36
OIO 23en Edition 10/2017
Operating Instructions
Mounting instructions OMP 52
Maintenance
Installing seals and bearings
Prerequisites:
□
Replacement parts available
□
Loctite 242
1. Insert the O-ring
739.3
and
739.4
into the bearing cover
080.1
and
080.2
.
2. Press the ball bearings
818.1
and
818.2
into the bearing cover
080.1
.
Notice:
Press the angular-contact ball bearings on in face-to-face arrangement, see Fig. 19, page
35. To avoid damages press the ball bearings on only over the outer ring.
3. Put spacer
054
on ball bearing
817.1
.
4. Press the ball bearing
817.1
onto the measuring screw large
672.1
and the ball bearing
817.2
onto
measuring screw small
672.2
.
Notice:
Press the ball bearings on only over the inner ring.
5. First screw the threaded ring
057.2
, then the threaded ring
057.1
into the bearing cover using the
allen key. Allen key widths and tightening torques, see Tab. 2, page 36.
6. Press the measuring screws into the bearings in the bearing cover.
Notice:
To avoid damages support the inner rings of the ball bearings.
7. Pull the wedge lock washer
904.2
and supporting ring
064.2
onto the socket screw
915.7
.
Notice:
Ensure that the wedge lock washers are positioned correctly (wedge surface to wedge
surface), see Fig. 18, page 35.
8. Mount the socket screw
915.7
, with Loctite 242 applied, with mounted washer and ring onto the
measuring screw small
672.2
and tighten with torque, see Tab. 6, page 47.
9. Pull the wedge lock washer
904.1
and supporting ring
064.1
onto the socket screw
915.6
.
10. Mount the socket screw
915.6
, with Loctite 242 applied, with mounted washer and ring onto the
measuring screw large
672.1
and tighten with torque, see Tab. 6, page 47.
11. Mount the support rings
868.2
and
868.4
and circlips
869.2
and
869.4
on the floating bearing end.
12. Place the bearing cover
080.2
onto the measuring housing
128
and tighten with torque the socket
screws
915.4
.
13. Slide the bearing cover
080.1
with pre-mounted measuring unit, consisting of screw set, into the
measuring housing, tighten with torque the socket screws
915.3
.
14. Mount the flange cover while pretensioning the oiled screws crosswise. Tightening torque see
Tab. 2 Allen key width and tightening torque for threaded ring
Size
Measuring screw
Pos. no.
Allen key width [mm]
Tightening torque [Nm]
52
large
057.1
22
90
small
057.2
19
90
