(2)
(3) Lower settings may be used if recommended by the reducer
manufacturer.
b.
Oil pressure gauge
(1)
(2)
Electric motor-driven prelubrication pump (if used).
(3) Gauges shall be oil or glycerin filled and shall have
snubbers and isolation valves.
c.
Thermometer.
Mercury shall not be used in thermometers.
(1)
Sump
(2)
(3)
Backstop
d.
Oil Level Sight Gauge, with built in reflector
e.
Hydrodynamic Thrust
Bearing, if used
(1)
Alarm at 80 degrees C 180 degrees F.
(2)
(3) Lower settings may be used if recommended by the reducer and
bearing manufacturers.
f.
(1)
Alarm at 80 percent of design flow.
(2)
Shut down prime mover at 60 percent of design flow.
g.
Vibration Switch - Alarm at 13 mm/s 0.5 inch/sec or at baseline
level recommended by the reducer manufacturer
PART 3
EXECUTION
3.1
TESTS, INSPECTIONS, AND VERIFICATIONS
3.1.1
Shop Testing
In addition to or as part of the Contractor's normal shop testingprocedure,
the reducer shall be tested at rated speed, no load to check for potential
problems which shall be eliminated prior to field testing. Gear contact
patterns, sound level, lubrication and cooling, and all other operational
characteristics shall be checked. The sound pressure level of the speed
reducer and prime mover used in the shop test shall not exceed 90 dBA
measured at a distance of 1 m 3 feet from the equipment. Sound shall be
measured in accordance with AGMA 6025. The Contractor shall provide any
preventative measures to control background noise. The Contractor shall
SECTION 15005A
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