Removing
Follow the guidelines for clean working conditions when working on the fuel system. Refer to CLEAN WORKING CONDITIONS AND FUEL SYSTEM WORK INSTRUCTIONS .
Always follow these instructions before and during work.
-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .
-- Before removing, clean the threaded area around the fuel pressure regulator valve with a commercially available detergent. Dirt must not enter the hole in the high pressure reservoir.
Clean carefully, cleaner must not enter the connector.
-- Dry the Fuel Pressure Regulator Valve -N276- .
-- Disconnect the connector on the Fuel Pressure Regulator Valve -N276- .
-- Counterhold at the housing hex bolt and loosen the union nut. Then remove it by hand.
-- Suction any dirt out of the hole in the high pressure reservoir, the threads and the sealing surface. Do not use mechanical tools.
Seal the hole in the high pressure reservoir with a plug to prevent dirt from entering.