Software Bisque Paramount Taurus Manuale utente
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Paramount Taurus
Equatorial Fork Mount
Assembly Instructions
Software Bisque Inc.
Revision 1.4
May 2018
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Packing and Screw List
Below is a list of the items you will need to install the Taurus Equatorial Fork Mount. There are six boxes
containing each component, there are 37 bolts and wrenches you will need to install the Taurus.
Picture
Description
(Taurus 500/600 top, Taurus 400 bottom)
Pedestal (Optional)
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Picture
Description
(Taurus 500/600 top, Taurus 400 bottom)
Wedge Assembly
RA Assembly
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Picture
Description
(Taurus 500/600 top, Taurus 400 bottom)
Fork Base
Fork Extension* (2 pieces)
* Included with the Taurus 600 that will carry
wider OTAs.
Fork With Gear
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Picture
Description
(Taurus 500/600 top, Taurus 400 bottom)
Fork Without Gear
Screw List
Lock nut (8 pieces)
½-inch-20 x 1-1/2-inch SHCS (Taurus 500/600)
3/8-24 x 1-1/2-inch SHCS (Taurus 400)
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Azimuth Adjustment Anchor (1 piece)
RA and Azimuth Adjustment Shoulder Bolts with
washers (3 pieces)
Fork Arm Attaching Bolts (12 pieces)
½-inch-13 x 1-1/4-inch SHCS (Taurus 500/600)
3/8-16 x ¾-inch SHCS (Taurus 400)
Fork Base Attaching Bolts (8 pieces)
½-inch-13 x 4-1/2-inch SHCS (Taurus 500/600)
½-13 x 3-inch SHCS (Taurus 400)
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Assembly Instructions
Step 1: Mounting Wedge Assembly to the Pedestal
Place the wedge assembly on the pedestal in the orientation shown in Figure 1 with the shoulder bolt on
the back side of the pier when the pier appears to be tilted away from you. Install the azimuth
adjustment shoulder bolt first. Then ensure the azimuth adjustment bolts are screwed out enough so
the threaded hole can be accessed on the pedestal without having to remove the wedge assembly and
install the azimuth adjustment anchor second. Last, install the four bolting lock nuts.
Figure 1: Mounting wedge assembly to pedestal.
Azimuth Shoulder Bolt
Azimuth Anchor Bolt
Lock nut and bolt (4)
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Step 2: Installing RA Assembly into Wedge Assembly
Lift the RA tube assembly up into the wedge assembly in the orientation shown in Figure 2. The
stainless-steel parts protruding from the tube can be set into a cradle shown again in Figure 2. Once in
the cradle, the wedge can hold the weight of the RA assembly but is free to rotate within the wedges.
Figure 2: Installing the RA assembly.
Before rotating too far into the wedge assembly, make sure that the stainless-steel altitude adjustment
bar is in the channel for the altitude adjustments. The altitude adjuster is spring loaded so it will need to
be push “down” in the orientation shown below in order to get the bar into the channel as shown in
Figure 4. Since the altitude adjuster is spring loaded, the increase in altitude adjustment will work
automatically, however for each lowering adjustment of RA assembly, the stainless steel bar of the
altitude adjuster will need to be pushed out of the cradles and into the channel before it can be
lowered. It is helpful for the rest of the install to have the RA assembly at a low altitude (recommended
lower than the 25 degree channel). To make initial adjustments easiest, ensure the stainless-steel bar is
in mid travel of the threads (see Figure 3) before installing the altitude adjuster into the channel.
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Figure 3: Altitude adjustment stainless-steel bar at the mid-travel position.
Figure 4: Altitude adjuster install position.
Once the altitude adjustment bar is in place and it is lowered to a manageable height, then the RA
shoulder bolts should be installed. The stainless steel threads in the tube will need to be lined up with
the shoulder bolt area on the wedges so using the handle on the back of the RA assembly is helpful to
get the holes central while screwing in the shoulder bolts. After those are both installed, the four
remaining lock nuts and bolts can be installed (See Figure 5).
Equal distances.
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Figure 5: Shoulder bolt and wedge attaching bolts.
Step 3: Installing Fork Base
Fork Base Installation
If the RA assembly isn’t lowered to a manageable height to install the fork arms, the RA assembly can
also be more easily lowered before the next step of the installation.
The locking bolt as shown in Figure 6 should already be installed during shipping. For the Taurus
500/600, ensure it is installed so the gear does not turn while trying to mount the fork base. The locking
bolt has five different locking positions 45 degrees apart to help with both the install of the fork arms
and the telescope. For the Taurus 400, there are two locking bolts and both have to be removed before
installing the RA fork base. This means the RA axis is free to rotate while installing the fork base and
arms. The Taurus 500/600 uses eight ½-inch-13 x 4-½-inch SHCSs fork base and the Taurus 400 uses
eight ½-inch-13 x 3-inch SHCSs for mounting. Orient the fork base so the channels and counter bores are
facing outwards, the flat part of the fork base should be flush up against the RA gear and each end of the
base are on either side of the wedges as shown in Figure 6, with forks oriented as in Figure 9.
Two Lock nut and bolts; two
more located on the opposite
side of the mount.
Shoulder Bolt; One on
opposite side of the
mount.
Indice
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