AnsaldoSTS 95 - Page 98

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Gate Arm Clearing Graphs

6-4 SM 6495, Rev. 7, December 2008

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Important Notice3
Table of Contents7
Introduction13
Description and General Operation13
Figure 1-1 - Model 95 Gate Mechanism Basic Configurations14
Reference Documents15
Parts List Ordering References15
Major Installation Parts16
Figure 1-2 - Original and Redesigned Power down Modules16
Figure 1-3 - Model 95 Gate Mechanism Major Installation Parts17
Installation19
Introduction19
Required Tools19
Foundations19
Mast Mounting19
Mast Mounting for Sidewalk Gate Mechanisms20
Pedestrian Gate Shield Installation22
Power and Control Wiring23
Figure 2-1 - Completed Pedestrian Crossing Gate Arm Shield Installation23
Table 2-2 - Battery and Wire Requirements23
Power Supply Filtering and Regulation Test for Non-Battery Operation for 12 and 24 VDC Systems24
Wiring Diagram for 12-Volt Systems25
Wiring Diagram for 24-Volt Systems25
Wiring Diagram for 3-Wire Control 12-Volt Systems25
Wiring Diagram for Pedestrian Mechanism 12-Volt Systems26
Figure 2-2 - Wiring Diagram for 12-Volt Systems - with Maintenance Switch27
Figure 2-3 - Wiring Diagram for 12-Volt Systems - Without Maintenance Switch28
Figure 2-4 - Wiring Diagram for 24-Volt Systems29
Figure 2-5 - Wiring Diagram for 3-Wire Control 12-Volt Systems30
Figure 2-6 - Wiring Diagram for Pedestrian Mechanism 12-Volt Systems with Maintenance Switch31
Figure 2-7 - Wiring Diagram for Pedestrian Mechanism 12-Volt Systems Without Maintenance Switch32
Spring Buffer Adjustment33
Horizontal (Down) Buffer Adjustment33
Vertical (Up) Buffer Adjustment33
Torque Testing and Adjustments33
Torque Testing (Not Required for Sidewalk Gate Mechanisms)33
Horizontal Adjustment34
Figure 2-8 - Torque Increase/Decrease Diagram34
Vertical Adjustment35
Cam Adjustment35
Table 2-3 - Cam Adjustment35
Gate Arm Ascent and Descent Time Test (12-Volt Systems)36
Figure 2-9 - Number 1 Contact36
Gate Arm Ascent and Descent Time Test (24-Volt Systems)37
Circuit Breaker37
Test Checklist38
Table 2-4 - Test Checklist38
General Maintenance and Troubleshooting39
Safety Considerations at Multiple Gate Locations39
General Maintenance40
Periodic Maintenance40
Control Relays40
Contact Adjustments40
Electrical Assembly41
Hold Clear Device (Brake) Removal/Replacement and Testing Procedure42
Figure 3-1 - Hold Clear Device43
Gearmotor45
Idler Gear Assembly46
Main Shaft and Segment Gear46
Power down of the Gate Arm47
Figure 3-2 - Installation Close-Up48
Eliminating Brush Dust Related System Grounds in the Gearmotor49
Installing the Power down Module Upgrade Kit50
Figure 3-3 - Location of the Power down Module (Units Manufactured before September 1, 2003)51
Figure 3-4 - Proper Hardware Configuration on Terminal Posts 1C, 2C, and 3C52
Figure 3-5 - Location of Redesigned Power down Module on Terminal Posts 1C, 2C, and 3C52
Troubleshooting (General)53
Testing and Troubleshooting the Power down Module for 12-Volt Systems53
Table 3-1 - Troubleshooting Table for Model 95 Gate Mechanism53
Testing and Troubleshooting the Power down Module for 24-Volt Systems54
Verification of Maintenance Switch Operation54
Optional Equipment55
Heater (Defroster)55
Installation Instructions for Model 95 Gate Mechanism Heater Kit55
Maintenance Switch55
