Yamaha PF-1000 Service Manual page 23

20. Assembling the Keyboard
20-1 Hammer, White Key (Hammer, Black Key)
Place the keyboard assembly upside-down, insert a
hammer assembly into the frame, and put the stopper
(L88_W) on. (Fig. 20)
* There are four (4) kinds of hammers that differ in weight.
20-2 Spring
Place the keyboard assembly rightside up. Fix key springs
on the frame by setting one at each slit and pushing down
once on each key spring. (Fig. 21)
* Be careful of the direction of the spring.
20-3 White Key (Black Key)
After a key has been fit to part [C] and key guide, make
sure that the spring is fixed to the key and then press down
part [B] of the key. (Fig. 22)
Stopper (L88_W)
(Fig. 20)
White key
[C]
(Fig. 22)
Hammer, white key
Frame
[B]
Spring
Key guide
PF-1000
Up
Spring
Frame
Hook
(Fig. 21)
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