§29.1163 Powerplant accessories

(a) Each engine-mounted accessory must: (1) Be approved for m ounting on t he engine involved; (2) Use the provisions on the engine for mounting; and (3) Be sealed in such a way as to prevent cont amination of t he engine oil system and accessory system. (b) Electrical equipment subject to arci ng or sparking m ust be i nstalled, t o m inimise the probability of igniting flam mable flu ids o r vapours. (c) If continued rotation of an engi ne-driven cabin supercharger or any remote accessory driven by the engine will be a hazard if they m alfunction, there m ust be m eans to prevent their hazardous rotation without i nterfering wi th t he cont inued operation of the engine. (d) Unless ot her m eans are provi ded, torque limiting m eans m ust be provided for accessory drives l ocated on any com ponent of the transmission and rot or dr ive system to prevent damage t o t hese com ponents from excessi ve accessory load.