What is the most important reason for.doimg a vehicle inspection?
Safety
What things should you check during a trip?
Pre-trip inspection.
During trip inspection.
After trip inspection.
Pre-trip inspection
7 step inspection method
- approach the vehicle: notice general condition. Look for damage or vehicle leaning to one side. Look under the vehicle for fresh oil, coolant, grease, or fuel leaked. Check for hazards near vehicle
1. Vehicle overview: review last vehicle inspection report.
2. Check engine compartment ( check that parking breaks are on and wheels are chocked).: engine oil level, coolant level in radiator;condition of hose, power steering fluid level and hose,windshield washer fluid level, battery fluid level connections and tie down, automatic transition fluid level, belts for.tightness and excessive wear, leaks in the engine compartment, bad wiring, then secure hood in closed position.
3. Start engine and inspect inside the cab: make sure parking break is on, put gear shit in park, start engine and listen, check ABS indicator lights, look at gauges, oil pressure, air pressure, coolant temp, engine oil.temp, warning lights and buzzers, steering wheel, clutch, gas pedal, break controls,transmission controls, horns, windshield wiper, lights and signals, mirrors, and emergency equipment, seat belts.
4. Turn off engine and check lights: turn off lights, ensure parking break is on, remove key and take it with you, check all lights around vehicle.
5. Do walk around inspection: clean all lights, reflectors, and glass as you go. 360 degrees around.
6. Check signal lights: have a helper look at all lights as you change through them.
7. Start the engine and check: test for hydraulic leaks ( pump break pedal 3 times then apply firm pressure and hold for 5 secs), check safety belts, check breaking system.
During a trip
Watch gauges for signs of trouble. Inspect the securements of the cargo first 50 miles then every 150 mile or 3 hours. Check critical items when stopped: -tires, wheels and rims -brakes -lights and reflectors -brake and electrical connections to trailer -trailer coupling devices -cargo securement devices
After-trip inspection and Report.
Filling out vehicle condition report listing pronlems.
Name some key steering system parts.
- steering wheel
-tire rod
-steering shaft
-hydraulic fluid resorvoir
-gear box
-drag link
-power steering cylinder
-steering arm
Pittman arm
-steering knuckle
-spindle
Name some suspension system defects.
The suspension system holds up the vehicle and its load. It keeps the axles in place.
Look for: -spring hangers that allow movement of the axle from proper position.
-cracked or broken spring hangers.
-missing or broken leaves in any leaf spring.
#if 1/4 or more are missing the vehicle is out of service#
-leaking shock absorbers
-torque rod or arm, u-bolts,spring hangers, or other axle positioning parts that are cracked, damaged or missing.
- air suspension systems that are damaged and or leaking.
- any loose, cracked, broken or missing frame members.
What 3 kinds of emergency equipment must you have?
- fire extinguisher
- spare electrical fuses (unless equiped with circuit breakers)
- warning devices for parked vehicles (3 reflective warning triangles or 6 fusees or 3 liquid burning flares)
What is the minimum tread depth for front tires? And others?
4/32 for the front.
2/32 others
Name some things you should check on the front or your vehicle during the walk around inspection.
Condition of axle. Condition of steering system.
Must grab steering mechanism to test if loosened. Condition of windshield. Lights and reflectors.
What should wheel bearing seals be checked for?
Seals not leaking
How many red reflective triangles should you carry?
3
How do you test hydraulic breakers for leakes?
A
Why put the starter switch key in your pocket during the pre-trip inspection?
a
How is the parking breake released?
By pushing in the break control knob
An alcohol evaporator in an air break system:
Prevents ice from forming in the breaking system.
When taking the basic control skills test, drivers are:
Allowed to leave the vehicle, but only if the vehicle is placed in natural and the parking break is set.
After 2 violations of any state law regarding hand-held mobile phone:
Your CDL will be disqualified
If another driver is tailgating you, you should?
Increase the space in front of your vehicle
Pressing and releasing your break pedal unnecessarily can:
Release air faster than it can be replaced.
What can happen if the air pressure gets too low in an air brake system?
The brakes may not work.
When the break pedal is pushed down, air breaks work:
After a short delay.
When driving, you should:
take a break every 2 hours to avoid becoming too tired.
Failing to drain the tanks in an air brake system can result in:
Water freezing and causing brake failure.
