5. MAINTENANCE & TROUBLESHOOTING
This chapter tells you how to keep your ra- dar in good working order. Before reviewing this chapter please read the safety informa- tion which follows.
DANGER
Turn off the power before performing any maintenance or troubleshooting procedure.
Hazardous voltages can shock, burn or cause death. Only qualified personnel totally famillier with electrical circuits should work inside the units.
RF RADIATION HAZARD
The radar scanner emits high frequency
radio radiation which can be harmful, particularly to your eyes.
Never look directly into the scanner from a distance of less than two feet when the radar is in operation as you could injure the cornea of your eyes. Always make sure the radar is set to
5.1 Preventive Maintenance
Regular maintenance is important for good performance. Always keep the equipment as free as possible from dirt, dust, and water splashes. Make sure all screws securing the components are properly tightened.
A maintenance program should be estab- lished and should at least include the items listed in Table
5.2 Replacing the Fuse
The fuse in the power cable protects the equipment against reverse polarity of ship's mains, overcurrent, and equipment fault. If the fuse blows, find the cause before replac- ing it. Never use an incorrect fuse - serious damage to the equipment may result and void the warranty.
12V: 10A fuse
24/32V: 5A fuse
CAUTION
Use the proper fuse.
Use of a wrong fuse can result in equipment damage.
Table 5-1 Recommended maintenance program
Period | Item | Check point | Remarks |
|
|
|
|
3 to 6 | Exposed | Check for corroded or loosened | Sealing compound may be used |
months | nuts and | nuts and bolts. If necessary, | instead of paint. Apply a small |
| bolts on | clean and repaint them thickly. | amount of grease between nuts |
| scanner unit | Replace them if heavily | and bolts for easy removal in |
|
| corroded. | future. |
|
|
|
|
| Scanner | Check for dirt and cracks on | Do not use plastic solvent |
| radiator | radiator surface. Thick dirt should | (acetone) for cleaning. If you |
|
| be wiped off with soft cloth | need to remove ice from scanner |
|
| dampened with fresh water. If a | unit, use a wooden hammer or |
|
| crack is found, apply a slight | plastic head hammer. Crack on |
|
| amount of sealing compound or | the unit may cause water |
|
| adhesive as a temporary | ingress, causing serious |
|
| remedy, then call for repair. | damages to internal circuits. |
|
|
|
|
6 months | Display unit | Check for tight connection and | If corroded, contact your dealer |
to 1 year | connectors | corrosion. | for replacement. |
|
|
|
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