58
DE584
10. Remove the six cap screws securing the cylinder
head to the engine block and remove the cylinder
head assembly. Account for six flat washers, a cylin-
der head gasket, and two alignment pins.
DE575A
DE577A
Disassembling
1. Remove the camshaft (see CAMSHAFT/ROCKER
ARMS in this sub-section).
2. Remove the governor linkage (see SPEED GOVER-
NOR in this sub-section).
3. Using a suitable valve spring compressor, remove
the valves marking their position for assembly.
NOTE: It is recommended to keep all individual
components in a set, such as valve, valve spring,
valve keepers, spring holders, and retainers to aid
during assembling.
DE300
DE315
4. Remove the glow plugs.
5. Secure the cylinder head using suitable blocks to pre-
vent damage to the pre-combustion chambers; then
using the Pre-Combustion Chamber Ring Nut Tool,
remove the pre-combustion chamber ring nuts.
DE310A
AT THIS POINT
If the cylinder head is being removed to allow removal
of engine block components, no further disassembling
is required. Proceed to Cleaning and Inspecting in this
sub-section. If the cylinder head is to be serviced or
replaced, proceed to Disassembling in this sub-section.
AT THIS POINT
The pre-combustion chambers do not have to be
removed for general service such as valve replacement,
valve seat replacement, or normal cylinder head ser-
vice. If the pre-combustion chambers must be removed,
always replace them with new chambers.
