3 Maintenance
3.4.2. Oil change, gearbox axes 5 and 6
933HAC023637-001 Revision: B
Draining, wrist unit
The procedure below details how to drain oil from the gearboxes in the wrist unit.
Action Note/Illustration
1.
DANGER!
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
2.
WARNING!
Handling gearbox oil involves several safety
risks. Before proceeding, please observe the
safety information in section WARNING - Safety
risks during work with gearbox oil on page 35.
3. Position the robot as shown in the figure to the
right:
• upper arm: upwards for a standing robot
• axis 4: 180º, to a position where the oil
plug (A), faces downwards.
Note! The total amount of oil will not be drained.
There will remain approximately 50 ml in the
wrist unit.
Vessel capacity is specified in section
Required equipment on page 92!
xx0500001434
A. Oil plug, draining and filling
The position for an inverted robot is
the opposite!
4. Remove the both oil plugs.
Both oil plugs must be removed in order to drain
the wrist unit properly.
Shown in the figure Location of oil
plugs on page 92.
5. Refit the oil plug, vent hole.
Continued
Continues on next page
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