ABB IRB 1660 Product Manual page 260

4 Repair
4.6.1 Replacement of motor, axis 1
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Action
Note
It is important that the gearbox and the mating
motor pinion are provided by the same sub-suppli-
er, make sure to order the correct spare part! To
determine the correct spare part, see Compatible
gearboxes and motors in Product manual, spare
parts - IRB 1600/1660.
Clean the mating surfaces.
Replace the o-ring if damaged.
1 Apply enough Loctite 574 to the motor
groove.
2 Refit the o-ring. Make sure the o-ring on the
circumference of the motor is seated prop-
erly.
Remove the motor cover from top of the motor.
In order to release the brakes, connect the 24 VDC
power supply to the motor.
Fit the rotation tool to the end of the motor shaft.
Fit the motor, making sure the motor pinion is
properly mated to the gear of gearbox, axis 1.
Use the rotation tool to rotate the motor pinion,
when mating it to the gear.
Secure the motor with four attachment screws and
washers, but do not tighten yet.
Adjust the motor in relation to the gear in the
gearbox:
• use the rotation tool to wiggle the motor
shaft back and forth to feel the play. Tap
with a plastic mallet.
• position the motor pinion at at least two
other positions by turning axis 1 manually
and check the gear play again.
Tighten the motor attachment screws.
Disconnect the brake release voltage.
Refit the motor cover to top of the motor.
Insert the motor cabling through the frame and
secure the connector plate with attachment screws.
Connect all the connectors.
Refit the cover, frame. Replace the gasket, if
damaged.
© Copyright 2006-2018 ABB. All rights reserved.
Note
Spare part number is specified in
Required equipment on page
Shown in the figure Location of
motor on page 257.
Connect to connector R3.MP1:
• +: pin 7
• -: pin 8
Article number is specified in
quired equipment on page
4 pcs, M8 x 25.
There should be a barely noticable
gear play.
Tightening torque: 35 Nm.
Shown in the figure Location of
motor on page 257.
4 pcs.
The cable layout is shown in the
figure Illustration, cabling inside
frame on page 168.
Product manual - IRB 1600/1660
3HAC026660-001 Revision: W
257.
Re-
257.