Hammond L series User Manual

SECTION
III
DISASSEMBLY
3-1.
GENERAL.
-
This
section
contains descrip-
tions
of
disassembly
techniques
peculiar to
L—
100
Series
organs.
3-2.
ACCESS.
-
For
access
to
some
of the parts
discussed
in
following
paragraphs, it
may
be
necessary
to
remove
organ
top,
back,
or
both.
3-3.
UPPER
MANUAL
KEY.
-
To
remove
an
upper
manual
key proceed
according
to
the
following.
3-5.
mounting screw; unhook
key from screw
and lift out
key.
h.
To
remove
a
white
key loosen its
key
mounting screw and
those
of
adjacent
black
keys. Unhook these keys
from
screws, push
them back,
and
lift out
white key.
DRAWBAR
CONTACT
SPRING.
-
To
remove
a drawbar
contact
spring
proceed
according
to the
following.
a.
Remove
four screws
which
secure
metal
cover
on
control
panel
assembly.
b.
Remove
two
large
screws
located at
ends
of
control assembly,
which
secure
it
to
upper
manual.
c.
To
remove
a
black
key, loosen its key
mounting screw,
lift control
panel
assembly
and
hft
out
key.
d. To
remove
a
white
key, loosen its
key
mounting
screw and those
of
adjacent
black
keys.
Lift
control panel, push the
keys back
and
hft
out
white
key.
NOTE
If
removal
involves the
lowest
three
keys, it will be
necessary
to
remove
or
loosen
drawbar
assembly.
See
Paragraph
3—6.
3-4.
LOWER
MANUAL
KEY.
-
To
remove
a
lower
manual
key proceed according
to the
following.
a.
Remove
four
screws
which
secure
metal
cover
on
control panel
assembly.
b.
Remove two
upper
manual
mounting
bolts
which
secure
manual
assembly
to
case
work.
c.
Remove
two
screws
which
pass
through
angle
brackets into
upper manual.
These
brackets are
located
inside
of
cheek
blocks.
These
screws
are accessible
from
front
of organ.
d.
Remove
AO-41
and
AO
-42
amplifiers
from
rear of
upper manual.
e. Tilt
manual
up
from front.
f.
Using 1
/4"
box
ratchet, loosen
key
mounting
screw.
g.
To
remove a black
key, loosen its
key
a. Remove
four
screws
which
secure
metal
cover
on
control
panel
assembly.
b. Push
drawbar
all the
way
in.
c.
Remove
screw at back
end
of
drawbar.
d.
Pull
out
contact
spring.
To
disconnect
spring
entirely,
unsolder
wire.
CAUTION
Do
not
under
any circumstances pull
drawbar
forward while contact spring
is
off,
as
damper
spring
will
catch
in slot
and necessitate
removal
of entire draw-
bar
assembly.
3-6.
DRAWBAR, DRAWBAR
KNOBS OR
DRAW-
BAR ASSEMBLY.
-
To
remove
any
of
these,
proceed according
to the following.
a.
Remove
four
screws
which secure
metal
cover
on
control panel
assembly.
b. Unsolder black
wire from "Full
Organ"
tab switch.
c.
Remove
two large screws located at
ends
of
control
assembly which secure it
to
upper manual. Turn
control
panel face
up, and
prop up
in this
position, being
careful not
to
stress wires.
d.
Remove four
hexagonal
machine screws
holding drawbar
assembly
to base.
e.
To
remove
knob, tilt
drawbar
assembly
up, and remove
screw
which
holds knob.
f.
To
remove
drawbar
and contact spring,
pull them out
at back
of
assembly, while
pressing
with
thumb
to release pressure
on contact.
g.
To separate
drawbar from
contact spring,
remove screw
at
back
end
of
drawbar.
h.
To remove
entire drawbar
assembly,
unsolder
all connecting
wires.

Hammond L series Specifications

General

Brand	Hammond
Model	L series
Category	Musical Instrument
Language	English