H&H Specialties 400 Installation Instructions
400 SERIES STANDARD DUTY
STRAIGHT TRACK
INSTALLATION INSTRUCTIONS
PLEASE READ INSTRUCTIONS THOROUGHLY
BEFORE BEGINNING.
A. BI-PARTING TRAVEL
BATTEN INSTALLATION
1. Place track either on the floor or on sawhorses under the batten
to which it will be attached. Make sure the tracks are overlapped
the proper amount, 2'-0" is considered standard. Stage left track
is always
refer to the section on splices in "Special Instructions."
2. Attach track at overlap with 1 set (two 405) overlap clamps
approximately 6" from each end. Install hangers (406) evenly
along the entire run of the track starting adjacent to end pulleys.
Refer to recommended spacing provided. Additional hangers may
be required due to site conditions. If the track is on the floo r,
installer may wish to attach the track to the batten and raise to a
comfortable working level. Refer to step 5 for attachment
instructions.
3. Attach end stops (409) to the onstage (center) ends of the track.
From the offstage ends of the track, install one master carrier (402,
417, 419, or 429) into each track. Next, install single carriers (401,
416, 418, or 428) into each track behind the master (1 single
carrier per foot of track).
4. Decide from which end the curtain will be operated. This is the
side that the double end pulley (403, 423, or 433) will be attached.
Attach pulley to end of track with chain bracket off to the side.
After attaching the double end pulley, go to the opposite side of
the track and install the single end pulley (404, 424, or 434).
Make sure that end pulleys are installed in a manner similar to that
indicated on the plan view detail in attached drawings.
5. Attach the track to the batten with either wire rope, welded link
chain, or pipe clamps. Use attachment method appropriate to
application. When using pipe clamps, a center pipe support (426)
should be used to eliminate twisting through the overlap.
IMPORTANT! Make sure track is parallel to floor before final
attachment. WARNING! After attaching track to batten, make
sure to balance the line set and leave at a comfortable working
level.
6. Attaching a rope clamp to one end of operating line, reeve the
OTHER end of line through the master carrier, single carriers, and
through center sheave of double end pulley. When reeving
operating line make sure that a rubber bumper is installed between
each carrier.
7. Reeve line through the floor block (408, 422, or 432) or the
sand bag tension pulley (643) and back over the other sheave of
the double end pulley.
8. Next, the line travels toward the single end pulley. Reeve the
line through the end stop & cord support, master carrier, single
placed downstage. If track needs to be spliced, please
carriers, and around the single end pulley. Make sure to put rope
clamps on the operating line when going through the master
carrier. CAUTION! Do not tighten at this time. The line
travels through the other end stop & cord support and terminates
where it started at the first master carrier. Place the line through
the master and attach the rope clamp to the operating line leaving
a small tail.
9. Make sure that all the slack in the line is on the double end
pulley side (side with the floor block). Also make sure that there
is sufficient line remaining to reach the intended finished height.
10. Slide each of the master carriers to the onstage (center) end
stops. Now tighten each of the clamps on each master carrier.
Raise the track to its desired height. Check to see that the floor
block or sand bag tension pulley is taking the slack out of the
operating line. Operate the track to make sure everything is
running smoothly. If not, go through the entire system and check
to make sure the components are installed properly.
11. The curtain may now be attached to the carriers.
WARNING! After attaching the curtain, the line set must be
balanced. Always use caution when working with an out-ofbalance line set.
12. Raise the curtain and track to the desired height and adjust the
floor tension block until the operating line has no slack in it. If a
sand bag tension pulley is used, make sure the bag is filled with
dry sand (not provided with sand bag) and the bag is securely
attached to the steel housing.
B. ONE-WAY TRAVEL
BATTEN INSTALLATION
1. Place the track either on the floor or on sawhorses under the
batten to which it will be attached. If track needs to be spliced,
refer to the section on splices in "Special Instructions."
2. Install hangers (406) evenly along the entire run of the track
starting adjacent to end pulleys. Refer to recommended spacing
provided. Additional hangers may be required due to site
conditions. If the track is on the floor, installer may wish to attach
the track to the batten and raise to a comfortable working level.
Refer to step 5 for attachment instructions.
3. Decide from which end the curtain will be operated. This is the
side that the double end pulley (403, 423, or 433) will be attached.
