(b) Remove pin (7) and insert hose
2-28. Fire Extinguisher
assembly (5) into connector as far as it will
a. Description. The portable carbon dioxide
go. Replace pin (7) to its full length and check
type fire extinguisher is suitable for electrical
to be sure hose assembly (5) fits tight in con-
and flammable liquid fires.
nector.
b. Operation. Remove fire extinguisher from
(c) Fill the lubricator with grease
its location; break the seal, operate the con-
until the indicator valve (4) indicates when
trol valve, and direct the stream at the base of
the lubricator is full. Do not overfill.
the flame.
(d) Insert other end of hose (5) into
c. Maintenance. For maintenance of the fire
the body of the booster valve and screw the
extinguisher, refer to TM 5-687.
swivel fitting assembly (12) hand tight.
(e) Open the air relief valve on the
2-29. Heat Diverter Controls
booster valve until grease flows in a steady
stream. Close the relief valve. The unit is
now ready for use.
heat diverter levers (22, fig. 2-3) ducts gas
either to a heat reservoir beneath the lubri-
Note. The portable lubricator need not be
cant container or directly to atmosphere.
refilled with air each time grease is completely ex-
pelled. The air charge will last about a year.
b. Operation in Cold Weather.
(1) In cold weather operation, duct ex-
haust gas to the heat reservoir.
(2) Start the engine (para 2-11) and
close all doors on the lubricating unit.
(3) Allow the engine to run for about ten
minutes with the air tank drain valve (44,
fig. 2-3) open.
(4) Close the air tank drain valve (44,
before using the lubricating pump.
a. General. Use the alcohol dispenser (6,
dispenser is used to inject alcohol into the air
line leading to the pump to prevent condensate
freezeup. The alcohol dispenser is equipped
with an. eight-ounce capacity metal bowl and
a needle valve, which controls the flow of al-
cohol.
b. Operation (fig. 2-8).
(1) Shut down the unit (para 2-12).
(2) Remove plug handle anti fill with
alcohol. Reinstall handle.
(3) Start engine (para 2-11).
(4) During operation, inspect sight gage
frequently and refill when necessary.
(5) Open needle valve approximately
turn.
