Cylinders and Air Boxes. - TM-43-01560055

TM 43-0156

Step

Function

Mech

Insp

(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