Do not attach the pulley to the end of the track at this time. Attach
to the opposite side of the track the single end pulley (404, 424, or
434). Make sure that both end pulleys will be mounted in such a
manner that both of the sheaves are on the same side of the track.
The upstage side is preferred for cosmetic reasons.
4. From the double end pulley side of the track, install a master
H & H Specialties Inc. 400 Series Installation
South El Monte, CA 91733 February 20, 2007
Page 1 of 3
carrier (402, 417, 419, or 429) into track. Next, install single
carriers (401, 416, 418, or 428) into track behind the master (1
single carrier per foot of track). Finally, attach the double end
pulley on the track.
that the carriers will still pass through the splice. CAUTION!
Wheels of 40 pivot device will not pass a 427 splice.
Dead Hung Installation
5. Attach the track to the batten with either wire rope, welded link
chain, or pipe clamps. Use method appropriate to application.
IMPORTANT! Make sure track is parallel to the floor before
final attachment. WARNING! After attaching track to batten,
make sure to balance the line set and leave at a comfortable
working level.
6. Attach a rope clamp to one end of operating line. Reeve the
OTHER end of the line through the master carrier, single carriers,
and through the center sheave of double end pulley. When reeving
operating line make sure that a rubber bumper is installed between
each carrier.
7. Reeve line through the floor block (408, 422, or 432) or
the sand bag tension pulley (643) and back over the other sheave
of the double end pulley.
8. Next, the line now travels to the single end pulley. Reeve
around the single end pulley and back to the master carrier. Place
the line through the master carrier and attach the rope clamp to the
operating line leaving a small tail.
9. Raise the track to the desired height. Check to see that the floor
block or sand bag tension pulley is taking the slack out of the
operating line. Operate the track to make sure everything is
running smoothly. If not, go through the entire system and check
to make sure the components are installed properly.
10. The curtain may now be attached to the carriers.
WARNING! After attaching the curtain, the line set must be
balanced. Always use caution when working with an out-ofbalance line set.
1. Determine where the hanging points for the track will be. Use
either wire rope or welded link chain to hang track. Hanging
points need to be at ends adjacent to end pulleys and evenly spaced
along the entire run of the track. Refer to recommended spacing
provided. Additional hangers may be required due to site
conditions. Hanging method must be adjustable to allow for
trimming the track parallel to floor.
2. Place track on the floor or on sawhorses in the exact location
that the track will be positioned. If the track is overlapped, allow
2'-0" for this purpose. Place track hangers on track under hanging
points.
3. Raise track in sections and attach to hanging points. Leveling
the track in sections is suggested. If the track is overlapped,
remember to attach the overlap clamps after both tracks are
correctly positioned. Depending on curtain material, the track may
need to be hung 1-3 inches higher than its finished height to allow
for fabric stretch. After the curtain has been hung for a period of
time, it may need to be re-trimmed.
4. Once the track has been hung and leveled, the track is rigged
the same as a batten mounted track for either one-way or bi-parting
(Steps 3,4 & 6-12).
Ceiling Mount
1. After determining the condition of the ceiling and its relation
to the floor, lay the track on the floor or on sawhorses in the
position that it will be installed. Using a plumb line, mark and
drill for attachment to ceiling under each structural support to
which it will be attached.
11. Raise the curtain and track to the desired height and adjust the
floor tension block until the operating line has no slack in it. If a
sand bag tension pulley is used, make sure the bag is filled with
dry sand (not provided with sand bag) and the bag is securely
attached to the steel housing.
C. DEAD HUNG OR CEILING MOUNT
INSTALLATION
Before Beginning.
1. When installing a dead hung track, a decision must be made
whether to install the track in sections or as a complete unit. Basis
for this decision is the ability of the installer to lift and hold the
track in place. The 410S track channel weighs 2.50 pounds per
foot. (50 pounds for a 20'-0" length).
2. If installing on a ceiling, make careful measurements to
determine if the ceiling is parallel to the floor. If not, shim the
track accordingly. Also, take careful measurements in determining
structural points in the ceiling to attach the track. Use appropriate
hardware to attach the track to the ceiling based on roof structure
and total track loads.
3. If track needs to be spliced with ceiling splice (427), splicing
is sometimes easier if done on the floor or on sawhorses. The
ceiling splice is a bolt through splice and care is needed to assure
2. Use a plumb line to determining the position of the track
relative to the ceiling. Raise the track and use appropriate hanging
method for job conditions. Make sure the track is parallel to the
floor and provisions have been made to trim for curtain stretch.
