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Contents
Chapter Contents
1.
Safety Notes
2.
General Information
3.
Installation on the Layout
4.
Electrical Connections for
the Turntable
5.
Operating the Turntable
6.
Operating Locomotives
7.
Trouble Shooting
8.
Care and Maintenance
Illustrations
1. Safety Notes
Page
• The turntable is to be used only with an opera-
ting system designed for it (Märklin AC transfor-
5
mer, Märklin Delta, Märklin Digital or
Märklin Systems).
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• WARNING! Sharp edges and points required for
operation.
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Notes
Important
The operating instructions are a component part
of the product and must therefore be kept in a safe
5
place as well as included with the product, if the
latter is given to someone else.
Please see your authorized Märklin dealer for
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repairs or spare parts.
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2. General Information
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The 7286 turntable can be used for conventional as
well as digital locomotive operation. For control of
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the turntable a transformer with 16 volt alternating
current is required, in addition to the controller
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included with the turntable.
With conventional control of the turntable the
turntable deck can be turned in single steps to any
desired edge segment, or it can be turned as far as
desired in continous operation. In either case the
deck can be turned either right or left.
The interchangeable edge segments allow the
spoke tracks to be installed anywhere on the
turntable at 7,5° intervals. It is possible to have up
to 48 spoke tracks.
The turntable can also be used in a two rail
system.
The 7286 Conventional Märklin Turntable can be
converted with the 7687 Digital Retrofit Kit to the
easy-to-use control of the 7686 digital turntable.
The turntable does not have to be removed from
the layout or taken apart for this conversion. Turn-
tables of other makes are in general not equipped,
as delivered from their manufacturer, for the instal-
lation of the 7687 Digital Retrofit Kit.
3. Installation on the Layout
The turntable is designed for a flush mount instal-
lation on the layout. A circular hole with a diameter
of 340 mm (13-3/8'') must be cut in the base board
of the layout. (See ill. 2 for installation dimensions).
The turntable along with the edge segments sits
over this hole and is fixed in place by the spoken
tracks.
The terminal strip included with the turntable is to
be screwed to the mounting pegs on the underside
of the turntable pit with the screws included with
the unit (ill. 1). The existing terminal strip on the
7286 Conventional Turntable is no longer needed
when converting this turntabel with the 7687 Digital
Retrofit Kit.
The edge segments for the turntable are inter-
changeable and allow you to set up an arrange-
ment best suited to your track layout. The 6 spoke
tracks included with the turntable can be expand-
ed by 3 tracks with the 7287 Extension Set.
To change edge segments in a particular location,
the turntable deck must be turned away from that
area. The machanism can be released for this
purpose with the hand lever opposite the engine
shed (ill. 5). The deck can be turned freely with the
lever pulled back to the middle. When releasing
the lever, be sure that the deck is appropriately
lined up with an edge segment.
The edge segments can be removed by pushing up
on the springy tongues in the middle (ill. 6). Then,
the spoke tracks can be inserted in the desired
location (ill. 7). The edge segments with dummy
tracks are inserted opposite the spoke tracks, if a
spoke track is not already in that position.
The track connections are designed for Märklin K
Track. The 2291 adapter track (ill. 3) can be used
as an approach track on layouts with M Track; the
24922 adapter track (ill. 3) is used on layouts with
the new C Track.
The 72881 locomotive shed kit with automatic clos-
ing doors can be used with the 7286 turntable. The
spoke tracks for this must be set at 15° intervals
and a cover plate is inserted on the edge of the
turntable between the spoke tracks (ill. 4).
Important!
Do not bend the outer ends of the spoke tracks
down – this may cause the rail contacts for the
turntable deck to become jammed.
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4. Electrical Connections for the Turntable
Tip: The 7286 turntable control is designed for
operation with 16 volts AC. The accessory outputs
(0 and L) on the Märklin transformers used for the
H0 system are suitable for this.
The six-pin special plug on the flat ribbon cable
on the turntable is inserted into the corresponding
sockets on the terminal strip on the underside of
the turntable (note the shape of the plug indicat-
ing that it can only be inserted one way into the
sockets).
The three conductor control wire from the control-
ler to the turntable is connected with the plugs
included with the unit to the sockets marked 1
(black wire), 2 (blue wire), and 3 (green wire) on
the terminal strip on the underside of the turntable.
The accessory power wires to the controller are
connected to the accessory sockets L and 0 on an
accessory or a train transformer with a 16 volt AC
output (ill. 1).
The existing control box for the 7286 Conventional
Turntable is no longer needed when using the 7687
Retrofit Kit and digital Keyboard for digital control
of this turntable.
For conventional locomotive control the sockets
B 0 0 are connected to a normal train control
transformer (example: 6647, 6631 or 6627) (ill. 1).
For digital locomotive control the sockets B 0 0
for track power are connected to a Digital track
power circuit (ill. 1).
The running rails of the turntable deck are electri-
cally separated from each other. For normal 3-rail
operation the two connections 0 0 on the terminal
strip on the underside of the turntable are con-
nected to one another with one of the plugs with
side sockets included with the turntable. Other-
wise, one of the two rails can be used for track
detection/feedback functions, for example. It is
just as equally possible to have separate connec-
tions for the sockets 0 0 for two-rail locomotive
operation.
Important information:
The wires to the controller and additional exten-
sions of these wires must be twisted to improve
noise suppression for radio and television recep-
tion (ill. 1b).
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