4.3 Service C.-
4.3.1 Sampling and inspection for service C motors shall be as specified in 4.2.1 and 4.2.2. Tests
shall be as specified in 4.2.3 but limited to only those tests listed in table IX.
Table IX - Service C tests.
5. PREPARATION FOR DELIVERY
5.1 Motors together with their repair parts shall be preserved, packaged, packed, and marked in,
accordance with Specification MIL-P-16298.
6.1 Intended use. - Motors covered are all types of d.c. integral hp. motors, except internal com-
bustion engine starting motors and propulsion motors, and are intended for shinboard use. Service A
motors are intended for applications where they are essential to the Military effectiveness of a ship.
Service C motors are intended for applications where they are not essential to the Military effectiveness
of a ship.
6.2 Ordering data. -
Procurement documents should specify the following:
Title, number, and date of this specification.
Service (see 1.2).
Ambient temperature (see 3.2.1).
Audible noise limits (see 3.2.2).
Rating (volts must always be stated; horsepower or torque requirements, either
or both, shall be specified), (see 3.2.3, 3.2.4 and 3.2.8).
Winding and speeds (see 3.2.5).
Duty (specified time of duty cycle) (see 3.2.6).
Load and period of rest for intermittent duty motors (see 184.108.40.206).
Varying load for varying duty motors (see 220.127.116.11).
Period of load time for short-time duty motors (see 18.104.22.168).
Enclosure (see 3.2.7),
Horsepower (see 3.2.8).
Degree of balance if other than "standard" (see 22.214.171.124),
End bracket design (see 3.2.17).
Type of bearings (see 3.2.19).
Insulation (see 3.2.27).