Start: a. Remove the fine fuel filter, fuel filter holder, and bracket. For correct procedures, see Disassembly and Assembly, "Fuel Filter Holder - Removal and Installation".
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b. Remove the oil-water separator, fuel pre-filter, and bracket. For correct procedures, see Disassembly and Assembly, "Oil-Water Separator and Fuel Pre-Filter - Removal and Installation".
c. Remove the rocker arm shaft and pushrod. For correct procedures, see Disassembly and Assembly, "Rocker Arm Shaft and Pushrod - Removal".
d. Remove the exhaust manifold. See Disassembly and Assembly, "Exhaust Manifold - Removal and Installation" for the correct procedure.
e. Remove the crankcase breather filter canister and plastic tubing assembly. For correct procedures, see Disassembly and Assembly, "Crankcase Breather - Removal".
f. Remove the fuel injectors. For the correct procedure, see Disassembly and Assembly, "Injector - Removal".
g. Remove the glow plug. See Disassembly and Assembly, "Glow Plug - Removal and Installation" for the correct procedure.
1. Drain the coolant from the cooling system into a suitable container for storage or disposal. For the correct draining procedure,
ee the Operation and Maintenance Manual, "Cooling System Coolant - Replacement".
see the Operation and Maintenance Manual, "Cooling System Coolant - Replacement".
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2. Disconnect the upper radiator hose from the water temperature regulator housing (1) on the cylinder head.
3. Loosen the hose clamps and then disconnect the hose assembly and hose assembly from the connector (11).
4. Remove bolt (3) and then remove bracket (2) from the cylinder head.
5. Remove bolts (4) and (9) from brackets (5) and (10).
6. Disconnect the plastic tube assembly (6) and plastic tube assembly (8) from the fuel injection pump (7)
. 7. Use tool (A) to plug the plastic tube assembly (6) and plastic tube assembly (8).
8. Use tool (A) to cover the connector of the fuel injection pump (7).
9. If necessary, remove the tube assembly from the cylinder head and the boost control of the fuel injection pump. For correct procedures, see Disassembly and Assembly, "Fuel Injection Pump - Removal (with Boost Control)".
10. Remove bolt (12) from the clamp of the tube assembly (13).
11. Remove bolt (14) from the bypass pipe (15).
12. Remove the bypass pipe (15) from the cylinder head. 13. Remove O-rings (16) and (17) from the bypass pipe (15). 14. Loosen bolts (18) in the reverse numerical order of tightening. See Illustration 6.
Note: Following the correct order helps prevent cylinder head deformation.
15. Remove bolts (18) from the cylinder head (19).
16. Attach suitable lifting equipment to the cylinder head (19). Support the weight of the cylinder head. The cylinder head weighs approximately 96 kg (212 lb).
Note: During lifting, a strut must be used to distribute the weight of the cylinder head.
17. Use suitable lifting equipment to lift the cylinder head (19) away from the cylinder block.
Note: Do not use levers to separate the cylinder head from the cylinder block. Take care not to damage the machined surfaces of the cylinder head during disassembly.
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18. Remove the cylinder head gasket (21).
19. Record the position of the locating pin (20) in the cylinder block.
20. If necessary, remove the water temperature regulator from the cylinder head. For correct procedures, see Disassembly and Assembly, "Water Temperature Regulator - Removal and Installation".
