Troubles In Gearboxes; In-Flight Troubles In Engine Automatic Control System - Kazan Helicopters Mi-17-1V Flight Manual

MI1·17·1B. Flight manual
KOHTPOJlb MT4VlKOB) selector switch to FIRE DET TEST
(KOHTPOJlb MT4VlKOB) and thereafter reset it to FIRE EXTING
(OrHETYWEHVlE). This done, the Captain, or, upon his order, the
Flight Engineer, should discharge manually the alternate discharge
fire extinguisher by depression of the MANUAL CONTROL, ALTN
DISCH (PY4HOE BKJlf04EHVlE 2 04EPE,l:\b) button located be-
low a respective compartment annunciator, since the main dis-
charge (1-st shot) fire extinguisher has been discharged automati-
cally.
(g) If fire occurs in the cargo or flight compartment extinguish the fire by
means of the portable airborne fire extinguisher.
If the electrical wiring is on fire, de-energize the circuit in which fire
is detected (if it is impossible to detect what circuit is on fire, de-
energize the helicopter completely).
Warning: 1. Abort the mission after suppression of fire in any of the
compartments and proceed to landing.
2. If fire persists after depletion of all the fire extinguish-
ers, the captain should make a decision on either im-
mediate landing or abandonment of the helicopter by
the crew depending on the actual situation.
6.4. troubles in gearboxes
(1) Indications
(a) In case of troubles in the main, intermediate or tail gearboxes un-
usual noise or vibrations of the helicopter are percepted, the oil
temperature rises and oil pressure drops sharply, the CHIPS IN
MAIN
G/B
(CTPY)/{KA
rn
PE,l:\YK.), CHIPS IN INTERM
G/B
(CTPY)/{KA npOM. PE,l:\YK.), CHIPS IN TAIL
G/B
(CTPY)/{KA XB.
PE,l:\YK.) annunciator flashes or illuminates steadily.
(2) Crew's actions
(a) If unusual noise, vibration, oil overtemperature or oil under pressure
are detected, immediately proceed to descent at low power and an
airspeed of 120 to 140 kmlh, and land on a selected field. Execute
vertical or running landing, depending on actual conditions.
(b) If the CHIPS IN MAIN
G/B
(CTPY)/{KA
rn.
PE,l:\YK.), CHIPS IN
INTERM
G/B
(CTPY)/{KA npOM. PE,l:\YK.), CHIPS IN TAIL
G/B
(CTPY)/{KA XB. PE,l:\YK.) annunciator comes on and flashes or il-
luminates continuously in flight but the gear boxes operation pa-
rameters do not change, abort the mission and fly to the nearest
aerodrome exercising elevated alertness in monitoring the gearbox
parameters. If illumination of the annunciator is accompanied by
changing the gear box parameters, immediately proceed to descent
at low power and execute either vertical or running landing on a se-
lected field.
6.5. In-flight troubles in engine automatic control system
Engine electronic control failure.
Indications: L (R) ENG EEC OFF annunciator is ON
Crew's actions: Switch the failed EEC off. Continue performing the mission,
monitor the operation parameters of the engine with failed EEC. In case of
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