TM 3-1040-276-10
2-6. OPERATING PROCEDURES (Cont).
d. Adjusting Smoke and Checking Engine.
ADJUSTING SMOKE
a.
Look for white, dense smoke coming from
smoke discharge nozzles (1). If smoke is white
b.
If fog oil is dripping from smoke discharge
nozzles, slowly turn oil metering globe valve
handle (2) clockwise to decrease flow of
fog oil.
c.
If no smoke or low smoke output, turn oil
metering globe valve (2) counterclockwise
to increase flow of fog oil. If still no smoke
or low smoke output, check for stuck rocker
arms in fog oil pump or open drain on fog
oil pump. If still no smoke or low smoke
output, check fog oil supply. Replace
empty drum with full drum. If no smoke or
low smoke output after replacing drum,
d.
If smoke is blue-white, slowly turn oil metering
globe valve (2) clockwise to decrease flow of
fog oil.
e If smoke is yellow, SLOWLY turn oil metering
globe valve handle (2) counterclockwise to
increase flow of fog oil and cool engine head.
f.
If smoke stays yellow, troubleshoot for over-
Change 1
2-16