TM 10-4320-315-24
2-47. MAINTENANCE OF OIL COOLER - (Cont)
b.
INSTALL.
(1)
Place gasket (6) in position on engine.
CAUTION
Pushing the ends of the oil cooler pipes all the way into the block may restrict the flow of
lubricating oil and cause damage to engine.
(2)
Install compression rings (7) and connect oil cooler pipe nuts (1) as follows:
(a)
Make a line 0.315-0.394 in. (8-10 mm) from the end of each pipe.
(b)
Slide pipe nut (1) and compression ring (7) onto each pipe.
(c)
While holding the bottom edge of the compression ring (7) on the line, slide pipe nut (1) down to the
compression ring (7). Then mark another line on the pipe flush with the top of the pipe nut (1).
(d)
Insert each pipe (with pipe nut and compression ring in place) into the block and turn the pipe nut (1)
down until it just touches the top of the compression ring (7).
(e)
Raise or lower each pipe until the top mark on the pipe is flush with the top of the pipe nut (1). Then
hold the pipe securely in that position and tighten each pipe nut (1).
(f)
To ensure proper sealing of the compression rings (7), loosen each pipe nut (1) after it has been
tightened. Then tighten pipe nuts (1) down again.
(3)
Install flat washers (4) and bolts (3).
(4)
Install cowling cover on engine.
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