2-2. OPERATOR'S CONTROLS AND INDICATORS - Continued.
CONTROL OR INDICATOR
Air Shut-Off Valve
Allows the operator to shut-off the air from
the tank to the flexible hose.
Safety Relief Valve
Allows air to escape when pressure exceeds 200
psi (14.1 kgs/cm3).
Air Pressure Gage
Provides an indication of air pressure in the
tank. The gage reads 0 to 300 psig.
Provides a means of draining off any moisture
that may have condensed in the tank.
Provides a means of manually starting the
Provides start and stop position for engine
Oil Sight Gage
Indicates the level of fuel in the fuel tank.
Fuel Shutoff Valve
Turns off fuel flow or changes fuel flow from
on board fuel tank or auxiliary fuel tank.
Manual Unloader Valve
allow easier engine start up.
Reduces the amount of air allowed to enter
engine carburetor to make the fuel mixture
richer to start engine.