Monaco Executive 2001, Руководство пользователя

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A. Electronic output. The sender has a transistorized output. This prevents
an ohmmeter from getting a correct reading of its output resistance.
B. Fuel Only: The sender will not work correctly in conducting fluids
such as water ( it will read above full all the time in water). One pos-
sibility when you have a constant above-full reading is that you have
water at the bottom of the fuel tank.
C. Contact Centroid: Probably 90% of the returns Centroid tests work
okay on the bench. If you have incorrect readings, when possible con-
tact Centroid ( tel 800-423-3574, or preferable fax 904-423-3709) with
your symptoms. You will be provided with a short “fill in the blanks”
troubleshooting test appropriate to your sender. It is easier to find the
problem that way than after the sender has been removed from the sys-
tem, since the problem is not necessarily with the sender.
A fully formulated antifreeze or coolant containing a precharge of
Supplemental Coolant Additives (SCA) is recommended. The use of either
will significantly simplify coolant system maintenance. The difference
between a fully formatted antifreeze and a fully formatted coolant is the per-
centage of water. Both contain balance amounts of antifreeze, SCA, buffer-
ing compounds and a percentage of good clean quality water. The antifreeze
of coolant must meet ethylene glycol or propylene glycol recommendations.
A good clean quality water in a 50/50 ratio (40 to 60 percent working range)
mixed with fully formatted antifreeze will provide protection from -34º F to
228º F. The 50/50 mix ratio must be premixed prior to being put in the sys-
tem. Placing antifreeze and water in the cooling system is not recommended.
Consult the O&M manual for more details.
NOTE: An over concentration of antifreeze, or the use of high silicate
antifreeze, can cause damage to the coolant system and engine.
Antifreeze is essential in every climate.
The coolant fluid freeze point should be checked with every oil change
interval at 15,000 miles, 500 hours or 6 months, whichever comes first. Also
change the coolant filter at the same interval unless SCA concentration is
over three units. The coolant should be drained and flushed at 6000 hour or 3
years of service, whichever comes first.
Engine Coolant Reservoir
A “see-through” plastic reservoir, similar to the familiar windshield wash-
er jar, is connected to the radiator by a hose. As the motorhome is driven,
coolant is heated and expands. A portion of fluid displaced by this expansion
flows from the radiator into the reservoir tank. When the engine is stopped,
and coolant cools and contracts, displaced coolant is drawn back in the radia-
Chassis Information
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E X E C U T I V E
7 • 2 2 4
Troubleshooting
COOLANT