Disassembly; Tone Bar Assembly; Lower Manual Assembly; End Blocks- Lower Manual - Hammond X-5 Service Manual

SECTION
II.
DISASSEMBLY
1M>
2-1
GENERAL
This section contains instructions for
removal
of
specific
assemblies of the organ. Step 2-2 thru
2-13
provide
disassembly
procedures
for
the
Upper Section (Manual Keyboard) of the organ.
Steps
2-14
thru
2-17
provide
disassembly
procedures for the
Lower Section of the organ.
The removal
of
some
sub-assemblies
and
un-
plugging
connectors or unsoldering
is
obvious.
These
will
not be discussed.
For reassembly, use
reverse
procedures.
UPPER SECTION
2-2
TOP PANEL
a)
Two
(2)
bronze screws (614" long) located
under
Upper
Section
must
be
removed FIRST.
(Note
—
See Figure 2-1 for location).
b)
Near top and center of each
side of
Upper
Section
remove bronze
screw.
c)
From
front of
top panel,
lifting
evenly,
raise
top to swing
up
position.
2-3
UPPER
MANUAL
ASSEMBLY
a)
See figure 2-1 for location
-
Remove
six (6)
1"
long
bronze screws
from under
side of
Upper Section.
b)
Raise
manual
to
swing
up
position.
{Do not
lift
by
keys).
2-4
END BLOCKS - LOWER MANUAL
a)
Remove two
(2)
phillips
screws
from
rear of
each
End
Block Assembly.
b)
Carefully
lift
up
and avoid
marring
or scratch-
ing.
2-5
LOWER
MANUAL ASSEMBLY
a)
Lower Manual End Blocks should be
removed
first
to avoid
damage
to
case or other assemblies.
b)
See Figure 2-1 for location.
Remove
four
(4)
1"
long
bronze
screws
from
under
side
and
toward
front of
Upper Section.
c)
Carefully,
Manuai can be placed
in
up
right
position.
(Do not
lift
by
keys!.
2-6
TONE BAR ASSEMBLY
a)
Unplug Upper and Lower tone
bar
connectors
for
T.G-15
(B)
PWB
assembly
located
under
Upper Manual Assembly.
b)
Remove
self
tapping screws
mounting Tone
Bars to
Upper
Manual Assembly.
2-7
POWER SWITCH
AND
UPPER
MANUAL
RIGHT
HAND
END
BLOCK.
a)
Follow
steps 2-2
thru 2-3.
b)
Remove End
Block,
by removing one
(1)
screw
at rear,
top
of
End
Block.
Screw
located
under
felt.
c)
Raise
manual
and from under End
Block
remove
screw.
d)
Between Front
Strip,
remove
small
screw
fastening strip
to
End
Block.
Lift
up End
Block.
e)
From
under
side
of
End
Block,
remove two
(s)
screws fastening cover to switch.
Remove
cover.
f)
To remove power
switch
-
after
End
Block
is
loose
from
Manuai,
remove two
(2)
black screws
from top
of
End
Block.
Switch
now
can be
removed from under
side of
End
Block.
Reassemble
in
reverse procedure.
2-8
TO
REMOVE END
BLOCK POTENTIOMETERS
a)
Follow step 2-2 thru
2-5.
b)
Remove knob
of
potentiometer. (Volume,
Brilliance,
or Repeat),
by
loosening small set
screw
in
knob.
c)
Remove
End
Block by removing two
(2}
screws top rear of
End
Block.
Lift
Block.
d)
Remove
hex nut securing potentiometer
to
End
Block,
Potentiometer can be
removed from
bottom
side of
Assembly.
2-9
ROCKER
TABS (REMOVAL)
a!
Proceed
as
stated
in
Stepes 2-2 thru
2-4.
b)
From
under
side
of
End
Block,
remove
top
and bottom screw
of associated
Rocker Tab
Assembly. Rocker
Tab
will lift
out.
2-