Care and Maintenance
FUEL FILTERS WITH VOLVO D13 ENGINE 03085
The optional Fuel Pro 382 diesel fuel filter
system consists of a permanently mounted fuel
processor, a replaceable filter element, a filter
element cover and collar and a fluid filter base
assembly. This system is installed between the
fuel tank and the fuel pump and replaces the
primary fuel filter. The filter serves as a water
separator as well as a fuel filter. To drain, turn ¼
turn the drain valve below filter, close when
water has been flushed out.
DAVCO FUEL PRO 382 INSTALLATION 03032
A/C COMPRESSOR BELT TENSION
ADJUSTMENT
The air conditioning compressors are driven by
V-belts.
Belt tensioning is applied through air bellows
which are adjusted by an air pressure regulating
valve mounted in the engine compartment, right
behind the belt tensioning pressure control valve.
The correct pressure of 30 psi (207 kPa) is set at
the factory. Periodically verify the pressure at the
regulating valve using a tire pressure gauge and
correct if necessary.
AIR BELLOWS 01059
For belt replacement, air pressure must be
released from bellows by means of the belt
tensioning pressure control valve. This valve,
mounted close to the pressure regulating valve,
is manually operated. Before handling, be sure
that all engine stopping safety precautions have
been observed.
PRESSURE REGULATING VALVE 06622_3
• Refer to the Parts Manual, Maintenance
Manual or "Service Bulletins" for
recommended belt sizes and tension
settings;
• Periodically inspect belt and pulleys for wear
or damage;
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