ABB IRB 660, Product Manual, Page: 186 / 362

Note Action
Check that the tilthouse is secured in a over-
head crane or similar before proceeding with
the next shaft. 17
Follow steps above. Remove the other shaft in the same way. 18
Check that bearings are kept clean, if
being refitted.
xx1000001077
Lift the tilthouse to a safe place. 19
The sealing must be replaced with a
new one when refitting. Force away the sealing ring (N) with a screw-
driver or similar. 20
If needed change the bearings. 21
Premounting tilthouse bearings and other parts, axis 2 side
The procedure below details how to fit the bearings and other parts in the tilthouse
on the axis 2 side, before fitting the tilthouse to the upper arm.
This work is best done on a workbench or similair.
Note Action
Lift the tilthouse to a workbench (or similair)
with a roundsling in an overhead crane. 1
Art.no. is specified in Required equip-
ment on page 178 .
Apply some grease in the hole for the bearings
(J) and (K).
2
Shown in the figure Cut away view of
the assembly of the tilthouse unit on
page 177
.
Shown in the figure Cut away view of
the assembly of the tilthouse unit on
page 177
.
Fit two retaining rings for bores (F). 3
Shown in the figure Cut away view of
the assembly of the tilthouse unit on
page 177
.
Fit the outer race of the bearing (J) facing the
outside of the tilthouse. Use a plastic hammer
or similair.
4
Continues on next page
186 Product manual - IRB 660
3HAC025755-001 Revision: W
© Copyright 2006-2020 ABB. All rights reserved.
4 Repair
4.4.2 Replacement of tilthouse unit
Continued