Chapter 8: Maintenance
l
Soft brush.
l
Isopropyl alcohol.
CAUTION: Follow all appropriate local safety regulations for working with
Isotropy alcohol, including fire safety, toxicity, and protective clothing and gear
requirements.
Use the following ESD caster cleaning procedure:
1.
Press an E-Stop button and power off the LD-250 to put it into a safe working state.
2.
Remove the payload structure, if any part of it prevents access top the skins or casters.
3.
Remove the front lower and rear right and left skins. See: Removing and Installing Skins
on page 178.
4.
Lift the LD-250 safely.
5.
Use a vacuum cleaner or compressed air to remove dust and loose material.
6.
Use a wire hook or tweezers and sharp blade to carefully cut away any fibrous material
from around the hub and axle.
7.
Use disposable wipes and a soft brush dampened with isopropyl alcohol to thoroughly
clean all four casters.
8.
Dry the casters thoroughly with a clean wipe.
9.
After cleaning, inspect the caster wheels, axles, and pivots for wear and damage.
10.
Re-install the payload structure if it was removed.
11.
Reinstall the front lower and rear right and left skins. See: Removing and Installing Skins
on page 178.
DANGER: Used wipes are a potential fire and environmental toxicity hazard.
Dispose of them in accordance with safety regulations for your locale.
Cleaning the Rear Sensor
The rear sensor might return false obstacle detection results if the cover surface is dirty or
dusty. Lighter accumulations of dirt and dust might only reduce the sensing range.
The sensor cover is acrylic plexiglass and you cannot use abrasive cleaners or cleaning pads.
Do not use any chemical cleaners, which might damage or cloud the surface.
For best results:
l
Use only low-pressure air to blow off surface dust.
l
Clean the sensor cover only with a soft anti-static cloth and a small amount of mild
detergent solution. Clean in a circular motion to best preserve the surface.
l Use a clean cloth dampened with distilled water to remove any detergent residue.
20472-000 Rev B LD-250 Platform User's Guide 157
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