4 Repair
4.6.5. Replacement of motor, axis 5. IRB 6640
3HAC026876-001 Revision: C326
© Copyright 2006-2008 ABB. All rights reserved.
4.6.5. Replacement of motor, axis 5. IRB 6640
Reused pinion
The pinion in the motor, axis 5, is matched with the beveral gear for axis 5. When the motor
is replaced the pinion must therefore be removed from the dismounted motor and fitted onto
the new motor shaft as detailed in this section.
Location of motor
The motor axis 5 is located inside the upper arm tube, but attached to the wrist unit, as shown
in the figure below.
A more detailed view of the component and its position may be found in chapter Upper arm
including wrist unit, motors ax. 3- 6 (IRB 6640 and IRB 6640ID) on page 409 .
xx0200000204
Required equipment
A Motor, axis 5
B Upper arm tube
C Wrist unit
Equipment, etc. Spare part no. Art. no. Note
Motor 3HAC17484-10 Does not include pinion.
Use the pinion from the
motor to be replaced.
Includes o-ring 21522012-
430.
Set of shim, motor 3HAC7941-28 Used to obtain the correct
distance between motor
flange and outer surface of
motor pinion.
O-ring 21522012-430 Must be replaced when
reassembling motor!
Sikaflex 521FC 3HAC026759-001 Option Foundry Prime
Brush - Option Foundry Prime
Mercasol 3106 3HAC026620-001 Option Foundry Prime
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