7
INSTALLATION
& USE
INSTALLATION (ANTERIOR MOUNTING BLOCK
)
For back supports where threading from anterior
surface of the shell is necessary or preferred.
For OEM back supports with a 2-hole head support mounting pattern.
Instructions to be used in combination with images above.
1
If head support hardware
stem
C
is inserted in mounting block
B
,
turn knob
A
counterclockwise to release it and set aside.
2
Loosen button head screws
D
with 4mm hex key and remove
along with washers
E
and spacer plate
F
from mounting block
B
.
3
Remove back support cover (not pictured) allowing access from
both sides to head support holes on back support shell
G
.
4
Align mounting block
B
and spacer plate
F
with available head
support holes on the back support shell
G
.
5
Attach
B
and
F
with screws
D
and washers
E
from the front face of
the back support shell
G
and tighten.
6
Replace and secure back support cover.
7
Insert hardware stem
C
into mounting block
B
and turn knob
A
clockwise to secure.
Note:
Make sure at least
½
” of stem
C
is
completely through the bottom of
B
at all times. See pages 16-20
for final adjustments.
1
Loosen screws
D
with
4mm
hex key and remove along with
washers
E
and spacer plate
F
from mounting block
B
.
2
Use flat head screws
H
provided with countersunk holes in
spacer plate
F
to attach it to mounting block
B
. Make sure
the screw heads are flush with spacer plate
F
when tightened.
3
Align remaining threaded holes
J
on spacer plate with holes
on the back support.
4
Attach using shorter button head screws provided
(not shown)
and existing washers
E
. See pages 16-20 for final adjustments.
2
1
H
B
F
F
B
J
E
G
D
A
B
D
E
F
C