3. After the track is installed, it is rigged in the same way as a
batten mounted bi-parting or one-way track. (Steps 3,4 & 6-12).
Note: Clamp hangers and overlap clamps are not provided or used
with ceiling mounted COMPLETE tracks.
D. SPECIAL INSTRUCTIONS
Splicing Track
1. In order to have a smooth operating track it is important that the
track splices are installed properly and carefully. Do not over
tighten the fasteners.
2. Make sure that the ends of the track are smooth and no jagged
edges are protruding. Filing a slight downward bevel and
rounding the corners will help form a smooth splice. If the track
ends are not smooth, proper alignment may be impossible.
3. Loosen the splice and butt the track sections together in the
splice. Tighten the four 3/8" splice attachment bolts (on top of
H & H Specialties Inc. 400 Series Installation
South El Monte, CA 91733 February 20, 2007
Page 2 of 3
splice) until the track is held loosely. CAUTION! Do not
overtighten.
4. Tighten the 1/4" adjustment screws on the top of the track until
the track is seated firmly in the splice clamp. Next, tighten the
other side of the splice in the same manner. Make sure that the
track ends are still butted together. CAUTION! Do not over
tighten the bolts since deformation of the track is possible.
5. The adjustment screws on the side of the splice are used to hold
the side alignment of the track. Start by turning the screws on one
side of the splice until they touch the track, then do the same to the
other side. Any side misalignment may be adjusted by alternately
tightening or loosening various screws.
6. When the track is aligned, tighten the 3/8" splice attachment
bolts together. Caution! Make sure that the track stays in
alignment as you tighten the splice.
RECOMMENDED TRACK SUPPORT SPACING
Using 406 Clamp Hanger (in feet)
Curtain Weight
Per Carrier (pounds)
2810
3810
4810
5810
6810
779
10 7 8
410A 410S
Pivot Devices
1. Pivot devices allow for curtains to be positioned at different
angles relative to the track. The 40, 40B, 40X, and 40XB are freewheeling units. The addition of the optional 40BK and 40BKB
brake kit will prevent undesired movement of pivot along track.
2. The pivot devices are designed for either 1-3/8" O.D. tubing or
1" Sch. 40 pipe. Maximum recommended batten length is 6'-0".
Make sure that the batten is the proper length for the application.
3. Install the "C" clamps in each end of the curtain batten. These
are provided so that a cord may be tied between the two to aid in
turning the device. The cord should be long enough so that
adjustment may be done with the curtain at its proper trim.
4. WARNING! Tracks that include pivot devices must be
provided with a bolt through style end stop (411) to contain the
pivot device within the track assembly.
4. CAUTION! Do not attempt to adjust the curtain by means
of pulling on the fabric. Damage to the curtain and associated
hardware may result.
5. CAUTION! The recommended total load on the device must
not exceed 75 pounds.
Rear Fold Guide
1. Rear fold guides (412, 412A, or 413) are used when the curtain
needs to store in a pocket or a "sliding door" effect is desired.
2. The guide is attached to the carrier and is positioned offstage in
relation to the carrier. Rubber bumpers are place on each side of
the guide to insure quiet operation. Note: The master carrier and
carrier nearest the end pulley do not require a rear fold guide.
3. As the curtain is pulled open, it is pulled back into the pocket
flat and does not start to fold until the carrier stops. The curtain
does not billow as it moves offstage and will fold neatly in the
pocket.
15 5.5 5.5
20 4 4
25 3.5 3.5
For additional information, please refer to Catalog Fourteen,
pages 62-63. For tracks 10 feet or less in length it is recommended
that the track be supported at a minimum of three locations.
All recommendations stated are presented in good faith and based
upon generally accepted engineering principles. The user,
however, is cautioned that H & H Specialties Inc. cannot guarantee
the accuracy of the data presented in this table for every situation.
It is the customer’s responsibility to determine the suitability of H
& H Specialties’ products for any given application, taking into
account the specific requirements, the environment of use, and any
possible peculiarities of the application.
Direct ceiling attachment of tracks has not been evaluated as the
support structure, method of attachment, and attachment
requirements may vary widely from project to project. A qualified
person should be consulted for this application.
DISCLAIMER
This product is designed for moving curtains or, in
some cases, scenery.
