Alvarado SLT Instructions for use

SLT / SLTX
WAIST HIGH SLIMLINE SECURITY TURNSTILE
INSTRUCTIONS AND
MAINTENANCE GUIDE
Revision 1.5 – September 7, 2007
Serial Number: ______________________
A
lvarado Manufacturing Company, Inc.
12660 Colony Street, Chino, CA 91710
[phone] [phone] Fax: [phone]
www.alvaradomfg.com
PUD1570

Alvarado – SLT / SLTX Turnstile
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TABLE OF CONTENTS
IMPORTANT SAFETY PRECAUTIONS PAGE 3
TURNSTILE CONFIGURATION DESCRIPTIONS PAGE 4
OVERVIEW OF INSTALLATION STEPS, PAGE 5
CONCRETE SLAB REQUIREMENTS, & LAYOUT SPACING
INSTALLATION INSTRUCTIONS PAGE 6
ELECTRICAL AND ACTIVATION WIRING INSTRUCTIONS PAGE 7
WIRING DIAGRAMS:
SLT-4X-R RIGHT HAND, FAIL LOCK PAGE 9
SLT-4X-R-FS RIGHT HAND, FAIL SAFE PAGE 10
SLT-4X-L LEFT HAND, FAIL LOCK PAGE 11
SLT-4X-L-FS LEFT HAND, FAIL SAFE PAGE 12
SLT-6X BI-DIRECTIONAL, FAIL LOCK PAGE 13
SLT-6X-FS BI-DIRECTIONAL, FAIL SAFE PAGE 14
MAINTENANCE PAGE 15
TROUBLESHOOTING PAGE 17
SLT PLAN & ELEVATION VIEW DRAWINGS PAGE 20
EXPLODED PARTS DETAIL PAGE 21
NUMBERED PARTS LIST FOR EXPLODED PARTS DETAIL PAGE 25
LUBRICATION GUIDE PAGE 26

Alvarado – SLT / SLTX Turnstile
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IMPORTANT SAFETY PRECAUTIONS
WARNING: Always follow the installation and operating precautions, including the following:
•Read this manual in its entirety before installing or operating the turnstile. If there are
questions, you may contact Alvarado at [phone], Monday through Friday, 6:00 AM to
4:30 PM PST.
•Only skilled individuals should install and service the turnstile.
•The turnstile is not a toy. Do not allow children to play on or near the turnstile. Do not allow
horseplay near the turnstile.
•Follow a proper maintenance schedule.
•Do not operate the turnstile if it has been damaged in any manner. Have the turnstile
repaired or adjusted by a skilled service person before use.
•Do not modify or alter the turnstile.
•Do not operate the turnstile unless the hydraulic dampening unit is operating and adjusted
correctly. For information on maintenance and adjustment of the hydraulic dampening unit,
please refer to the Maintenance section of this document.
•Use ONLY Alvarado parts.
•In access control applications, train all personnel that will be using the turnstile in the proper
method of operation. Ensure that as new users are added, they are properly trained.
SAVE THESE PRECAUTIONS

Alvarado – SLT / SLTX Turnstile
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TURNSTILE CONFIGURATION DESCRIPTIONS
Entry
TURNSTILE CONFIGURATION
OTHER CONFIGURATIONS DESCRIBED IN DRAWINGS
Right
Handed
Turnstile
Left
Handed
Turnstile
Non-Electric
SLT-3
Three-position key lock control allows turnstile
to remain locked in both directions, unlocked in
either direction or open in both directions.
Electric
SLT-4X
Turnstile is electrically controlled in one
direction and key lock controlled in the
opposite direction. The three-position key
lock control allows the turnstile to remain
locked in both directions, unlocked in either
direction or open in both directions.
SLT-6X
Turnstile is electrically controlled in both
directions. The three-position key lock
control allows the turnstile to remain locked
in both directions, unlocked in either
direction or open in both directions.
Fail Lock (Electric models only)
The turnstile locks when power is removed
(or lost). Turnstile will unlock when both
power and an activation contact are
supplied. This is how the turnstile leaves the
factory unless specified otherwise.
Fail Safe (Electric models only)
The turnstile unlocks in the electrically
controlled directions in the event of power
loss and relocks when power is supplied.
Unlock Override
The unlock override feature allows one or
both directions of passage to be unlocked
with a key (included for both directions on all
SLT models). One key lock for each passage
direction is located near the arms on the
cabinet fascia. Both locks are keyed alike.
Activation (Electric models only)
Alvarado’s turnstile requires a momentary dry
contact of between 25 ms and 0.5 s. The
turnstile will not buffer activations. Once
activated, the turnstile will not accept another
activation until the turnstile arm has been
rotated.

