PM Checklist

• Technician

• Conducted on

  Date
• Location
  Address

Basic information

• Municipality

• County

• Intersection Main Line

• Intersection Secondary

• Intersection Number

Controller Cabinet

• Is this a 3 month or 12 month service?

  3 month

  12 month

General

• Remove all litter from cabinet area

• Lubricate door hinges and locks

• Clean air filter

• Check gasket around door

• Clean/vacuum inside cabinet

• Place insect and/or rodent poison in cabinet if infestation is present

Electrical

• Measure service voltage

• Check the integrity of lightning arrestor

• Check grounding electrode

• Check flasher for proper operation

• Check fan operation (thermostat set to operate at 85-90 degrees Fahrenheit)

• Verify operation of conflict monitor - remove load switch to create red fail and observe response of monitor. Ensure stop timing is implemented.

• Visually check wiring and connectors

• Test batteries for loss of charge - replace every 3 years

• Check physical condition of meter/service disconnect

• Check anchor bolts for rust or tightness

General

• Remove all litter from cabinet area

• Lubricate door hinges and locks

• Clean air filter

• Replace air filter

• Check gasket around door

• Check obstructions in drainage if water is accumulating in cabinet

• Clean/vacuum inside cabinet

• Place insect and/or rodent poison in cabinet if infestation is present

Electrical

• Measure service voltage

• Check the integrity of lightning arrestor

• Check flasher for proper operation

• Check fan operation (thermostat set to operate at 85-90 degrees Fahrenheit)

• Verify operation of conflict monitor - remove load switch to create red fail and observe response of monitor. Ensure stop timing is implemented.

• Visually check wiring and connectors

• Test batteries for loss of charge - replace every 3 years

• Check physical condition of meter/service disconnect

• Check anchor bolts for rust or tightness

• Check relays for burned or pitted contacts

• Verify operation of each switch position

Controller Unit (electromechanical)

• Is this a 3 month or 12 month service?

  3 month

  12 month

• Check time settings

• Check dial assembly for wear, burned contacts, key positions

• Check cam assembly for wear, cracks, burned contacts, tension on contacts, and clean/lubricate as needed

Controller Unit (solid state)

• Is this a 3 month or 12 month service?

  3 month

  12 month

• Check timing settings

• Check response to detector input

• Check real time on clock

• Check batteries

• Check indicator lamp

• Upgrade equipment firmware

Vehicle Detectors

• Is this a 3 month or 12 month service?

  3 month

  12 month

Loop Sensors

• Visually inspect the sensor in the roadway for sealant failure, cracks, and potholes

• Check alignment for sonic, magnetic, video, and radar type detectors, and verify call inputs to controller phases

Loop Amplifiers

• Tune the detector if necessary

• Check whether the connectors are tight and secure

Video Detectors

• Verify detection zones are in proper location relative to the lanes being detected. Assess impact of changes on sun's seasonal position on detection accuracy

• Verify that video detection system is using the latest software version and upgrade

• Check camera lens for moisture or dirt build up and clean as needed

Loop Sensors

• Check sensor/lead-in supplies

Loop Amplifiers

• Check for false actutations by vehicles in adjacent lanes, check amplifier for fail light indicator

• Check that necessary delays are functioning

Pedestrian Push Buttons

• Verify the operation of each push button and visually verify pedestrian signal operation

• Check the time provided for the pedestrian crossing

• Check push button signs for location, legibility, damage

• Check audio operation and direction

• Check push button signs; clean or replace if necessary

Supports (Mast arm, strain pull, span wire)

All boxes below are to be done annually

• Paint

• Insect for rust and cracks, especially at seams and joints

• Inspect anchor bolts, verify that nuts have not loosened

• Span wires - check guy wire, anchors, guards, span sag, cable lashing, and supporting brackets and hardware

• Inspect poles, transformer bases, and arms for damage

• Inspect joints for us and crack at arm/up right location and at base play

• Inspect horizontal and vertical angles of arms

• Hand hole - check integrity of splices in Signal Cable, check ground rod, clamp and ground wire connections

• Adequately secure hand hole covers

• Check signal cable for where at entrance of poles, brackets, signal heads, and where it's lased to span wire

• Check bonding of span wire and tether wire to strain pole

• Check for obstructions in drain at pole base

Signal Heads

All boxes below are to be done annually

• Clean lenses and reflectors

• Check mounting hardware

• Check alignment (aim toward center of approach at a point approximately 150 feet in advance of the stop bar)

• Check the clearance between the roadway and the bottom of signals and/or signs located over the roadway

• Check for signals obscured by foilage

• Check security of louvers, visors, and backplates

• Clean signs

• Check for wear on span wire and signal mounting hardware

Systems Equipment

All boxes are to be done annually

• Ensure controller operates in mode selected by master, if applicable

• Check any special equipment for proper operation

• Disconnect controller from master and check for free or backup operation

Pavement markings

• Restore pavement markings

Junction Boxes and Handholes

• Is this a 3 month or 12 month service?

  3 month

  12 month

• Check camera lens for moisture or dirt build up and clean as needed

• Check integrity of splices

• Check the insulation

• Check for abnormal amount of water

• Check lid for abnormal condition and fit