Sauer Danfoss OMS Series 3, Repair Instructions

Page: 10 / 16

10 L1012850
• Rev AB • Sep 2010
OMS/OMSW Orbital Motor
Repair Instruction
Dismantling
Dismantling
Item Part to remove Comments
4 Parallel key Cylindrical or tapered shafts
11* Conical seal ring
13, 14 Drain plug and washer
33 Seal plugs (2off) Place the motor in holding tool.
34 Screw (4 off) Use 17 mm socket spanner.
32 Valve housing Lift off carefully as a unit, holding your fingers under
the channel plate (Item no. 23).
23 Channel plate
19 O-ring
37 Ball (2 off)
24 Stop ring Only on OMSS 200, 250, 400 and 500
25 Disc valve
30 Spacer
26 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,
7, 10**) Shaft incl. bearings Turn the bearing housing. Press out the shaft/bearing
assembly using a hydraulic press (pressing Force max.
2500 N [550 lbf])
Shaft/bearing assembly should not be dismantled.
1**) Dust seal ring Item no. 1 and 3 to be knocked out by means of the
special mandrel (“D” on page 9)
3 **) Shaft seal
* OMSS only
**) OMSS except