Podcast
Questions and Answers
What is a class 1 leak?
What is a class 1 leak?
- Drops or puddle underneath leak
- Forms a drop but does not drip
- Wetness around leak (correct)
- No visible leak
What is a class 2 leak?
What is a class 2 leak?
- No visible leak
- Wetness around leak
- Drops or puddle underneath leak
- Forms a drop but does not drip (correct)
What is a class 3 leak?
What is a class 3 leak?
- Dropping or puddle underneath leak (correct)
- Forms a drop but does not drip
- No visible leak
- Wetness around leak
Who is responsible for safety?
Who is responsible for safety?
What is the second most common cause of injury or deaths in the fire service?
What is the second most common cause of injury or deaths in the fire service?
When will seat belts be worn?
When will seat belts be worn?
When will you have a spotter?
When will you have a spotter?
When driving in emergency and non-emergency situations, you should always...?
When driving in emergency and non-emergency situations, you should always...?
What is one factor that needs to be accounted for when considering the scene?
What is one factor that needs to be accounted for when considering the scene?
What code of federal regulations regulates apparatus inspection?
What code of federal regulations regulates apparatus inspection?
Why is it important to do paperwork?
Why is it important to do paperwork?
What parts of CFR Title 49 mandate apparatus maintenance?
What parts of CFR Title 49 mandate apparatus maintenance?
What are you checking in the driver and crew areas of the apparatus?
What are you checking in the driver and crew areas of the apparatus?
According to NFPA, a cracked or broken windshield would put an apparatus out of service if what?
According to NFPA, a cracked or broken windshield would put an apparatus out of service if what?
According to NFPA, would an apparatus be out of service if the defrosters were broken?
According to NFPA, would an apparatus be out of service if the defrosters were broken?
How should inspections and maintenance be conducted?
How should inspections and maintenance be conducted?
What is troubleshooting?
What is troubleshooting?
Can a SOP exceed manufacturer's recommendations?
Can a SOP exceed manufacturer's recommendations?
Code of federal regulations is what law?
Code of federal regulations is what law?
49 CFR part 390 is what?
49 CFR part 390 is what?
49 CFR part 396 is what?
49 CFR part 396 is what?
What is in the manila envelope we keep in all KCFD vehicles?
What is in the manila envelope we keep in all KCFD vehicles?
Can inspection take an apparatus out of service?
Can inspection take an apparatus out of service?
What is the department that sets the standards?
What is the department that sets the standards?
If you have a class B license you can drive what vehicles?
If you have a class B license you can drive what vehicles?
What is the minimum license required to operate fire department vehicles?
What is the minimum license required to operate fire department vehicles?
What gives us code 3 authorization?
What gives us code 3 authorization?
How far does one burning red warning lamp in the front of the apparatus need to be visible for?
How far does one burning red warning lamp in the front of the apparatus need to be visible for?
What beams can be flashing high beams?
What beams can be flashing high beams?
What do you use the horn for?
What do you use the horn for?
How far away do you need to be when following emergency vehicles?
How far away do you need to be when following emergency vehicles?
Can you pass a school bus if the stop sign is out and you are going code?
Can you pass a school bus if the stop sign is out and you are going code?
CVC section 21055 covers what?
CVC section 21055 covers what?
When is the driver exempt from the standard rules of the road?
When is the driver exempt from the standard rules of the road?
What does CVC section 21056 mean?
What does CVC section 21056 mean?
What would be some indicators of steering problems?
What would be some indicators of steering problems?
What could cause the front end to pull right or left, apparatus drift right or left, or be hard to steer?
What could cause the front end to pull right or left, apparatus drift right or left, or be hard to steer?
What could be one possible cause of growling or whining coming from the rear axle?
What could be one possible cause of growling or whining coming from the rear axle?
What are you looking for on the radiator?
What are you looking for on the radiator?
The radiator is part of what system?
The radiator is part of what system?
The auxiliary heat exchanger is part of what system?
The auxiliary heat exchanger is part of what system?
What class leak would put the cooling system out of service?
What class leak would put the cooling system out of service?
What class leak would put a diesel fuel component out of service?
