HOOD GP-ENGINE 2535384 - Caterpillar

1. Disconnect air line (1) from the fuel ratio control.2. Remove the lockwire and seal from the bolts.3. Remove two bolts (2). Pull up and toward the front of the engine to remove the valve assembly of the fuel ratio control from the groove (slot) in the collar for the governor. Remove the fuel ratio control.
TYPICAL EXAMPLE4. Remove the gasket from the adapter. Remove adapter (3) and the gasket from the governor plate.5. If necessary remove strainer assembly (4) from the governor plate opening (port) and clean out all foreign material in the opening (port).Install Fuel Ratio Control
1. Clean the strainer assembly and install it in the governor plate opening (port). 2. Put the gasket and adapter (2) on the governor plate.3. Install the gasket on the adapter. 4. Install the fuel ratio control. Make sure valve assembly (1) of the fuel ratio control engages in the groove (slot) in collar (3) for the governor.5. Install the bolts that hold the fuel ratio control to the governor plate.6. Connect the air line to the air fuel ratio control.7. See FUEL RACK SETTING in TESTING AND ADJUSTING SECTION. Install a new lockwire and seal through the bolts for the governor and fuel ratio control.Disassemble Fuel Ratio Control
start by:a) remove fuel ratio control 1. Remove two bolts (1) and cover (2). 2. Remove valve assembly (3).3. Remove seal (4) and the O-ring seal from the valve assembly.4. Remove retainer (5) and two springs (6). 5. Remove the three bolts from the cover. Remove cover (12) and gasket (11).6. Remove valve (13), diaphragm, (8), retainer (9) and spring (10).7. Remove pin (14) from valve (13).8. Remove cover (7) from the valve.Assemble Fuel Ratio Control
1. Put clean SAE 30 oil on the seal. Install seal (1) in cover (2) with the lip of the seal toward the inside of the cover. 2. Install valve (3) in cover (2).3. Install the pin that holds the cover on the valve.4. Install the spring and the retainer in cover (6). 5. Install diaphragm (5) on the valve assembly (4) and in the cover.6. Install cover (8). Install three bolts (7) that hold the cover in position. 7. Put clean SAE 30 oil on the seal and the ring seal. Install seals (11) on valve.8. Install two springs (12), retainer (13) and valve assembly (10).9. Install housing (9) and the bolts.
Correct adjustment must be made to fuel ratio control before installation. See ADJUSTMENT OF AIR FUEL RATIO CONTROL in TESTING AND ADJUSTING.
end by:a) install fuel ratio control