SHAFT 9S6977 - Caterpillar

start by:a) remove fuel injection lines1. Turn the crankshaft to top center compression position for No. 1 piston. See LOCATING TOP CENTER COMPRESSION POSITION FOR NO. 1 PISTON in TESTING AND ADJUSTING.2. Drain the fuel filter housing. 3. On marine engines only, drain the jacket water coolant, remove turbocharger heat shield water outlet lines (1), oil lines (2) and water line (3).4. Remove oil line (4). 5. Remove the cover over the variable timing unit. Bend lock (6) away from the bolts in the variable timing unit.6. Remove the bolts, lock and retainer (5). 7. Remove gear (7) from the variable timing unit. 8. Disconnect governor linkage (8) from the governor.9. On industrial engines only, disconnect safety shutoff control cable (9) from the lever. Remove bolt (10) that holds the cable bracket and cable to the governor control channel.10. Remove bolts (12), governor control channel (11) and spacers (13) from the aftercooler housings. 11. Remove bolts (14) that hold the bracket on the governor to the aftercooler housing. 12. Remove air line (15). 13. Remove brace (16).14. Remove two bolts (17) from the bracket on the governor.15. Disconnect oil line (18) from the safety control shutoff.16. Disconnect fuel line (19) from the adapter.17. Disconnect fuel line (19) from the fuel filter housing and remove clip (20). Remove fuel line (19). 18. Remove bolts (21) that hold the oil line in place.19. Remove bracket (22). 20. Remove bolts (23) from the brackets. Make a note of the location of the two ground body bolts (24) when they are removed so they can be installed in their original position.21. Remove seven bolts (24) and two brackets (25). 22. Fasten tooling (A) and a hoist to the fuel injection pump housing.23. Move the fuel injection pump housing and governor assembly forward until the O-ring seals at the rear of the pump are clear of the cylinder block. Remove the fuel injection pump housing and governor as a unit. Weight is approximately 260 lb. (117 kg). Install Fuel Pump Housing And Governor
1. Be sure the timing pin is installed in the camshaft in the fuel injection pump housing. Fasten tooling (A) and a hoist to the fuel injection pump housing and governor.2. Put 1P808 General Purpose Lubricant on the O-ring seal on the fuel injection pump housing. Put the fuel injection pump housing and governor in position on the engine. Move the assembly toward the rear of the engine. Make sure the O-ring seal makes a seal in the cylinder block and is not damaged.3. Remove the hoist and tooling (A). Install the bolts in the holes where tooling (A) was fastened. 4. Put brackets (2) in position on the pump housing as shown. Install the body ground bolts in their original position and tighten to a torque of 85 5 lb.ft. (115 7 N m). Install the remainder of bolts (3) and tighten to a torque of 75 10 lb.ft. (100 14 N m).5. Put bracket (1)