Fig. 9-4: Motor A2
1 M10x25-8.8-A2K Allen screw
2 Motor A2
3 Connector XM2
4 Connector XP2
5 Rotating column
9.2.3 Installing motor A2
Procedure
1. If a new motor is to be installed, remove any corrosion protection it
may have prior to installation (>>> 9.2.3 "Installing motor A2"
Page 236).
2. Clean the involute toothing of motor A2 and gear unit input shaft A2
before installation and apply a thin but continuous coat of Microlube
GL 261 grease.
3. Clean the mounting surface for motor A2.
4. Check the condition of the O-ring on the motor shaft; exchange if nec-
essary.
5. Position right-angle connectors XM2 and XP2 as shown.
6. Insert motor A2, taking care not to tilt it.
Insertion of motor can be facilitated by turning it gently about its ro-
tational axis.
7. Insert 4 M10x25-8.8-A2K Allen screws.
8. Tighten 4 M10x25-8.8-A2K Allen screws with a torque wrench in diag-
onally opposite sequence. Increase the tightening torque to the speci-
fied value in several stages.
9. Plug connectors XM2 and XP2 into the right-angle connectors. The
pins and coding elements of the connectors must be taken into con-
KR IONTEC
236/344 | www.kuka.com MA KR IONTEC V4 | Issued: 11.05.2021
Repair
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