Page 235 - Driving Commercial Vehicles Manual+
P. 235
chapter 10 — vehicle and air brake pre-trip inspections
Class 2 or Class 4
(unrestricted) ❏ Instrument panel • coolant temperature indicator or gauge
pre-trip inspection (cont.) — check that indicator rises to normal
operating temperature — light should go
off after engine starts
• fuel gauge — ensure it’s working properly
— indicates sufficient fuel
• instrument lights — ensure they work
❏ Windshield wipers/ • ensure wipers and washers work
washers
❏ Heater/defroster • ensure heater and defroster controls
work including fan, in heater and defroster
positions
❏ Interior lights • ensure they all work including dome
lights, courtesy lights and step lights
❏ Horn • ensure it works
❏ Four-way flashers • check that both indicators on dashboard
work (the exterior lights will be checked
later as part of checking the turn signals)
❏ Emergency • warning devices — ensure they are in
equipment working condition
• fire extinguisher — ensure the date on
the label is valid
• first aid kit — check that the contents are
adequate
❏ Engine noises • listen for unusual sounds
❏ School bus stop sign • ensure that it works and is secure
(if equipped)
Shut off engine. Leave key in the “on” or “accessory” position so that the
lights may be turned on.
221
