The mainshaft gears :8-1. 5 ??. A 18-2.5A18-3A 82A 10-2A-2A 16-2A 9-2A 12-2A. Gear basic knowledge. Such as double-gear 2610-2B is the outer 26 teeth, within 10 teeth, aperture 2mm tight fit. Each of the tooth (teeth) ─ ─ gear for engaging the raised portion.
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