Specifications

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Oil Screen Removal/Installation (104700)
The oil pump screen is located inside the sump.
Remove sump from cylinder to clean or replace
the screen.
1. Remove two screen retaining screws ([A]
Fig. 12). Clean or replace as needed.
Fig. 12
2. Install screen and torque screws to
listed value. See SECTION 14- ENGINE
SPECIFICATIONS.
Oil Screen Removal/Installation (260700,
261700)
The oil pump screen is located inside the sump.
Remove sump from cylinder to clean or replace
the screen.
1. Drive out screen, Fig. 13Do not reuse.
Fig. 13
2. Install oil pump screen with hole (A) facing
away from governor shaft bearing ([B]
Fig. 14).Press screen into position as
shown.
Fig. 14
Oil Pump & Screen Removal/
Installation (28Q700)
Screen Removal/Installation (28Q700)
Three types of oil pump screens were used on
these engines. Oil pump screens ([A] Before date
code 94110700) were mounted inside the sump
and held with one screw ([B] Fig. 15).
Fig. 15
Remove, clean and/or replace as required.
Torque screw to listed value.
The intermediate screen ([C] After date code
94110600) could be removed from the outside of
the sump with the oil pump, Fig. 16.
Fig. 16