User Manual

31
Exchanging Attachments
■
Remove the 2nd Valve Section
(YBL822G)
Removing the 2nd valve section on the YBL822G
bass trombone lets you use the instrument as a
single rotary bass trombone (B
b
/F/D
b
–> B
b
/F).
Follow the instructions below to carefully remove
the 2nd valve section and attach the F-valve slide.
1.
Remove the screw on the 2nd valve section.
Next, loosen the trigger screw and slide the
trigger rod all the way in, then tighten the
screw to secure the lever rod.
2.
Hook the end of the spring onto the spring
hook. Next, loosen the lever rod to remove.
3.
Carefully remove the 2nd valve section making
sure the parts do not come in contact with the
instrument.
■
Attaching the D Extension
(YBL620G)
Installing the included D extension changes the
YBL620G bass trombone from a B
b
/F/E
b
to a B
b
/
F/D bass trombone.
1.
Remove the E
b
-valve slide then attach the in-
cluded D extension slide.
Screw
Trigger Screw
Trigger Rod
Bearing Adjustment Screw
Lever Rod
Spring Hook
2nd Valve Section
Remove
E
b
-valve
D-valve
(included)
F-valve slide
4.
Remove the F-valve slide from the 2nd valve
section and attach it to the instrument.