Section XIV. MAINTENANCE OF LUBRICATION SYSTEM
(2) Place container under filter
cover to catch draining oil.
(3) Remove oil pressure tap plug
oil pump assembly, an oil pressure reg-
(1) with packing (2) from filter cover
ulating valve, an oil filter element, an
(5) Discard packing (2).
strainer, a sight level indicator, and
(4) Remove two bolts (3), washers
two magnetic drain plugs. Also associ-
(4), filter cover (5), with packings (6,
ated with the lubrication system are a
8), and oil filter element (7). Discard
low oil pressure switch, and a high oil
packings (6, 8) and oil filter element
b. The rotary oil pump assembly is
located in the oil pump housing on the
(1) Inspect oil filter element (7)
The pump assembly
for metal particles and other foreign
receives oil from the oil sump through a
material which may indicate internal
suction tube connected to a pickup and
If metal particles are
The pump supplies oil under
present, change oil and oil filter
pressure to the oil pressure regulating
element, and then operate engine for a
valve, which regulates the oil pressure
minimum of 15 minutes.
If oil filter
to 35 to 55 psig by bypassing some of
element is free of metal particles or
the oil back to the oil sump.
foreign material, engine is acceptable
for continued service.
c. Oil is routed to an oil distri-
bution manifold through a replaceable
(2) If metal particles or foreign
The oil distribu-
material is present on oil filter ele-
tion manifold is mounted in the com-
ment after 15 minutes of operation,
pressor section and delivers oil to the
internal damage is indicated.
meshing points of the planetary gear
Oil is routed through inter-
nal passages to provide lubrication at
(3) Inspect filter cover packing
grooves for nicks, scratches, or burr-
points, and the starter clutch.
ing. No damage is allowed.
from the lubrication points flows back
into the oil sump to replenish the con-
stantly circulating oil supply.
(1) Install new oil filter element
(7), new packings (6, 8), and filter
OIL FILTER ELEMENT AND SEALS.
cover (5) into oil filter housing.
(2) Attach filter cover (5) with
two washers (4) and bolts (3). Tighten
(1) Cut and remove lockwire from
bolts to a torque value of 50 inch-
oil pressure tap plug (1).