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DISASSEMBLY, INSPECTION, REPAIR, REASSEMBLY
If
level
the
c.
unit.
assembly as
a
ASSEMBLY.
4.
Place the frame and
a.
support (item 18), insert the hex-head bolts (item
heads inside the frame, seating the heads
and placing
(item
16)
support and frame and
the
between
lock washers
the
washers (item
22)
bolts.
Place
one end
6.
assembly (item
Insert
the hex -head bolt (item
frame and gimbal arm
the
seating
head
the
lock washer (item 21),
the
wing
the
nut (item 23).
on
Secure
the
o.
bearing assembly,
15).
Place
shadow
the
d.
5),
and shadow bar bearing (item 4) on the pivot bolt (item 3)
after
and
placing the solar plate (item
protractor
the
on
8)
pivot bolt through the solar plate, date bar, and bearing
the gimbal arm.
Place
the clamping nut spring
e.
nut and screw the clamping nut (item 2)
the
underside
on the
Screw
/.
the
sighting rod into the gimbal arm.
the
assembly of the sun
vial is
broken, replace the level
trunnion
fibre washer (item
the
on
(item
21)
and screw the
of the giiubal arm (item
the small
11) on
with
in
the cap screw lock (item 16).
plain
protractor
plate (item 0)
if
removed,
bar
washer (item
plate, line up
of
the compass.
gnomon rod into the head
compass.
assembly (item
in
the
trunnion
the bolts next, then the
wing
nuts (item
trunnion
welded to the frame.
through
the
20)
the head inside the frame,
washer (item
the gimbal arm and
to
with
two flat-head screws (item
6),
shadow bar (item
and date
7)
holes and
the
(item 1)
of
the
This
23
vial
and casing
in
the
17)
with
the
20)
cap-screw locks
on the bolts
19)
Place
assembly.
plain
onto
the
23)
and bearing
10)
other hole in
Then install
and screw
22)
bar
(item
insert
the
on
in
the recess
the pivot bolt
on
pivot bolt and
completes the re
in
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