P&M QUIK-GTR Manual, ref. QUIK-GTR Man 1.0.doc
Page 17
2.5. SECONDARY STRUCTURES AND SYSTEMS - BRAKING SYSTEM
The compensated Grimeca rear wheel brakes are operated by a foot pedal on the left side of the front fork
steering bar. Brakes may be cable operated drum or hydraulic disc type according to aircraft specification. A
brake locking device is provided for parking. To lock, press the brake pedal and, with the left hand, lift the
adjacent locking lever and engage one of its slots with the hoop on the side of the steering assembly. Release
occurs automatically when the brake pedal is pressed.
NOTE
Do not press on the end of the locking ratchet to engage parking brake. There is a risk it could bend.
The travel of the hydraulic brake pedal will be such that the locking lever will engage only in the first or
second notches. This is normal.
Use Dot 4 brake fluid e.g. Bendix Universal Dot 4 from a sealed container.(Grimeca cast wheels and brakes
only)
With the “Explorer” option fitted ( Black Max wheels and brakes) there is a valve provided for the parking brake.
Apply brake pressure and shut the valve.
Use Mineral ATF ( automatic transmission fluid) in the Black Max wheel brakes.
Ensure the parking brake valve is OFF before taxi, takeoff and landing.
2.6. SECONDARY STRUCTURES AND SYSTEMS - FUEL SYSTEM
Fuel is pumped from the single tank below the seat by the engine pump via the fuel filter. The 912S/912
installation features a recirculation system which returns excess fuel to the tank. The tank is vented via a pipe to
discharge clear of the aircraft. A sump with water drain is provided. The tank may be 49L or 65L, the 65L tank
has a third mounting point at the centre of the tank. Fuel is supplied to the carburettors via the main shutoff cock.
Rotax 912S
T
he preferred fuel is 95 RON minimum octane rating unleaded petrol to EN228 Premium or Premium Plus
specification. 100LL AVGAS can be used, but the high lead content causes more plug fouling, so use only when
necessary. Plugs should be checked at least every 25 hours if using AVGAS. If AVGAS is used more than just
occasionally, use oil as specified by Rotax..
Whichever type of fuel is used, use a reputable source of supply and during your daily inspection, use the water
drain facility provided in the fuel tank. Push the drain mushroom upwards and sample the fuel in a transparent
container before the first flight of the day. Any water present will sink to the bottom. If any water is found in the
tank, check the carburettor fuel bowls for water before your next flight.
Rotax 912
As above except that 90RON min. fuel may be used, due to the lower compression ratio.
Gasoline is extremely flammable and can be explosive under certain conditions.
Refuel in a well-ventilated area with the engine stopped.
Do not smoke or allow flames and sparks in the area where the engine is refuelled or where
fuel is stored.
Turn the ignition and Master switches OFF. Earth the aircraft.
Never fill the tank so that the level rises into the filler neck. If the tank is overfilled, heat may
cause the fuel to expand and overflow through the tank vents.
After fuelling, make sure the fuel cap is securely replaced.
Be careful not to spill fuel when refuelling. Spilled fuel or fuel vapour may ignite. If any fuel
is spilled, make sure the area is dry before starting the engine.
Avoid prolonged or repeated contact with skin or breathing of vapour. KEEP FUEL OUT OF
REACH OF CHILDREN.
WARNING
!
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