Sauer Danfoss OMS Series 3, Repair Instructions

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12 L1012850
• Rev AB • Sep 2010
OMS/OMSW Orbital Motor
Repair Instruction
Assembling
Assembling
Item Part to assemble Comments
3 *) Shaft seal Knock into position in the bearing housing, using the
assembly mandrel. Grease lip with vaseline.
1 *) Dust seal ring Use assembly mandrel and plastic hammer. Grease lip
with vaseline.
5, 6, 7,
10 *) Shaft incl. bearings Use the hydraulic press. (max. 2500 N [550 lbf])
Always press on the bearing outer ring.
15, 12, 11 Intermediate plate, O-ring, conical seal
ring Screw the guide bolts into the bearing housing.
Fit the O-ring into the bearing housing. Fit the conical
seal ring (biggest diameter facing the intermediate
plate) int the recess in the intermediate plate. Place
the intermediate plate in position on the bearing
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 with the hole in the intermediate plate. Mark the
wheel of the gearwheel set at the point where the
bottom of an internal tooth is opposite the bottom of
an external tooth (see drawing).
22 Valve drive Mark the tip of a spline tooth on the end of the valve
drive with the widest splines. Line up mark on rotor
and valve drive. The end with the widest splines must
point upwards.
Applies to motors with tacho connection:
Pin on valve drive must point upwards.
19 O-ring Grease with vaseline. Mount in the gearwheel and
channel plate grove
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