Maintenance, Troubleshooting; Preventative Maintenance; How To Clean The Equipment - Furuno CH-500 Operator's Manual

6. MAINTENANCE, TROUBLE-
SHOOTING
This chapter provides information necessary to keep the equipment in working order.
6.1

Preventative Maintenance

Check the following items monthly.
• Check cables. If a cable is damaged, replace it.
• Check the connectors at the rear of each unit. Clean the connectors if necessary.
• Check the earth (grounding) for each unit. Clean or replace if necessary.
• Check the voltage of the ship's mains to make sure it is within range of the equip-
ment's power rating.
6.2

How to Clean the Equipment

Dust or dirt can be removed from the equipment with a soft, dry cloth.
Do not use chemical cleaners to clean the equipment, they can remove paint and
markings.
The LCD will, in time, accumulate a coating of dust which tends to dim the picture.
Wipe LCD lightly with soft cloth to remove dust.
WARNING
ELECTRICAL SHOCK HAZARD
Do not open the equipment.
Only qualified personnel
should work inside the
equipment.
6-1