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Cleaning Injector Ducts




Cleaning Injector Ducts

M67/M57/M47TU:
Remove injectors.
M47 only:
Remove injection nozzles.


NOTE: Pictures show the M67 engine.







Seal bore in injector duct with special tool 13 5 215 in conjunction with special tool 13 5 214.


CAUTION: Sealing ring of injector must not remain in injector duct.







Detach special tool 13 5,214 from special tool 13 5 215.
Remove assembly rod from injector duct.







Push brush holder with brush head of special tool 13 5 210 into guide sleeve.







Insert special tool 13 5 310 into injector shaft as far as it will go.







Fit socket wrench on special tool 13 5 210 and turn with slight pressure.







Clean side surface of injector duct by sliding special tool 13 5 210 in and out.


WARNING: Wear protective goggles without fail as there is a risk of eye injury!


Blow out injector duct with compressed air; in so doing, cover opening with a cloth to catch particles.
Check whether sealing surface is clean; repeat cleaning if necessary.
After cleaning, remove special tool 13 5 215 with special tool 13 5 214 from injector duct.