| Book | Page | Context |
|---|---|---|
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pulley triple 63 65 Ser 50 60 292 66 70 All 292 3980230 1 w pulley 3 groove I 63 65 Ser 50 230 exc Tilt 3826280 1 w pulley timing mark on front face |
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some cases double groove pulleys may be used in place of single groove pulleys 71 72 All 3980230 1 w pulley 3 groove 7 O D 71 72 All 3865792 1 PULLEY front |