OOS Criteria

Question 1

Cab

Answer 1

• Cracked or broken windshield that obstructs drivers view
• missing or broken mirrors that obstruct the drivers view
• missing or broken windshield wipers
• missing or broken door latches
• seat belt torn, melted, broken buckles or loose mounting

Question 2

Chassis, axle, steering and suspension, driveline, wheels and tires

Answer 2

-Tires have cuts in sidewall that have penetrated the cord
-tires have tread depth of less than 4/32 or 2/32 at any two
adjacent major tread grooves
-suspension components are loose, broken, or missing
-wheels or rims are bent, broken, cracked, or has elongated bolts
-loose, missing, broken, cracked, stripped, or otherwise ineffective fasteners
-axle flanges have class 3 leak
-steering component has class 3 leak

Question 3

Engine System

Answer 3

• Engine has class 3 leak
• engine is overheating
• oil contains coolant
• oil is diluted with fuel
• fuel system component that has class 1 leakage of fuel
• stop engine light fails to turn off after engine is started

Question 4

Engine Cooling System

Answer 4

Cooling System has a class 3 leak

Coolant contains oil

Cooling System that exceeds max operating temperature

Question 5

Transmission

Answer 5

Automatic transmission that overheats in any range

Question 6

Electrical systems

Answer 6

Legally required lighting in not operational

Ignition system that is not operational

Charging system that is not operational

Siren or steady red that is not operational

Question 7

Braking system

Answer 7

Cut in does operate between 85-105
Cut out does not stop at 115-130
Static loses more that 2 psi
Applied loses more than 3 psi
Air gauge failed
Does not alarm at 55-75
Aux brake is oos

Question 8

Fire pump System oos

Answer 8

Pump will not engage
Pressure control is oos
Pump transmission components have class 3 leak
Throttle is oos