Regal 38 EXPRESS Manuel du propriétaire télécharger pdf (Page 278)

Storage & Winterization

GENERAL NOTES ON ANTIFREEZE

Engine cooling ﬂ uids must be replaced with a marine

antifreeze solution; mix antifreeze according to directions

for the lowest expected temperature. The above method

is much more reliable than just draining the engines and

manifolds because sometimes pockets of water can form

which can freeze in cold temperatures and cause engine

damage. Draining the system fosters rust in engine parts.

Historically, antifreeze was originally made with methanol.

It was because of its chemical nature to escape into the

atmosphere and a high corrosion factor on engine metals

that it was replaced.

Today, ethylene glycol is used in auto and marine engine

applications because of its positive thermal properties. On

the downside ethylene glycol contains silicate rust inhibitors

that can clog up marine heat exchanger surfaces. This is

why it is so important to follow the engine manufacturer

maintenance schedules which include changing the

antifreeze periodically. In addition, the unpleasant odor of

antifreeze is caused by tolytriazole which also contributes

to it being environmentally hazardous. Notwithstanding,

ethylene glycol is poisonous to the human body along

with animals. Therefore, it cannot be used in potable

marine water systems.

Propylene glycol is considerably less toxic and retail

products are labeled as “non-toxic antifreeze”. It is the

product of choice for marine water and waste tanks in

freezing climates. It is available at marinas, RV dealerships,

and retail marine outlets.

NOTICE

USE A SPECIAL NON-TOXIC ANTIFREEZE

IN THE FRESH WATER & WASTE SYSTEM

WHICH IS AVAILABLE AT RV AND

MARINE DEALERS.

DO NOT USE AN AUTOMOTIVE

TYPE ANTIFREEZE.

IT CAN BE HIGHLY

POISONOUS AND CORROSIVE.

STERN DRIVE UNITS

Use the services of a Regal dealer to ensure the drive units

are winterized and have their seasonal maintenance. Your

Regal dealer can check all drive related systems along with

the installed propellers. This is a great time to have the

propellers checked for balance and knicks.

Also, when the the propellers and hardware are off the

propeller shaft and seals can be checked for vacuum and

pressure leakage along with touching up the drive unit.

Refer to your engine operator’s manual for speciﬁ c

drive information and maintenance schedules.

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Regal 38 EXPRESS Manuel du propriétaire Page 278

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