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JMA-9172-SA Instruction Manual > 8.COUNTERMEASURE FOR TROUBLE ... > 8.2 MAINTENANCE ON EACH UNIT
c. Rotating section
c-1 Supply Oil Seal
An scanner unit with a grease nipple needs grease supply. Remove the cap on the
grease nipple located on the front of JMA-9172-SA radar at which the radiator is
supported, and grease with a grease gun.Make the oiling every six months. The
oil quantity shall be approximately 100 g, which is as much as the grease comes
out of the oil seal. Use the grease of Mobilux 2 of Mobil Oil.
c-2 Oiling gears
Apply grease evenly to the tooth surfaces of the main shaft drive gear and the
encoder drive gear with a spreader or brush. Oiling in short intervals is more
effective to prevent the gears from wear and tear and extend their service life, but
oil at least every six months.
Use Mobilux2 of Mobile Oil.
c-3 Mounting legs
Check the mounting legs and mounting bolts of the antenna unit case for corrosion
at intervals and maintain them to prevent danger. Apply paint to them once a half
year because painting is the best measure against corrosion.
8.2.2 Display Unit (NCD-9170)
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.
• 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
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