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TABLE OF CONTENTS

Applications, Models, and Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
How it Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
“SEEING IS BELIEVING”

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2019 ©DAVCO Technology, LLC . Last updated 12‑12‑2019

FOR UPDATED INFORMATION VISIT WWW.DAVCO.COM

F1215 REV H

DIESEL PRO

243 TECHNICAL MANUAL

Содержание DIESEL PRO 243

Страница 1: ... 24VDC Pre heater Installation 8 Visual Diagnostics Air vs Vapor Bubbles 9 Diagnostic Procedures for Air Leaks 10 Visual Diagnostics with Clear Cover 11 Diagnostic Procedures For Pre heater Overnight Heaters 12 Filter Change Procedure 13 Preventative Maintenance 14 Check Valve Service 15 Service Part Numbers 18 Warranty Policy 19 Parts Return Policy 20 2019 DAVCO Technology LLC Last updated 12 12 ...

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Страница 3: ...es Models and Options Base Model Unheated 12VDC 24VDC Pre heater or 120VAC Overnight heater Water In Fuel WIF Sensor Fuel System Diagram HOW IT WORKS APPLICATIONS MODELS AND OPTIONS Fuel from the tank enters the Diesel Pro body suction side of the fuel system Large contaminants and free water are separated from the fuel and remain in the body Fuel rises into the clear cover Contaminants and emulsi...

Страница 4: ...ining lowest restriction The filter element is now completely covered by fuel At this point all of the media s surface area is utilized Restriction is increasing and the filter element should be changed at the next scheduled maintenance interval SEEING IS BELIEVING See when NOT to change the fuel filter See the condition of the fuel Seeing what collects on the filter media or what s happening insi...

Страница 5: ...eater 12VDC 195W or 12VDC 155W Overnight heater 120VAC 75W PORT INTERFACE Fuel In Connection 18 NPTF or 14 NPTF Fuel Out Connection 18 NPTF or 14 NPTF FILTRATION PERFORMANCE AT 60 GPH Micron Coarse Water Removal Emulsified Water Removal Dirt Holding Capacity grams 7 99 6 98 9 118 0 0 0 5 1 0 1 5 2 0 2 5 0 25 50 75 125 150 175 200 225 100 Restriction vs Flow Flow gph Differential Pressure in Hg DIE...

Страница 6: ...s which could result in spillage of fuel from the fuel system Fire Prevention Heated fuel can form combustible vapor mixtures in the area around the fuel source To eliminate the potential for fire keep open flames sparks or other potential ignition sources away from the work area Do not smoke during filter replacement or service operations Inhalation Precaution Always perform engine or vehicle fue...

Страница 7: ...filter element assem bly sedimenter and or water separator Dispose of it in an environmentally responsible manner 3 Mount the Diesel Pro in the desired location using Grade 8 bolts Painting Precautions The collar cover joint and threads are designed to be free of paint in order to function properly The cover and collar assembly must be completely masked off if the Diesel Pro is to be painted Fuel ...

Страница 8: ...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 loo...

Страница 9: ...n 2 Remove the plug from either heater port Use the port that provides the easiest access see Figures 1 and 2 RIGHT SIDE LEFT SIDE HEATER PORTS Figure 1 www Figure 2 3 Install the bushing into the heater port Torque to 15 30 ft lb see Figure 3 The bushing utilizes an o ring seal and does not require sealant www Figure 3 4 Apply liquid or paste type thread sealant to the threads of the pre heater a...

Страница 10: ...to the pre heater threads and install the heater Torque to 25 40 ft lbs 4 Prime the Diesel Pro see page 6 and check for leaks 5 Connect the chassis harness to the pre heater harness 6 Connect the power lead to the fused accessory side of the ignition switch The fuse rating depends on the pre heater installed Approved fuse ratings The voltage and wattage ratings are stamped on the hex of the pre he...

Страница 11: ...atural splashing that occurs in the fuel tank during normal vehicle or equipment operation Vapor bubbles develop in the Diesel Pro because the pressure inside the Diesel Pro is lower than the atmospheric pressure in the fuel tank Vapor bubbles can vary from champagne size up to in diameter They may increase in size or volume as engine RPM increas es The lower pressure draws the entrained air vapor...

