Meridian Yachts 391SB Sedan, Owner'S Manual

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Chapter 3: Propulsion & Related Systems 391 Sedan • Owner’s Manual
44
Shaft-Transmission Alignment
Alignment between the engine transmis-
sion output shaft and the propeller is crit-
ical. The alignment was performed at the
factory and was rechecked by the dealer
after your yacht had been in the water for
48 hours.
•
An alignment inspection should be
performed by a marine mechanic as
part of the routine maintenance pro-
gram after the initial 30 hours of
operation, then every 60 hours and
whenever unusual noise or vibration
is noticed.
•
Shaft-transmission alignment should
be performed by a marine mechanic
since it requires moving the engine
and prop shaft.
•
To insure proper alignment after a
haul out or dry storage, wait 48 hours
after launching before final alignment
adjustments by a marine mechanic
are made.
Shaft Log Packless Sealing
System
Read the PSS Shaft Seal Installation
Instructions for maintenance and
inspection details.
SYSTEM DAMAGE HAZARD!
•
If you suspect a shaft-transmission alignment problem, have a qualified mechanic inspect
the alignment as soon as possible.
•
Continued use may lead to premature engine, transmission, shaft, shaft seal and/or
hull damage!
CAUTI ON !