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Service Bulletins Airframe
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Service Bulletins Engines click here Six Cylinder Engines On 3300 engines, 2 of the HT leads can rub on the top of the carb, so much so that in both cases they'll wear a deep groove in the carb top. This can lead to damaged HT leads or carby top. At worst, this could lose the vacuum in the carb which would drop your engine to idle and at best, you'd get misfire(s) on the mags. Its worth checking the cable routings and periodically this at service intervals to prevent a failure or worse... Spark Plugs Because of the auto type we use change at every 100 hours is advisable. At 50 hours a clean and regap is a good idea. Gap to 0.023 inches or 0.58mm. If you need to replace the connector ferrule on top of the plug, ensure it is fully tightened because relative movement between the ferrule and thread can create aluminium dust which can short out the plug. Starting The keys to getting your engine to start right on the button in cold weather are 4 things. Priming the engine - turn the prop by hand with fuel pump on. 4 to 6 blades are best FULL choke (make sure the choke operates on fully. If choke is not 100% on in cold weather the engine will be a lot more difficult to start) ZERO throttle Good Battery If the throttle is even slightly cracked open or the choke not 100% on then the engine probably won't start. Gradually drop the choke off ASAP after starting. Even when very cold you should only need it for 20 seconds or so. It’s always good practice to turn the engine over by hand prior to first start of the day. This is because: It gives you practice to sense if a cylinder is low on compression It gets the oil flowing into the internals It draws some fuel mixture into the engine for an early start You can listen for any untoward noises, either mechanical or hissing sounds that might imply a leaking head/ valve etc. Remember to check the mags are off prior to turning the prop by hand but nevertheless assume the engine is LIVE! With a properly serviced engine, if you have there things right you’ll make all those Lycoming flyers envious of right on the button starts. Cold Starts ~ Use of Multigrade Aero Shell 15W50 or BP Multigrade Aero Oil certainly is more suitable for cooler climates. Static Line If you are leaving your aircraft in the rain for any length of time, you must cover your static line. Rain water can get in and give you wild ASI and altimeter readings. A condom is ideal, but if you're worried about what the neighbours think, get a pitot tube cover with a 'remove before flight' ribbon. Spinner Ensure that your Spinner is not in contact with the prop. If it is, then it will wear a groove in it.
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