Table 3 Dismantling - White OMP 7 Series Repair Instructions

Dismantling
Item Part to remove
10 Castellated nut
11 Washer
12 Parallel key
28 Seal plugs
25, 24 Drain plug, washer
(if present)
21, 20 Screws, washers
19 End cover
18, 16 Gear wheel set O-rings
(2 off)
14 Cardan shaft
17, 16 Distributor plate O-ring
13 Output shaft
1 Screws (6 off)
2 Washer
4 Spigot flange
6, 7 O-ring, bearing race
8 Needle bearing
5 Shaft seal
3 Dust seal
9 Bearing race
26 Check valves (2 off)
Cleaning
Cleaning
Clean all parts carefully with low aromatic kerosine.
Inspection and replacement
Check all parts carefully and replace if necessary.
Lubrication
Before assembly, lubricate all parts with hydraulic oil and grease rubber parts with vaseline.
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order provided that such alterations can be made without subsequent changes being necessary in specifications already agreed.
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Comments
Put the motor in a holding tool, with the output shaft downward.
For end port version use 10 mm hexagon socket spanner.
Use a 17 mm spanner socket.
Use a 13 mm spanner socket.
Remove end cover sideways.
Keep fingers under the gearwheel set to prevent the parts from falling out.
Motors with integrated spigot flange:
Place the motor housing on the work bench and press the shaft out of the
motor housing.
Shaft and bearings should normally not be removed from OMRW N.
However, if necessary for inspection and cleaning, remove the shaft from
the housing front end. The rear bearing can thus remain in the housing.
After this, turn the motor.
Use Torx-spanner type T30, 9 mm screwdriver or 4 mm hexagon socket
spanner.
Only OMRW N
Motors with integrated spigot flange:
Remove bearing and bearing race from the motor housing.
Motors with separate spigot flange:
Use a 2 mm screwdriver
Motors with integrated spigot flange:
With mandrel and plastic hammer, carefully knock out the shaft seal.
Motors with separate spigot flange:
Knock out the shaft seal / dust seal with a plastic hammer.
Use mandrel SJ 151-9000-7 or SJ 151F9000-7
Only OMR/OMRW N with ø32 mm/28.5 mm tapered shaft.
Use a 2 mm screwdriver.
Only OMR with check valves.
Pull the check valve out with, for example, a ground (shortened) 3.5 mm
screw tap.

Table 3 Dismantling

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