20794124 Volvo.Penta Rocker arm

1. Disconnect pressure tube (4) from the fuel ratio control (5).2. Disconnect the fuel drain tube (7) from the bottom of the fuel injection pump housing (9).3. Disconnect six fuel injection lines (1) from the fuel injection pumps. Put caps on all the fuel injection pumps. Put plugs in all the fuel injection lines.4. Disconnect control linkage (3) from the control lever for the governor.5. Remove bolts (2) that hold fuel supply tube to the pump housing.6. Fasten a hoist to the pump housing and governor (6). Remove the bolts that hold the pump housing to the housing for accessory drive. Remove the bolts that hold bracket (8) to the cylinder block. Remove the fuel injection pump housing and governor as a unit. Weight is 50 lb. (23 kg).Install Fuel Injection Pump Housing And Governor As A Unit
1. Put the fuel injection pump housing (2) and governor (1) as a unit in position on the housing for accessory drive. Make sure the end of the shaft for accessory drive engages in the groove (slot) in the camshaft for fuel injection. Install the bolts that hold the pump housing to the housing for accessory drive. Install the bolts that hold the bracket to the cylinder block.2. Connect the six lines for fuel injection to their respective fuel injection pumps.3. Connect the control linkage to the control lever for the governor.4. Connect the fuel drain line to the bottom of the pump housing.5. Connect the pressure tube to the fuel ratio control.Separation Of Governor From Fuel Injection Pump Housing
start by:a) remove fuel injection pump housing and governorb) remove fuel ratio control 1. Remove the bolt and cover from the screws (1) for low and high idle adjustment.2. Remove five bolts (2) and cover (3). 3. Loosen screw (6) that holds rack stop collar (4) to the bolt in the cylinder and weight assemblies.4. Remove the rack stop collar, collar (7), and spring (5). 5. Remove the bolts that hold the governor (8) to the fuel injection pump housing (11). Remove the governor.6. Remove the seat assembly (12) and spring (13).7. Remove bolts (10) and a lock. Pull the cylinder and weight assemblies (9) clear of its dowels. Move the cylinder and weight assemblies to the side until the groove in the piston is free from the rack.Connection Of Governor To Fuel Injection Pump Housing
1. Install the cylinder and weight assemblies (1) over the dowels (2) on the fuel injection pump housing (4). Make sure the groove in the piston engages with the rack (3). 2. Install bolts (6) and a lock.3. Install the spring (8) and seat assembly (7) over the cylinder and weight assemblies.4. Put the governor (5) in position on the pump housing. Install the bolts that hold it. 5. Install the spring (10), collar (12), and rack stop collar (9) on the bolt for the cylinder and weight assemblies. Tighten the screw (11) that holds the rack stop collar on the bolt. 6. Install cover (16) and bolts (15) that hold it. Install cover (13) over the screws for low and high idle adjustment. Install the bolt (14) that holds it.7. After the fuel injection pump housing and governor as a unit and fuel ratio control are installed, make adjustments to the rack and governor. See FUEL RACK SETTING and GOVERNOR ADJUSTMENTS in TESTING AND ADJUSTING.end by:a) install fuel ratio controlb) install fuel injection pump housing and governor