User manual RAYMARINE ST50 SPEED

[. . . ] Distributed by Any reference to Raytheon or RTN in this manual should be interpreted as Raymarine. The names Raytheon and RTN are owned by the Raytheon Company. _- _, _. . . _ _ _ ST50 SPEED Installation and Operation Nautech Limited, Anchorage Park, Portsmouth Hampshire, PO3 5TD, England. Telephone (0705) 693611, Telex 86364 NAUTEC G Contents 1. [. . . ] , L^" ^ &"^. . ^A . . ^^" LOL, , JIJ"J))GG" 111311"IIIT;IIt11(13a Ucl113""Llx cable tail with connector. Each transducer is supplied with 14m (45ft) of cable and the connector fitted on the end simply plugs into the instrument cable tail (Fig. 7). 3. 3 Transducer Installation I^ ^, I ^^^^^ "^^A , L^ :-^l. . . . rl:, . ^^ ^. . ^^ I:-A. . . :`L. , , I ai, MSCJ tww L, IC 1113LI "LLl"lIzi 3")Jpllt?" Wllll the transducer completely before proceeding with the installation. Installation of the through hull type is described below. 8 Sailing Yacht [D + Installation (Fig. 9) 1 n, ;, , " d111111 \I, "ll', tJll"L II"lC 111 LL- --1--1-J - "I 111 q 3. , . m/t , o;. . \ . . :La L-I- :- LIK >t!:It%, tt" position and check both inside and out that the siting is good. l Use a 50mm (2in) diameter cutter to drill the hole from the outside. l Emery to remove burrs and roughen the surface to provide a good key. Clean inside and outside the hull removing any grease with a weak solvent cleaner or household detergent. Semi Displacement _-43 Speed Planing 4 Hole Size c 50mm (2in) Dia. SPEED (2095) and Transducer q---> l 3. 2 Transducer Selection The speed transducers are selected depending on the hull material:- For accurate readings the transducer should be positioned within the shaded area indicated where it will be in clear flow. l Be at least 150mm (6in) from the keel (in a sailing yacht ideally ahead of the keel). l Be clear of other through hull fittings or projections. l Have sufficient clearance inside the hull to allow the nut to be fitted. l Have 1OOmm (4in) headroom above the through hull fitting to allow it to be withdrawn. l 0 l l Remove the paddlewheel assembly and nut from the through hull fitting 2 and apply sealing compound 3 to the mating flange and up the thread 6mm (114in) greater than the hull thickness. Assemble the through hull fitting making sure that the arrow points forward. Check for leaks immediately the vessel is launched. Recheck within 8 to 24 hours. Cabling 0 Route the cable back to the instrument. 0 Avoid running the cable close to flourescent lights, engine, radio transmitting equipment etc. 0 Keep the cable clear of the bilges and secure at regular intervals. 6 7 4. Fault Finding All Autohelm products are subject to a mmnmhc. nciwa `N", ~~"`, """`. tact nrwnr(~~m . "I. y'""". . . . `nrinr tn narkino r. . . A. Maintenance 5. 1 Control Head a , , I L&l Lcllll L"II"ILI"IIJ, rn. . A^. . r^+:^. . [. . . ] LI , , I. Lt r, l Note: If timer is already running, use Timer to return to timer display. - Push Reset to reset. *Display returns to current boat speed after 8 seconds. 12 13 2. Log Calibration As supplied all ST50 Instrument Modules are Tested and Calibrated to factory standards. It is Navigation purposes the following Log Calibration procedures are carried out for your specific installation. [. . . ]