When the spikes are fully retracted, the C1 sits on elastomer rings to protect the base. If the base on which the C1 is located is
fragile or should not be scratched, please make sure to use the optional CH support discs to protect the base.
Adjustment shafts, feet and spikes
(1) Adjustment shafts. Insert adjustment spikes and use screwdriver to secure and adjust individual feet spikes
(2) Feet
(3) Adjustment spike heads (when inserted into adjustment shafts)
(4) Adjustment spike
3.2.2 Adjustment shaft covers
Once the position of the unit is adjusted, place the appropriate shaft covers on the four adjustment shafts. There are two types of
shaft covers delivered with your C1 unit. One type of shaft cover (stacking cover, made of steel) is used when different CH units
are stacked. This type of cover includes a receptacle to receive the corresponding spike of the unit placed just above. By doing so,
mechanical vibrations are optimally transmitted to ground and minimized inside CH units. The second type of shaft cover (top
cover, made of aluminum) can be used when units are not stacked or for the top unit when stacked. It covers the shaft and
provides a smooth finish to the top of the unit. Shaft covers are located in the accessories box delivered with your C1 unit.
Never stack any component other than CH's on your C1. Never use the aluminum shaft covers (top covers) when another CH
component is to be stacked on top of your C1.
Shaft covers (left: stacking cover, right: top cover)
18 C1 User Manual Rev 1.9
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