Removing and installing O-rings for unit injector |
Special tools and workshop equipment required |
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| Assembly sleeves -T10056- |
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| Lever old O-rings very carefully off unit injector. |
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| Pay particular attention to ensure that no burrs are created on seat of O-rings. |
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| Always use the assembly sleeves to fit the O-rings. There is a danger of damaging the O-rings if the sleeves are not used. |
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| Gradual introduction of O-rings with no coloured markings. Note the correct allocation of O-rings to grooves: the thickness of the rings reduces towards injector nozzle. |
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| Prevent O-rings from rolling when sliding them on. The O-rings must not be twisted in their seats in unit injector. |
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| Pull heat shield seat off together with securing clip. |
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| Clean O-ring seating surfaces on unit injector very carefully. |
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