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Cummins 6.7 Liter 4500 and 5500  
 

1.

 

Remove Plastic Engine Cover 

2.

 

Remove the EGR exhaust pipe temperature sensor. Attach DFS 910-2 to the 
temperature port. 

3.

 

Attach DFS 910-5 to DFS 910-2. Attach Blue and Black hoses to DFS 910-5. 

4.

 

Start vehicle engine. Set air Pressure on Atomizer Tank to 80 psi.  

5.

 

Turn Atomizer valve to ON position on the machine. Open the Air valve on            
the DFS 910-5 

6.

 

After 1 lit/qt disconnect the wire connector on the EGR valve run until Atomizer fluid 
tank is empty. 

7.

 

Turn Atomizer valve of and Fill the Atomizer Tank with 1 lit/qt Rinse Solution and 
repeat the above steps. 

8.

 

Turn Atomizer Valve and Air valve on DFS 910-5 to OFF position. Turn Vehicle off, 
turn fuel pump off on the machine. Disconnect fuel hoses, adapters and reattach the 
EGR exhaust pipe temperature sensor and fuel lines. Reconnect the wire connector to 
EGR valve.  

 
 
 
 
 
 
 
 
 
Mercedes Benz/Jeep 3.0 Liter 
 

1.

 

Remove Plastic Engine Cover 

2.

 

Remove Turbo Boost Pressure sensor on the intake. 

3.

 

 Attach adapter DFS 910-8 to the Pressure sensor opening.  

4.

 

Attach DFS 910-5 to DFS 910-8. Attach Blue and Black hoses to DFS 910-5 

5.

 

Start vehicle engine. Set air Pressure on Atomizer Tank to 80 psi.  

6.

 

Turn Atomizer valve to ON position on the machine, and open air valve on DFS 910-

7.

 

After 2 lit/qt turn Atomizer valve to OFF position on the machine, and turn air valve off 
DFS 910-5. 

8.

 

Turn Atomizer valve of and Fill the Atomizer Tank with 1 lit/qt Rinse Solution and repeat 
the above steps. 

DFS 910-2 

DFS 910-5 

Summary of Contents for DFS 910

Page 1: ...ce service is complete you Must add 2 lit qt of DES 929 EGR RINSE to the machine and process it through the engine on both the intake and exhaust side of the system For heavy build up do two services Fuel Rail Use DES 925 fuel rail cleaner 1 lit qt for and 1 Ton Diesel engines 2 lit qt for larger Diesel engines Caution Do not mix fluids this could result in Engine failure Use only the approved flu...

Page 2: ...500 1 Remove Plastic Engine Cover 2 Remove the exhaust pipe from the EGR Valve 3 Attach adapter DFS 910 17 to the EGR exhaust pipe with clamp 4 Attach the hose end of the DFS910 17 to the EGR and tighten clamp Attach DFS 910 5 to DFS 910 17 make sure air valve is closed 5 Remove EGR electronic solenoid and attach DFS 910 9 to where the solenoid was attached 6 Start vehicle engine Set air Pressure ...

Page 3: ...S 910 5 to OFF position Turn Vehicle off turn fuel pump off on the machine Disconnect fuel hoses adapters and reattach the EGR exhaust pipe temperature sensor and fuel lines Reconnect the wire connector to EGR valve Mercedes Benz Jeep 3 0 Liter 1 Remove Plastic Engine Cover 2 Remove Turbo Boost Pressure sensor on the intake 3 Attach adapter DFS 910 8 to the Pressure sensor opening 4 Attach DFS 910...

Page 4: ... and turn the Atomizer valve to ON position on the machine and run engine until 1 lit qt of Induction cleaner is used up Turn Atomizer valve to OFF position and close the Air valve on the DFS 910 5 6 Disconnect DFS 910 5 from DFS 910 7 and connect to DFS 910 6 Turn valve on DFS 910 5 to ON and the Atomizer valve on the machine to ON Run until EGR cleaner has gone through 7 Turn the Atomizer valve ...

Page 5: ...FS 910 2 to the EGR cooler 2 On the vehicle remove Induction tube then place the DFS 910 3 S Hook nozzle in the induction tube and attach Blue hose to DFS 910 3 S Hook Sprayer 3 Set air Pressure on Atomizer Tank to 80 psi 4 Start Engine 5 On the machine turn Atomizer valve to ON position 6 After 1 lit qt turn Atomizer valve to OFF position on the machine and remove DFS 910 3 S Hook from vehicle in...

Page 6: ...re use your scan tool to open the EGR 5 Making sure that the Atomizer Valve is closed 6 Set the pressure on the induction side of the DFS 910 to 80lbs 7 With the Engine still running open the air valve on the DFS 910 5 and turn the Atomizer valve to the on position When half 1 liter of the cleaner is used turn the Atomizer valve to off and switch the valve on the DFS 910 18to the Exhaust side Usin...

Page 7: ... pour the fluid into the tank with BLUE cap Connect 12 volt power supply to the vehicle s battery The new fluid light will come on NOTE Before connecting power cord to battery make sure the power switch is turned off Turn on the pump switch the pump will start circulating the fuel rail cleaning fuel Check for leaks on vehicle s return and supply connectors Set the pressure between 6 15 psi with th...

Page 8: ... air valve on DFS 910 5 adapter then turn the Atomizer valve to ON position on the machine run until Atomizer fluid tank is empty 5 Turn Atomizer valve of and Fill the Atomizer Tank with 1 lit qt Rinse Solution and repeat the above steps 6 Turn Atomizer Valve to OFF position Turn Vehicle off turn fuel pump off on the machine then disconnect fuel hoses adapters and reattach the EGR temperature sens...

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