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4 Repair
4.4.5 Replacement of lower arm shaft
Continued
10
11
12
13
14
15
16
Refitting, lower arm shaft on robot with protection Foundry Plus
Use this procedure to refit the lower arm shaft if the robot has protection Foundry
Plus.
1
2
3
4
5
6
7
8
9
Continues on next page
290
Action
When a correct value is reached, release the
pressure from the glycerin pump first, then from
the hydraulic pump (approximately 1/2 minute
after), in order to avoid movement of the shaft.
Remove the press device, axis 2 shaft.
Apply grease to the location of the shaft where the
bearing is to be mounted.
Press in the new bearing with the press tool, axis
2 bearing.
Refit the protection washer and the retaining ring.
Refit the protection plug.
Proceed with the refitting procedure of the lower
arm, detailed in section
Replacement of complete
lower arm on page
273.
Action
Clean the shaft with isopropanol and lubricate it
with glycerin.
Push the shaft in by hand.
Refit the thrust washer to the shaft.
Apply the press device, axis 2 shaft against the
shaft.
Tighten the M16 nut.
Fit both the hydraulic pump and the glycerin pump
to the press device.
Set the indicator on the press device to zero.
Press in the shaft with the hydraulic cylinder by
setting the pressure of the hydraulic pump to ap-
proximately 35-55 MPa and the pressure of the
glycerin pump to 55 MPa.
Increase the pressure of the both pumps alternately
until the correct value is reached with the indicator
on the press tool.
© Copyright 2004-2018 ABB. All rights reserved.
Note/Illustration
Art. no. is specified in
Required
equipment on page 284
Always use a new bearing when
reassembling!
Art. no. is specified in
Required
equipment on page
284.
Shown in the figure
Components,
lower arm shaft for robots with
protection Standard on page
Note/Illustration
Art. no. is specified in
Required
equipment on page
284!
Also shown in the figure
Compon-
ents, lower arm shaft for robots
with protection Foundry Plus on
page
284!
Art. no. is specified in
Required
equipment on page
284!
Tightening torque: 20 Nm.
Art. no. is specified in
Required
equipment on page
284.
The attachments on the tool are
shown in the figure
Press device
for refitting of axis 2 shaft on
page
286.
Shown in the figure
Press device
for refitting of axis 2 shaft on
page
286.
Correct value: 2.45 mm ± 0.15 mm.
Note! Do not exceed the limit of
maximum pressure classified for
the pumps!
Product manual - IRB 6650S
3HAC020993-001 Revision: Z
283.
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