TM 5-3820-239-15
drill guide so that the air feed motor is upside
the prescribed lubricating oil to replenish the
down, and remove the worm housing plug and
supply.
the two pipe plugs from the housing, and al-
b. Remove the grease plug from the side of
low all of the oil to drain off. Install the plugs,
the air feed motor cylinder case and add 2 to 3
position the drill guide in an upright position,
ounces of the prescribed grease.
and refill through the worm housing plug port
c. When necessary to drain the oil from the
(a above).
air feed motor worm housing, position the
3-8
