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Daily inspection test structure
general The daily inspection test determines your knowledge and skills for safe operation and to identify minor or major defects per O. Reg. 199/07. It is performed in order: exterior inspection, in-cab check, interior inspection. Exterior/interior items are randomly selected from Schedule 1; all in-cab items must be inspected, using Schedule 1 as a reference. The exterior inspection is done with the parking brake engaged and wheels chocked.
Key Rules
- ✓The daily inspection is performed in order: exterior, in-cab, then interior
- ✓Perform the exterior inspection with parking brake engaged and wheels chocked
- ✓You may use Schedule 1 as a reference during the test
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Air pressure build-up and leak testing
airbrakes A minor defect exists when air pressure takes longer than two minutes to build from 85 to 100 psi (test at 600-900 RPM). Any audible air leak is a minor defect. The air-loss rate is a major defect when pressure drops in one minute more than 28 kPa (4 psi) for Class A or 21 kPa (3 psi) for Class D — test with wheels chocked, spring brakes released, pressure between cut-in and cut-out, brake pedal fully applied for one minute.
Key Rules
- ✓Build-up over two minutes from 85 to 100 psi is a minor defect
- ✓Air loss over 4 psi/min (Class A) or 3 psi/min (Class D) is a major defect
- ✓Any audible air leak is a minor defect requiring an air-loss rate test
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Pushrod stroke measurement
airbrakes A major defect exists when any brake's applied pushrod stroke exceeds its adjustment limit. Secure with chocks, ensure air above 621 kPa (90 psi), release spring brakes, mark or measure the released pushrod, build pressure to 90-100 psi, shut off engine, hold brakes applied, then measure the applied stroke. Determine the chamber number/type, its adjustment limit, and identify any brake exceeding it as defective. Some vehicles (buses, air disk brakes) are examined verbally.
Key Rules
- ✓A pushrod stroke exceeding the adjustment limit is a major defect
- ✓Measure applied stroke with air at 90-100 psi, engine off, brakes held fully applied
- ✓Determine chamber size and type to identify the correct adjustment limit
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Tractor protection and low-air warning tests
airbrakes An inoperative tractor protection valve is a major defect: with trailer supply valve closed and service brakes applied, no air should escape from the service-line coupler (glad-hand). The low-air warning system is a major defect if it fails to activate or activates before pressure drops below 55 psi — pump the brake pedal down and note when the warning (light or light and audible) activates.
Key Rules
- ✓Air escaping from the service line with supply valve closed indicates a defective tractor protection valve (major)
- ✓A low-air warning is a major defect if it fails or activates before 55 psi
- ✓Test the tractor protection valve with the trailer supply valve closed
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Door, coupler and safety chain inspection
combination A door meant for entry/exit failing to open is a minor defect; failing to close securely is a major defect. A coupler/mount with a loose or missing fastener is a minor defect. Fifth-wheel movement over 1/2 in. (13 mm) or pintle hook movement over 3/8 in. (10 mm) fore/aft is a major defect, as is a damaged coupler that fails to lock. A missing, wrong-type, or worn safety chain/cable is a major defect; chains must be hooked and crossed with a secondary hook.
Key Rules
- ✓Fifth-wheel play over 13 mm or pintle play over 10 mm is a major defect
- ✓A coupler that fails to lock properly is a major defect
- ✓Safety chains must be hooked and crossed; missing/wrong/worn chains are a major defect
- ✓A cab door failing to close securely is a major defect
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Exhaust, frame and fuel system defects
general A noticeable exhaust leak is a minor defect; an exhaust leak letting gases into the cab is a major defect (inspect running with hood open). Frame/cargo body damage such as cracked/bent parts is a minor defect, but shifted, cracked, collapsing or sagging frame members are a major defect. A missing fuel cap is a minor defect; an insecure fuel tank or dripping fuel leak is a major defect.
Key Rules
- ✓Exhaust gases entering the cab are a major defect; a general exhaust leak is minor
- ✓Shifted, cracked, collapsing or sagging frame members are a major defect
- ✓An insecure fuel tank or dripping fuel leak is a major defect; a missing fuel cap is minor
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Glass, mirror and hydraulic brake inspection
general Required mirrors or glass with broken or damaged attachments to the vehicle body are a minor defect — ensure all external mirrors and attachments are secure. For hydraulic brake systems, a minor defect exists when the brake fluid level is below the indicated minimum and the reservoir is less than one-quarter full; know the master-cylinder reservoir location and how to check fluid.
Key Rules
- ✓Broken or damaged required mirror/glass attachments are a minor defect
- ✓Brake fluid below minimum with reservoir under one-quarter full is a minor defect
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Exterior inspection procedure
airbrakes Exterior inspection is done with the parking brake engaged (for Class A and air-brake vehicles unless it must be released) and wheels chocked. You inspect four random items and must demonstrate/describe how to inspect, explain the possible defect(s), and describe what action to take for a minor or major defect.
Key Rules
- ✓Perform exterior inspection with parking brake engaged and wheels chocked
- ✓You must inspect four randomly generated items
- ✓For each item, describe the inspection, the defects, and the action to take