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OVERVIEW OF INSTALLATION / SLAB REQUIREMENTS
OVERVIEW OF INSTALLATION STEPS:
A. Determine turnstile locations taking into
account power and activation wiring
(if applicable)
B. Anchor turnstile
C. Connect Power (if applicable)
D. Connect Activation Wiring (if applicable)
PARTS REQUIRED
(SUPPLIED BY ALVARADO)
3 each mounting bolts
3 each washers
3 each Anchors
SLAB REQUIREMENTS
MINIMUM THICKNESS: 4” LEVEL SOLID CONCRETE
DO NOT INSTALL ON ASPHALT
Verify layout location.
Note: the turnstile arm should be
approximately 2” from the next unit or
outside barrier.
TOOLS REQUIRED:
Heavy Duty Drill
5/8” Concrete Drill Bit
3/8” Torque Wrench
Hammer
Shop Vac
Tape Measure
Chalk
Shim Material
Safety Glasses
TURNSTILE LOCATION AND BARRIER SPACING

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INSTALLATION
INSTALLING THE TURNSTILE
1. Place the turnstile in the desired location.
2. Mark the center location of the three anchor holes.
3. Using the impact drill and a 5/8" drill bit, drill a minimum 3" deep hole at the center of each of
the three marked outer anchor locations. For Terrazzo, ceramic tile, or brick veneer installations
add the thickness of the finished floor material to the anchor hole depth (Note: The anchoring
package provided by Alvarado should ONLY be used to anchor the unit directly into the
concrete slab).
4. Vacuum out holes thoroughly. If the holes are not clean, the anchors will not tighten.
5. Insert an anchor into each drilled hole. Ensure that the anchors are flush with the concrete floor.
NOTE: Insert anchors with threads down.
6. Return the turnstile to the install location.
7. Insert a 3/8" bolt and washer through the turnstile base into each of the SB anchors. Tighten the
3/8" bolts to 20 ft-lbs. torque.
8. If the turnstile is uneven or rocks, loosen the bolts, shim the turnstile cabinet as necessary, and
re-tighten the bolts.

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ELECTRICAL AND ACTIVATION WIRING INSTRUCTIONS
(SLTX Models Only)
TOOLS REQUIRED: Wire Stripper
PARTS REQUIRED: Wire Nuts
INSTRUCTIONS:
(NOTE: ONLY SKILLED ELECTRICIANS SHOULD CONNECT POWER)
1. Make sure that primary power to the unit is off.
2. Locate the wiring diagram for the turnstile model being installed. The model number is
listed on the manufacturer’s serial number plate mounted near the head on the cabinet
fascia. (e.g. SLT-4X-R, SLT-4X-R-FS)
3. Remove the lid.
4. Make electrical and necessary activation connections per the appropriate drawing.If an
optional step down transformer was purchased with the unit, find a suitable location to
install the transformer. DO NOT MOUNT THE TRANSFORMER INSIDE OF THE
TURNSTILE CABINET. An appropriate fuse MUST be used to protect the Input AC
Transformer at all times (use a ¾ AMP 250 VAC Fuse). The following power
requirements must be supplied at the turnstile when operating the turnstile without the
supplied transformer:
A. 18 VAC @ 2 Amps using an AC Source with the supplied rectifier.
B. 24 VDC @ 2 Amps using a DC Source and bypassing the supplied rectifier.
5. Review all electrical wiring and contacts for exposure to any metal parts that may lead to
a short.
6. Manually rotate the turnstile and inspect microswitch contacts to ensure that the switch
arm is depressed but not distorted.

