Injector Spring Compressor Installed On Injector To Be
(6) 1U6675 Injector Spring Compressor. (7) Bolt.
Remove the rocker arm assembly for the injector to be
checked. Apply a small amount of clean engine oil to
the top of the injector and install 1U6675 Injector Spring
Compressor (6) to the cylinder head and injector as
shown. Tighten the bolt [part of the tool (6)] which is
threaded into the cylinder head hole for the rocker arm
assembly. This will compress the injector.
Tap lightly with a soft hammer on the spring
compressor directly above the injector to ensure
free movement of the injector rack bar.
The injector spring must be slightly compressed to allow
free movement of the injector rack. Either the rocker arm
assembly or the U6675 Injector Spring Compressor MUST
be installed on all injectors to allow free movement to the
Remove bolt (7) nearest to the injector to be checked.
Injector Synchronization Tooling
(8) 6V6106 Dial Indicator. (9) 1U6679 Indicator Group. (10)
Lever (part of 1U6679 Indicator Group).
Install 6V6106 Dial Indicator (8) in 1U6679 Indicator
Group (9). Do not tighten the indicator yet.