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This instruction show you guide on how to remove cylinder head and valve for New Holland Ford 455 tractor.


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Procedures:
1.Disconnect the battery
2. Remove the vertical mufler.
3. Drain the radiator and cylinder block.
4. Shut off the heater hose taps then disconnect and plug the heater hose openings.
5. Remove the radiator top hose.
6. Shut off the main fuel tank tap.
7. Remove the hood panel assembly.
8. Disconnect the air inlet hose at the intake manifold.
9. Remove the vertical type exhaust pipe and bracket.
10. Bend the lock tabs back and remove the bolts, ex-
haust manifold and gasket.
11. Disconnect the cold start fuel lines at the fuel tank and thermostart unit. See Part 2, Chapter 1.
12. Remove the injection lines from the fuel injection pump and injectors. Cap the exposed openings in the pump, injectors and line ends.
13. Disconnect the fuel lines and remove the fuel filters from the inlet manifold.

14. Remove the bolts and lock washers and remove the inlet manifold and gasket.
15. Remove the rocker cover bolts, rocker arm cover and gasket from the cylinder head.
16. Remove the fuel injector leak-off line. Clean the area surrounding the fuel injectors then remove the retaining nuts and carefully withdraw the fuel injectors and sealing washers from the head, Figure 3.
17. Check the push rods for straightness by rotating the rods with the valves closed and identify any bent rods.
18. Loosen the rocker shaft retaining bolts, which also serve as cylinder head bolts, evenly and alternate-
ly. Remove the rocker shaft assembly.

19.Remove the push rods and place in a numbered rack for ease of assembly in their original position.
20. Remove the remaining cylinder bolts and washers working inward from the ends to the center of the head.
21. Lit the cylinder head from the block. If necessary, lever the head off the block at the pads provided, taking care not to damage the cylinder head or block surfaces.