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7. Turn ON the primary power to the unit. For both fail-lock and fail-safe units, the turnstile
should be locked in the controlled direction(s) when power is applied.
8. Turn OFF primary power. If fail-lock, verify that upon loss of power, the turnstile remains
locked in the electrically controlled direction. If fail-safe, verify that upon loss of power, the
turnstile unlocks in the electrically controlled direction.
9. Turn the primary power back ON and provide the turnstile an activation signal. The
turnstile should unlock. To simulate an activation signal without using a separate
activation device, short the appropriate Activation Leads (see wiring diagram) together.
Short the Activation Leads by undoing the wire nuts and momentarily touching the
appropriate wire ends together. If you choose to simulate the signal, leave the wire nuts
off until step 13.
10. Rotate the turnstile arm in the appropriate direction. If the turnstile is functioning correctly,
the turnstile will automatically relock.
11. Repeat steps 9 and 10 a total of three times.
12. For bi-directionally controlled turnstiles (Model SLT-6X units ONLY), repeat steps 9
through 11 for the opposite direction and confirm correct functionality.
13. Re-attach the turnstile lid.

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SLT-4X-R RIGHT HAND FAIL LOCK
FRAME CONFIGURATION
SLT-4X-R, RIGHT HAND, FAIL LOCK WIRING DIAGRAM
18 VAC
POWER IN
TRANSFORME
R
P/N: 10-3003C
(If ordered with the unit)
FUSE
3/4 AMP
250 VAC
120 VAC

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SLT-4X-R-FS RIGHT HAND FAIL SAFE
FRAME CONFIGURATION
SLT-4X-R-FS, RIGHT HAND, FAIL SAFE WIRING DIAGRAM
18 VAC
POWER IN
TRANSFORME
R
P/N: 10-3003C
(If ordered with the unit)
FUSE
3/4 AMP
250 VAC
120 VAC

Alvarado – SLT / SLTX Turnstile
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SLT-4X-L LEFT HAND FAIL LOCK
FRAME CONFIGURATION
SLT-4X-L, LEFT HAND, FAIL LOCK WIRING DIAGRAM
18 VAC
POWER IN
TRANSFORME
R
P/N: 10-3003C
(If ordered with the unit)
FUSE
3/4 AMP
250 VAC
120 VAC

Alvarado – SLT / SLTX Turnstile
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SLT-4X-L-FS LEFT HAND FAIL SAFE
FRAME CONFIGURATION
SLT-4X-L-FS, LEFT HAND, FAIL SAFE WIRING DIAGRAM
18 VAC
POWER IN
TRANSFORMER
P/N: 10-3003C
(If ordered with the unit)
FUSE
3/4 AMP
250 VAC
120 VAC

Alvarado – SLT / SLTX Turnstile
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SLT-6X BI-DIRECTIONAL FAIL LOCK
FRAME CONFIGURATION
SLT-6X, FAIL LOCK WIRING DIAGRAM
18 VAC
POWER IN
TRANSFORME
R
P/N: 10-3003C
(If ordered with the unit)
FUSE
3/4 AMP
250 VAC
120 VAC

Alvarado – SLT / SLTX Turnstile
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SLT-6X-FS BI-DIRECTIONAL FAIL SAFE
FRAME CONFIGURATION
SLT-6X-FS, FAIL SAFE WIRING DIAGRAM
18 VAC
POWER IN
TRANSFORMER
P/N: 10-3003C
(If ordered with the unit)
FUSE
3/4 AMP
250 VAC
120 VAC
KEY SWITCH
ELECTRICAL
P/N: 10-1470C KEY SWITCH
ELECTRICAL
P/N: 10-1470C
SLT-6X-FS with Electric Key Switch Option

