93 / 157V3.3 11.07.2007 KRC-AD-KRC2ed05-BA en
10. Repair
10.6 Exchanging the PC fans
Preconditions The robot controller must be switched off and secured to prevent unau-
thorized persons from switching it on again.
Back-up must be completed.
The power cable must be de-energized.
Observe the ESD guidelines.
Procedure 1. Remove the cable strap.
2. Unplug the fan connector.
3. Note the fan installation position (direction of rotation).
4. Remove the fan retaining screws.
5. Take off the fan with the fan grille.
6. Insert the new fan and fasten. Observe correct installation position (direc-
tion of rotation).
7. Plug in the fan connector and secure the cables with cable straps.
Fig. 10-4: Removing and installing the control PC
1 Plug-in connections on the PC 3 Transport safeguard screw
2 Knurled nut
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