NONE OF THE ITEMS DESCRIBED HEREIN ARE
DESIGNED, INTENDED OR WARRANTED FOR
THE USE OF LIFTING OR TRANSPORTING
PEOPLE OR OTHER LIVING OBJECTS.
H & H Specialties Inc. makes no representation of the
suitability of any product for any application unless
specific design drawings are made by the factory and
the products are installed in precisely the manner
detailed by our design staff.
H & H Specialties Inc. 400 Series Installation
South El Monte, CA 91733 February 20, 2007
Page 3 of 3
&
COMPLETE TRACK
400 SERIES HEAVY-DUTY STRAIGHT TRACK
MODEL NUMBERS
401A 401S
406 CLAMP HANGER
405 OVERLAP CLAMP
416A 416S 416P
418A 418S 418P
428A 428S
BLACK
COMPLETE TRACK
MODEL NUMBERS
401SB
416SB 416PB
418SB 418PB
428SB
404 SINGLE
END PULLEY
401 SINGLE CARRIER
409 END STOP &
CORD SUPPORT
402 MASTER CARRIER
403 DOUBLE
END PULLEY
The 400 Series is a straight track offered in many models for a variety of project requirements. This heavy-duty track
is available in galvanized steel, black powder-coated steel and mill finish aluminum. In addition to the traditional zinc
plated finish, all hardware items are available in black finish to meet the demands of the theatrical industry.
Model 401S is recommended for moderately heavy curtains up to 60 feet in width. It utilizes ball bearing carriers with
polyethylene wheels and 4" end pulleys. Model 428S is an economical upgrade to urethane wheels and 6" pulleys
when a quiet track is desired for larger curtains.
Models 416S and 418S feature improved carriers with a custom designed, sealed ball bearing in each wheel. The
416 carrier is equipped with nylon-tired wheels for minimized friction when moving heavy loads. The 418 carrier has
been redesigned with a urethane tire that combines durability with quiet operation. Each is complemented by 6"
end pulleys for rigging curtains of virtually any length. The Premier versions, Models 416P and 418P, are the best in
heavy-duty straight tracks. They incorporate 1/2" operating line, rear fold guides and 8" end pulleys for maximum
ease of operation of very heavy stage curtains.
2 polyethylene wheels riveted to black Super
SINGLE CARRIER
Tough nylon body with shielded ball bearing.
Heavy-duty hook, swivel, and trim chain for
curtain attachment. Supplied with 1 rubber
bumper.
No. 401 - Zinc plated.
No. 401B - Black finish.
SINGLE END PULLEY
4" diameter Nylatron GS sheave with shielded
ball bearing. Steel housing clamps to underside of track. Chain bracket for securing
offstage curtain edge. 3/8" groove.
No. 404 - Zinc plated.
No. 404B - Black finish.
18
MASTER CARRIER
4 polyethylene wheels riveted to steel body
with 2 shielded ball bearings. 2 clamps
provided for anchoring operating line or
cable. Supplied with 1 rubber bumper. 1 pair
required for overlapping tracks.
No. 402 - Zinc plated.
No. 402B - Black finish.
No. 404M BLACK
SINGLE END PULLEY
Heavy duty 4" diameter Nylatron sheave with
sealed precision ball bearings. Steel housing
clamps to underside of track. Chain bracket
for securing offstage curtain edge. 3/16"
groove for use with motorized tracks.
DOUBLE END PULLEY
4" diameter Nylatron GS sheaves with
shielded ball bearings. Steel housing clamps
to underside of track. Chain bracket for securing offstage curtain edge. 3/8" groove.
NO. 403 - Zinc plated.
No. 403B - Black finish.
OVERLAP CLAMP
Formed steel clamps to align track at overlap.
1 set pictured.
No. 405 - Zinc plated.
No. 405B - Black finish.
No. 403M BLACK
DOUBLE END PULLEY
Heavy-duty 4" diameter Nylatron GSM
sheaves with sealed precision ball bearings.
Steel housing clamps to underside of track.
Chain bracket for securing offstage curtain
edge. 3/16" groove for use with motorized
tracks.
CLAMP HANGER
Formed steel brackets clamp to track.
Adjusts to any position. Suspend track with
welded chain or wire rope.
1 pair pictured.
NO. 406 - Zinc plated.
NO. 406B - Black finish.
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