TM 5-4310-227-15
2-16. Hourmeter
The globe valve (5, fig. 23), located on the
The hourmeter (5, fig. 2-2), models BMW-
end of the air receiver tank (7), controls the
4 5 2 - E N G and BMW-452-ENG-1, mounted
flow of compressed air to any attached pneu-
on the instrument panel, records engine opera-
matic equipment. It is a disk-valve type of con-
ting time in hours.
trol
The fuel shutoff valve (3, fig. 2-4) and
The engine oil temperature gage (6, fig. 2-
(18, fig. 26) is a needle-valve type of con-
trol located in the fuel strainer cover (5, fig.
ENG-1, mounted on the instrument panel, in-
dicates the temperature of the engine lubrica-
from the fuel tank.
ting oil.
7 Air receiver tank
4 Pipe bushing
1 Air hose
8 Coupling nut
5 Globe valve
2 Coupling nut
9 Inflator gage
6 Nipple, pipe
3 Adapter
globe valve, removal points.
