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
DIESEL PRO
®
243
TECHNICAL MANUAL
F1215 REV H
DIESEL PRO
®
243 TECHNICAL MANUAL
1 . Remove the vent cap . Open the drain valve . Drain the
Diesel Pro completely . Close the drain valve . The fuel can
be reused after the installation .
2 . Remove the WIF or the plug .
3 . Install the WIF into the WIF port . Torque to 45‑60 in .‑lb .
4 . Prime the Diesel Pro (see page 6) and check for leaks .
WIF PORT
1 . Ensure that the drain valve at the base of the Diesel Pro is
closed .
2 . Remove the vent cap from the top of the clear cover .
Fill the Fuel Pro with clean fuel . Install the vent cap and
tighten it by hand until it clicks .
3 . Start the engine . When the lubrication system reaches its
normal operating pressure increase the engine RPM to
high idle for one to two minutes .
4 . After the air is purged
and while the engine is at idle
,
loosen the vent cap and let the fuel level drop to just
above the collar, then tighten the vent cap by hand until it
clicks .
It is normal for the fuel level to vary after the initial start‑up
and during engine operation . Filter performance is not
affected .
PRIMING THE FUEL SYSTEM
WATER‑IN‑FUEL (WIF) SENSOR INSTALLATION
