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7

L1012850 

• Rev AB • Sep 2010

OMS/OMSW Orbital Motor
Repair Instruction

Item Spare parts

Number per motor

Code No.

Spare Parts List

Spare Parts List

**     OMSW wih brake nose and 

drain port. Do not have 
check valve

20

Gearwheel set
OMS/OMSW/OMSS 80
OMS/OMSW/OMSS 100 
OMS/OMSW/OMSS 125
OMS/OMSW/OMSS 160 
OMS/OMSW/OMSS 200 
OMS/OMSW/OMSS 250
OMS/OMSW/OMSS 315
OMS/OMSW/OMSS 400
OMS/OMSW/OMSS 500

w = 14 mm [0.55 in]
w = 17 mm [0.67 in]
w = 22 mm [0.87 in] 
w = 28 mm [1.10 in] 
w = 35 mm [1.38 in]
w = 44 mm [1.73 in]

w = 55 mm [2.16in]

w = 68.4 mm [2.69 in]
w = 68.4 mm [2.69 in]

151F1081
151F1082
151F1083
151F1084
151F1085
151F1086
151F1087
151F1088
151F1089

1
1
1
1
1
1
1
1
1

22

Valve drive

OMS  80 - 400
OMS  500

151F1448
151F1862

1
1

23

Channel plate

151F1821

1

24

Stop ring

(OMSS 200, 250, 315, 400 and 500 only) 151F1542

1

25

Disc valve

151F1022

1

26

Balance plate

151F1738

1

27

Guide pin

 5 mm [0.20 in], l = 14 mm [0.55 in] ISO 8752 682L9105

1

28

O-ring

45 • 2 mm [1.77 • 0.08] NBR

45 • 2 mm [1.77 • 0.08] FPM

633B1429
633B1455

1
1

29

O-ring

24 • 2 mm [0.94 • 0.08] NBR

24 • 2 mm [0.94 • 0.08] FPM

633B1428
633B1453

1
1

30

Spacer

151F1449

1

31

Spring washer

684X0097

1

32a
32a

32b

32c

32d

Valve housing

sideport

endport

without drain port 

Metric:

without drain port 

SAE 

with drain port 

SAE

without drain port 

SAE

with drain port 

SAE

151F1801
151F1805
151F1807
151F1855
151F1856

1
1
1
1
1

33

Seal plug

633X0017

2

34

Screw M10:
OMS/OMSW  80
OMS/OMSW  100, 125
OMS/OMSW  160, 200
OMS/OMSW  250
OMS/OMSW  315
OMS/OMSW  400, 500

l = 120 mm [4.72 in]
l = 130 mm [5.12 in]
l = 140 mm [5.51 in]
l = 150 mm [5.91 in] 
l = 160 mm [6.30 in]
l = 180 mm [7.09 in]

681X1349
681X1350
681X1352
681X1353
681X1356
681X0038

4
4
4
4
4
4

OMSS 80, 100
OMSS 125, 160
OMSS 200
OMSS 250
OMSS 315
OMSS 400, 500

l = 100 mm [3.94 in]
l = 110 mm [4.33 in]
l = 120 mm [4.72 in]
l = 130 mm [5.12 in]
l = 140 mm [5.52 in]
l = 150 mm [5.91 in]

681X1347
681X1348
681X1349
681X1350
681X1352
681X1353

4
4
4
4
4
4

35

Check valve ball **

3/16 in 689X1005

2

43

Tacho valve housing, complete

151F0137

1

44

Tacho connection, complete

151F1031

1

45

Tacho valve drive + guide pin

151F1032

1

46

Spacer ring

151F1502

1

47

Tacho valve housing

151F1802

1

48

O-ring

40 • 2 mm [1.57 • 0.08 in] 633B1378

1

49

Bearing housing

5.6 • 8.5 • 1 mm [0.22 • 0.33 • 0.04 in] 151F1499

1

50

Washer

684X2012

4

51

Screw M5; 

l = 15 mm [0.59 in] 681X1880

4

52

Tacho drive shaft

151F1500

1

53

Locking ring

UR 6 • 0.7 mm [0.24 • 0.03 in] DIN 6799 682L4922

2

54

Bearing

8 • 22 • 7 mm [0.31 • 0.87 •  0.28 in] 981X1020

1

Summary of Contents for OMS Series 3

Page 1: ...OMS Series 3 Orbital Motors Repair Instruction ...

Page 2: ...es 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 Frontpage F300 083 Drawing 151 19 Special Ve...

Page 3: ...ital Motor Repair Instruction Contents The list of spare parts cannot be used when ordering parts for special OMS versions In this respect please contact the sales organisation for Sauer Danfoss Special Versions OMSW Series 3 with Brake Nose ...

Page 4: ...4 L1012850 Rev AB Sep 2010 OMS OMSW Orbital Motor Repair Instruction Exploded View OMS Series 3 Exploded View OMS Series 3 Tightening torque t Item 13 with item 14 30 60 N m 270 530 lbf in ...

