Doosan DX60R Shop Manual page 363

NOTE:
Some model engines may require the intake
manifold and fuel injection pump insulator (2,
Figure 259) be removed to access the inner fuel
injection pump (1, Figure 259) retaining nuts.
23. If required, remove the intake manifold and fuel pump
insulator to access the fuel injection pump mounting nuts.
NOTE:
The MP4 fuel injection pumps (TNV94 -Z model
engines) are fastened to the gear case with four
(4) studs and nuts.
24. Remove the fuel injection pump (1, Figure 260). For
purposes of future injection timing purposes, record the
fuel injection pump timing index number located on the
boss on the engine side (back) of the of the fuel injection
pump (1, Figure 260).
Do not rotate the crankshaft with the injection pump
removed.
25. If the fuel injection pump requires servicing, it must be
sent to an authorized DOOSAN after sales service for
repair and calibration, or replaced with a new fuel injection
pump.
Never remove or attempt to remove the tamper-proof
devices from the full-load fuel adjusting screw or the
high-speed throttle limit screw on the fuel injection
pump and governor assembly. These adjustments
have been made at the factory to meet all applicable
emissions regulations and then sealed.
Never attempt to make any adjustments to these
sealed adjustment
required, they can be made only by a qualified fuel
injection shop that will ensure the injection pump
continues to meet all applicable emissions regulations
and then replace the tamper-proof seals.
Engine
CAUTION
CAUTION
screws. If adjustments
Figure 259
Figure 260
are
SP001693
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