ABB IRB 2000 - Page 29

1.2 Cabling Unit 1
Dismounting:
Reference is made to fold out no. 3 in the spare parts section.
L
2.
3.
4.
Dismount
the
covers
on
gear
boxes
2
and
3.
Unscrew screws <1:3/54> for the cover on the intermediate plate <2:1/2>, and loosen
the covers on the lower arm cabling.
Disconnect cable contact X4 from axis 1.
Disconnect contacts X6 - X8 from gear box 3.
5a.
When
removing
av
refitting
the
measurement
board,
it
is
of
vital
importance
that
the
standards regarding ESD protection is followed.
5b. Remove the measurement board and its bracket. Disconnect X15.
5c. Disconnect contacts X5/X13, X14, X28 and X50 and shieldings from gear box 2.
6. Disconnect groundings at axes 2 and 3.
7. Mount lifting tools, lift and turn the robot according to chapter 1, Exchange motor.
8. Dismount the cover <1:1/30> from the base <1>, and contacts RX1, RX2 and X3.
9. Disconnect grounding and shielding connections for cabling unit 1.
10. Cut the cable ties.
11. Unfasten the screws holding attachment plate for cabling unit 1.
12. Pull out the unit downwards and feed the cabling through the cabling channel in the
intermediate plate at the same time.
Mounting:
Reference is made to fold out no. 3 in the spare parts section.
13. Insert the cabling through the base plate’s center hole.
N.B. It is important to gather the cables in correct order when they are inserted
through the cable channels to avoid unintentional wear to the cables. Also, axis 1
shall be in calibration position 0.
14. Fit the rotator and fasten it from the under side with the screws.
15. Fasten the cabling unit to the base from the under side.
16. Refit X15 and the bracket and fasten the ribbon cable shield connection. Connect
X5/X13, X14, X28 and X50. Refit the measurement board.
17. Connect contact X4.
18. Connect the cable contacts for signal and power cabling, X3, X6-X7, X8, X12-X15,
RX1, RX2 and grounding and shielding connectors on gear boxes 1, 2 and 3.
Mechanical repair IRB 2000