Page 5: ...850 Rev AB Sep 2010 OMS OMSW Orbital Motor Repair Instruction 151 2090 11 Exploded View OMS Series 3 Tightening torque t Item 34 75 80 N m 660 705 lbf in Item 51 4 6 N m 35 55 lbf in Exploded View OMS Series 3 ...

Page 6: ...incl item 4 151F0112 151F0118 151F0127 1 1 1 6 Splined shaft Metric SAE SAE SAE 1 in with bearings 1 in with bearings 1 in with bearings 0 875 in with bearings 151F0113 151F0119 151F0126 151F0138 1 1 1 1 7 P t o shaft incl bearing DIN 9611 151F0116 1 8 Washer metric version only 20 5 44 4 mm 684X2530 1 9 Castellated nut Metric SAE M20 1 5 mm 1 20 UNEF 681X8235 151 4154 1 1 10 Tapered shaft Metric ...

Page 7: ...0097 1 32a 32a 32b 32c 32d Valve housing sideport endport without drain port Metric without drain port SAE with drain port SAE without drain port SAE with drain port SAE 151F1801 151F1805 151F1807 151F1855 151F1856 1 1 1 1 1 33 Seal plug 633X0017 2 34 Screw M10 OMS OMSW 80 OMS OMSW 100 125 OMS OMSW 160 200 OMS OMSW 250 OMS OMSW 315 OMS OMSW 400 500 l 120 mm 4 72 in l 130 mm 5 12 in l 140 mm 5 51 i...

Page 8: ...s List 55 Shaft seal 633B3175 1 56 Locking ring N 22 1 mm 0 87 0 04 in DIN 472 682L4008 1 A Set of seals NBR OMS OMSW item 1 3 11 12 19 28 and 29 OMS p t o item 1 3 11 12 19 28 and 29 151F0111 151F0117 1 1 B Set of seals NBR OMS OMSW OMSS item 11 17 19 28 and 29 151F0103 1 C Set of seals FPM OMS OMSW OMSS item 1 3 28 and 29 151F0109 1 D Set of seals NBR OMSS item 11 and 17 151F1033 1 ...

Page 9: ...g tool for OMSS SJ 151F9000 1 C Holding tool for OMSW SJ 151B9000 1 D Mandrel for fitting shaft seal SJ 151F9000 7 E Mandrel for fitting PTO shaft seal SJ 151F9000 8 F Holding tool for OMSW with brake nose SJ 151F9000 10 G Holding tool for OMS SAE B flange SJ 151F9000 11 Service tool drawing can be ordered from Sauer Danfoss A C F G B D E ...

Page 10: ...6 Balance plate Fill in oil into the spacer hole and use the ø14 25 mm 0 56 in mandrel as a piston to press up the balance plate 27 Guide pin 28 O ring 29 O ring 31 Spring washer 22 Valve drive 20 Gearwheel set Hold fingers under the gearwheel set to prevent the parts from dropping out 19 O ring 18 Cardan shaft 15 Intermediate plate 11 Conical seal ring Not on OMSS is already removed 12 O ring 5 6...

Page 11: ...46 Spacer ring 56 Retaining ring Loosen tacho shaft package by tapping lightly at the end of the shaft and extract the package from tacho housing 55 Shaft seal 53 Retaining ring 2 off 54 Bearing After dismantling clean all parts in low aromatic kerosene Examine the parts and exchange them if necessary Immidiately before assembly lubricate each part with hydraulic oil and grease rubber parts with v...

Page 12: ...earing housing with the conical seal ring downwards 18 Cardan shaft Guide the cardan shaft down into the output shaft so that the splines engage 19 O ring Grease with vaseline 20 21 Gearwheel set Hold fingers under the gearwheel set to prevent parts falling out Carefully lay the gearwheel set on the intermediate plate so that the O ring groove is upwards The through hole 6 mm 0 24 in must line up ...

Page 13: ...ts engage 31 Spring washer Place into valve housing 28 29 O ring Fit the two O rings greased with vaseline in the balance plate grooves 27 Guide pin Mount in valve housing 26 Balance plate Mount in valve housing 30 Spacer Grease with vaseline to prevent the spacer from dropping out 32 Valve housing Mount unit on the rest of the motor Ports should face in the same direction as the drain port 34 Scr...

Page 14: ...14 L1012850 Rev AB Sep 2010 OMS OMSW Orbital Motor Repair Instruction Notes ...

Page 15: ...15 L1012850 Rev AB Sep 2010 OMS OMSW Orbital Motor Repair Instruction Notes ...

Page 16: ... our customers ensuring the best possible solutions for outstanding performance And with an extensive network of Global Service Partners we also provide comprehensive global service for all of our components Please contact the Sauer Danfoss representative nearest you Products we offer Bent Axis Motors Closed Circuit Axial Piston Pumps and Motors Displays Electrohydraulic Power Steering Electrohydra...

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