MD Helicopters CSP-900RMM-2, Техническое обслуживание и ремонт

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CSP − 900RMM − 2 MD Helicopters, Inc.
Rotorcraft Maintenance Manual
Page 3/(4 blank)
Revision 17
25-60-10
may be operated with loads up to 600 lbs at
speeds up to 100 feet per minute.
With load selection switch actuated to select
hoist operation in the 250 lb capacity, opera­
tion at the hoist control with loads applied to
hoist cable exceeding 250 lbs will cause the
motor warning light to flash and in this mode
(250 lb selection), the hoist control circuitry
will automatically shift and latch the hoist
system to operate in the 600 lb mode. The
hoist system will stay ”latched” in the 600 lb
mode and the motor warning light will
continue to flash until the system is reset by
switching the load select switch to the 600 lb
mode. Hoist operation can continue in the 600
lb mode and the high speed mode should not
be selected until the present load is removed
from the cable.
An over temperature sensing switch is
embedded in the winding of the electric motor
at a temperature critical location. Prolonged
operation of the hoist system under high
temperature ambients exceeding design limits
will result in triggering the over motor
warning light. Critical over temperature
conditions within the motor winding results in
actuation of the sensor which controls the
motor warning light. The motor warning light
remains illuminated until the motor cools or
main power to the controller is switched off.
Hoisting operation must be completed at the
earliest moment after motor warning light is
illuminated, prolonged operation of equipment
will result in motor damage.