User Manual

15
Exchanging Attachments
n
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.
Install the valve section by using the reverse proce-
dure. Also, check/tighten the bearing adjustment
screw if necessary.
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.
n
Removing the D Extension
(YBL620G)
Removing the D extension changes the YBL620G
bass trombone from a B
b
/F/D to a B
b
/F/E
b
bass
trombone.
Remove the D-valve slide, and then attach the E
b
-
valve slide.
Screw
Trigger Screw
Trigger Rod
Bearing Adjustment Screw
Lever Rod
Spring Hook
2nd Valve Section
Remove
E
b
-valve
D-valve
F-valve slide
4.
Attach the included F-valve slide to the instru-
ment, paying attention to the insertion direc-
tion.