old housing and the short screws will become obsolete and no longer available for service. G95 G96 G90 models affected All series cc fixed displacement motors serial numbers US production started on 5 April 2004 (s/n A xxxxx) part numbers affected Description Old part number New part number Housing Screw (G95) parts disposition Non-interchangeable 33

34 Service Bulletin: SB products affected Series cc fixed displacement motors subject Cylinder block change description As a product improvement, Sauer Danfoss has added a special process to the spline area of the cylinder block used in series 90, 100 cc fixed displacement motors. Three identification grooves will be added to these blocks to indicate this change. All other dimensions of the cylinder block remain the same. Production built variable pumps will still use the standard cylinder blocks, however cylinder block assembly service kits will contain the special process cylinder block, whether they will be used in pumps or motors. Identification grooves models affected Series cc fixed displacement motors. serial numbers This change became effective at serial number A xxxxx. part numbers affected Old p/n New p/n S S S S parts disposition Interchangeable 34

35 Service Bulletin: SB products affected Series and 100 cc fixed displacement motors subject Shaft material change description As a product improvement, Sauer-Danfoss has changed to a different material on some series 90 fixed motor shafts. The 23 and 13 tooth spline shafts in 100 cc motors, and the 21 tooth spline shaft in 55 cc motors have changed. The part number of the shafts will be changed for tracking purposes. The new shafts are interchangeable with the old. The old shaft part numbers will become obsolete and no longer available for service. models affected Series and 100 cc fixed displacement motors. serial numbers This change became effective at serial number A xxxxx & S xxxxx for 23 tooth spline (100 cc) This change became effective at serial number A & S xxxxx for 13 tooth spline (100 cc) This change became effective at serial number A xxxxx & S xxxxx for 21 tooth spline (55 cc) part numbers affected From to for 13 tooth spline (100 cc) From to for 23 tooth spline (100 cc) From to for 21tooth spline (55 cc) parts disposition Interchangeable 35

36 OUR PRODUCTS Hydrostatic transmissions Hydraulic power steering Electric power steering Electrohydraulic power steering Closed and open circuit axial piston pumps and motors Gear pumps and motors Bent axis motors Orbital motors Transit mixer drives Planetary compact gears Proportional valves Directional spool valves Cartridge valves Hydraulic integrated circuits Hydrostatic transaxles Integrated systems Fan drive systems Electrohydraulics Microcontrollers and software Electric motors and inverters Joysticks and control handles Displays Sensors 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 partnership 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) Company 2800 East 13th Street Ames, IA 50010, USA Phone: Fax: Sauer-Danfoss ApS DK-6430 Nordborg, Denmark Phone: Fax: Sauer-Danfoss GmbH & Co. OHG Postfach 2460, D Neumünster Krokamp 35, D Neumünster, Germany Phone: Fax: Sauer-Danfoss-Daikin LTD Sannomiya Grand Bldg. 8F Isogami-dori, Chuo-ku Kobe, Hyogo , Japan Phone: Fax: L0892 Rev AA January 2007