User manual FURUNO 1731 MARK 3

[. . . ] C Yo u r L o c a l A g e n t / D e a l e r 9-52, Ashihara-cho, Nishinomiya, Japan Te l e p h o n e : Te l e f a x : 0 7 9 8 - 6 5 - 2 111 0798-65-4200 All rights reserved. Printed in Japan FIRST EDITION J : FEB. OME-34450 (HIMA) MODEL1731 MARK-3 EQUIPMENT LIST Complete Set No. 1 2 3 4 5 Name Antenna Unit Display Unit Spare parts Accessories Installation Material (Select one. ) Type RSB-0071-058 RDP-099-31M3 FP03-06000 SP03-05800 CP03-18000 CP03-18010 CP03-18020 CP03-18030 Code No. [. . . ] whatever length is used it must be unbroken; namely, no splicing allowed. (2) Deposits and fumes from a funnel or other exhaust vent can adversely affect the aerial performance and hot gases may distort the radiator portion. The antenna unit must not be mounted where the temperature is more than 70°C Mounting the antenna 1. Open the antenna unit packing box carefully. Unbolt the four bolts at the base of the radome to remove the radome cover. Antenna unit The mounting surface must be parallel with the waterline and provided with five holes whose dimensions are shown in the outline drawing attached at the end of this manual. The unit is adjusted so a target echo returned from the bow direction will be shown on the zero degree (heading line) position on the screen. When drilling holes, be sure they are parallel with the fore and aft line. Prepare a platform of 5 to 10 millimeters in thickness for the antenna unit. A mounting bracket for mounting the antenna unit on a sailboat mast is optionally available. (Refer to page 1-9. ) Find the cable entry on the radome base. Next, position the radome base so the cable entry faces the stern direction. This alignment must be as accurate as possible. Ship's bow Radome cover Antenna base plate Effective thread length Cable entry Gasket Radome 25 mm 5 - 10 mm 4- 12 Holes Flat washer Spring washer Apply silicone sealant. Platform Flat washer Spring washer M10 x 25 Hex bolt Platform M10 x 25 Hex bolt Antenna unit, cover removed Antenna unit How to fasten the radome base to the mounting platform Wiring and final preparation 4. Drill a hole of at least 20 millimeters diameter through the deck or bulkhead to run the signal cable between the antenna unit and the display unit. (To prevent electrical interference avoid running the signal cable near other electrical equipment and in parallel with power cables. ) Pass the cable through the hole. Then, seal the hole with sealing compound for waterproofing. [. . . ] Attach the EMC core supplied as shown below. J802 J801 Cable entry Cable entrance Cable clamping plate J801 J802 J804 MD-9208 J805 MD9208 J806 J803 Motor PTU-9335 J611 IF-9214 EMC core E04SS251512 (Above cable clamping plate) J1 J613 PTU-9335 J611 IF9214 RF unit How to attach EMC core 11. Attach the radome cover, aligning triangle mark on radome cover with that on radome base. Radome cover Radome base How to position the radome cover 13. You will tighten them after confirming magnetron heater voltage. 6-3 [. . . ]