MIL-C-0052980C(ME)
3.26.2.1 Size 15 cfm and 25 cfm compressor. The engine shall be
furnished with a 12-volt cranking and battery charging system in
The battery charging alternator shall
accordance with MIL-STD-1410.
have a capacity of not less than 5 ampere for the 15 cfm compressor
A flywheel
and not less than 15 ampere for the 25 cfm compressor.
A dry type air cleaner with a
type alternator is acceptable.
restriction indicator (to warn the operator when the air cleaner
requires servicing) shall be furnished in accordance with
Standard commercial batteries shall be furnished.
MIL-STD-1410.
The battery cables shall be colored black and labeled "-" for
negative and colored red and labeled "+" for positive in accordance
with MIL-STD-1472 (see 3.7.2). A pictorial battery connection
diagram shall be provided that is readable when the batteries are
being serviced.
Fuels and fuel tank .
3.26.3
3.26.3.1 Engine fuels.
The diesel engine provided by the
contractor or furnished by the Government shall operate on fuel
conforming to both W-F-800, grade DF2 and MIL-T-83133, grade JP-8.
The gasoline engine provided by the contractor or furnished by the
Government shall operate on gasoline conforming to ASTM D 4814.
3.26.3.2 Fuel tank.
Except as specified in 3.25.6, a fuel tank
with a capacity for not less than 4 hours of operation at rated load
shall be provided.
Construction and mounting shall be such that
vibration, tightening of the mounting devices, or contact with other
components of the engine or compressor shall not cause leaks to
When a 10-gallon or more capacity fuel tank is furnished,
develop.
a filler neck assembly conforming to MS35644 shall be provided and
shall incorporate a removable strainer, and have a chain secured
When a 10-gallon capacity or
filler cap and a fuel tank cap gasket.
less fuel tank is furnished, the filler opening shall be a minimum
of 1.75 inches and shall incorporate a removable strainer and
The filler cap and chain shall be
chain-secured filler cap.
attached to the fuel tank by means other than welding or brazing.
The filler cap shall be a screw cap that shall prevent fuel from
leaking when the compressor is tilted 15 degrees from the horizontal
in any plane and when the handtruck-mounted compressor is elevated
The tank shall be provided with an air vent and a
for mobility.
drain.
For the diesel-engine-driven compressor, the fuel tank shall
be labeled "DIESEL OR JP-8 FUEL ONLY" and for the
gasoline-engine-driven compressor, the fuel tank shall be labeled
"MOGAS ONLY".
The labeling letter height shall be 2 inches tall and
in accordance with MIL-STD-1472, 5.5.1.1.
A standpipe at least
l/4-inch above the bottom shall be incorporated in the fuel tank
outlet to prevent the entry of dirt and foreign matter into the
system.
The tank and all lines shall be located or positioned to
minimize fire hazard or damage resulting from spilling, overflow, or
drainage.
Provision shall be made for connection to an auxiliary
The fuel tank shall be equipped with a fuel level
fuel supply.
measuring device.
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