1985 Mercury Outboard V-300 V-3.4L Shop Service Manual, Page 193Get this manual
Propeller Installation AWARNING
When Installing or removing propeller, because of the motor'ease In startingbe sure that the remote control I, In neutral pOt llion and that the key switch I,OFF"Place block of wood between the anti-cavitation plate and propeller to prevent accidental motor starting and to protect hands from propeller blades whil removIng or Installing nutIAppl li bera coal of ne of the followi ng Quic ksil ver products 11 propeller shaft splines:
- Special Lub rican 10124C Multi -LubePerfect Seal
a Rea Thrust Hub Tab Washer Propeller Nut Figure 16Propeller Nut and Tab Washe 5Thread propell er nut on propeller shaft un til nu is reo cessed in to tab washer6Aft er prope ller nu is recessed int tab washer tighte lIu securely [minimum of SS Ibsft(7S N.m) torque]7Bend of Ih labs of tab wa sher down in grooves of rear ,hrusl hub 10 secure propell er !l I(Figure 16) (If tab washer tabs do 11 al ign with slot sco ntinue to tight en propelle nul lO obtain lignmentDO NOT loosen nutlo al ign tabs