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DIESEL PRO 243 Technical Manual
TABLE OF CONTENTS
Applications, Models, and Options . . . . . . . . . . . . . . . . . . 1
How it Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
. . . . . . . . . . . . . . . . . . . . . . . . 2
®
Dimensions and Specifications . . . . . . . . . . . . . . . . . . . . . 3
Important Safety Precautions . . . . . . . . . . . . . . . . . . . 4
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Installation Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Water in Fuel Sensor (WIF) Installation . . . . . . . . . . . . . . . 8
Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Filter Change Procedure . . . . . . . . . . . . . . . . . . . . . . . . . 10
Visual Diagnostics With Clear Cover . . . . . . . . . . . . . . . . 11
Visual Diagnostics - Air vs . Vapor Bubbles . . . . . . . . . . . 12
Diagnostic Procedures - Air Leaks . . . . . . . . . . . . . . . . . 13
Diagnostic Procedures - Heater Testing . . . . . . . . . . . . . 14
Check Valve Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . 15
Service Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Warranty Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Parts Return Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
FOR UPDATED INFORMATION, VISIT WWW.DAVCO.COM
F1215 REV E
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Summary of Contents for Davco DIESEL PRO 243
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Page 1: Table Of Contents
DIESEL PRO 243 Technical Manual TABLE OF CONTENTS Applications, Models, and Options . . . . . . . . . . . . . . . . . . 1 How it Works . -
Page 3: Applications, Models, And Options
Fuel System Diagram ENGINE LIFT PUMP INJECTION PUMP Fuel to engine from Diesel Pro Fuel to fuel tank Fuel from fuel tank to Diesel Pro FUEL TANK DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com F1215 REV E... -
Page 4: Seeing Is Believing
Restriction is increasing and the filter element should be taining lowest restriction . changed at the next scheduled maintenance interval . DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com... -
Page 5: Dimensions And Specifications
Filter Service Clearance Min 1 .50 in (38 mm) Max Fuel Flow 60 gph Electric Pre-heater 12VDC, 150W, 13A 120VAC 75W, .65A Flow (gph) DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com F1215 REV E... -
Page 6: 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 7: Installation Instructions
. If the Diesel Pro • Use 90° elbows only when necessary . can be used as a single filter, DAVCO offers a diverter cap to replace the secondary filter . (See Diverter Cap Installation •... - Page 8 4 . Thread the adapter onto the secondary filter stud and tighten by hand only . 5 . Install the “Do Not Remove” label on the diverter cap . DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com...
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Page 9: 12 Vdc And 24 Vdc Electric Pre-Heater Installation
– Battery Fuse Pre-heater Key Controlled Circuit with Optional Relay Relay Harness Heater Connector Pre-heater Fuse 12/24 VDC 30/51 Ignition 30/51 Circuit OPTIONAL Fuse RELAY DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com F1215 REV E... -
Page 10: Water In Fuel Sensor (Wif) Installation
TO ANY KEYED GREEN 12 OR 24 VDC SOURCE BLACK CHASSIS GROUND CHASSIS GROUND (Recommended fuse: 500ma for 12 VDC. Do not exceed 1 A.) DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com F1215 REV E... -
Page 11: Preventive Maintenance
Check all electrical connections for corrosion . Check all fuel fittings for leaks . • Extreme winter or salt corrosion environments may require lubrication of the collar threads with anti-seize lubricant every 180 days . DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com... -
Page 12: Filter Change Procedure
7 . Prime the unit by filling the clear cover with clean diesel fuel until it reaches the top of the filter . 2 . Remove the collar (using the DAVCO collar wrench or a common tool) then remove the clear cover . -
Page 13: Visual Diagnostics With Clear Cover
. Make Clean or replace and retest . Check air sure the cab heater valve is open . leaks in the fuel system . DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com... -
Page 14: Visual Diagnostics - Air Vs. Vapor Bubbles
ENGINE ENGINE LIFT PUMP LIFT PUMP DIESEL PRO DIESEL PRO VAPOR OR OTHER OR OTHER PRIMARY PRIMARY BUBBLES FILTER BUBBLES FILTER Figure 2 Figure 3 DAVCO Technology, LLC P. O. Box 487 Saline, MI 48176 800-328-2611 www.davco.com F1215 REV E... -
Page 15: Diagnostic Procedures - Air Leaks
TION, THE FOLLOWING PROCEDURES/TESTS MUST at the Diesel Pro outlet fitting, vent cap o-ring, BE COMPLETED BEFORE REQUESTING A DAVCO the lift pump inlet connection, or the fuel hose/ RGA (RETURN GOODS AUTHORIZATION) NUMBER. -
Page 16: Diagnostic Procedures - Heater Testing
0 .4 to 0 .6 @ 77°F (25°C) 24VDC (PTC) 195 W 2 .0 to 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 F1215 REV E... -
Page 17: Check Valve Diagnostics
CHECK VALVE DIAGNOSTICS 1 . Remove the vent cap and open the drain valve . Drain the Diesel Pro 243 completely . 2 . Remove the collar, cover and the filter . 3 . Remove the check-valve assembly . (see Figure 4) 4 . -
Page 18: Service Parts
DIESEL PRO ® TECHNICAL MANUAL T e c h n o l o g y , L L C SERVICE PARTS Contact DAVCO Customer Service for OEM Part Numbers. Service Parts and Kits Description Part Number Collar 240002SDAV Collar Vent Cap Service Kit... -
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 .