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MAINTENANCE
Inspect the installed turnstiles approximately 30 days after the initial installation. Thereafter, the
frequency of maintenance will depend on usage and the environment. We suggest inspecting
and lubricating the turnstile interior twice a year. Interior maintenance should be performed
more frequently in high use applications and/or in dusty or humid environments. Periodically
check the anchor bolts for tightness. Exterior cleaning should be performed as necessary.
INTERIOR CARE:
1. General – Check the tension of the three anchors. Tighten to approximately 20 ft-lbs. Check
tension of all nuts, bolts and screws. Clean away accumulated dust and dirt.
2. Microswitches – (Counting or SLTX units only) Manually rotate the turnstile and inspect the
microswitch contact(s). Switch activation should occur without any distortion or bending of the
switch arm. Necessary adjustments can be made by repositioning the adjustable micro plate (#87
on exploded drawing-page 24).
3. Wiring – Inspect all wires and contacts for exposure to any metal parts that may lead to a short
(SLTX units only).
4. Movement – Verify that the compression arm and shoe (#81 and #82 on exploded drawing) move
freely. If the movement is not smooth, remove both parts and apply 3-in-1 oil. Replace parts and
check movement.
5. Hydraulic Cylinder – Verify that the hydraulic cylinder is properly adjusted by observing the
rotation of the turnstile arms. Use the override key to disengage the lockarms and unlock the
turnstile arm.
Spin the arm once rapidly in the testing direction. The turnstile arm should rotate once and stop in
the standard position. If the turnstile over rotates, increase the hydraulic tension. Do this by
removing the cotter type pin at the top of the hydraulic closure (#62 on the exploded drawing).
Tighten the adjusting screw (clock-wise) with a slotted screwdriver. Put the pin back in and retest.
Test in increments of 1/8 of a turn.
If the turnstile under-rotates (returns to standard position very slowly), decrease the hydraulic
tension. Follow directions as above, but loosen the adjusting screw (turn the adjustment screw
counter-clockwise). Replace the pin and retest.
The hydraulic cylinder is adjusted at the factory to a level suitable for most standard applications;
however, the viscosity of the hydraulic fluid is affected by extreme variations in temperature.
Adjustments may be necessary depending on the application or environmental factors. When
making adjustments, ensure that the hydraulic is not adjusted so loosely that the turnstile arm hits
the user in the back/rear as they pass through the turnstile.
6. Lubrication – Apply a light grade lubricant (i.e. Tri-Flow or 3-in-1 oil with a tube extension
applicator) to all contact points. Contact points include spring and micro-switch (if applicable)
contact points. Review the photo on page 26 for identification of lubrication areas.

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7. Springs – Inspect the springs for unusual wear and replace if worn or damaged. When replacing
springs use only Alvarado supplied parts.
8. Solenoid - Do not oil the solenoid plunger. The solenoid plunger is designed to have a “dry” fit.
9. Wiring – Inspect all wires and contacts for exposure to any metal parts that may lead to a short.
EXTERIOR CARE:
1. Stainless Steel - Stainless steel surfaces include the turnstile arms and lid and, depending on the
finish ordered, the cabinet. Stainless steel surfaces may be cleaned using any commercially
available polish or cleaner. If a heavier scratch or mark is apparent, a metal blend and finish pad
(3M or equivalent) may be used. A quality automotive wax may be used to buff the cabinet after
cleaning.
2. Aluminum Head - The conical shaped aluminum head can be cleaned using a soft damp cloth.
3. Powdercoat Finishes – Powdercoat finishes should be cleaned using a soft damp cloth. Any
deep scratches or chips in this type of finish should be touched up to prevent a rust spot from
forming. If left untreated, rust will spread.

