Model 551 Midget Die Grinder Parts List
Exploded parts diagram and parts list for the Black & Decker Model 551 Type 2 Midget Die Grinder, rated at 23,000 RPM. This technical reference shows the complete component layout with assigned part numbers for every assembly—housing, bearings, rotor, bushings, valve assembly, inlet bushing, screen, rear head, exhaust deflector, spindle, and collet sleeve, plus all fasteners and hardware. A detailed cross-section view of the rotor assembly illustrates the key, cylinder liner, rotor, and rotor blades in proper relationship. The document also lists optional collet sizes (1/8", 3/16", 3/32") and identifies wrench tools not pictured in the diagram. Essential reference for sourcing replacement parts, verifying correct assembly orientation, and understanding the mechanical design of this compact pneumatic tool.
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Document Details
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- Category
- Machine Tools