JRC JMR-92 Series Field Service Manual page 226

Coaxial cable (JMR-9230-S3, JMR-7230-S3)
The coaxial tube gland of a coaxial cable terminal is fully waterproofed when installed. To prevent a
water leakage accident, periodically inspect the coaxial tube gland. In particular, the coaxial tube gland
should be repainted every six months.
Do not apply strong shock to the coaxial cable by striking it with a tool or
hammering it.
Otherwise, an open circuit failure may result.
Do not place anything heavy on the coaxial cable.
Otherwise, an open circuit failure may result.
Do not twist or pull the coaxial cable.
Otherwise, an open circuit failure may result.
For the details, refer to the coaxial cable installation procedure for S-band radars.
Transmitter-receiver (NTG-3225/3230)
Wipe dust off the transmitter-receiver with a dry cloth or feather duster.
Display unit
When cleaning the screen, do not wipe it too strongly with a dry cloth.
Also, do not use gasoline or thinner to clean the screen. Otherwise the
screen surface may be damaged.
Dust accumulated on the screen will reduce clarity and darken the video.
For cleaning it, wipe it with a piece of soft cloth (flannel or cotton). Do not wipe it strongly with a piece of
dry cloth nor use gasoline or thinner.
Chapter 4 Replacement procedure 4-6