Note
Action
Detailed in section
.
Drain the oil from axis 4.
6
Detailed in section
harness, upper end on page 196
Remove the
cable harness
in the upper arm.
7
CAUTION
The complete upper arm weighs 380 kg
without any additional equipment fitted!
Use a suitable lifting accessory to avoid in-
jury to personnel!
8
Raise the lifting equipment to take the
weight of the upper arm.
9
Detailed in section
(Not applicable to robot variant IRB 6660
- 205/1.9! )
Remove the
balancing device
.
10
Detailed in section
Remove the
parallel rod.
11
Shown in the figure
of the upper arm components on page 229
Remove the
lock nut
(K) on the
shaft, axis
3
(B).
12
Shown in the figure
of the upper arm components on page 229
Remove the
set screw
(C) holding the
shaft
.
13
Shown in the figure
of the upper arm components on page 229
Remove the
shaft axis 3
(B).
14
Perform the removal with care. Threads
can otherwise be damaged!
Shown in the figure
of the upper arm components on page 229
Then remove the
shaft, axis 2
(A) in the
same order:
1
Remove the
lock nut
(K)
2
Remove the
set screw
(C) holding
the shaft
3
Remove the
shaft axis 2
.
15
Put the
shafts
in a clean and safe place.
16
Remove the
upper arm
.
17
Preparations before refitting, upper arm
The procedure below details the preparations which must be done before refitting
the upper arm.
Note
Action
Shown in the figure
of the upper arm components on page 229
Put the
shafts
(A & B) on a workbench and
fit the
sealing rings
(E).
1
Note
Don´t apply grease on the threads and
cones of the shafts!
Apply some grease on the
shafts
and
sealing
rings
.
2
Continues on next page
Product manual - IRB 6660
233
3HAC028197-001 Revision: S
© Copyright 2007-2018 ABB. All rights reserved.
4 Repair
4.4.3 Replacement of upper arm
Continued
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