4 Repair
4.4.1. Replacement of shaft and bearings, tilthouse
3HAC026048-001 Revision: A110
© Copyright 2006-2008 ABB. All rights reserved.
4. Fit a new sealing ring to the press washer (A)
and place it on the inner side of the seating, as
shown in the figure to the right.
Fasten the bar (B) to the press washer.
xx0500002582
Spare part no. for the sealing ring is
specified in Required equipment on
page 103 and it is shown in the figure
Location of shaft and bearings on
page 102.
5. If not already fitted, fit the press washer to the
hydraulic cylinder, using the two M6 bolts.
Shown in the figure Mounting tool,
bearing race and sealing, upper arm
on page 107.
6. Thread the bearing race on to the press
washer/hydraulic cylinder and fit the complete
assembly to the bar.
Spare part no. for the bearing is
specified in Required equipment on
page 103.
7. Fit the nut to the end of the bar. Shown in the figure Mounting tool,
bearing race and sealing, upper arm
on page 107.
8. Press both the sealing ring and the bearing race
into the seating.
9. Repeat the procedure to fit the other bearing
race and the new sealing ring with dust lip to the
opposite side.
Spare part no. is specified in Required
equipment on page 103.
10. Press the inner bearing race on to the shaft, by
using a mounting tool, assembled of the parts in
the toolkit for service.
The assembly of the mounting tool is
shown in the figure Mounting tool,
bearing race, tilthouse shaft on page
107.
11. Lubricate the shaft and the mounting surfaces
in the upper arm and in the tilthouse with
bearing grease.
Art. no. is specified in Required
equipment on page 103.
12. Gather the required parts to assemble a
mounting tool for the tilthouse shaft from the
toolkit for service.
The assembly of the mounting tool is
shown in the figure Mounting tool,
tilthouse shaft on page 106.
13. Place the tilthouse in mounting position and
insert the shaft through the upper arm and
tilthouse.
Action Note/Illustration
Continued
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