Super manual it contains all the things you need to service your Marantz 2100.
Text excerpt from page 62 (click to view)
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6.5 MECHANISM ADJUSTMENT
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1 Tangential and Radial Height Coarse Adjustment START
� Remove the servo mechanism. � Remove a Spacer for height adjustment attached to the back side (shaded area) of the Servo Mechanism (Float Base) with nippers. Cautions: Because there is not a Spacer for height adjustment in adjustment after the second time, will keep it at need. (This parts is Traverse mechanism exclusive use of a model for 2001 years) 7.3mm
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Servo Mechanism
Float Base
Put a spacer between a Tangential (or Radial) adjustment screw and Mechanism Base and turn each screw to adjust the height. (Refer to "6.1 ADJUSTMENT ITEMS AND LOCATION".)
Spacer for Height adjustment
Note: Turn the Short switch to Short side when removing the Pickup Flexible Cable. (Refer to "7.1.9 DISASSEBLY".)
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