4-16 
(3)    Remove the metal fitting and the gear 
wheel from the encoder, attach them to the 
replacement encoder and fit it into the 
casing. 
 
 
 
(4)    After having replaced the encoder, 
reassemble the unit by following the 
disassembly procedure in the reverse order. 
Do not forget to tighten the bolts and screws, 
and do not forget to reconnect the cables. 
 
[Operation check] 
After having completed the replacement, follow the procedure below to check the 
operation. 
 
(1)    Turn on the radar and emit radar waves once the countdown is finished, and 
check that the radar image is correctly displayed. Open the service engineer menu 
and adjust the azimuth. 
 
Remove the nut. 
Metal fitting
Encoder
Remove the 
three screws.