Preflight Check; General; Preflight Inspection; Flight Engineer - Kazan Helicopters Mi-17-1V Flight Manual

M.. -17-1B. Flight manual
3. PREFLIGHT CHECK
3.1. General
(1) The Flight Engineer is responsible for performing of the preflight checks
in full scope and with high quality.
(2) The helicopter preflight check is carried out by the Flight Engineer in ac-
cordance with the requirements of Maintenance Manual and the present
Flight Manual.
3.2. Preflight inspection
Preflight inspection of the helicopter is carried out in order to determine
its readiness for flight.
The crew inspects the helicopter following the walk-around circuit shown
in Fig. 3.1.
1-15 - Inspection sequence:
_ - - - external inspection of the helicopter
. . - - - - - - internal inspection of the helicopter
Fig. 3.1. Preflight external inspection circuit.
3.2.1. Flight Engineer
(1) Inspect the flight compartment nose section glazing and the movable blis-
ters.
(2) Inspect the pitot-static tubes, check them for proper attachment and
cleanliness of the orifices.
(3) Make sure the nose LG shock strut and tyres are properly charged. The
nose LG shock strut compression should not exceed 150 mm by the indi-
cator at various combinations of the helicopter weight and CG position,
the nose LG tyres deflection should not exceed 43 mm.
(4) Inspect the RH fuel tank, the combustion heater KO-50 air intake and
cowlings, make sure there are no fuel leaks, dents and other visible de-
fects.
(5) Make sure the RH main LG shock strut is properly charged, there are no
indications of hydraulic liquid leak on the rod, and the main LG wheel tyre
is properly inflated (the shock strut rod extension measured on the rod
face should be as follows:
(a) 240
MM
with no load aboard;
(b) 90±20 mm at the helicopter weight of 11100 kg;
(c) 68±20 mm at the helicopter weight of 13000 kg;
3-3