Daily Pretrip Inspection Checklists

p3 dm 20.02.000

Note: Checklists in this chapter correspond with the procedures and steps in Natural Gas Vehicles, General Information, Pre- and Post-Trip Inspections and Maintenance. Your vehicle may not be equipped with all components listed below.

See the following tables for a list of procedures that should be performed daily, before the first trip. Place a check mark in the complete ( Comp.) column to indicate a procedure has been performed.

Inspector

Date

    Suspension and Slack Adjusters

    Comp.

    1

    Suspension components

    2

    Slack adjusters

      Wheels and Tires

      Comp.

      1

      Wheel covers

      2

      Tire condition

      3

      Tire inflation

      4

      Rims and wheel components

      5

      Wheel bearing oil seals and lubrication levels

      6

      Mud Flaps

        Saddle Tank Areas

        Comp.

        1

        Drain air reservoirs (without automatic drain valves)

        2

        Fuel tank(s) secure

        3

        Frame rails and crossmembers

        4

        Visible exhaust components

          Engine Compartment

          Comp.

          1

          Leakage under engine

          2

          Air intake system

          3

          Engine oil level

          4

          Power steering reservoir level

          5

          Engine coolant level

          6

          Visible engine wiring

          7

          Frame rails

            Cab

            Comp.

            1

            Reset dash-mounted air intake restriction indicator (if equipped)

            2

            Air pressure warning systems

            3

            Air governor cut-in and cut-out pressures

            4

            Air pressure build-up time

            5

            Air system leakage

            6

            Air pressure reserve

            7

            Mirrors, windows, windshield

            8

            Horn, windshield wipers, windshield washers

            9

            Heater and defroster

            10

            Interior lights

            11

            Exterior lights

            12

            Seat belts and tether belts

            13

            Fuel level

            14

            Mirror adjustment

            15

            Service brakes

            16

            Backup alarm

              Natural Gas Fuel System

              Comp.

              1

              Fuel tanks

               

              2

              Required decals

               

              3

              Vent caps

               

              4

              Plumbing components, fuel fill fitting, fuel lines

               

              5

              Fuel gauge components, fuel level sender cable, LNG fuel tank pressure

               

              6

              Coolant hoses

               

              7

              LNG fuel tank pressure

               

              8

              LNG vaporizer

               

              9

              Low pressure filter drain

               
                Note:
                Document Number: 0000112728
                Manual Publication Date: 2025-02-11
                Topic Publication Date: 2024-05-06