I. INTRODUCTION
The Doran 360RV is a full-time wireless electronic tire pressure monitoring system (TPMS)
designed to monitor and display tire pressures from 10 psi up to 188 psi. It is capable of
displaying current tire pressure on demand, whether moving or stationary. The 360RV is a
monitoring system and will not prevent tires from losing pressure or failing. However, low
pressure is the leading cause of premature tire failure and the 360RV can provide early notice of
potential problems and assist in maintaining proper pressurization in vehicle tires. The 360RV can
be used on all pneumatic tires.
The 360RV consists of two basic components: tire sensors which screw onto the valve stems of
tires, and a monitor. Sensors transmit a coded RF signal and alert if pressure drops. The monitor
displays each tire's pressure and an audible alert if tire pressures drop. During an alert, the low
tire location is displayed on the monitor, the monitor will display LOW PRESSURE , the current
pressure reading for that tire flashes, and an audible alert sounds. The system can alert at 2
levels: The first alert occurs when pressures drop more that 12.5%. A second more urgent alert
occurs if tire pressures drop more than 25%. As with many RF products, signal interruption can
occur and prevent a signal to reach the monitor. When used properly, the Doran 360RV will
inform the driver of the tire pressures on the vehicle so the operator has the opportunity to make
any necessary adjustments to the air pressure before a serious problem occurs.
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Tires and valve stems should be inspected thoroughly prior to installation of the system to
ensure they are in good condition and inflated properly. It is not uncommon to find valve stems
that need replacing when installing the 360RV system. Doran recommends that rubber valve
stems be replaced with metal stems. Some rubber stems have been found to be inferior and
could fail prematurely.
A visual inspection of tires on a regular basis is recommended. The 360RV does not
prevent low tire pressure, it alerts when tire pressures are low, allowing action to be
taken. A damaged sensor or valve stem can cause pressure loss. Inspect regularly. If
repeated faults are observed, discontinue use of the system and contact Doran Mfg. at:
1-866-816-7233.
The 360RV cannot prevent tire/wheel overload. Overloading any tire is extremely
dangerous and can cause the failure of any suspension component, not just tires! The only way
to detect overloading is to weigh the vehicle! A vehicle should never be operated if the weight on
any wheel is greater than the design specification! Even a correctly inflated tire can fail if
overloaded.
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Sensor Specifications