Doosan DX60R Shop Manual page 209

Never attempt to modify the engine's design or safety
features such as defeating the engine speed limit control or
the diesel fuel injection quantity control.
Modifications may
performance characteristics and shorten the engine's life.
Any alterations to this engine may void its warranty. Be
sure to use genuine replacement parts.
Identify all parts and their location using an appropriate
method. It is important that all parts are returned to the
same position during the reassembly process.
Each pressure adjusting shim remived or added changes
the pressure threshold by approximately 275 psi (1.9 MPa,
2
19 kgf/cm ). Addingadjusting shims increases the threshold
pressure.
Removing adjusting shims reduces the pressure threshold.
Do not rotate the crankshaft with the injection pump
removed.
Keep the piston pin parts, piston assemblies, and
connecting rod assemblies together to be returned to the
same position during the reassembly process. Label the
parts using an appropriate method.
Do not allow the honing tool to operate in one position for
any length of time. Damage to the cylinder wall will occur.
Keep the tool in constant up-and-down motion.
Engine
CAUTION
impair the engine's
CAUTION
CAUTION
CAUTION
CAUTION
CAUTION
safety and
SP001693
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