JRC JMR-92 Series Field Service Manual page 439

Step 6 Replace the encoder.
Remove the two bolts (M4) that hold the encoder and replace it. Hold the gear of the encoder by
lightly pressing it to the gear of the main shaft. After replacing the encoder, close the cover
following the disassembly procedure in the reverse order. Finally, set the safety switch to On and
check the operation.
Starboard side
右舷側
Step 7 Operation check
After completing the replacement work, turn On the safety switch and check operation by
following the procedure below.
(1) Turn On the Display unit. After the countdown is completed, start transmission and check
that the radar image appears without error. Open the service engineer menu to perform
azimuth adjustment.
This completes encoder replacement.
エンコーダ コネクタ
Encoder connector
Encoder
エンコーダ
Ｍ4 ボルト
Remove two bolts
（2 箇所）外す
4-219
(M4)
Chapter 4 Replacement procedure