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Lycoming Starter Installation Instructions
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All of us at B & C Specialty Products have worked hard to make your new starter the best possible inside and out.To help you enjoy it please read the following.
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MODEL
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PITCH
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# OF TEETH
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VOLTAGE
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BC315-100-1
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10/12
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122
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12 VOLT
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BC315-100-2
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12/14
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149
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12 VOLT
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BC315-100-3
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10/12
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122
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24 VOLT
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BC315-100-4
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12/14
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149
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24 VOLT
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BC315-100-5
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10/12
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122
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12 VOLT C/R
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BC315-100-6
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12/14
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149
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12 VOLT C/R
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BC315-100-7
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10/12
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122
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24 VOLT C/R
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BC315-100-8
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12/14
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149
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24 VOLT C/R
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Be sure to check nameplate on starter and count the teeth on starter ring gear. The gear teeth on the starter drive gear are similar, therefore, it is necessary to follow this procedure.
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Because the B&C Specialty Products starter is 6 to 8 lbs. lighter than the previous starter, it is VERY IMPORTANT to re-calibrate weight and balance information. This MUST be done on all installations.
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WIRING METHOD: Install existing large cable to the large stud on the starter that is farthest away from the starter motor.
TIMING MARK: Enclosed with your starter, you will find an 1/8" X 2" pin. This will slip into an 1/8" hole in the starter casting at 2:00 o'clock from the pinion gear. This pin is in the same location as the timing mark on the Prestolite starter, which is used for timing your magnetos. BE SURE TO REMOVE AFTER EACH USE.
IMPULSE COUPLINGSIt is very important that the magneto with the impulse coupling is the ONLY magneto that is ON when the starter is in operation. If you are using a key switch, be sure that the proper magneto is grounded during start.
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Instructions for Continued Airworthiness
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The B&C Specialty Products BC315 series starters for Lycoming engines require no recurrent maintenance during the service life of the starter. At 2000 hours time in service it is suggested that the starter be returned to the factory for evaluation or overhaul if necessary.
During routine airframe/engine inspections the electrical connections to the starter should be checked for cleanliness and security. Inspect the starter pinion and engine ring gear for excessively worn, broken or missing gear teeth. If any of these are found, the starter should be returned to the factory for evaluation or repair.
Unusually harsh operating conditions such as improperly timed magnetos that cause kick-backs during starting or sticking starter relays or key switches which cause the starter to remain engaged while the engine is running may cause premature starter failure. Existence of these conditions should prompt corrective action and close inspection for possible starter damage. Pilot complaints of poor starter performance should be diagnosed by measuring the voltage applied directly across the starter motor during cranking. The voltage should be 8 to 9 volts to give proper performance. Voltage measurements less than this value point to problems in the starting circuit other than the starter. Voltages equal to or greater than 9 volts across the starter with poor starter performance indicate the need for starter inspection/repair.
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