GUIDE A 8T3167 - Caterpillar

start by:a) remove fuel filters and baseb) remove oil filters and basec) remove exhaust manifoldsd) remove fuel injection lines1. Drain coolant from the radiator. 2. Remove bolts (4) and (3), then remove heat shield (2) and oil filter base bracket (1). 3. Remove aftercooler to engine oil cooler water line (5).4. Remove valve covers (6). 5. Remove fuel lines (7) with tool (A). Put caps or plugs on all fuel openings. 6. Disconnect glow plug wires (9) from the valve cover bases. Remove valve cover bases (8) and seal. 7. Loosen bolt (13) in automatic timing advance unit enough so it is free of bracket (12). Remove two bolts (11) and bracket (12).8. Remove one bolt (10) from fuel injection pump housing. Remove two bolts (14) and bracket (15). 9. Remove push rods (18) from the cylinder head with tool (B).10. Remove six bolts (16) and rocker arm shaft assemblies (17).11. Remove valve bridges (19) from the bridge dowels. 12. Fasten straps and a hoist to the air cleaner. Remove bolts (21) that hold air cleaner to the bracket. Remove air cleaner (20). Weight of the air cleaner is 100 lb. (45 kg).13. Remove bolt (22), then remove fuel filter bracket (23). 14. Loosen clamps (26) and slide hose (24) up on tube. Remove bolt (25) that holds fuel lines to bonnet.15. Remove four bolts (28), then remove elbow (27) and gasket. 16. Remove three bolts (30), then remove water temperature regulator (29) and housing. 17. Remove two bolts (32), then remove two plates (31). Remove seal. 18. Disconnect glow plug wires (34) from the glow plugs. Remove bolts (33), then remove glow plug wiring harness (35). Remove cylinder head bolts (36) and remainder of twelve bolts on back side of the cylinder head. 19. Fasten tooling (C) and a hoist to the cylinder head. Remove cylinder head (37) and gasket. Weight of the cylinder head is 300 lb. (135 kg).Install Cylinder Heads
1. Thoroughly clean the spacer plate and bottom surface of the cylinder head. Install a new cylinder head gasket (1). Do not use any adhesives. 2. Fasten tooling (A) and a hoist to the cylinder head (2). Put the cylinder head in position over the spacer plate and make an alignment of the holes in cylinder head with the dowel pins. Lower the cylinder head on to the spacer. Be careful not to cause damage to water seals and cylinder head gasket.3. Put engine oil on all bolt threads and tighten the bolts in the following sequence. a) Tighten bolts from A to T in letter sequence to 200 20 lb.ft. (270 25 N m).b) Tighten bolts from A to T in letter sequence to 330 15 lb.ft. (450 20 N m).c) Tighten bolts from A to T in letter sequence again to 330 15 lb.ft. (450 20 N m). 4. Install glow plug wiring harness (3), then connect wires (4) to the glow plugs. 5. Install valve bridges (5)