Page 88 - Georgia Commercial Drivers Manual 2020
P. 88
11SECTION 11.1 – Internal Inspection Temperature Gauge
(All Vehicles) • Make sure the temperature gauge is working.
PRE-TRIP • Temperature should begin to climb to the
INSPECTION TEST Study the following vehicle parts for the type
of vehicle you will be using during the CDL normal operating range or temperature light
This Section Covers skills tests. You should be able to identify each should be off.
part and tell the examiner what you are looking Air Gauge
Internal Inspection for or inspecting. • Make sure the air gauge is working properly.
(All Vehicles)...............11.1 • Build air pressure to governor cut-out, rough-
External Inspection 11.1.1 – E ngine Compartment ly 120-140 psi.
(All Vehicles)..............11.2 (Engine Off) Ammeter/Voltmeter
School Bus Only........ 11.3 • Check that gauges show alternator and/or gen-
Trailer........................ 11.4 Leaks/Hoses erator is charging or that warning light is off.
Coach/Transit Bus.... 11.5 • Look for puddles on the ground. Mirrors and Windshield
Taking the CDL Pre-trip • Look for dripping fluids on underside of en- • Mirrors should be clean and adjusted prop-
Inspection Test......... 11.6 erly from the inside.
gine and transmission. • Windshield should be clean with no illegal
During the pre-trip inspection, you must • Inspect hoses for condition and leaks. stickers, no obstructions, or damage to the
show that the vehicle is safe to drive. You will Oil Level glass.
have to walk around the vehicle and point to • Indicate where dipstick is located. Emergency Equipment
or touch each item and explain to the exam- • See that oil level is within safe operating • Check for spare electrical fuses.
iner what you are checking and why. You will • Check for three red reflective triangles, or 3
have to point to or touch items under the hood range. Level must be above refill mark. liquid burning flares.
or under the vehicle (this will require you to Coolant Level • Check for a properly charged and properly
physically maneuver/crawl under the hood or • Inspect reservoir sight glass, or secured fire extinguisher.
under the vehicle). • (If engine is not hot), remove radiator cap and NOTE: If the vehicle is not equipped with
electrical fuses, you must mention this to the
check for visible coolant level. examiner.
Power Steering Fluid Steering Play
• Indicate where power steering fluid dipstick • Non-power steering: Check for excessive play
by turning steering wheel back and forth.
is located. Play should not exceed 10 degrees (or about
• Check for adequate power steering fluid two inches on a 20-inch wheel).
• Power steering: With the engine running,
level. Level must be above refill mark. check for excessive play by turning the steering
• Engine Compartment Belts wheel back and forth. Play should not exceed
• Check the following belts for snugness (up to 10 degrees (or about two inches on a 20-inch
wheel) before front left wheel barely moves.
3/4 inch play at center of belt), cracks, or frays: Wipers/Washers
»» Power steering belt. • Check that wiper arms and blades are secure,
»» Water pump belt. not damaged, and operate smoothly.
»» Alternator belt. • If equipped, windshield washers must oper-
»» Air compressor belt. ate correctly.
NOTE: If any of the components listed above Lights/Reflectors/Reflector Tape Condi-
are not belt driven, you must: tion (Sides & Rear)
• Tell the examiner which component(s) are • Test that dash indicators work when corre-
not belt driven. sponding lights are turned on:
• Make sure component(s) are operating prop- »» Left turn signal.
erly, are not damaged or leaking, and are »» Right turn signal.
mounted securely. »» Four-way emergency flashers.
Safe Start »» High beam headlight.
• Depress clutch. »» Anti-lock Braking System (ABS) indicator.
• Place gearshift lever in neutral (or park, for »» DEF indicator
automatic transmissions). • Check that all external lights and reflective
• Start engine, then release clutch slowly. equipment are clean and functional. Light
and reflector checks include:
11.1.2 – Cab Check/Engine Start »» Clearance lights (red on rear, amber else-
Oil Pressure Gauge
• Make sure oil pressure gauge is working. where).
• Check that pressure gauge shows increasing »» Headlights (high and low beams).
»» Taillights.
or normal oil pressure or that the warning »» Backing lights.
light goes off.
• If equipped, oil temperature gauge should
begin a gradual rise to the normal operat-
ing range.
86 2019-2020 GEORGIA COMMERCIAL DRIVERS MANUAL
