Koden Electronics RB715A User Manual

CHAPTER 6. MAINTENANCE AND INSPECTI ON

Most of maintenance of this radar should be referred to qualifie d personnel. If

radar has an y problem, co n tact your dealer and tell us that problem.

!

WARNING

There are high voltage circuits inside of this radar.
Do not attempt to open the rear cover of display
un it or di sassemble i nternal parts. W hen you op en
the radome, power must be off.
Even power switch is OFF, this radar is still sup­plied powe r ins ide .

The foll owing table shows th e maintenan ce b y user. P l ea se c heck peri od i cal l y .

Tab . 6-1 Ma int enan ce

Inspection Interval Inspection Item Method of Inspection and Maintenance
3-6 months Rust a n d l oose ness

in scanner unit
Display screen of

LCD display

6-12 months Grease* application

to antenna drive
gear
Check for contact
of connectors

Antenn a mo to r
brush(RA42C)

Check whether the scanner’s fitt ing bolt s are
corroded or less.

Clean filter and LCD screen surfaces with a
soft and wet cloth.

Apply an even coating of grease* to the entire
surface of the antenna drive gear with a spat­ula or brus h .

Check whether connectors are contacted
properly. If any connector is improperly con­ta ct ed or sta i ned, corr ect i t by using a cont a ct
restoring chemical agent or by polishing or
replace with a new one if necessary.

Check the length of brushes. I f the length is
under 6mm, change them to new one.

*: Use grease for plastics for RA40C/41C. If you use other type of grease(not for plastics),

it may break antenna

Concerning Consumable

The radar uses consumable as listed below that require periodic replacement.

(1) Mag netron

This part i s mount ed in the scan ner un it. If distan t echo im ag es h ave
become l ess visible, th e mag netro n p r oba bly may h a ve deg r aded . In such a
case, rep lac e it. Co n s ult yo ur d istributor f o r repl ac em ent o f this part.

Period of the replacement : 3000hour(typ.) (500hour guarantee)

(2) LC D ba ck-li ght

This part is mounted in the display unit. I f the display scree n is ex­tremely dar k and its illumination cannot be corre cte d by a djusting bright­ness, the LCD back-light may be faulty or may have burnt out. In such a
case, rep lac e it. Co n s ult yo ur d istributor f o r repl ac em ent o f this part.

Period of the replacement : 15000hour(typ.) (1000hour at 0•)

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(3) Fuse

The fuse is built in
the power supply cable.
I f the fuse appe ar s to be
blow n, check the fu se. I f
blown, replace it
following the procedure
shown in Fig.6-2.

To display unit

Wire(White)

Power supply cable

Push

Turn countercl ock wi se
and pull

Spring

Fuse

Replace new fuse

Push and turn clockwise

Fig. 6-2 Method for replacing fuse

Note : Before mai ntenance of scanner , you ca n hang a radome(u pper ) using cord

through hole as follows.

A

Cord

A: Top view

Radome(bottom)

Hole

Cord

Radome(Upper)

Fig. 6-3 Method for replacing fuse

80

Fixing screw