TM9-2815-205-34
4-2. PREPARATION OF ENGINE FOR START-UP (Cont)
(7)
(8)
(9)
Install water temperature gage in thermostat housing.
I
WARNING
I
Position exhaust piping to carry toxic carbon
from test area.
Connect tubing to exhaust outlet of turbocharger, or
gases from engine.
monoxide exhaust gases away
exhaust manifolds, to conduct exhaust
Connect throttle control linkage to throttle control levers on governor.
b. Priming Fuel System
(1)
(2)
NOT E
Prime and/or purge engine fuel system after any major repair or overhaul.
Block or disconnect line from fuel pump.
Apply fuel under pressure, 60-80 PSI (413-552 kPa), to inlet on secondary filter with external
fuel source. Allow fuel to flow freely from fuel return line until a steady stream without air
bubbles is observed.
CAUTIO N
Prelubricate any stored or repaired engine prior to start-up, Oil gallery and associated
components will have insufficient oil during the time lag following start-up. Bearing
damage from lack of lubrication could result.
c. Prelubrication of Oil Gallery (With Pressure Lubricator)
(1)
(2)
(3)
(4)
(5)
(6)
Remove plug from engine main oil gallery and connect lubricator hose.
Remove rocker arm covers (Refer to Para 3-20, 3-21, and 3-22).
Using a positive displacement pump set at 25-35 PSI (172-242 kPa), pump in lubricating oil
until oil flows from rocker arms.
Disconnect lubricator hose and install oil gallery plug.
Install rocker arm covers (Refer to Para 3-20, 3-21, and 3-22).
Check and fill crankcase to proper level (Refer to applicable vehicle lubrication order).
d. Prelubrication of Oil Gallery (Without Pressure Lubricator)
(1) Remove rocker arm covers (Refer to Para 3-20,3-21, and 3-22).
(2) Pour lubricating oil on rocker arm assemblies.
4-4