What class leak would put a diesel fuel component out of service?
The air filtration system consists of what?
The air filtration system consists of what?
What are you inspecting for on the exhaust system?
What are you inspecting for on the exhaust system?
What are you looking for in the belt system?
What are you looking for in the belt system?
What is the proper adjustment for belts?
What is the proper adjustment for belts?
According to NFPA, what would cause the apparatus to be out of service with the belt system?
According to NFPA, what would cause the apparatus to be out of service with the belt system?
What could cause a loud engine knock with dramatic and sudden drop in oil pressure in the lubrication system?
What could cause a loud engine knock with dramatic and sudden drop in oil pressure in the lubrication system?
What could cause sudden loss of power without increase in engine noise in the air system?
What could cause sudden loss of power without increase in engine noise in the air system?
What could be a possible correct action to failure of pressure tube from exhaust that drives turbocharger?
What could be a possible correct action to failure of pressure tube from exhaust that drives turbocharger?
What could cause a sudden increase in exhaust noise?
What could cause a sudden increase in exhaust noise?
What could cause a gradual increase in exhaust noise starting as a slight ticking noise?
What could cause a gradual increase in exhaust noise starting as a slight ticking noise?
What is a possible cause for an automatic transmission leaking fluid when in gear?
What is a possible cause for an automatic transmission leaking fluid when in gear?
What could cause the automatic transmission to not engage while the engine is running?
What could cause the automatic transmission to not engage while the engine is running?
What does the ELMS prevent?
What does the ELMS prevent?
What is the voltage of most fire apparatus?
What is the voltage of most fire apparatus?
What is the basic theory of electricity?
What is the basic theory of electricity?
Voltage is defined as what?
Voltage is defined as what?
Current is defined as what?
Current is defined as what?
How many milliamps does it take to stop your heart?
How many milliamps does it take to stop your heart?
What is current measured in?
What is current measured in?
What is resistance defined as?
What is resistance defined as?
What is a series circuit?
What is a series circuit?
What does a parallel circuit provide?
What does a parallel circuit provide?
What does a voltmeter measure?
What does a voltmeter measure?
What does an ammeter measure?
What does an ammeter measure?
What are batteries?
What are batteries?
How much play can a steering wheel have?
How much play can a steering wheel have?
On a 20 inch steering wheel, how much play can be in it?
On a 20 inch steering wheel, how much play can be in it?
According to NFPA, how deep does a cut in the sidewall need to be to put the vehicle out of service?
According to NFPA, how deep does a cut in the sidewall need to be to put the vehicle out of service?
What is the minimum tread depth for a steering tire and non-steering tire?
What is the minimum tread depth for a steering tire and non-steering tire?
How many leaf springs can be missing or broken?
How many leaf springs can be missing or broken?
What class leak would put a vehicle out of service from the axle, axle flanges, or a steering component?
What class leak would put a vehicle out of service from the axle, axle flanges, or a steering component?
Who can repair brake components?
Who can repair brake components?
What could be a possible cause of excessive governor cut in/out?
What could be a possible cause of excessive governor cut in/out?
If you have an air leak reading the 2 PSI in one minute when the brakes are not applied, what should you do?
If you have an air leak reading the 2 PSI in one minute when the brakes are not applied, what should you do?
What are examples of auxiliary equipment that would need inspection and basic maintenance?
What are examples of auxiliary equipment that would need inspection and basic maintenance?
What can inspection and maintenance records be used for?
What can inspection and maintenance records be used for?
What type of braking system do most modern large apparatus have?
What type of braking system do most modern large apparatus have?
What does the compressor do in an air brake system?
What does the compressor do in an air brake system?
What does the governor do on an air brake system?
What does the governor do on an air brake system?
What does the treadle valve or master control valve do?
What does the treadle valve or master control valve do?
Where is the safety relief valve located and what does it do?
Where is the safety relief valve located and what does it do?
What types of air brakes are there?
What types of air brakes are there?
What are the types of disc/drum brakes?
What are the types of disc/drum brakes?
When will the low air alarm go off?
When will the low air alarm go off?
When will the spring brakes engage?
When will the spring brakes engage?
Why are there dual air brake systems?
