iv PCMS Operations, Safety & Maintenance V3.0 Ver-Mac 2018
Table of Contents
Table of Contents .............................................................................................................................. iv
1 Overview ...................................................................................................................................... 1
1.1 About your Portable Changeable Message Sign Model ......................................................... 1
1.2 Safety and Warning Information ............................................................................................. 1
1.3 Maintenance .......................................................................................................................... 2
1.4 Troubleshooting ..................................................................................................................... 3
1.5 About Replacement Parts ...................................................................................................... 3
1.6 About Maximum Speeds ........................................................................................................ 3
2 Pre-towing and Work Site Inspections ...................................................................................... 4
2.1 Walk-Around Inspection of PCMS Unit ................................................................................... 4
2.2 Work Site Inspection (before PCMS Unit Setup) .................................................................... 6
3 Unit Deployment and Removal .................................................................................................. 7
3.1 Trailer Deployment ................................................................................................................. 7
3.2 Setup and Adjustment of Signboard and Solar Array ............................................................. 8
3.3 Ballast .................................................................................................................................... 8
3.4 Messages .............................................................................................................................. 8
3.5 Takedown of Signboard and Solar Array ................................................................................ 9
3.6 Trailer Removal ..................................................................................................................... 9
4 Trailer Maintenance .................................................................................................................. 10
4.1 Safety and Instructions Stickers ........................................................................................... 10
4.2 Pre-Maintenance Procedure ................................................................................................ 10
4.3 Trailer Structure ................................................................................................................... 11
4.4 Jacks ................................................................................................................................... 11
4.5 Trailer Lights and Reflectors ................................................................................................ 12
4.6 PCMS Unit Hardware and Fasteners ................................................................................... 13
5 Tires and Rims .......................................................................................................................... 14
5.1 Trailer Tire Wear Diagnostic Chart ....................................................................................... 14
5.2 Replacement Tires and Rims ............................................................................................... 15
5.3 Lug Nuts on Wheel .............................................................................................................. 15
5.4 Tire and Rim Periodic Maintenance ..................................................................................... 16
6 Axles and Suspension .............................................................................................................. 17
6.1 Axle Periodic Maintenance ................................................................................................... 17
7 Brakes and Breakaway Systems ............................................................................................. 18
7.1 Electric Brakes ..................................................................................................................... 18
7.2 Hydraulic Surge Brakes ....................................................................................................... 19
7.3 Manual Brake on the Trailer ................................................................................................. 21
7.4 No Independent Trailer Braking System ............................................................................... 21
7.5 Breakaway System .............................................................................................................. 22
7.6 Safety Chains ...................................................................................................................... 23
7.7 Brakes and Breakaway System Periodic Maintenance ........................................................ 24
8 Coupler/Hitch ............................................................................................................................ 25
8.1 Pintle Hook and Lunette Ring Combination .......................................................................... 25
8.2 Ball Coupler/Hitch ................................................................................................................ 25
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