Alvarado MST User Manual (English)

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.

Alvarado MST Specifications

General

Brand	Alvarado
Model	MST
Category	Turnstiles
Language	English

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 4X Fail Lock Counter-Clockwise Wiring

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

MST 4X Fail Lock Clockwise Wiring

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

MST 4X Fail Safe Counter-Clockwise Wiring

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

MST 4X Fail Safe Clockwise Wiring

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

MST 5X Fail Lock Counter-Clockwise Wiring

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

MST 5X Fail Lock Clockwise Wiring

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

MST 5X Fail Safe Counter-Clockwise Wiring

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

MST 5X Fail Safe Clockwise Wiring

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

MST 6X Fail Lock Both Directions Wiring

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

MST 6X Fail Safe Both Directions Wiring

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

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

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

MST 6X 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-4X, MSTX-5X, MSTX-6X 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

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