NHTSA ID Number: 10055089
Manufacturer Communication Number: SIB-01-08-14
TSB/Document Date: 2014-04-09
Summary
DETROIT: INFORMATION REGARDING THE THREE AND TWO FILTER SYSTEM WITH THE USE OF ESOC 350 FUEL PRIMING PUMP FOR PRIMING FUEL SYSTEM AFTER REPLACING HIGH PRESSURE FUEL PUMP. *PE
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TSB/Document ID: SIB-01-08-14
Replacement Service Bulletin Number:
MFR Communication Date: 2014-01-08
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: ENGINE AND ENGINE COOLING:ENGINE:DIESEL
MFR Component System:
MFR Component Subsystem:
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01 08-14
1
01 08-14
SB-10055089-7722
SUBJECT
DATE
Priming the Fuel System Using ESOC 350 Fuel Priming Pump Two-Filter and Three-Filter Systems
January 2014
Additions, Revisions, or Updates
Publication Number / Title
Platform
Section Title
Change
DDC-SVC-MAN-0082
EPA10/
GHG14 DD
Platform
Priming the Fuel System
Using ESOC 350 Fuel
Priming Pump - ThreeFilter System
Adding extra steps to purge air from the fuel system.
DDC-SVC-MAN-0082
EPA10/
GHG14 DD
Platform
Priming the Fuel System
Using ESOC 350 Fuel
Priming Pump - TwoFilter System
Adding extra steps to purge air from the fuel system.
DDC-SVC-MAN-0182
EuroIV DD
Platform
All information subject to change without notice.
01 08-14
Copyright © 2014 DETROIT DIESEL CORPORATION
3
2 Priming the Fuel System Using ESOC 350 Fuel Priming Pump - Three-Filter System
2
Priming the Fuel System Using ESOC 350 Fuel Priming Pump - ThreeFilter System
The ESOC® 350 fuel priming pump is used to properly prime the fuel system after a repair or fuel filter replacement on a DD
Platform engine.
When a high pressure fuel pump is replaced on a DD13, DD15, or DD16 engine, the fuel system must be primed for two
minutes at 483 kPa (70 psi) to properly prime the lubrication circuit on the pump. The tool uses shop air pressure 827 kPa
(120 psi) to prime the fuel system at 483 kPa (70 psi). The fuel system will prime quicker after a normal filter change;
however, a full two minute prime cycle will allow for quick, easy start up and less potential damage to the starter.
To use the ESOC® 350 fuel priming unit, follow this procedure:
1.
2.
3.
4.
5.
6.
7.
8.
9.
Connect air supply 827 kPa (min. 120 psi).
Press STOP button once.
Open ball valve.
Fill the unit with approximately two gallons of clean ultra-low sulfur diesel fuel by pouring the fuel into the fill box on
the top of the machine. Ensure that the ball valve is open when pouring the fuel into the fuel fill box.
Close the ball valve when the fuel tank is full.
Connect the priming port adaptor on the end of the hose to the priming adaptor on the engine.
Depress the START button on the machine and watch the gauge. The gauge should rise up to around 621 kPa (90 psi).
If there is a need to stop the machine for any reason (leaks, forgot to connect the hose, etc.), depress the red STOP
button.
The machine will prime at 483 kPa (70 psi) until the unit is almost out of fuel (it is designed to shut off before pumping
air in to the system); allow the machine to turn off on its own. There will be a sound of air pressure relieving when the
prime cycle is complete.
Disconnect the priming hose and start the engine.
NOTICE: Leaving the hose connected with the engine running will cause the holding tank to overfill.
NOTICE: If an alternative priming pump is used, it must be capable of maintaining 483 kPa (70 psi) during the
entire priming event, typically a minimum of two minutes. To maintain 483 kPa (70 psi) during priming normally
requires a pump with a minimum rating of 5 g.p.m. at 70 psi flow rating. Priming with pressures below 483 kPa (70
psi) can result in damage to the high pressure pump.
NOTE: To refill the holding tank without pouring fuel into the filler box, the priming hose may be connected with
the machine off and the engine running. This will use engine fuel pressure to refill the holding tank. Disconnect
the machine when the holding tank fuel level reaches the top of the gauge.
10.
11.
12.
13.
4
Allow engine to reach operating temperature of 60°C (140°F).
Increase engine speed to 1800 rpm for three minutes.
Reduce rpm and check for fuel leaks or service codes. Repair or clear if necessary.
Allow the engine to run until any remaining air in the system is purged.
All information subject to change without notice.
Copyright © 2014 DETROIT DIESEL CORPORATION
01 08-14
01 08-14
3
Priming the Fuel System Using ESOC 350 Fuel Priming Pump - TwoFilter System
The ESOC® 350 fuel priming pump is used to properly prime the fuel system after a repair or fuel filter replacement on a DD
Platform engine.
When a high pressure fuel pump is replaced on a DD13, DD15, or DD16 engine, the fuel system must be primed for two
minutes at 483 kPa (70 psi) to properly prime the lubrication circuit on the pump. The tool uses shop air pressure 827 kPa
(120 psi) to prime the fuel system at 483 kPa (70 psi). The fuel system will prime quicker after a normal filter change;
however, a full two minute prime cycle will allow for quick, easy start up and less potential damage to the starter.
To use the ESOC® 350 fuel priming unit, follow this procedure:
1.
2.
3.
4.
5.
6.
7.
8.
9.
Connect air supply 827 kPa (min. 120 psi).
Press STOP button once.
Open ball valve.
Fill the unit with approximately two gallons of clean ultra-low sulfur diesel fuel by pouring the fuel into the fill box on
the top of the machine. Ensure that the ball valve is open when pouring the fuel into the fuel fill box.
Close the ball valve when the fuel tank is full.
Connect the priming port adaptor on the end of the hose to the priming adaptor on the engine.
Depress the START button on the machine and watch the gauge. The gauge should rise up to around 90 psi. If there is
a need to stop the machine for any reason (leaks, forgot to connect the hose, etc.), depress the red STOP button.
The machine will prime at 483 kPa (70 psi) until the unit is almost out of fuel (it is designed to shut off before pumping
air in to the system); allow the machine to turn off on its own. There will be a sound of air pressure relieving when the
prime cycle is complete.
Disconnect the priming hose and start the engine.
NOTICE: Leaving the hose connected with the engine running will cause the holding tank to overfill.
NOTICE: If an alternative priming pump is used, it must be capable of maintaining 483 kPa (70 psi) during the
entire priming event, typically a minimum of two minutes. To maintain 483 kPa (70 psi) during priming normally
requires a pump with a minimum rating of 5 g.p.m. at 70 psi flow rating. Priming with pressures below 483 kPa (70
psi) can result in damage to the high pressure pump.
NOTE: To refill the holding tank without pouring fuel into the filler box, the priming hose may be connected with
the machine off and the engine running. This will use engine fuel pressure to refill the holding tank. Disconnect
the machine when the holding tank fuel level reaches the top of the gauge.
10.
11.
12.
13.
Allow engine to reach operating temperature of 60°C (140°F).
Increase engine speed to 1800 rpm for three minutes.
Reduce rpm and check for fuel leaks or service codes. Repair or clear if necessary.
Allow the engine to run until any remaining air in the system is purged.
All information subject to change without notice.
01 08-14
Copyright © 2014 DETROIT DIESEL CORPORATION
5
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