MIL-P-14514G
All shafts or rotating or moving parts of the pumps shall be
3.6 Safety.
guarded when such parts are exposed to contact by personnel or otherwise create
Electrical equipment shall be effectively guarded and grounded to
a hazard.
protect all persons and objects from electrical shock hazard. When applicable,
all hot surfaces of the equipment, including exhaust pipes exposed to contact by
personnel or which create a fire hazard shall be fully guarded or insulated.
Fuel tanks shall be located in a manner which will not allow spills or overflows
to run onto the engine, exhaust, or electrical equipment. Exhaust or discharges
from the equipment shall be directed away from operating personnel.
The pumps shall conform to accepted human
3.7 Human factors engineering.
Special
factors engineering design criteria as described in MIL-STD-1472.
design emphasis shall be given, but not limited to, general requirements (4),
control/display integration (5.1), visual displays (5.2), controls (5.4),
labeling (5.5), anthropometry (5.6), design for maintainability (5.9), and
The pumps shall be
hazards and safety (5.13) of MIL-STD-1472 as applicable.
operable and maintainable by 5th through 95th percentile soldiers appropriately
clothed for the environments of interest.
3.7.1 Noise limits. The noise produced by the pump shall conform with
MIL-STD-1474 requirements, with the exception of MIL-STD-1474 5.2, 5.3, and 5.4,
when tested in accordance with 4.5.2.7. The provision of MIL-STD-1474, 4.3 and
4.4, shall be provided if and only if MIL-STD-1474, 5.1.1.2 procedures have been
pursued and documentated to the satisfaction of the procuring activity and
written permission to exceed the 85 dB(A) limit is obtained from the procuring
Hazard signs shall conform with MIL-STD-1474, 4.3, except the sign
activity.
The sign
shall state "HEARING PROTECTION REQUIRED WITHIN (specify feet) FEET".
shall be readable at the distance indicated on the sign.
3.8
Reliability.
3.8.1 Type 1, electricmotor-driven. The specified mean -time-between-failure
(MTBF) shall be 320 hours when the pump is tested as specified in 4.5.2.8.
3.8.2 Type IX, diesel-engine-driven. The specified MTBF shall be 140 hours
when the pump is tested as specified in 4.5.2.8.
The pumps shall have a maintenance ratio of not more
3.9 Maintenance ratio.
than 0.05 for the type I and 0.10 for the type II. Maintenance ratio is defined
as the ratio of the total active maintenance man-hours required (scheduled and
unscheduled) to the total operating time. Man-hours for repair of replaced
components and scheduled before-and-after operation checks are excluded. A
maintenance schedule shall be prepared prior to the start of any testing.
3.10 Performance. When operating at conditions equivalent to standard sea
level atmospheric conditions of 29.92 inches of mercury and water with a
specific weight of 62.3 pounds per cubic foot at a temperature of 60 °F (20 °C),
using a 10-foot static suction lift and 15 feet of suction line with one
90-degree elbow, the pump shall perform as follows:
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