ABB IRB 140 type C Product Manual page 72

3 Maintenance
3.5.1. Oil change, gearbox axes 5 and 6
Continued
Draining, wrist unit
The procedure below details how to drain oil from the gearboxes in the wrist unit.
70
Action
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
risks during work with gearbox oil on page
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.
4. Remove the both oil plugs.
Both oil plugs must be removed in order to drain
the wrist unit properly.
5. Refit the oil plug, vent hole.
Note/Illustration
WARNING - Safety
34.
Vessel capacity is specified in section
Required equipment on page
xx0500001434
A. Oil plug, draining and filling
The position for an inverted robot is
the opposite!
Shown in the figure
plugs on page
69!
Location of oil
69.
Continues on next page
3HAC027400-001 Revision: C