20798186 Volvo.Penta Cylinder head gasket, cylinder head

Start By:a. remove fuel ratio control Photos taken out of chassis. 1. Install Tool (A) in the fuel injection pump housing. 2. Disconnect throttle linkage (4). Move the throttle control lever until Tool (A) is in place and the racks are in the center (zero) position.3. Remove two nuts, bolts and washers (1).4. Remove bolt (2) and cover (3). 5. Remove five bolts and washers (5) and cover (6). 6. Remove bolt (7) and housing (8). 7. Remove allen bolt (9) and stop collar (10).8. Remove gasket (11).9. Remove mounting bolts (13) and governor housing (12). 10. Disconnect fuel line (14). Remove the bolt and washer holding hose clip (15) to the plate.11. Remove two spring washer, spring, spring bumper and governor spring seat (16).12. Remove stop and flexible drive assembly (17).13. Remove the bolts and governor adapter plate (18). The following steps are for the installation of the governor.
The drive assembly must be removed from the governor plate before the governor plate is installed for correct alignment. The drive assembly can be damaged if it is installed with the governor plate and is not is alignment with the drive pinion assembly.
14. Install a new gasket if worn or damaged on the injection pump housing.15. Make sure Tool (A) holds the racks in the enter (zero) position.16. Install the bolts and governor adapter plate (18). Make sure the dowels in governor plate (18) are in alignment with the holes in the injection pump.17. Install stop and flexible drive assembly (18).18. Install two spring washers, spring, spring bumper and governor spring seat (16).19. Connect fuel line (14). Install the bolt and washer holding hose clip (15) to the plate. 20. Install a new gasket, governor housing (12) and mounting bolts (13).21. Install a new gasket (11) if worn or damaged.22. Install stop collar (10) and allen bolt (9). 23. Install a new a gasket if worn or damaged. Install cover assembly (8) and bolt (7).
There is strainer assembly in the cover assembly. The strainer assembly is installed with the mesh (screen) toward the the governor housing.
24. Install a new gasket if worn or damaged. Install cover (6) and five bolts and washers (5). 25. Install a new gasket if worn or damaged. Install cover (3) and bolt (2). Install two nuts bolts and washers (1).26. Connect throttle linkage (4).27. Check the governor adjustment. See Governor Adjustment in Testing and Adjusting Manual. 28. Remove Tool (A) and install the plug.End By:a. install fuel ratio controlDisassemble Governor
Start By:a. remove governor 1. Loosen the bolt, and remove lever (3) from the shaft.2. Remove strainer (2) and cover (1). 3. Bend the locks back, and remove four bolts (6) and levers (4) and (5) from the shaft. 4. Remove shaft (7) and the washer from cover (1). 5. Remove insulator (8) from the cover.6. Remove two seals (9) and bearings (10) from the cover. 7. Put a mark and high idle screws (11), and make a note of each turn until the idle screws are removed from the governor housing. This is done to get the approximate setting for assembly purposes. Remove the O-ring seals from the idle screws.8. Bend lock (12) down, and remove the two bolts. Remove torque spring group (13). 9. Bend the lock down, and remove bolt (15).10. Remove shaft (14) and control lever (16) from the governor housing.
To prevent possible personal injury, care must be taken when pin (17) is removed. The spring and plunger behind pin (17) are under spring force.
11. Remove pin (17), the spring and the plunger from the control lever.12. Remove band assembly (18) from the lever assembly. 13. Remove two seals (20) and bearing (19) from the governor housing. 14. Remove spring (22) from governor bolt (21).15. Remove seat (23) from riser (24).16. Remove the dowel from riser (24).17. Remove riser (24) and governor bolt (21) as a unit from governor plate (25).18. Remove governor bolt (21) from riser (24). 19. Remove spring (27) and washer (26) from the sleeve.20. Remove sleeve (28) from the servo piston valve. 21. Remove ring (32), large race (31), bearing (29) and small race (30) from sleeve (28). 22. Remove lock (34) from flyweights (33).23. Remove flyweight (33) from the governor plate. 24. Turn the governor plate over, and bend locks (36) down. Remove bolts (37), bracket (35) and the servo piston assembly from the governor plate. 25. Remove dowel (43), lever (44) and the servo piston assembly from bracket (35).26. Remove pin (42) and piston (38) from sleeve (40).27. Remove valve (39) from piston (38).28. Remove O-ring seal (41) from sleeve (40). 29. Hit (tap) lightly on cylinder (45) to remove it from the governor plate. 30. Remove O-ring seals (46) from cylinder (45). 31. Use Tool (A) to remove retaining ring (47) from the gear assembly. 32. Remove ring (51), spring (50), drive assembly (48) and ring (49) from gear assembly (52). 33. Use Tool (B) to remove ring (53) from drive gear assembly (52). Remove drive gear assembly (52) from the governor plate. 34. If dowel replacement is needed remove dowels (55), (56) and (57) from the governor plate.35. Remove bearing (54) from the governor plate.Assemble Governor
1. If a replacement of the dowels in the governor plate is necessary, see the illustration for correct installation dimensions. 2. Install bearing (1) for drive gear (2) in governor plate (3) with Tooling (A) until it is 0.51