ABB IRB 4400 - 45 Product Manual page 223

Refitting, gearbox unit
The procedure below details how to refit the gearbox unit, including motors, to the robot.
3HAC022032-001 Revision: E
Action
11. Place the assembly on a level surface
and support it at position A, according to
the figure on the right.
Make sure the unit is stable and rests
securily before removing the lifting
equipment.
Note! The figure shows the IRB 4400
but the procedure for the IRB 4450S is
the same.
12. Remove the bottom plate from the base. Shown in the figure
13. Move the lifting straps to the base and
unload its weight.
14. Remove the attachment screws and
washers, gearbox unit.
15. Remove the base from the gearbox unit.
16. Remove the sealing from the gearbox
unit.
Action
1.
Turn off all electric power, hydraulic and
pneumatic pressure supplies to the robot!
For Foundry Prime robots: Do not turn off
the air pressure to motors and SMB.
4.8.1. Replacement of gearbox unit, axes 1-2-3
Info/Illustration
xx0300000173
• B: Approximately 200 mm (IRB
4400 all models)
• B: Approximately 230 mm (IRB
4450S)
arm system on page
Shown in the figure
1-3 on page 119.
Info/Illustration
4 Repair
Continued
Refitting, complete
131.
Refitting, cabling axes
Continues on next page
221