Cylinder Head Overhaul; Cylinder Head Overhaul; Cylinder Head Removal - Toro Workman 3000 Series Service Manual

Cylinder Head Overhaul

Cylinder Head Removal

1. If the engine will not be removed from the vehicle,
lower the coolant level in the engine. Loosen the hose
clamp and remove the upper radiator hose from the
thermostat housing. Disconnect the coolant bypass
hose from the thermostat housing.
2. Remove plug from left side of cylinder block to drain
the coolant from head and cylinder block.
3. Remove the muffler.
4. Remove the alternator (see Alternator Removal and
Installation in the External Engine Component Repair
section of this chapter).
5. Remove the glow plug lead wires.
6. Remove the fuel injection pipes and return pipe.
7. Remove the rocker cover and gasket.
8. Loosen the rocker stay attaching bolts. Remove the
rocker assembly (Fig. 59).
9. Loosen the cylinder head bolts. Use the sequence
shown in Figure 60. Remove the cylinder head assem­
bly including the intake and exhaust manifolds.
10. Remove the cylinder head gasket. Use a scraper
tool to remove the cylinder head gasket from the cylin­
der head and cylinder block. Make sure all of the gasket
material is removed. Do not damage or scratch the
cylinder head or cylinder block surfaces.
11. Remove the intake and exhaust manifolds from the
cylinder head. Remove thermostat housing and
thermostat.
Workman 3300-D/4300-D Page 4 - 59
Figure 59
Figure 60
Liquid Cooled Diesel Engine