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TM 43-0156
Step
Function
Mech
Insp
3
(i)
Connect a portable pump to the piston cooling pump
cont
output.
(j)
Pump preservative oil (9150-00-111-0209) through
the system.
(k)
Open access covers to the crankcase to observe
when the preservative oil starts coming from the
piston cooling tubes.
(l)
Turn the engine over two full revolutions while pumping
preservative oil.
(m) Disconnect the portable pump.
(n)
Open the access covers to the crankcase and atomize
spray the underside of the pistons and rods.
(o)
Close and secure the access covers.
(p)
Allow time for the engine to drain (approx 20 min).
Completely drain the crankcase of any oil that may
have accumulated.
(q)
Prepare tag (8135-00-292-2345) indicating "OIL HAS
BEEN DRAINED FROM THE CRANKCASE. DO NOT
START UNTIL OIL HAS BEEN ADDED." Attach tag to
engine control panel.
(5) Cylinders and Air Boxes.
(a)
Remove the air box covers and open all cylinder
test valves.
(b)
Manually crank the engine. When the piston in each
cylinder is below the cylinder liner air intake ports,
spray 4 ounces of preservative oil (9150-00-111-0209)
into the open port. Do not exceed 25 psi.
(c)
Repeat the preservative cycle until all cylinders
have been atomize sprayed with preservative oil.
(d)
Atomize spray the interior of each air box with
preservative oil (9150-00-111-0209).
(e)
Replace covers and close cylinder test valves.
Check seals in covers for proper position.
B-1-24
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