TM 5-6115-465-34
TO 35C2-3-446-2
NAVFAC P-8-625-34
TM 06858B/06859D-34
3-31.
(6) Install water inlet housing (15) and new
COOLANT THERMOSTAT AND HOUSING.
gasket (16) with screws (19) and lockwasher (14).
Refer to the Operator and Organizational Main-
Installation. Refer to the Operator and Or-
tenance Manual for coolant thermostat and housing
ganizational Maintenance Manual for water pump in-
maintenance procedures.
stallation procedures.
ENGINE LUBRICATION SYSTEM
Section Iv.
3-32. GENERAL.
(2) Flush the interior of the oil cooler assem-
The engine oil pan serves as a reservoir for lu-
bly to remove sludge deposits.
bricating oil. It is equipped with a bayonet type gauge
for checking the all level in the pan. Oil is drawn in-
(3) Visually inspect the oil cooler assembly for
to a gear type, positive displacement pump through a
cracks, bent cooling fins, corrosion, stripped threads
screen which prevents the entry of coarse abrasives.
and other damage.
The oil pump forces the oil through a full flow type
oil filter which removes minute abrasives. From the
(4) Straighten bent cooling fins and remove
oil filter, the oil flows into the header, a drilled
minor corrosion with fine grit abrasive paper.
passage in the cylinder block, from which it is dis-
tributed to the internal engine components. A pres-
(5) Repair minor thread damage with a thread
sure transmitter measures oil pressure in the header
chaser.
and transmits it electrically to the oil pressure
gauge. Header oilpressure is also measured by a
(6) If cracks, heavy corrosion and other dam-
low oil pressure switch which shuts down the engine
age is present, replace the oil cooler assembly.
if oil pressure falls to a dangerously 10w level.
3-33.
LUBRICATION OIL FILTER.
c.
Installation.
Refer to the Operator and Organizational Main-
(1) Install 011 cooler assembly and tighten band
tenance Manual for lubrication oil filter mainten-
clamps.
ance procedures.
(2) Connect hoses to the oil cooler assembly.
3-34.
OIL LEVEL GAUGE.
(3) Refer to the Operator and Organizational
Refer to the Operator and Organizational Main-
Maintenance Manual and service the lube oil filter.
tenance Manual for oil level gauge maintenance pro-
cedures.
3-36.
OIL PAN ASSEMBLY.
a.
Removal.
3-35.
OIL COOLER ASSEMBLY (400 Hz Sets Only)
(1) If generator set has winterization kits in-
a. Removal.
stalled, refer to Operator and organizational Main-
tenance Manual and remove kits.
(1) Refer to the Operator and Organizational
Maintenance Manual and drain the engine lubrication
(2) Remove oil level gauge (1, figure 3-29).
system.
(3) Remove elbow (7) from oil pan.
(2) Remove the plug (1, figure 3-28) from
the oil filter assembly (2) and allow the 011 to drain
(4) Remove screws (2) and lockwashers (3)
into a suitable container.
to lower oil pan (4) and remove gaskets (5), and
seals (6). Discard seals and gaskets. Refer to para-
(3) Disconnect hoses (3) from the oil cooler
graph 3-37 and remove oil pump assembly. Remove
assembly.
oil pan.
(4) Open band clamps (6) and remove oil
b. Cleaning, Inspection, and Repair.
cooler assembly (7).
(1) Clean all parts with dry cleaning solvent
(Federal Specification P-D-680) and a stiff bristle
b. Cleaning, Inspection, and Repair.
brush. Dry thoroughly with filtered, compressed air.
(1) Clean oil cooler assembly in dry cleaning
(2) Scrape gasket remains from oil pan and
solvent (Federal Specification P-D-680) using a stiff
cylinder block mating surfaces.
bristle brush as necessary to remove caked deposits.
3-45
