Replacing The Keyboard Contact Strips; Removing A Key Weight - Kurzweil PC2 Series Service Manual

PC2/PC2X Disassembly/Assembly
PC2X Keyboard Assembly

Replacing the Keyboard Contact Strips

1. Position the contact strip on the Keyboard Contact Board that you are servicing.
2. Line up the contact strip mounting pegs with their respective mounting holes on the
3. Using a small blunt-end tool (Q-Tip, toothpick, etc.), gently push the mounting pegs

Removing a Key Weight

1. The main components of the weighted-key action consist of the following: the 88 keys,
2. To replace a key weight, identify the section with the broken key weight and remove all
3. There is a locking clip at each end of the keyboard. To remove the locking clips, use a
4. Pry the rod up from the support bracket. The key weights remain attached to the rod.
5. To remove the key weights from the rod, move the key weight side to side and pull it
6. Remove the broken key weight(s) and inspect the other key weights for reliability.
4-32
Note: Be sure that the deeper indentation is positioned toward the rear of the key.
keyboard contact board.
through the holes. Do not use too much force or use a tool that can poke a hole through
the mounting pegs. However, be sure that the mounting pegs are installed through the
holes.
two rods, 88 key weights, and support brackets for the key weights and rods. There are
seven 12-position brackets and one 4-position bracket.
Note: Key weights are attached to one of the two rods that span the length of the
keyboard. The first rod is referred to as the bass rod and the second rod is referred to as
the treble rod. The first rod (the bass rod) begins at low A and extends to G# above Middle
C. The second rod (the treble rod) begins at A above Middle C and extends to High C.
the keys from that section. The key weights, rods, and support brackets are now visible.
standard screwdriver to pry the locking clips off.
away from the rod. The key weight should easily pop off the rod.
Note: The natural and sharp key weights are physically different. The sharp key weights
are smaller. When you remove multiple key weights, do so in a way that you will be able
to place the new natural and sharp key weights in their correct positions.
Natural/White
key weight
Figure 4-21 Natural/White and Sharp/Black key weights
Sharp
key weight