DETROIT DIESEL 53
Fuel Injector 2.1.1
Fig. 22. - Setting Calibrator Stroke Counter
rather than straight into the adaptor,
then bring it into a vertical position
and secure it in place.
Fig. 21. - Injector In Calibrator J 22410
through the adaptors.
2. Pull the injector rack out to the no-fuel position.
passages in adaptor J-7041 130 are
3. Start the comparator by turning on the switch.
COMPARATOR J 7041
4. After the comparator has started, push the injector
To check the fuel output, operate the injector in the
rack in to the full-fuel position.
comparator (Fig. 17.) as follows:
1. Place the injector in the comparator and tighten the
hand wheel to clamp the injector and adaptor in
IMPORTANT : Make sure the counter
on the comparator is preset to 1,000
strokes. If, for any reason, this setting
has been altered, raise the cover and
reset the counter to 1,000 strokes by
pulling the selector wheel to be changed
to the right and rotating it to its proper
setting (Fig. 18). Then release the
wheel and close the cover. Refer to the
comparator instruction booklet for
NOTE: When installing a low clamp
body injector in the comparator,
position the injector in the adaptor at
Fig. 23 Removing or Installing Filter Cap
1972 General Motors Corp.
SEC. 2.1.1 Page 11