Service and Parts Manual: OMV Series 2 Orbital Motors
Service and Parts Manual: OMV Series 2 Orbital Motors
Service and Parts Manual: OMV Series 2 Orbital Motors
Orbital Motors
Service and Parts
Manual
Special versions............................................................................................................................................... 2
Exploded view OMV series 2 ..................................................................................................................... 3
Spare parts list................................................................................................................................................. 4
Special tools ..................................................................................................................................................... 7
Dismantling...................................................................................................................................................... 8
Dismantling of tacho connection............................................................................................................. 9
Assembling.....................................................................................................................................................10
Assembling of tacho connection ...........................................................................................................11
SPECIAL VERSIONS
The list of spare parts cannot be used when ordering parts for special OMV versions.
In this respect, please contact the sales organisation for Sauer-Danfoss.
COST-FREE REPAIRS
We would point out that cost-free repairs as mentioned in Sauer-Danfoss General Conditions of Sale, are carried out only at Sauer-Danfoss Nordborg or at service shops authorised by Sauer-Danfoss.
COMMENTS
a) After week 27.97 the tightening pin has a new location. When repairing motors
manufacturing before week 27.97 it will therefore be necessary to replace end cover,
balance plate, tightening pin and spring washer.
SERIES MARKING
The series number is altering when parts in the motor are changed.
The OMV series marking follows its date marking: XXX-2
OMV SERIES 2
Tightening torque: t
Item
Item
Item
Item
Item
1
10:
42:
43:
54:
Spare parts
Code No.
Screw
Front cover
Shaft seal
O-ring
Parallel key
Cylindrical shaft
Metric: 50 mm OMV/OMVW incl. bearings and parallel key
SAE: 21/4 in OMV/OMVW incl. bearings and parallel key
Standard mounting
SAE C mounting
Conical seal ring
Bearing housing
Metric:
SAE: standard mounting:
SAE:
SAE C mounting
1/4 BSP.F steel
Drain plug
Metric:
9
SAE: /16 - 18 UNF, incl O-ring
Washer, metric version only 17.5 13.5 1.5 mm [0.69 0.53 0.06 in]
Cardan shaft
OMV/OMVW/OMVS 315
l = 115 mm [4.53 in]
OMV/OMVW/OMVS 400
l = 122 mm [4.80 in]
OMV/OMVW/OMVS 500
l = 130 mm [5.12 in]
OMV/OMVW/OMVS 630
l = 141 mm [5.55 in]
OMV/OMVW/OMVS 800
l = 155 mm [6.10 in]
Castellated nut
Metric: M 42 3 mm [1.65 0.12 in]
SAE:
11/2 - 18 UNEF
Washer, metric version only
43 78 7 mm [1.69 3.07 0.28 in]
Parallel key
Metric: 16 10 32 mm [0.63 0.39 1.26 in]
9/16 9/16 2 in
SAE:
Tapered shaft
Metric: 60 mm OMV/OMVW incl.
bearings and item 16, 17, 18
SAE: 2 1/4 in OMV/OMVW incl.
bearings and item 16, 18
Bearing housing
Metric:
OMVW
SAE:
OMVW
Mounting flange
Metric:
OMVS
SAE:
OMVS
O-ring OMVS
140 3 mm [5.51 0.12 in] NBR
Splined shaft
Metric: 54 mm [2.13 in]OMV/OMVW incl. bearings
SAE: 21/8 in OMV/OMVW incl. bearings
standard mounting
SAE C mounting
O-ring
112 3 mm [3.77 0.12 in] NBR
8
9
10
11
14
16
17
18
19
20
21
22
23
24
681X0288
681X1521
633B3205
151B1684
151B1773
633B3203
633B3204
633B1380
633B0121
682L8015
682L8047
682L9044
6 25
8 25
1 *
1 3
1 3
1 *
1 *
1 *
1 *
1 5
1 5
1 5
151B0102
151B0165
151B0147
633B9021
151B1678
151B1700
151B1771
151-1524
631X2044
684X2120
1
1
1
1
1
1
1
1
1
2
2
*
2
2
2
5
5
5
151B1406
151B1407
151B1408
151B1686
151B1692
681X8208
681X8291
684X1089
682L8020
682L8048
1
1
1
1
1
1
1
1
1
1
3
3
3
3
3
5
5
5
5
5
151B0109
151B0160
151B1680
151B1701
151B1682
151B1701
633B1485
151B0111
151B0169
151B0148
633B1380
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2
*
2
2
2
*
Item
Spare parts
