TM5-6115-593-34
NAVFAC P-8-631-34
TO-35C2-3-463-2
NOTE
To prevent hardening and drying of
foreign
substances,
clean
cooler
assembly immediately after removing
end
cover
plates.
Use
approved
cleaning solvent that will not harm
non-ferrous metal. Finish cleaning by
blowing
through
core
with
compressed air.
(2) Repair damaged tubes, by inserting a smaller
OD tube inside damaged tube. Cut and flare
ends, then solder securely. Do not restrict more
than 5 percent of total number of tubes in this
manner. If more than 5 percent of tubes are
defective, discard cooler.
(3) To assemble the lubricating oil cooler, install
new gasket (38), cover (36), new washers (27),
new gasket (38), new gasket (29), connection
(28), and new screws (25), (26) and (33).
c.
Bypass Oil Filters. The bypass oil filters are located
on a bracket mounted over the starter motor
assembly on the right side of the engine. Service
the bypass oil filters by replacement as follows:
(1) Clean filter case. Handle or store in a manner
to prevent out-of-round.
(2) Insert new element in filter case, seating it
securely on bottom.
(3) Fill element with proper lubricating oil. Refer to
table 3-1 of the Operator/ Crew and Organizational
Maintenance manual.
(4) Install new top gasket, position filter case, and
tighten clamps securely.
(5) Run engine, check for leaks, recheck engine oil
level; add oil as necessary to bring oil level to FULL
mark on oil level gauge (dipstick).
NOTE
Always allow oil to drain back to oil
pan before checking level. This may
require several minutes.
13-12. BYPASS VALVE. To inspect, test, replace, and
repair the lubricating oil filter bypass (relief) valve, refer
to figure 13-14, and proceed as follows:
a.
Removal.
(1) Drain the engine oil and remove the oil filters
(13) in accordance with the Operator/Crew and
Organizational Maintenance manual.
(2) Remove oil transfer tube (3) and discard O-ring
(4).
(3) Remove capscrews (1) and washers (2).
(4) Remove capscrews (5), capscrews (6), and
washers (7); discard gasket (11).
LEGEND FOR FIGURE 13-14
1.
Screw
12.
Lubricating oil
22.
Lockwasher
32.
Lubricating oil
2.
Washer
filter assy
23.
Head
cooler assy
3.
Tube
13.
Filter
24.
Gasket
33.
Screw
4.
O-ring
14.
Adapter
25.
Screw
34.
Screw
5.
Screw
15.
Lockplate
26.
Screw
35.
Lockwasher
6.
Screw
16.
Plug
27.
Lockwasher
36.
Cover
7.
Lockwasher
17.
Plug
28.
Connection
37.
Cover
8.
Tube
18.
Retainer
29.
Gasket
38.
Gasket
9.
O-ring
19.
Spring
30.
Tube
39.
Cooler
10.
Connection
20.
Disc.
31.
O-ring
40.
Screw
11.
Gasket
21.
Screw
41.
Bracket
13-27