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TROUBLESHOOTING
ITEMS TO CHECK FIRST:
•Always check for and remove any debris in or around the solenoid plunger (do not, however, lubricate
the solenoid plunger. It is designed to operate “dry”). (SLTX only)
•Always check the wiring of the turnstile for any loose or bad connections. Be sure to use the wiring
diagram that corresponds to the turnstile model installed. (SLTX only)
Symptom Possible Cause Solution
The turnstile is not powered (Fail
Lock units only). Verify that the rectifier is
receiving approximately 18
VAC
Turnstile does
not unlock (SLTX only)
The turnstile is not receiving an
activation signal from the access
control system.
•Ensure that the access
control system is properly
connected to the activation
wire leads (see
schematic).
•Confirm that the access
control system is providing
a proper activation signal
(see Notes below).
A lock arm spring is missing,
broken, or worn out. Replace spring.
NOTE: The springs installed in
the SLT turnstile are
specifically designed for use in
this application. Use only
springs purchased from
Alvarado Manufacturing.
Turnstile springs are not
interchangeable and should
only be used in their
designated locations.
The lock arm is sticking or
binding in the locked position. •Clean and lubricate the
lock arms.
•If necessary adjust the
hydraulic dampening unit
as described in the
Maintenance section of
this document.
The solenoid is de-energizing but
the plunger is not “firing” (Fail
safe units only).
Adjust solenoid plunger limiter
(see Notes below).
The relay or the solenoid is
defective. Test and replace as
necessary.

Alvarado – SLT / SLTX Turnstile
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Turnstile does
not relock (SLTX only) No power (fail safe unit) Verify that the rectifier is
receiving approximately 18
VAC
The microswitch needs
adjustment. Adjust micro-switch (see Notes
below.)
The microswitch or the
microswitch arm is bent and/or
broken.
Adjust or replace micro-switch
arm.
The Lock arm spring is missing,
broken or worn out. Replace spring.
NOTE: The springs installed in
the SLT turnstile are
specifically designed for use in
this application. Use only
springs purchased from
Alvarado Manufacturing.
Turnstile springs are not
interchangeable and should
only be used in their
designated locations.
The lock arm is sticking or
binding in the unlocked position. •Clean and lubricate lock
arms.
•If necessary, adjust the
hydraulic dampening unit
as described in the
Maintenance section of
this document.
The solenoid is de-energizing but
the plunger is not “firing” (Fail
safe units only).
Adjust solenoid plunger limiter
(see Notes below).
The relay or the solenoid is
defective. Test and replace as
necessary.
The turnstile head
does not turn
smoothly
The turnstile is not properly
lubricated. •Clean and lubricate the
pivot points as described in
the Maintenance section of
this document.
•If necessary, adjust the
hydraulic dampening unit
as described in the
Maintenance section of
this document.
The solenoid is obstructed by
foreign matter or debris. Remove any dirt or debris that
may be obstructing the
solenoid or the plunger.
The Solenoid plunger
is sticking (SLTX only)
Solenoid bracket out of
adjustment Adjust solenoid limiting bracket
(see Notes below).
Notes:
•The SLTX turnstile is designed to receive a momentary dry contact closure. The duration of the
contact must be 1/2 of a second or less. Access control devices that provide a dry contact closure
greater than 1/2 of a second may interfere with the turnstile’s ability to relock after each entry.

Alvarado – SLT / SLTX Turnstile
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•(Failsafe units only) Maintain a spacing of 1.75” from the face of the solenoid to the face of the
bracket. Bend the bracket to adjust. Check the 1.75” measure with both the plunger pulled in and
with the plunger in the release position.
•The microswitch arm should activate but should not depress into the body of the microswitch.
Adjusting the switch arm to depress beyond the activation point may damage the switch.
•You can verify activation by shorting the two activation control wires.

Alvarado – SLT / SLTX Turnstile
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SLT PLAN & ELEVATION VIEW DRAWINGS
34.13” 40”
15”
23.5”
20”
Plan (Top) View
Elevation (Front) View