This particular stuffing box is a 1 inch box from a 1985 catalina 36 and uses three rings 3/16 flax packing. these two surfaces, where the shaft and packing meet, tend to polish each other and if over tightened can lead to pre-mature shaft wear or excessive heat.. Boat drive train & shaft packing. the drivetrain starts at the transmission and includes everything through the end of the propeller shaft – including couplings, drive plates, the marine stuffing box and shaft packing, or marine shaft seal, the flex couplings, the cutless bearing and more.. Pss shaft seal 1-18" boats with 1-1/8" drive shaft and 1-3/4" shaft log. includes water supply kit. stainless steel rotor slides down the shaft and compresses the graphite faced bellows to make the seal..
How to replace your drive / rudder shaft stuffing box packing with gfo stuffing packing box with new gfo packing for your boat, powerboat and sailboat. boat yard: shaft seal maintenance. As such anything in the drive train becomes anodic to the packing. older "bronze" shafts, really more like a brass because they had high zinc content, can be damaged by these new high tech packings. the damage shown in this photo happened in one season with intact prop shaft zincs.. 5 inch shaft, with boat in the water..
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