168 LD-250 Platform User's Guide 20472-000 Rev B
8.10 Replacing Non-Periodic Parts
Operator Panel
The Operator panel is usually relocated to the payload structure, and its removal and replace-
ment procedure varies accordingly. It connects to the into the HMI Panel connector on the LD-
250 Core.
Replace the Motor Brushes
The LD-250 uses drive motors in which the brushes are a wear item. Replace the brushes
every 8000 km until 24000 km. At that distance, you must replace the entire motor. To determ-
ine the distance traveled, see: Distance Traveled by the AMR on page 162.
WARNING: PERSONALINJURYORPROPERTYDAMAGERISK
Take care when working near the encoder cables to make sure that they are not
disconnected or damaged.
You require:
l
A set of four replacement spring-loaded brushes, part number 21471-000.
l
0.25 inch (7 mm) 90-degree offset flat-blade screwdriver, end height 15.8 mm (0.625
inch.)
Figure 8-17 Replace the Motor Brushes
Before you begin, press an E-Stop button to disable the AMR.
To replace the brushes, do this procedure on both sides of the AMR:
1.
Starting on either the left side or the right side of the LD-250 remove the rear skin. See:
Remove and Replace the Rear Skins on page 184.
2.
Remove the side skin on the same side. See: Remove and Replace the Side Skins on page
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