Specifications

SEBU7858-03 147
Maintenance Section
Fuel System Primary Filter (Water Separator) Element - Replace
9. Lubricate the O
-ring with clean diesel fuel or
lubricate the O-ring with clean motor oil. Place the
O-ring in the groove on the water separator bowl.
10. Install water separator bowl (3) onto the new fuel
filter (2) by hand.
11. Apply clean diesel fuel to the seal of the new filter.
12. Install the
new fuel filter hand tight until the seal
of the fuel filter contacts the filter mounting base.
Note the position of the index marks on the filter in
relation to
a fixed point on the filter mounting base.
Note: There are rotation index marks on the filter
that are sp
aced 90 degrees or 1/4 of a turn away
from each other. When you tighten the filter, use the
rotation index marks as a guide.
13. Tighten the filter according to the instructions that
are printed on the filter. Use the index marks as a
guide for
tightening the filter.
Note: You may need to use a Caterpillar strap
wrench, o
r another suitable tool, in order to turn
the filter to the amount that is required for final
installation. Make sure that the installation tool does
not dama
ge the filter.
14. Return the fuel shutoff valve to the OPEN position.
15. Purge the air from the fuel system. See the
Operation and Maintenance Manual, “Fuel System
-Prime
” for further instructions.
Note: The secondary fuel filter should also be
chang
ed at this time. See the Operation and
Maintenance Manual, “Fuel System Secondary Filter
- Replace” for further instructions.
16. Start the engine and check for leaks.
Procedure for the Scraper
g00944394
I
llustration 197
The primary fue
l filter for the scraper is mounted on
the left side of the scraper engine.
1. Park the machi
ne on a level surface.
2. Lower the bowl.
3. Shut off the engine.
4. Move fuel sh
utoff valve (6) to the CLOSED
position.
5. Clean prima
ry fuel filter (7). Clean filter mounting
base (5), which is located above the filter.
6. Turn the fil
ter to the left in order to loosen the filter.
Loosen the filter with a strap type wrench.
7. Remove the
filter. Clean the bottom of the filter
mounting base. Make sure that all of the old filter
seal is removed.
8. Remove water separator bowl (8) from fuel filter
(7). Clean the water separator bowl and clean the
groove fo
r the O-ring.
Note: Check the water separator bowl for damage.
Reuse th
e water separator bowl if no damage is
present.
9. Lubrica
te the O-ring with clean diesel fuel or
lubricate the O-ring with clean motor oil. Place the
O-ring in the groove on the water separator bowl.
10. Install water separator bowl (8) onto the new fuel
filter (7) by hand.
11. Apply clean diesel fuel to the seal of the new filter.
12. Insta
ll the new fuel filter hand tight until the seal
of the fuel filter contacts the filter mounting base.
Note the position of the index marks on the filter in
rela
tion to a fixed point on the filter mounting base.
Note: There are rotation index marks on the filter
that
are spaced 90 degrees or 1/4 of a turn away
from each other. When you tighten the filter, use the
rotation index marks as a guide.
13. Tighten the fi
lter according to the instructions that
are printed on the filter. Use the index marks as a
gui
de for tightening the filter.
Note: You may need to use a Caterpillar strap
wr
ench, or another suitable tool, in order to turn
the filter to the amount that is required for final
installation. Make sure that the installation tool does
no
t damage the filter.
14. Return fuel shutoff valve (6) to the OPEN position.