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Schematic of the Steinway Model M Grand Piano - Segment Five of Seven

Diagram 5 of 7

2 - Keyframe 29 - Support Cushion 51 - Underlever Frame Cushion
6 - Balance Rail 30 - Fly 52 - Underlever Flange
7 - Balance Rail Stud 31 - Tender 53 - Underlever
8 - Balance Rain Pin 32 - Fly Regulating Screw 53A - Underlever Lead
9 - Balance Rail Bearing 33 - Spoon 54 - Underlever Top Flange
9A - Balance Rail Bearing Strip 34 - Support Top Flange 55 - Damper Wire Screw
10 - Back Rail 35 - Balancier 56 - Tab
11 - Back Rail Cloth 36 - Balancier Regulating Screw 57 - Damper Stop Rail
12 - Key Stop Rail Prop 37 - Repetition Spring 57 - Damper Stop Rail
13 - Key Stop Rail 38 - Repetition Felt Block 58 - Damper wire
14 - Dag 39 - Balancier Covering 59 - Damper Guide Rail
15 - Key 40 - Hammer Rest 60 - Damper Head
19 - Key Button 41 - Regulating Rail 61 - Damper Felts
20 - Balance Pin Bushing 42 - Letoff Screw 62 - String
21 - Capstan Screw 43 - Hammer Rail 62A - String Rest Felt
22 - Backcheck 44 - Hammershank Flange 63 - Agraffe
23 - Backcheck Wire 45 - Drop Screw 64 - Tuning Pins
24 - Underlever Key Cushion 46 - Hammershank 65 - Sostenuto Rod
25 - Action Hanger 47 - Knuckle 66 - Sostenuto Bracket
26 - Support Rail 48 - Hammer 70 - Case Cornice
27 - Support Flange 49 - Underlever Frame 71 - Wrestplank
28 - Support 50 - Underlever Frame Spring 83 - Front Rail
  50A - Underlever Frame Spring Punching 84 - Crossblock Spruce
    85 - Crossblock Block