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| Insert puller -T10163- in bolt holes on unit injector. |
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| Turn spindle -A- down lightly onto the unit injector. Hand-tighten lock nut -B-. |
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| By tapping gently with screw striker -T10133/3-, lift the unit injector upwards out of its seat in the cylinder head. |
Note Mark cylinder numbers of unit injectors for re-installation. |
Note t
| Renew bolts on unit injectors. |
t
| Before installation oil O-rings and guide in cylinder head. |
t
| New unit injectors are supplied with new O-rings. |
t
| When installing a new unit injector, you must also renew the appropriate adjuster screw in rocker arm. |
t
| When re-installing the old unit injector, you must replace the O-rings → Chapter. |
t
| Whenever an operation requires adjustment of a unit injector, the adjuster screw in the rocker arm and the ball stud of the unit injector must be cleaned and examined for signs of wear. Ball stud and adjuster screw must be renewed if signs of wear are found. |
t
| Grease the contact surfaces between the ball stud and adjuster screw with grease for clutch plate splines -G 000 100- (contact surfaces do not have to be greased when using new ball studs). |
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| Before installing unit injector check that both O-rings are properly seated. |
l
| The O-rings must not be twisted. |
l
| The O-ring marked white is located in the lower groove on the unit injector. |
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| Lubricate seals and body of unit injector. |
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| Check seat of unit injector in cylinder head for dirt and any foreign particles (metal shavings/carbon etc.) and blow out with compressed air if necessary. |
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| Insert unit injector very carefully into cylinder head seat. |
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