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3 Maintenance
3.3.7 Inspecting the oil level in axis-6 gearbox
Continued
7
8
9
10
11
12
Inspecting the oil level in axis-6 gearbox, wrist type 2
Use this procedure to inspect the oil level in the axis-6 gearbox, for wrist type 2.
1
Continues on next page
128
Action
Open the oil plug, draining.
Slowly turn axis 4, while adjusting axis 6 so that the
oil plug, draining always faces upwards. Turn axis
4 until the axis-4 angle reads -45° to -55°.
Inspect the oil level in the hole for the oil plug, filling
and inspection.
The oil should reach all the way up to the external
edge of the thread for the oil plug, filling and inspec-
tion.
Note
If the oil plug, draining is not opened, then use a
clean, narrow object, for example an oil stick or a
cable tie, to gently poke the oil surface. This will
avoid surface tension from stopping air to enter into
the gearbox.
Adjust the oil level, if required.
Refit the oil plugs.
WARNING
Do not mix oil types! If wrong oil is refilled, the
gearbox must be rinsed as detailed in Technical
reference manual - Lubrication in gearboxes.
Action
WARNING
Handling gearbox oil involves several safety
risks, see
Gearbox lubricants (oil or grease) on
page
36.
© Copyright 2004-2022 ABB. All rights reserved.
Note
This is a precaution to avoid vacu-
um effects by allowing air to enter
at the top of the gearbox.
Note
If equipment that covers the oil
plug, draining is fitted on the robot
so that the oil plug cannot be
opened, then this step can be
skipped.
A
B
C
xx1400002786
A Oil plug hole
B Required oil level
C Gearbox oil
Where to find type of oil and total
amount is detailed in
amount of oil in gearboxes on
page
151.
Further information about how to
fill the oil may be found in the
section
Filling, oil, axis 6 on
page
169.
Tightening torque: 24 Nm.
Note
Product manual - IRB 6650S
3HAC020993-001 Revision: AG
Type and
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