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Page Title:
Table III. Scheduled maintenance requirements. |
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|  MIL-C-18087A(SH)
3.3.2.2 Interchangeabili ty. In no case shall parts be physically inter-
changeable or reversible unless such parts are also interchangeable or reversible
with regard to function, performance and strength.
3.3.2.3 Scheduled maintenance. Table III provides the minimum requirements
for scheduled (periodic) maintenance. Equipment vendors shall submit other
necessary periodic maintenance requirements for their equipment,
Schedul ed maintenance requirements.
TABLE III.
Clutch type
Maintenance interval
Action
Semi-annual
Inspect
All types
Quarterly
Self-contained lubricant type
Lubricate
3.3 3 Safety.
3.3.3.1 safety objectives. Clutches shall be designed and constructed to
minimize or preclude hazard to equipment or personnel during testing and when
installed and operational on board ship as specified (see 6.2).
3.3.3.2 Equipment and personnel safety. Appropriate safety provisions
shall be included in design, test, and ship installation to satisfy equipment
and personnel safety requirements specified in MIL-STD-882 (see 6.3).
Where clutch operating requirements u ay be hazardous
3.3 3.3 Safety hazard
to equipment or personnel, special instructions and safety requirements shall
be imposed by the contractor to the depth required by means of design, warning
plates, and training requirements.
3.4 Construction, general requirements (see 6.3 and app endix B).
3.4 1 Revolution indicator. For all clutch types, except type I and VI,
class A, a revolution indicator, located as approved by the contracting activity,
shall be provided to indicate the revolutions of the driving or driven
shafts to facilitate engagement of clutches at near synchronous speed.
3.4.2 Controls. Controls provided for the pneumatic or hydraulic systems
of all clutches shall be suitable for remote operation (see 6.2). Location and
safety features of controls shall be as approved by the contracting activity.
Provision shall be made for gauges and temperature detectors, interlock features,
and indicating lights as approved by the contracting activity. Type V and VI
clutches shall have indicating lights that show clutch engaged and clutch
disengaged. Also , additional indicating lights shall be as specified in 6.2.
3 4.3 Attachment of mating parts.
3.4.3.1 Securing to shafts. Parts such as sleeves, hubs, plates and flanges
shall be secured to shafts or distance pieces by fitted bolts or shall be splined,
shrunk, or keyed, as applicable
Where such parts are splined or shrunk, retain-
ing nuts shall be employed unless otherwise specified (see 6.2). Nuts used on
through bolts shall be of the self-locking type (see table II).
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