Propulsion Gearbox / Reduction Gear · Propulsion Gearbox
Scana Volda AG950 / EAG/950 main reduction gearbox with built-in SA350 clutch, right hand rotation, with servo unit for a controllable pitch propeller. Typical application: single-screw vessel with a medium-speed main engine at 800 rpm and a propeller speed of about 104 rpm.
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Lubrication: separate electrically driven stand-by pump 195 l/min with suction pipe (max. 3 m, max. 1 m above output shaft centre), duplex filter, suction strainer on gearbox, gravity tank for stern tube lubrication. Max. system oil pressure 76 bar (servo). Cooling freshwater 38 C, 48 m3/h, lub oil cooler connections DN80 PN16. Monitoring: PS1 auto start stand-by pump 17 bar, PS2 low lub oil pressure 1.5 bar, PS3A/B extra low lub oil pressure 1 bar (main engine stop), PS4 low servo oil pressure 18 bar, TS1 high temperature lub oil 63 C, TS2 thrust bearing 67 C, TS20-TS24 bearing temperatures 75 C (servo, aft and forward pinion, pinion thrust).
Manufacturer parts list 603374GL (AG950 red. gear, right hand rot., drawing VL104550): see parts table. Bearing shells 200497 / 200496, bearing shells prim. G250 G7/8/950 200495 (2 pcs), thrust pads 200499 (10), 200498 (8), 201791 (6), 200532, 300685; shaft seals 503162 (DIN 3760), 501599; aft bushing 405696.
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