ABB IRB 920 Product Manual page 359

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Refitting the inner arm

Use these procedures to refit the inner arm.

Refitting the axis-2 gear unit sub-assembly to the inner arm

Product manual - IRB 920

3HAC075721-001 Revision: C

Remove the screws on the gear to the inner arm.

Remove the gear unit.

For robots with protection class IP54 (option 3350-

For robots with protection type Clean Room (op-

tion 3351-1)

Remove the gear unit and the O-ring through the

cable slightly.

Check the O-ring and replace it if needed.

Wrap the connectors with the masking tape.

For robots with protection type Clean Room:

Clean the joints that have been opened and wipe

the parts free from particles with spirit on a lint

Cut the paint or surface on the robot

before replacing parts on page 118

After all repair work, wipe the Clean Room robot

free from particles with spirit on a lint free cloth.

Whenever parting/mating motor and gearbox, the

gears may be damaged if excessive force is used.

5.5.1 Replacing the inner arm

For robots with protection class

IP30 (option 3350-300)

xx2100001130

For robots with protection class

IP54 (option 3350-540)

For robots with protection type

Clean Room (option 3351-1)

xx2100002440

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