26
Chapter 8
Make sure the ignition keys are in the “OFF” position
along with the battery switch.
It is recommended that you wear a pair of leather gloves
to protect yourself from sharp propeller blades. With
dual
propeller units you may be able to use a piece of wood
between the top of the gear housing and the propeller to
hold it from turning while you are removing the prop
nuts and hardware to access the props. Some of these
units use 2 lock nuts, one for each propeller. You may
need a special socket and rachet set to remove the propeller
nuts. Line up the hardware according to its disassembly
for reassembly purposes. Below are drawings showing
selected propeller shaft hardware for both Volvo and
Mercruiser units. See the engine manufacturer’s owners
manual for further information.
Install propeller nut.
Tighten to 45 ft. lbs. (Use
torque wrench) Make
sure the chamfered edge
of the prop nut is facing
forward. Failure to
install prop nut correctly
could result in loss of
prop or damage to lower
unit.
PROPULSION MAINTENANCE
ENGINE
Each engine package is unique and quite complex. A select
portion of the maintenance items are covered in this
chapter. Many times because of the advanced ignition and
fuel injection systems used on marine engines it is best to
use trained marine professionals. For more detailed
information, refer to the manufacturer’s engine owner’s
manual or call your closest Regal dealer.
STERN DRIVE
The stern drive unit should be checked before each outing.
Tilt the drive unit up and check for any debris around the
intake or wrapped around the propeller or shaft. Check
your engine manual for specific drive maintenance
schedules.
PROPELLERS
Out-of-balance or nicked props will effect performance
or cause vibration. Damaged props should be replaced,
but those that are chipped or bent can usually be
reconditioned by a propeller repair facility. When cruising,
Regal recommends you carry a spare set of props on board
because many marinas do not offer a full inventory of
replacement propellers. Refer to the manufacturer’s engine
manual for appropriate stern drive propeller replacement
and correct installation procedures.
Be sure to make a note of the propeller diameter and pitch
while the vessel is in dry dock. They are normally pressed
into the prop for easy reading.
If you feel vibration the propeller(s) may be damaged.
Turn the engine off, raise the drive and inspect for damage.
If the vessel revs up but does not gain proper speed
moving forward a propeller hub may of spun out. This
requires replacing the propeller.
Coat both shafts with
marine grease. Place the
remote control in
forward position to lock
shafts. Install the front
propeller.
VOLVO DUO PROP INSTALLATION
VOLVO PROPELLER REMOVAL
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