Section XXXIV.
LUBE OIL COOLER
3-198. General.
The engine lube (JI1 c{mh’r,
of the cncine. consists of a
localeci on the right side
corrosion resistant
,,
cooling c[)re and tank.
The water pump circulates
coolant t hrtw~h the coolir~ core tubes, and the e~~-
ine oil pr-ussurp pump circulates oil through the
tank and around (he outside of the tubes of the cool-
ing core. thereby controlling oil temperature.
3-199. Inspection and Replacement.
See figure 3-40 ,ind proceed as follows:
~.
hw])f:clif)n. lIISIJW1 (jIl cw}lir for internal
l~~ll~s, ”;’;; (;ii. --li;,,se Ill[JUlltlllg, :ii)cf other damage.
b. Fk!pl;l(’rment
Replace the engine oil cooler
——. — . . .. ——— - .“
as fi)llows:
(1) Renl(w:li.
(~) [t(hfer [ o paragraph 3-41 md cfrwn
cu(dir~ system. Also drain coolant frotn lube oil
cooler by rclll,)vll~ rfr:lll] Illug (1, fig. 3-40) or
]f winter izati~m kit is mstallqci by opening shutoff
cock (45, fig. 4-1) after removing hose (34) from
elbow (46).
(~) Drain secondary fuel fllt er in(o a two
~allon container.
Refer to paragraph 3-197 and re-
move secnndarv fuel filter.
(g) Remove fuel fr It er head with filter
element intact.
(Q) Refer to paragraph 3-203 and remove
turbocharger oil drain tube assembly between
turbocharger ancl cylinder block.
(~) Renlovef]v screws (2 and 5, fig. 3-40)
and lockwashers (3) and (6) and securing lube
oil cooler (7) to cylinder block.
Fifth screw (2) and
lockwasher (3) secures manualc ontrolb racket (4)
to lube oil cooler (7).
Remove Iube oil cooler (7)
by pulling t[]WArdS the rear of engine.
~~) Remove preformed packing (8) from
lube oil cooler (7).
(g) Remove coo!er tube (9) with preformed
packing (10) from the lube oil cooler (7) volute.
(h) Remove winterization kit nipple, shutoff
cock, and elbow from lube oil cooler (7) drain plug
(1) receptacle.
(2) Installation.
NOT E
If winterization kit 1s installed,
install kit, nipple, shutoff cock,
and elbow in lube oil cooler (7,
fig. 3-40) drain plug (1) receptacle.
(~) Assemble new preformed packing ( 1 0,
fig. 3-40) on cooler tube (9) and install one end
of cooler tube (9) into lube oil cooler (7) volute.
Irustall new preformed packing (8) in the back of
the lube oil cooler (7).
Hold packing in place with
a light coating of grease.
(~) Inslall lube oil cooler (7) by positioning
header over lhe rear end of cooler tube (9) and
pushing forward.
(~) Install five screws (2) and (5), five
lockwashers (3) and (6) and manual control bracket
(4). Secure lube oil cooler (7) to cvlinder block
tightening screws (2) and (5) secur”ely.
(d) Install lube oil cooler drain plug (1) or
connect hose (34, fig. 4-1) to elbow (46) and open
shutoff cock (45).
(~) Refer to paragraph 3-203 and install
turbocharger oil drain tube assembly between turbo
charger and cylinder block.
(f) Refer to paragraph 3-197 and install
secondary–filter.
(g) Refer to paragraph 3-41 and fill cooling
system.
(~) Operate engine and check for oil and
water leaks at oil cooler (7, fig. 3-40) connections.
Correct any leaks found. Stop engine. Refer to
paragraph 3-46 and check mcrankcase moil level
in oil pan adding oil as necessary to raise oil level
to the full mark on the oil level gage. Refer to p a r a -
graph 3-41
and check coolant level
in the radiator
adding coolant as necessary.
Section XXXV.
NOZZLE HOLDER ASSEMBLIES AND LINES
3-200. General.
3-201. Inspection, Testing, and Replacement.
There is a nozzle bolder assembly for each cylinder
See figure 3-41 and proceed as follows:
consisting of a fuel injection nozzle holder. The
nozzle holder assemblies are used to position the
a. Inspection.
injection nozzles in the cylinder head. The lines
provide a means of delivering the fuel from the
(1) Check for a sufficient fuel level for
fuel injection pump to the nozzle.
operation.
3-96
