MAINTENANCE, TROUBLESHOOTING

WARNING

ELECTRICAL SHOCK HAZARD

Do not open the equipment.

Only qualified personnel should work inside the equipment.

Turn off the radar power switch before servicing the scanner unit. Post a warn- ing sign near the switch indicating it should not be turned on while the scanner unit is being serviced.

Prevent the potential risk of being struck by the rotating scanner and exposure to RF radiation hazard.

Wear a safety belt and hard hat when working on the scanner unit.

Serious injury or death can result if someone falls from the radar scanner mast.

3.1 Periodic Maintenance Schedule

Periodic checks and maintenance are important for proper operation of any electronic sys- tems. This chapter contains maintenance instructions to be followed to obtain optimum per- formance and the longest possible life of the equipment.

Table 3-1 Maintenance schedule

Interval

Check point

Check and measures

Remarks

 

 

 

 

 

 

Weekly

Display unit

Periodically clean the exterior of

A CRT screen produces static charge

 

 

 

display unit with a dry soft cloth.

which attracts dust. DO NOT use

 

 

 

Use of commercially available

strong solvents like paint thinner or

 

 

 

CRT cleaner (spray) having

abrasive cleaners for cleaning.

 

 

 

antistatic effect is recommended.

Dust and dirt on CRT creates

 

 

 

 

symptoms similar to poor sensitivity.

 

 

 

 

 

 

 

 

 

(Continued on next page)

3-1

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