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• Remove any dust, dirt, or sea salt from the external surfaces, particularly the front side of the
scanner, with a lint-free cloth dampened with alcohol or water. Do NOT use petrol, gasoline,
benzene, thinner, or similar solvent to dampen the cloth as these cause deterioration of the
external surfaces.
• At least once every six months, apply grease (Mobilux 2 or equivalent) evenly to the
lubricating gears, with a brush or knife. More frequent application is desirable to maximize the
life of the lubricating gears.
• The drive motor brush has an expected life of 2,000 hours. Replace it when half of the overall
length has worn away. The drive motor carbon brush can be removed easily by unclipping the
two caps located on both sides of the bottom part of the drive motor.
• Clean any carbon powder off the drive motor commuter with a dry brush or, if this will not
remove it, use sand paper #250 to #400.
11.4 Other maintenance items
Re-set the heading calibration annually and after any major structural changes to the vessel.
11.5 Feedback from you
Your feedback is important and helps Northstar ensure that this manual is a valuable resource for
all marine technicians. E-mail your comments or suggestions about this manual to the following
address: manuals@northstarnav.com.
11.6 Feedback from you
Your feedback is important and helps Navico ensure that this manual is a valuable resource for all
marine technicians. E-mail your comments or suggestions about this manual to the following
address: manuals@northstarnav.com.