ABB IRB 390 Product Manual page 275

Refitting the axis-4 motor
1
2
3
4
Product manual - IRB 390
3HAC066566-001 Revision: B
Action
Check the o-ring.
Replace if damaged.
If not already fitted, fit two guide pins to the motor
attachment holes.
To release the brakes, connect the 24 VDC power
supply.
Connect to R3.MP4-connector:
• + = pin 2
• - = pin 5
The motors are oriented differently on the axis-4
and axis-5 gear unit assemblies, in regard to the
cable outlet on top.
Check that the motor is oriented according to the
figure before securing the unit, for each axis re-
spectively.
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5.6.4 Replacing the axis-4 gear unit pre-stage
Note
O-ring: 3HAB3772-163.
xx2000001087
Guide pin, M6x150
Always use guide pins in pairs.
xx2000001088
24 VDC power supply
xx2000001032
• 4: Axis-4 motor
• 5: Axis-5 motor
Continues on next page
5 Repair
Continued
275