Страница 12: ...ench if necessary to tighten the collar three additional ribs b If the drain valve is suspected install a plug in place of the drain valve for test purposes only 4 If air bubbles persist test as follows a Remove the Diesel Pro from the chassis Plug the fuel outlet port Do not remove filter cover collar vent cap drain valve and or check valve If the Diesel Pro is equipped with a pre heater do not r...

Страница 13: ...r Bubbles are seen flowing in with the fuel Î ÎCheck all fittings and lines from the fuel tank to the Diesel Pro Check the cover and vent cap o rings Fuel drains back to the fuel tank when changing the fuel filter or draining separator Î ÎRemove the check valve assembly Clean or replace and retest Check air leaks in the fuel system There is a power complaint and the fuel level is below the collar ...

Страница 14: ...C 24VDC PTC Pre heater Test Procedure There are various configurations of pre heaters available including both 12VDC and 24VDC pre heaters The voltage and wattage ratings are stamped on the hex of the pre heater for identification purposes 1 Disconnect the harness from the pre heater 2 Connect the ohm meter leads to the pins of the pre heat er Use the following to determine whether the pre heater ...

Страница 15: ...he fuel below the collar level Close the drain valve 2 Remove the collar using the DAVCO collar wrench P N 242007DAV Remove the clear cover 3 Remove the filter and seals Dispose of the filter and the seals properly 4 Using a clean shop rag clean the cover collar vent cap and threads on the Diesel Pro body Do not use harsh chemicals to clean the clear cover 5 Install the new filter and seals 6 Inst...

Страница 16: ...cant every 180 days Weekly water drains 1 Turn off the engine and remove the vent cap 2 Place a suitable container under the Diesel Pro and open the drain valve 3 Collected water will flow into the container When fuel begins to flow out the drain close the drain valve Drain the least amount of fuel as possible 4 Install the vent cap and tighten it by hand until it clicks 5 Start the engine and rai...

Страница 17: ...e installation 2 Remove the collar cover and filter 3 Remove the check valve assembly 4 Clean and inspect the check valve If the check valve appears damaged order P N 240033DAV 5 Install the check valve into the Diesel Pro Torque to 5 7 ft lb Apply liquid or paste type thread sealant to the fuel inlet fitting and reconnect the fuel inlet hose 6 Install the filter and seals 7 Install the clear cove...

Страница 18: ...tion of 120VAC Overnight heater if was not previously installed 14 to 14 NPTF K 102820SDAV Bushing for Overnight Heater required for installation of 120VAC Overnight heater if was not previously installed 14 to 18 NPTF L 232007DAV Collar Wrench M 103604DAV Combination Drain Kit Includes drain dust cap and plug for use on units with cover with red stripe Part number for unit contains an E Replaces ...

Страница 19: ...AV 24VDC 195W PTC Pre heater Male Weather Pack Connector 14 UNF Threads Harness Length 7 50 103552DAV 12VDC 195W PTC Pre heater Metri Pack Connector 14 UNF Threads Harness Length 7 50 103593DAV 12VDC 155W PTC Pre heater Metri Pack Connector 14 UNF Threads Harness Length 17 Freightliner 103595DAV 12VDC 155W PTC Pre heater Metri Pack Connector 14 UNF Threads Harness Length 7 50 Freightliner 103596DA...

Страница 20: ...SOR PARTS 102512DAV Two Pin WIF Deutsch Connector gray 20 UNF Threads Harness Length 3 36 102521DAV Two Pin WIF Deutsch Connector black 20 UNF Threads Harness Length 3 36 102483DAV Two Pin WIF Metri Pack Connector 20 UNF Threads Harness Length 6 102770DAV Two Pin WIF Metri Pack Connector 20 UNF Threads Harness Length 6 50 Freightliner 103111DAV Two Pin WIF Tyco AMP Connector 20 UNF Threads Harness...

Страница 21: ...wntime loss of use loss of profits or income loss of capital cost of substitute equipment living expenses claims by purchaser s customers or other third parties or other incidental special or consequential damages Attachments accessory items and parts not manufactured or distributed by DAVCO Any aftermarket or OEM component not approved specifically to work with a DAVCO manufactured product Produc...

Страница 22: ...rges for both ways will be issued for returns in which DAVCO inadvertently shipped incorrect quantity or product Overstock Returns for ordering more product s than required or incorrect part s will be accepted within 60 days from the date of purchase Proof of purchase will be required i e original invoice delivery receipt These types of return s are subject to a minimum restock fee of 40 or 40 00 ...

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