Figure 3-10. Air cleaner service for engine model
Figure 3-9. Engine clutch adjustment.
(2) Remove filter element and packing from
(3) Remove screw, lockwasher, and lock
spring from the adjusting ring.
(3) Loosen screw and remove inlet screen
(4) Unlock the adjusting ring by turning lockpin
1/4 turn counterclockwise.
(4) Clean all removed parts in an approved
(5) Turn the adjusting ring clockwise to tighten
cleaning solvent and dry thoroughly, then use a damp
clutch, counterclockwise to loosen.
cloth to wipe accumulation of dust from body.
(6) Test clutch by engaging clutch control
lever. When the clutch is properly adjusted, a distinct
pressure is required to engage clutch control lever.
When compressed air is used to
(7) When adjustment is correct, lock adjusting
clean, or dry filter element, do not
ring by turning lock pin 14 turn clockwise.
blow dust from body while it is
(8) Position lock spring in the adjusting ring
and secure with lockwasher and screw.
Accumulations of dust might be
blown into turbocharger and cause
3-10. Engine Oil Filter Service
(5) Insert packing into body, then place filter
element in position with open end toward turbocharger.
(6) Install cover and secure by tightening two
3-11. Engine Air Cleaner Service
(7) Position screen over intake and secure by
service oil bath type engine air cleaners.
b. Dry Type. The rear mounted dry type engine air
cleaner, used on engines model D333TA, contains a
Engine Oil Strainer Service (Model 687C-18-
replaceable filter element which can be removed for
cleaning by compressed air, or by washing. Service as
Fuel Filter Service
remove cover from air cleaner.
a. General. The fuel filters strain all fuel prior
to its entering the injectors, removing water and foreign
matter that would clog the injectors. Engine model
687C-18-ES has both primary and secondary filters.