Note: If the macerator won’t turn on, check the circuit breaker
at the battery switch panel. If resetting the breaker doesn’t
allow the macerator to turn on, see your dealer to determine
the cause of the problem.
Gray Water System
If your boat is equipped with a gray water system, all your drained
water from sinks and showers will go to a gray water holding tank.
Chaparral boats are equipped to have gray water pumped at
marina. (Figure 3.5)
ADDITIONAL INBOARD SYSTEMS
This section discusses your boat’s propulsion equipment.
Depending on boat model, your boat is powered either by inboard
engines through a transmission or by sterndrive(s). If your boat has
a sterndrive, the manufacturer’s manual provides detailed informa-
tion about its operation.
Note: The information in this section applies primarily to V-drive
powered boats.
Propellers
The propellers supplied with your boat have been selected as the
best propellers for typical use. Consider keeping an extra set of pro-
pellers on your boat. If the propellers become damaged, you can
replace them with the spares and continue your outing. Check with
your dealer if you want to purchase an extra set.
Note: You, as the boat owner, can change propeller sizes to
suit other conditions. Any damage caused by the change in
propeller size is the responsibility of the owner.
Propeller Shaft
The propeller shaft is made of stainless steel which has excellent
corrosion resistance and very high strength. The coupling at one
end of the shaft is bolted to the transmission. The other end of the
shaft is tapered, threaded, and keyed for installation of the propeller.
Struts
Each propeller shaft is supported by struts fastened to the bottom of
the hull. The struts have replaceable bearings to minimize wear and to
protect the shaft at the points where it passes through the strut hubs.
Shaft Log and Shaft Seal
The shaft log or stern tube is a bronze tube laid up or bolted into the
hull for the propeller shaft to pass through.
The propeller shaft seal consists of a water-cooled lip seal con-
tained in a housing. This housing is attached to the shaft log with a
blue convoluted silicon hose and clamps. The lip seal is similar to
the seal in the aft end of the marine gearbox. The purpose of the
shaft seal is to keep water from leaking around the shaft and into
the bilge.
The water injected into the shaft seal passes out of the boat via the
shaft log. This cooling water is taken from the raw water system of
the engine. It is recommended to check the water supply at least
once a season. For further information, see the Strong SureSeal
brochure that is in your owner’s pack.
3-12
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