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
46
47
48
49
50
51
52
53
54
55
56
Gearwheel set
OMV/OMVW/OMVS 315
W = 25 mm [0.10 in]
OMV/OMVW/OMVS 400
W = 32 mm [1.56 in]
OMV/OMVW/OMVS 500
W = 40 mm [1.57 in]
OMV/OMVW/OMVS 630
W = 51 mm [2.01 in]
OMV/OMVW/OMVS 800
W = 65 mm [2.56 in]
Guide pin
4, l = 10 mm [0.39 in]
Valve drive
Channel plate
Stop ring for OMVS 630 and 800
Disc valve
Balance plate
a)
Guide pin
5, l = 14 mm [0.55 in] a)
O-ring
70 2 mm, NBR [2.76 0.08 in]
70 2 mm, FPM [2.76 0.08 in]
O-ring
45 2 mm, NBR [1.77 0.08 in]
45 2 mm, FPM [1.77 0.08 in]
Spacer
Spring washer
37 45 0.5 mm [1.46 1.77 0.02 in] a)
Seal plug (plastic)
Metric
SAE
Valve housing
Metric a)
SAE a)
Ball
1/4 in
Spring
Washer
13.9 10.2 1 mm [0.54 0.40 0.04 in]
1/8 BSP.F
Plug
Screw M16
OMV/OMVW/OMVS 315
l = 150 mm [5.91 in]
OMV/OMVW/OMVS 400
l = 150 mm [5.91 in]
OMV/OMVW/OMVS 500
l = 160 mm [6.30 in]
OMV/OMVW/OMVS 630
l = 160 mm [6.30 in]
OMV/OMVW/OMVS 800
l = 180 mm [7.09 in]
Name plate (aluminium)
OMV/OMVW/OMVS
Name plate (brass)
Valve housing with tacho connection and valve drive, metric version only
Tacho connection
Valve drive incl. guide pin
Spacer ring
Tacho valve housing
O-ring
40 2 mm [1.57 0.08 in] NBR
Tacho bearing housing
Washer
8.5 5.6 1 mm [0.33 0.22 0.04 in]
Screw M5
l = 15 mm [0.59 in]
Tacho drive shaft
Retaining ring
6.0 0.7 [0.24 0.03 in] DIN 6799
151B1100
151B1101
151B1102
151B1103
151B1104
682L2006
151B1389
151B1050
151B1672
151B1049
151B1485
682L9105
1
1
1
1
1
1
1
1
1
1
1
1
5
5
5
5
5
5
5
5
5
5
5
5
633B1379
633B1456
1
1
*
*
633B1429
633B1455
151B1391
684X0086
633X0069
633X0064
151B1705
151B1706
689X1015
013-0662
684X2564
631X2053
1
1
1
1
2
2
1
1
2
2
2
2
*
*
2
10
25
25
2
2
5
5
5
5
681X1883
681X1883
681X1884
681X1884
681X1006
4
4
4
4
4
12
12
12
12
12
151A0407
151A0408
151B0139
151B1031
151B1032
151B1450
151B1704
633B1378
151B1452
684X2012
681X1880
151B1453
682L4922
1
1
1
1
1
1
1
1
1
4
4
1
2
15
15
2
3
2
2
1
10
1
16
16
1
10
Spare parts
57
58
59
60
A
B
C
D
Bearing
8 22 7 mm [0.31 0.87 0.27 in]
Shaft seal
8 22 6.5 mm [0.31 0.87 0.25 in]
Retaining ring
22 1 DIN 472
Name plate (aluminium) for OMV/OMVW/OMVS with tacho connection
Set of seals NBR OMV, OMVW, OMVS
item 8, 22, 24, 33 and 34
Set of seals NBR OMV, OMVW,
item 2, 4, 5, 8, 24, 33 and 34
Set of seals FPM OMV, OMVW, OMVS
item 4, 33 and 34
Set of seals NBR OMVS
item 8 and 22
981X1020
633B3175
682L4008
151A0409
151B0125
151B0129
151B0127
151B1041
*
**
1
1
1
1
1
1
1
1
2
5
2
15
10
10
10
10
A:
B:
C:
D:
E:
F:
G:
Item
6 or 18
8*
10, 11
37
42
41
40
39
43
38
Part to remove
Comments
Parallel key
Conical seal ring
Drain plug and washer
Seal plugs (2off )
Plugs (2 off )
Washer (2 off )
Springs (2 off )
Ball (2 off )
Screw (4 off )
Valve housing
24
28
29
30
35
31
O-ring
Channel plate
Stop ring
Disc valve
Spacer
Balance plate
32
33
34
36
27
26
Guide pin
O-ring
O-ring
Spring washer
Valve drive
Guide pin
25
Gearwheel set
24
14
8
1**)
3 **)
5 **)
2 **)
4 **)
7,19 **)
23
O-ring
Cardan shaft
Conical seal ring
Screw (6 off )
Front cover
O-ring
Dust seal ring
Shaft seal
Shaft incl. bearings
Series 2 only
Hold fingers under the gearwheel set to prevent
the parts from dropping out.
* OMVS only
**) OMVS except
Item
Part to remove
54
47
51
49
59
Screw (4 off )
Tacho connection
O-ring
Spacer ring
Retaining ring
58
56
57
Shaft seal
Retaining ring (2 off )
Bearing
Comments
Item
Part to assemble
Comments
8 **)
7, 19 **)
23
Shaft seal
2 **)
5 **)
3 **)
1 **)
O-ring
Cover
Screw (6 off )
14
24
25
Cardan shaft
O-ring
Gearwheel set
10
Item
27
Part to assemble
Comments
Valve drive
24
26
28
30
O-ring
Guide pin
Channel plate
Disc valve
36
33
34
32
31
35
38
Valve housing
43
Screw (4 off )
39
40
41
42
6 or 18
10, 11
8 *)
37
Ball (2 off )
Spring (2 off )
Washer (2 off )
Plug (2 off )
Parallel key
Drain plug and washer
Conical seal ring
Seal plug (2 off )
*) OMVS only
ASSEMBLING OF TACHO
CONNECTION
The tacho connection must be reassembled in reverse order in relation to the procedure
described under disassembling the tacho connection.
4 screws (pos. 53) to be tightened to 4 - 6 N.m [35.5 - 53 lbf.in].
11
OUR PRODUCTS
Hydrostatic transmissions
Hydraulic power steering
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