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clamping disc's
bore is greater on one side than
cs
the other so that it is easier to slide it onto the cylin-
der rod
.
cn
4. Slide the piston rod
7
The main piston
7 7 7 7 7
moves inside the cylinder
with no lubrication so do not attempt to apply any
lubricant! The entire mechanism is also designed to
run with no lubrication so that no lubricant is neces-
sary.
5. Now attach the crank disc
to the crankshaft
cq
cl
er
. One more washer
cr
should now be slid onto the other side of the crank-
shaft
, making sure that there is as little axial play
cl
as possible. If necessary, attach the flywheel
the crankshaft
cl
with a little bit of glue.
6. The narrow clamping disc
rod
, and the third wide clamping disc
bm
to be slid onto the cylinder rod
, having first applied a little lubricant. Then slide
6
the displacer rod
into the main piston socket
6
7. Now attach the short connecting rod
face
separated by a washer
bo
head screw
.
co
8. Carefully slide the displacer socket
placer rod
, having first glued it into the displacer
6
itself.
4
9. Lay the O-ring gaskets
and press them into the side of the housing
3
using constant, firm pressure. To make this easier,
the O-ring gasket
can first be lubricated with some
bt
washing-up liquid.
10. Press the top plate
1
housing
in a similar way. This connection can be
2
undone when necessary, by pushing a small wedge
(e.g. a small screwdriver) between the top plate
and the housing
. If necessary a small opening
2
can be filed into the side of the housing
inserting the tool easier.
2.3. Fine adjustment
• Fine adjustment is required to ensure that there is
only minimal separation between the displacer
and the top or bottom plate.
into the main cylinder
9
9 9 9 9 9
bq
with its threaded rod
having first inserted a wash-
and the flywheel
cr
bs
to
bs
, the short connecting
ct
are next
cs
of the displacer
cn
8
bm
to the crank
using the cylinder
cr
onto the dis-
5
bt
inside the bottom plate
2
into the other side of the
1
to make
2
4
• After aligning the marking to the insert
crank face
bo
slightly too short. By turning the crank face
.
the crankshaft journal a little bit it can be made long-
er (see exploded view, next page).
• Turning the flywheel
placer socket
displacer
4
• Make the stroke of the displacer long enough so that
in one revolution the displacer
against both the top plate and the bottom plate.
• Then shorten the stroke very slightly by turning the
crank face
bo
• The displacer
now be separated by a very small but even amount.
• Finally, turn the crankshaft
ton
is in the middle of its stroke. Then firmly
7
screw the countersunk screw
.
1
.
3. Test of functionality
• Place the Stirling motor on the palm of your hand or
a surface that is heated, e.g. on top of a cup of hot
water.
• After about 1-2 minutes the base plate should have
heated up sufficiently. On hot days, the temperature
difference may not be great enough. If so cool the
top plate with a damp cloth.
• Spin the flywheel clockwise (looking towards the crank-
shaft).
• The Stirling motor rotates in an anti-clockwise direc-
tion when the top plate is heated, e.g. by sunlight or
by a lamp. In this instance, place the Stirling motor
on a cool surface such as a windowsill.
4. Storage and cleaning
• The Stirling motor requires no lubrication.
• Store the Stirling motor in a dust-free location.
• To clean the Stirling motor use a moist cloth, possibly
with some washing-up liquid. Never clean acrylic com-
ponents using solvents or aggressive cleaning agents.
7
the stroke of the displacer should be
afterward forces the dis-
bs
onto the displacer rod
5
6
meets the top plate
.
1
4
touches gently
back a tiny bit.
and the top or bottom plate should
4
cl
so that the main pis-
into the top plate
cp
and the
bp
on
bo
when the
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