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Rear baggage Hold, check net hooked in place
Main Rotor Blades – check for security and signs of impact
LHS Tailboom
Check no oil leaks under scuppers
Horizontal stabiliser Cracks on outer skin within 50mm of attachment. Check for play
Tailboom and TGB fairings
Vertical fins
Tailrotor gearbox for oil levels,
sealing, chip plug
RHS Tailboom
Vertical Fin
Tail Rotor blades. Check tips, wrinkles, abnormal noise at root (meaning broken fibres).
Laminated half-bearings for delaminations, cracks or protrusions
Tail Rotor head, pitch change
rods for axial play
Pitch change spider bearing for
play
Tail rotor gearbox for security,
bellcrank hinge pin
Condition of sealing head
abnormal play
See-saw hinge teetering bearings—cracks in rubber on bearing outer zone
Control Spider—baffles, spacers and lock washers should not rotate
Right Hand Side
Battery attachment Baggage Hold door Lower fairing panels
Landing gear shock strut MGB Cowlings Transmission support platform Main gearbox MGB suspension strut Servo units and lines Mast bearing magnetic plug Engine Oil tank and system for
level, attachment and leaks, chips at plug
Prestart
No Item Action
Engine Oil radiator for
attachment and leaks Universal Joint assembly. Attachment, safety pins in and locked
Hydraulic pump drive belt for
damage Flexible coupling assembly for attachment, disc condition, cracks, broken strips
Engine support Engine & compartment Engine & MGB cowlings Lower panels
1 Performance, CG and documentation Checked
2 Hatches and Harnesses Secure, even those not occupied
3 HYD TEST button (on collective) Press for about 2 seconds to depressurise the yaw hydraulic accumulator which will centre the yaw pedals.
4 Flight controls Check cyclic neutral and collective in low pitch, with frictions adjusted as required, and lock on. You can't do much of a full and free check (and neither should you try) because the droop stops are there.
5 Rotor brake Released – forward
6 Fuel shutoff lever Lockwired and forward
7 Fuel Flow Off
8 Battery Switch On. These should illuminate: HYD, GEN, MGB.P, PITOT, ENG.P. BAT comes on as well if you are on external power. Check the battery voltage.
9 Warning lamps Test – FIRE light will take a second to come on
10 Bleed Valve Flag visible on NG indicator
11 Hydraulic pressure On (if isolated, the HORN light will come on)
12 Heating, demister, air conditioning Off
Start
No Item Action
1 Booster On, wait 30 seconds to purge the system.
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