d. Fuel Filter Service (Model D333TA).
Be sure that washer between cover
(1) Close valve in fuel line from tank; remove
and body is serviceable and properly
installed, or an air leak will occur that
will starve fuel injection pump.
(2) Clean thoroughly around filter cover
(6) Install plug in center bolt then install drain
Figure 3-13. Fuel filter service on engine model D333TA.
Figure 3-14. Filler cap and filter service, model 855BG2.