FUEL PRO
®
485
TECHNICAL MANUAL
®
F1485 REV B
T e c h n o l o g y , L L C
6
DAVCO Technology, LLC
www.davco.com
800-328-2611
1600 Woodland Drive, Saline, MI 48176-1629
The Fuel Pro 120VAC overnight heater is installed in the side
of the Fuel Processor .
1 . Open the vent cap . Open the drain valve by turning one to
one and a half revolutions . Drain the Fuel Pro completely .
Close the drain valve .
2 . Remove the pipe plug from the heater port .
3 . Apply liquid thread sealant to the heater threads and
install into the 120VAC overnight heater port on the
Fuel Pro . Tighten to 15-30 ft-lbs .
4 . Connect the wire harness to the heater and route the
harness to a location where it can easily be plugged into
a 120VAC outlet .
5 . Prime the Fuel Pro and check for leaks .
120VAC OVERNIGHT HEATER INSTALLATION
WATER-IN-FUEL SENSOR (WIF) INSTALLATION
1 . Open the vent cap . Open the drain valve by turning one to
one and a half revolutions . Drain the Fuel Pro completely .
Close the drain valve .
2 . Install WIF into WIF port . Torque to 20-24 in-lbs .
3 . Install the filter and prime the unit .
120VAC Overnight
Heater Port
WIF Port