Detroit Diesel 4000 Series, Service Manual, Page: 1275 / 2706

SERIES 4000 12/16V SERVICE MANUAL
2. Visually inspect components of oil filter housing for damage, inspecting all sealing,
mating and sliding surfaces for wear, scoring and indentations.
[a] If sealing, mating and sliding surfaces show wear, scoring or indentations, machine
as necessary.
[b] If sealing, mating and sliding surfaces are beyond repair, replace component as
necessary.
[c] If sealing, mating and sliding surfaces do not show wear, scoring or indentations,
continue inspection. See Figure 766.
1. Sealing Surface for Bracket 3. Threaded Bores
2. Seating Surfaces of O-rings 4. Plug, By-Pass Valve
Figure 766 Inspecting Oil Filter Housing Assembly
3. Inspect in particular:
3
Threaded bores (3).
3
Sealing surface.
3
Seating surface of O-rings (2).
3
Sealing surfaces for bracket (1).
4. Inspect components for minor wear, scoring and indentations.
[a] If wear, scoring or indentations are found, replace components as necessary.
[b] If no wear, scoring or indentations are found, continue inspection.
All information subject to change without notice.
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