Fuel Injection Pump - Doosan V158TI Operation & Maintenance Manual

6.3.24. Fuel injection pump

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Turn the crankshaft so as to let the cylinder
No. 6 for V158TI, AD158TI, V222TI,
AD222TI engines and the cylinder No. 7 for
V180TI, AD180TI come to the overlap TDC
(Top Dead Center).
●
Rotate the crankshaft to reverse about 30°
(in order to remove a backlash) and then
rotate it to engine rotating direction to set
the fuel injection timing angle.
●
Coat the O-ring with grease and insert it at
the lower part of fuel injection pump.
(Be careful O-ring not to be removed)
●
Prior to install the fuel pump drive gear, fit the rubber gasket first.
●
Tighten temporarily the fuel injection pump drive gear with aligning the pointer on drive gear with injection
pump pointer.
●
Fit the injection pump in the appropriate
position using a special tool.(Special tool
No. : EF120-189)
●
After fixing the jig hole on the limit cap of
the injection pump rotate the jig counter-
clockwise and align the jig pin to the
machined corner of the cylinder block, then
assemble the injection pump.
●
After completing the preparation for injec-
tion pump assembling, install the injection
pump and tighten the bolts in the zigzag
method.
●
After assembling the injection pump,
find out whether the injection pump pointer and drive gear's pointer is aligned, and if aligned, tighten the
fixing bolts that were temporarily tightened. However, if not aligned, loosen the fixing bolts and turn the
fuel pump so as to align the pointers then tighten the fixing bolts.
In case of exchange the injection pump, should fill the engine oil in the governor of the injection
pump before the engine running.
Disassembly and assembly of major components - 106 -
EFM2071I
EB2O3008
EFM2071I