Why are there dual air brake systems?
What does the COLA test consist of?
What does the COLA test consist of?
What psi should the compressor cut in at?
What psi should the compressor cut in at?
What psi should the compressor cut out at?
What psi should the compressor cut out at?
How many psi can you lose in 1 minute for the applied pressure test?
How many psi can you lose in 1 minute for the applied pressure test?
What are secondary braking systems referred to as?
What are secondary braking systems referred to as?
How often does the air compressor and governor need to be tested?
How often does the air compressor and governor need to be tested?
How much throw should you have in a slack adjuster?
How much throw should you have in a slack adjuster?
What are you looking for when looking at the slack adjusters?
What are you looking for when looking at the slack adjusters?
What are you looking for when inspecting brake drums and shoes/discs and pads?
What are you looking for when inspecting brake drums and shoes/discs and pads?
How much pressure do you need in the air tanks before safely operating the apparatus?
How much pressure do you need in the air tanks before safely operating the apparatus?
How do you test hydraulic brakes?
How do you test hydraulic brakes?
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Study Notes
Leak Classifications
- Class 1 Leak: Wetness around the leak.
- Class 2 Leak: Forms a drop but does not drip.
- Class 3 Leak: Drops or puddle underneath the leak.
Safety Responsibilities
- Safety is the primary responsibility of the driver operator.
- Motor vehicle accidents are the second leading cause of injuries and deaths in the fire service.
Seatbelt and Spotter Usage
- Seatbelts must be worn at all times except during patient care in the back of an ambulance.
- A spotter is required whenever backing up.
Driving Protocols
- Always drive defensively, following state, local, and departmental regulations during both emergency and non-emergency situations.
Apparatus Considerations
- Apparatus positioning is crucial when assessing the scene.
- CFR 49 regulates apparatus inspection; Parts 390 and 396 mandate maintenance.
Inspections and Documentation
- Detailed inspections of seats, seat belts, controls, windows, doors, and mirrors are necessary.
- Proper paperwork is essential; if it’s not documented, it’s considered not to have happened.
Out of Service Criteria
- A cracked or broken windshield must obstruct the operator's view to put an apparatus out of service.
- Defrosters being broken will also put an apparatus out of service.
- Class 3 leaks would also result in service disqualification.
Licensing and Driving Requirements
- A Class B license permits driving vehicles over 26,000 lbs, buses (with endorsements), and farm labor vehicles (with endorsements).
- The minimum license to operate fire department vehicles is a Class C with a firefighter endorsement.
Emergency Vehicle Statutes
- Code 3 authorization comes from the California Vehicle Code.
- A single burning red warning lamp must be visible from 1,000 ft.
Driving Regulations
- Drivers must maintain a minimum distance of 300 ft when following emergency vehicles.
- Passing a school bus with an extended stop sign is prohibited, even in emergency conditions.
- Section 21055 covers exemptions for authorized emergency vehicles.
Vehicle Maintenance Issues
- Indicators of steering problems include front-end pulling, drifting, or difficulty steering.
- Issues causing steering difficulties may include alignment issues, low tire pressure, or axle misalignment.
- Visual inspections of radiators are necessary to check for leaks, damage, and coolant quality.
Electrical Systems
- Most fire apparatus operates on a 24-volt system.
- Voltage is electrical pressure, while current, measured in amperes, is the rate of electron flow.
- Resistance is the opposition to current flow.
Brake System Maintenance
- Most large modern apparatus employ air brakes.
- Proper adjustment for belts allows up to 3/4 of an inch of play.
- Safety relief valves in air brake systems prevent overpressure.
Air Brake Specifications
- The low air alarm activates between 55-75 psi.
- Spring brakes engage at 20-45 psi.
- Dual air brake systems enhance safety.
Daily Checks and Recommended Procedures
- Daily testing of the air compressor and governor is essential.
- Slack adjusters should have a maximum throw of two inches, and should be visually inspected for angle requirements during operation.
General Maintenance and Inspection
- Focus areas during inspections include auxiliary equipment like generators and pumps, brake components, and hydraulic systems.
- Maintain accurate records for warranty claims and recurrent repairs.
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