Severe Weather Shock Option55
Table 4-1 - Model 95 Heater Kit Ordering Information55
Parts Lists and Equipment Diagrams57
Table 5-1 - Model 95 Gate Mechanism Configurations57
Model 95 Gate Mechanism - Mechanical Assembly Parts List (12- and 24-Volt Systems)58
Table 5-2 - Model 95 Gate Mechanism - Mechanical Assembly Parts List for 12- and 24-Volt Systems58
Parts List59
Figure 5-1 - Model 95 Gate Mechanism - Mechanical Assembly (Sheet 1 of 2)60
Figure 5-2 - Model 95 Gate Mechanism - Mechanical Assembly (Sheet 2 of 2)61
Model 95 Pedestrian Gate Mechanism - Mechanical Assembly Parts List62
Table 5-3 - Model 95 Pedestrian Gate Mechanism - Mechanical Assembly Parts List62
Figure 5-3 - Model 95 Pedestrian Gate Mechanism - Mechanical Assembly (Sheet 1 of 4)64
Model 95 Sidewalk Gate Mechanism - Mechanical Assembly Parts List68
Table 5-4 - Model 95 Sidewalk Gate Mechanism - Mechanical Assembly Parts List68
Figure 5-7 - Model 95 Sidewalk Gate Mechanism - Mechanical Assembly (Sheet 1 of 3) (RH Shown - LH Available)70
Model 95 Gate Mechanism Electrical Assembly with PN-150 Relay (12-Volt Systems) (N46782101)73
Table 5-5 - Parts List for the 12-Volt Electrical Assembly with PN-150 Relay73
Figure 5-10 - Model 95 Gate Mechanism Electrical Assembly with PN-150 Relay (12-Volt Systems)75
Non-Vital Relay Electrical Assembly for 12-Volt Systems (N46782001)76
Table 5-6 - Parts List for the 12-Volt Electrical Assembly with Non-Vital Relay76
Electrical Assembly for 24-Volt Systems (N46782102)79
Table 5-7 - Parts List for the 24-Volt Electrical Assembly with the PN-150 Relay79
Non-Vital Relay Electrical Assembly for 24-Volt Systems (N46782002)82
Table 5-8 - Parts List for the 24-Volt Electrical Assembly with Non-Vital Relay82
Non-Vital Pedestrian Mechanism Relays Electrical Assembly for 12-Volt Systems (N46782201, N46782202)85
Table 5-9 - Parts List for the 12-Volt Electrical Assembly for Non-Vital Pedestrian Mechanisms85
Figure 5-14 - Non-Vital Pedestrian Mechanism Relay, Electrical Assembly86
Model 95 Maintenance Switch87
Table 5-10 - Model 95 Maintenance Switch Retrofit Assembly (Refer to Figure 5-15 and Figure 5-16)87
Figure 5-16 - Maintenance Switch Installation88
Tool Kit (N46707001)89
Table 5-11 - Parts List for Tool Kit (N46707001)89
Recommended Model 95 Non-Vital Gate Mech Spare Parts Kit (X46700016)90
Recommended Spare Parts Not Contained in the Spare Parts Kit90
Model 95 Gate Mech Torque Wrench Kit (X46700003)90
Table 5-12 - Parts List for Spare Parts Kit (N46700016)90
Table 5-13 - Other Recommended Spare Parts90
Table 5-14 - Torque Wrench Kit (X46700003)90
Power down Module Upgrade Kit (X46700031)91
Snub Component Upgrade Kit91
Accessories for the Model 95 Gate Mechanism91
Table 5-15 - Power down Module Kit (X46700031)91
Table 5-16 - Snub Component Upgrade Kit (X46700038)91
Table 5-17 - Accessories for the Model 95 Gate Mechanism91
Gate Arm Light Fuse Retrofit Kit93
Table 5-18 - Parts List for the Gate Arm Light Fuse Retrofit Kit (X46700039)93
Table 5-19 - Parts List for the Fuse Holder Assembly (N46719101) (Figure 5-18)93
Figure 5-18 - Gate Arm Light Fuse Retrofit Kit94
Gate Arm Clearing Graphs95
Figure 6-2 - Fifteen-Second Gate Arm Clearing Graph96
Figure 6-3 - Twenty-Second Gate Arm Clearing Graph97
Technical Support99

AnsaldoSTS 95 - Page 98

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