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TABLE OF CONTENTS

Applications, Models, and Options . . . . . . . . . . . . . . . . . . 1
How it Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . . 2
®
Dimensions and Specifications . . . . . . . . . . . . . . . . . . . . . 3
Important Safety Precautions . . . . . . . . . . . . . . . . . . . 4
Mounting and Fuel Line Routing . . . . . . . . . . . . . . . . . . . . 5
Coolant Hose Routing* . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Upgrading Fuel Pro 483 to Coolant Heat* . . . . . . . . . . . . 7
12VDC Electric Pre-heater Installation . . . . . . . . . . . . . . . 8
Priming the Fuel System . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Water in Fuel (WIF) Sensor Installation . . . . . . . . . . . . . . 10
Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 11
Filter Change Procedure . . . . . . . . . . . . . . . . . . . . . . . . . 12
Visual Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Diagnostic Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Heaters & Water In Fuel (WIF) Sensors . . . . . . . . . . . . . . 17
Warranty Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Parts Return Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
This manual applies to Fuel Pro 483 models with and without Coolant Heat.
Items marked with * indicate Coolant Heat features.
FOR UPDATED INFORMATION, VISIT WWW.DAVCO.COM
F1305 REV F

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Summary of Contents for Davco FUEL PRO 483

  • Page 1: Table Of Contents

    Coolant Hose Routing* . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Upgrading Fuel Pro 483 to Coolant Heat* . . . . . . . . . . . . 7 12VDC Electric Pre-heater Installation .
  • Page 2: Applications, Models, And Options

    Fuel level rises to maintain a fuel path through the clean filter media and with lowest restriction . • Clean, water-free fuel exits the Fuel Processor and flows to the engine fuel module . Fuel System Diagram showing Coolant Heat Connections DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com...
  • Page 3: Seeing Is Believing

    . Restriction is increasing and the filter element should be The filter still has significant life remaining . changed at the next scheduled maintenance interval . DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com...
  • Page 4: Dimensions And Specifications

    3 .5 in (88 .9 mm) Max . Fuel Flow 180 gph 12VDC, 195 W, 18 A Electric Pre-heater 120VAC, 75 W, .65 A Flow (gph) DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com F1305 REV F...
  • Page 5: Important Safety Precautions

    To avoid serious injury or death, follow the safety information in this document . • Keep this manual . If you need to replace the manual, call customer service at 800-328-2611 or visit www .davco .com/documents for a replacement . • Read all product safety labels .
  • Page 6: Mounting And Fuel Line Routing

    . Drain the used element FUEL OUT and dispose of it in an environmentally responsible manner, according to state and/or federal (EPA) recom- mendations . DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com...
  • Page 7: Coolant Hose Routing

    483 Coolant Heater Integral Manifold . 1 . Connect a high pressure hose on either side (or bottom) of the Fuel Pro 483 and a low pressure hose on the op- posite side or bottom (Figure 1) . Note: Coolant hoses must be connected so the coolant...
  • Page 8: Upgrading Fuel Pro 483 To Coolant Heat

    T e c h n o l o g y , L L C UPGRADING FUEL PRO 483 TO COOLANT HEAT* Note: Steps 1 thru 4 can be skipped if the Fuel Pro 483 Note: Do not connect as shown below .
  • Page 9: 12Vdc Electric Pre-Heater Installation

    T e c h n o l o g y , L L C 12VDC ELECTRIC PRE-HEATER INSTALLATION The Fuel Pro 483 12VDC or 120VAC electric pre-heater is 4 . Connect the chassis harness to the Fuel Pro harness .
  • Page 10: 120Vac Electric Overnight Heater Installation

    T e c h n o l o g y , L L C 120VAC ELECTRIC OVERNIGHT HEATER INSTALLATION The Fuel Pro 483 12VDC electric preheater or 120VAC 1 . Drain all the fuel from the Fuel Pro . The fuel can be electric overnight heater is installed in the side of the fuel reused after the heater is installed .
  • Page 11: Water In Fuel (Wif) Sensor Installation

    16 . Check for any possible leaks . It is normal for the fuel level to vary after the initial start-up and during engine operation . Filter performance is not affected . DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com...
  • Page 12: Preventive Maintenance

    . anti-seize lubricant every 180 days . • Start the engine . Raise the RPM for one minute to purge the air from the system . DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com F1305 REV F...
  • Page 13: Filter Change Procedure

    (~18 ft-lbs) . 2 . Remove the collar (using a DAVCO wrench) then re- move the clear cover . 7 . Prime the unit by filling the clear cover with clean diesel fuel until it reaches the top of the filter .
  • Page 14: Visual Diagnostics

    There is no troubleshooting or repair procedure re- quired for vapor bubbles. Vapor bubbles do not cause performance issues and will not be present after the lift pump. AIR BUBBLES VAPOR BUBBLES DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com F1305 REV F...
  • Page 15: Diagnostic Procedures

    II . Excessive Restriction: If the fuel level is at the top of tank up to the fuel filter . The following is a quick test to the filter, replace the fuel filter . The Fuel Pro 483 will not isolate the air leak source .
  • Page 16 . 24VDC (PTC) 195 W 2 .0-3 .0 @ 77°F (25°C) 12VDC (PTC) 155W 0 .95 to 1 .2 @ 77°F (25°C) DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com F1305 REV F...
  • Page 17: Service Parts

    Pre-heater Coolant Heat Service Parts Drain valve (Applies to Fuel Pro 483 with coolant heat) Note: The drawing above reflects the left side Fuel In/Fuel Out configuration . Fuel In is also available on the right side . Thermo-valve Coolant Port Plug Thermo-valve Port...
  • Page 18: Heaters & Water In Fuel (Wif) Sensors

    WIF (Deutsch Connector) 102521 black connector WIF (Metri-Pack Connector) 102770 WIF (Navistar)(Amp Connector) 102871 WIF Wiring Harness 102600 To be used with WIF 102512, 102521 DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com F1305 REV F...
  • Page 19: Warranty Policy

    . In the unlikely event of a defective product, DAVCO will either rework the defective product or replace it at DAVCO’s discre- tion . If you feel you have a warrantable issue, contact DAVCO at 800-328-2611 for a Return Goods Authorization (RGA) number ** .
  • Page 20: Parts Return Policy

    PARTS RETURN POLICY Parts Return General Policy Note: A Return Goods Authorization (RGA) must be obtained from DAVCO prior to returning any products . Returns may be accepted under the following circumstances: Order Shipping Error: A credit against the original invoice, including freight charges for both ways will be issued for returns in which DAVCO inadvertently shipped incorrect quantity or product .

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