Doosan DX60R Shop Manual page 198

Pinch Hazard!
Carefully rotate the alternator toward the cylinder block
while loosening the V-belt. Failure to comply may result in
minor or moderate injury.
If any oil pump component clearance exceeds its limit, the
oil pump must be replaced as an assembly.
Only use diesel fuels recommended by DOOSAN for the
best engine performance, to prevent engine damage and to
comply with EPA / ARB warranty requirements.
Only use clean diesel fuel.
Never remove the primary strainer (if equipped) from the
fuel tank filler port. If removed, dirt and debris could get
into the fuel system causing it to clog.
Never attempt to adjust the low or high idle speed limit
screw. This may impair the safety and performance of the
machine and shorten its life. If adjustment is ever required,
contact your authorized DOOSAN dealer or distributor.
If any problem is noted during the visual check, the
necessary corrective action should be taken before you
operate the engine.
Engine
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MEMO
Figure 28
FG009155
SP001693