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Alvarado MST - User Manual

Alvarado MST
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MST / MSTX
MAXIMUM SECURITY TURNSTILE
INSTRUCTIONS AND
MAINTENANCE GUIDE
Revision 1.3 - April 30, 2002
Serial Number: ______________________
Alvarado Manufacturing Company, Inc.
12660 Colony Street, Chino, CA 91710 (800) 423-4143 (909) 591-8431
www.alvaradomfg.com

Table of Contents

Questions and Answers

  • J
    John JosephJul 29, 2025
    Why Alvarado MST do not unlock?
    • S
      Sarah MccallJul 29, 2025
      An Alvarado turnstile might not unlock due to several reasons. It could be due to a missing or incorrect activation signal, in which case you should provide the proper activation signal. Another potential cause is a lack of power; ensure proper power is supplied. Weak power can also be a factor; test the solenoid to ensure it receives at least 24VDC. A broken lock arm spring can prevent unlocking, requiring a spring replacement. Finally, a defective relay or solenoid could be the issue, requiring testing and replacement as needed.
  • J
    Joann VaughnAug 13, 2025
    How to fix weak power in Alvarado MST?
    • A
      Amanda NielsenAug 13, 2025
      If you suspect weak power is causing issues with your Alvarado turnstile's lock unit, test the solenoid to ensure it's receiving at least 24VDC. Providing proper power to the unit may resolve the problem.
  • D
    David JonesAug 21, 2025
    What if the lock arm spring is broken in Alvarado MST?
    • G
      Gary ColemanAug 21, 2025
      If the lock arm spring is broken in your Alvarado turnstile, the suggested solution is to replace the spring.
  • K
    Kathy HayesNov 5, 2025
    What to do if Alvarado MST do not relock or allow multiple entries per activation?
    • T
      Troy TerryNov 6, 2025
      If an Alvarado turnstile fails to relock or allows more than one person to enter per activation, several factors could be responsible. First, ensure the unit is receiving proper power. If the activation signal exceeds a 0.5-second contact, install an interface relay (IFR). If an IFR is already installed, verify that it's set to the minimum setting, no longer than a 0.33-second contact. A misaligned micro-switch may be the cause, so try adjusting it. Inspect the micro-switch and its arm for bends or breaks; adjust the arm or replace the micro-switch as necessary. A faulty micro-switch may also be the culprit, requiring replacement. Check the lock arm spring for damage or absence, and replace if needed. Lastly, the lock arm might be sticking or binding in the unlocked position, in that case ...

Summary

Important Safety Warnings

Components Included with Order

Installing the MST Turnstile

Installation of Roto Bottom Bearing Housing

Details on installing the roto bottom bearing housing, including drilling and anchoring steps.

Installation of Yoke

Steps for installing the yoke, including drilling, anchoring, and ensuring verticality.

Installation of OV

Procedure for installing the OV section, marking holes, drilling, and anchoring.

Installation of Roto Section

Steps to install the roto section, involving the base cover, bottom bearing, and shaft.

Installation of Top Channel

Guide for installing the top channel onto the yoke and roto section, including alignment notes.

Electrical and Activation Wiring Diagrams

MST 4 X Fail Lock Counter-Clockwise Wiring

Wiring diagram for the MST 4X turnstile in Fail Lock Counter-Clockwise configuration.

MST 4 X Fail Lock Clockwise Wiring

Wiring diagram for the MST 4X turnstile in Fail Lock Clockwise configuration.

MST 4 X Fail Safe Counter-Clockwise Wiring

Wiring diagram for the MST 4X turnstile in Fail Safe Counter-Clockwise configuration.

MST 4 X Fail Safe Clockwise Wiring

Wiring diagram for the MST 4X turnstile in Fail Safe Clockwise configuration.

MST 5 X Fail Lock Counter-Clockwise Wiring

Wiring diagram for the MST 5X turnstile in Fail Lock Counter-Clockwise configuration.

MST 5 X Fail Lock Clockwise Wiring

Wiring diagram for the MST 5X turnstile in Fail Lock Clockwise configuration.

MST 5 X Fail Safe Counter-Clockwise Wiring

Wiring diagram for the MST 5X turnstile in Fail Safe Counter-Clockwise configuration.

MST 5 X Fail Safe Clockwise Wiring

Wiring diagram for the MST 5X turnstile in Fail Safe Clockwise configuration.

MST 6 X Fail Lock Both Directions Wiring

Wiring diagram for the MST 6X turnstile in Fail Lock Both Directions configuration.

MST 6 X Fail Safe Both Directions Wiring

Wiring diagram for the MST 6X turnstile in Fail Safe Both Directions configuration.

MST 6 X Fail Safe Counter-Clockwise; Fail Lock Clockwise Wiring

Wiring diagram for MST 6X in Fail Safe Counter-Clockwise / Fail Lock Clockwise configuration.

MST 6 X Fail Safe Clockwise; Fail Lock Counter-Clockwise Wiring

Wiring diagram for MST 6X in Fail Safe Clockwise / Fail Lock Counter-Clockwise configuration.

Turnstile Mounting View

Turnstile Anchor View

Turnstile Elevation View

Turnstile Top View

Maintenance

MST-1; MST-2 Interior and Exterior Maintenance

Maintenance procedures for MST-1 and MST-2 models, covering interior and exterior components.

MST-3, MSTX-4 X, MSTX-5 X, MSTX-6 X Interior Maintenance

Interior maintenance for MST-3, MSTX-4X, MSTX-5X, MSTX-6X models, requiring cover removal.

Lock Arm Bolt and Lock Arm Maintenance

Inspection and maintenance of the lock arm bolt and lock arm for proper function.

Springs Maintenance

Checking springs for tension, wear, and proper replacement if needed.

Microswitches Maintenance

Adjusting and checking microswitch arms and microswitches for correct operation.

Friction Brake Maintenance

Checking and adjusting the friction brake tension on the turnstile.

Lubrication Procedures

Lubricating various components like spring contact areas, bearings, and lock arms.

Electrical Component Inspection

Inspecting electrical wires, contacts, and testing components with a volt/ohm meter.

Self-Centering Mechanism Adjustment

Making adjustments to the self-centering mechanism using the fine adjustment knob.

Exterior Maintenance and Cleaning

Checking anchor bolts, tightening screws, and cleaning accumulated dust and dirt.

Finishes Maintenance

Cleaning instructions for Stainless Steel, Powdercoat, and Galvanized finishes.

Turnstile Operation and User Instructions

Safety Considerations for Turnstile Use

Guidelines for safe operation, including walking slowly and using caution.

Troubleshooting MST Turnstiles

Channel Assembly Exploded Parts View

Channel Assembly Exploded Parts Numerical Listing

Self-Centering Adjustments

Alvarado MST Specifications

General IconGeneral
BrandAlvarado
ModelMST
CategoryTurnstiles
LanguageEnglish

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