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Pedal Adjust‐Mechanical.
Sustain Pedal Solenoid Adjustments for Old Style Trapwork. Adjust, if necessary.
Loosen lock‐nut & turn the bolt to move the bolt‐head away
1
from the straight lever. We don't want any pressure on the
straight lever while making the next few adjustments
Check for this small wood block, with felt pad, as shown.
2
This block stops the lever and prevents the thread‐rod from
The thread rod should be inserted in the damper tray and
3
into the straight lever.
If necessary, loosen the bolt and center the top of the "Z"
bracket sec on of the "U‐shaped" lever over the sustain
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pedal rod. Verify that the assembled "U‐shaped" lever clears
Adjust the sustain pedal rod's bolt so that the "U‐shaped"
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lever is parallel to the keybed.
Turn the carriage bolt‐head so that it touches the straight
lever and pushes up on the damper tray. Adjust for 1/8" to
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1/4" lost mo on between the damper tray and the damper
Loosen the lock‐nut on the sustain pedal solenoid and adjust
the rubber‐ pped bolt so that when the piston is pressed
down, as far as it can go, the dampers li just enough to clear
all of the strings. Ideally, we want the piston to travel the
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shortest distance possible and s ll li the dampers. The farther
the piston travels, the more noise it will make when released.
Tighten the lock‐nut.
QRS PMII to PNO3WB Upgrade Instruc ons
Ini al System Setup (Con nued)
QRS SYSTEMS
9
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