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6

L1012850 

• Rev AB • Sep 2010

OMS/OMSW Orbital Motor
Repair Instruction

Spare Parts List

Spare Parts List

Item Spare parts

Number per motor

Code No.

1

Dust seal ring 
(p.t.o. shaft)

35 • 42 • 3.5 mm [1.38 • 1.65 • 0.14 in] 633B3198

1

40 • 47 • 4.0 mm [1.57 • 1.85 • 0.16 in] 633B3356

1

2

Bearing housing 
OMS Standard flange 
OMS Standard flange and P.t.o. shaft 
OMS Special flange 
OMS A - 2 flange
OMS Magneto flange 
OMS SAE B flange 
OMSW Metric standard 
OMSW SAE standard
OMSW with brake nose

151F1534
151F1549
151F1536
151F1685
151F1858
151F1864
151F1535
151F1620
151F1852

1
1
1
1
1
1
1
1
1

2a

Mounting flange

151F1827

1

3

Shaft seal
 
P.t.o. shaft 

35 • 52 • 5 mm [1.38 • 2,05 • 0.20 in] NBR

35 • 52 • 5 mm [1.38 • 2,05 • 0.20 in] FPM

40 • 60 • 6 mm [1.57 • 2.36 • 0.24 in] NBR

633B3197
633B3196
633B3355

1
1
1

4

Parallel key

Metric: 
Metric:
SAE: 

SAE: 

A 10 • 8 • 45 mm for 32 mm cyl. shaft

B 6 • 6 • 20 mm for tap. shaft

5/16 • 5/16 • 1 ¼ in for 1 ¼ in cyl.  

and tapered shaft 

¼ • ¼ • 1 ¼ in BS 46 for 1 in cylindrical shaft

682L8019
682L8021

151-4109

682L8036

1
1
1

1

5

Cylindrical shaft

Metric:
SAE:
SAE:

Ø32 mm with bearings incl. item 4 

Ø1 ¼ in with bearings incl. item 4

Ø1 in with bearings incl. item 4

151F0112
151F0118
151F0127

1
1
1

6

Splined shaft

Metric:
SAE:
SAE:
SAE:

1 ¼ in with bearings 
1 ¼ 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:
SAE:

35 mm with bearings incl. item 4, (8) and 9

1 ¼ in with bearings incl. item 4 and 9

151F0114
151F0115

1
1

11

Conical seal ring

633B9023

1

12

O-ring

70 • 2 mm [2.75 • 0.08] NBR 633B1379

1

13

Drain plug

Metric:
SAE:

G ¼

7/16 - 20 UNF

151-1524
151-5439

1
1

14

Washer

684X2120

1

15

Intermediate plate Metric: 

SAE:   

151F1811
151F1812

1
1

16

Mounting flange for OMSS

Metric:

151F1817

1

17

O-ring for OMSS

100 • 3 mm [3.94 • 0.12 in] NBR 633B1486

1

18

Cardan shaft
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

l = 70 mm [2.75 in] 
l = 73 mm [2.87 in] 
l = 78 mm [3.07 in] 
l = 84 mm [3.31 in] 
l = 91 mm [3.58 in] 

l = 99.5 mm [3.92 in]

l = 111 mm [4.37 in]

l = 124.5 mm [4.90 in] 
l = 120.5 mm [4.74 in]

151F1461 
151F1462 
151F1463 
151F1464 
151F1769 
151F1770
151F1829 
151F1830 
151F1861

1
1
1
1
1
1
1
1
1

19

O-ring

82.5 • 2 mm [3.25 • 0.08 in] NBR 633B1431

3

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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