ABB IRB 6640 Foundry Prime Product Manual page 308

4 Repair
4.5.4.1 Replacing the balancing device (design 1)
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308
Action
Perform the following procedure of refitting
the shafts on both sides of the cradle before
refitting of the shaft at the piston rod shaft
front eye.
Lift the balancing device to the back of the
robot.
Fit the balancing device on the side where
the shaft is in final position and fix it lightly
using the hex socket head cap screw
M16x70.
On the other side, use the hex socket head
cap screw M16x70 to refit the cradle bear-
ings and the balancing device shafts to the
final position.
Lock the cradle bearings with the retaining
ring bore.
Fit new VK covers on both sides.
Raise the balancing device to a position
where the shafts shall be fitted.
Lubricate the shaft with grease.
Refit the front shaft using the dismantle and
mounting tool.
Secure the shaft with its attachment screw.
Refit the retaining ring bore.
Refit the VK cover.
Lubricate the bearing in the ear with grease
through the lubricating nipple, with a grease
pump.
Fill until excessive grease pierces between
the shaft and the sealing spacer.
Restore the balancing device depending on
which method used.
Seal and paint the joints that have been
opened. See Cut the paint or surface on the
robot before replacing parts on page 219
© Copyright 2011-2018 ABB. All rights reserved.
Information
Tightening torque: 300 Nm.
Tightening torque: 300 Nm.
xx0900000089
Amount: 40 ml.
For art. no. see:
• Required equipment on page 302
Tightening torque: 300 Nm.
M16x70 quality 12.9 Gleitmo
Amount: 20 ml.
• Method 1: Restoring the balancing
device using a hydraulic press tool
on page 336
• Method 2: Restoring the balancing
device using distance tool on
page 331
Product manual - IRB 6640 Foundry Prime
3HAC040586-001 Revision: N