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Reduce fuel pressure through service valve - AR07.03-P-1460-01TMG

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ENGINE 156 

DANGER Risk of explosion  caused by fuel igniting, risk of poisoning  caused by inhaling and swallowing fuel and risk of injury  to eyes and skin caused by contact with fuel No fire, sparks, open flames or smoking. Only pour fuels into suitable and appropriately marked containers. Wear protective clothing when handling fuel. AS47.00-Z-0001-01A
Fig 1: Identifying Pressure Hose (119 589 04 63 00)
G10240871Courtesy of MERCEDES-BENZ USA
Fig 2: Removing Protective Cap On Fuel Distributor Service Valve
G10240872Courtesy of MERCEDES-BENZ USA
  1. Unscrew protective cap (1) on fuel distributor service valve.
  2. Insert end of SPECIAL TOOL pressure hose (01) into a suitable container.
  3. Screw union nut from angled piece (01a) onto service valve.

    IMPORTANT At this point, the service valve is opened and the fuel pressure in the fuel distributor is reduced.

    IMPORTANT Collect feathering-out fuel in a suitable reservoir (3)

  4. Unscrew the union nut of the angled piece (01a) from the service valve.
  5. Screw protective cap (1) onto service valve for fuel distributor.