IFSTA - Chapter 2 Flashcards
NFPA 1002
Standard for Professional Qualifications for Fire Apparatus Driver/Operator
Provides qualifications for Driver/Operator - Apparatus Certification
PG 29
Maintenance
Keeping the apparatus in a state of usefulness or readiness
PG 29
Repair
To restore that which has become inoperable
PG 29
NFPA 1071
Standard for Emergency Vehicle Technician Professional Qualifications
Provides a basis to train and certify fire apparatus mechanics and fire department maintenance officers
PG 29
What routine tests, inspections, and servicing must driver/operators be able to perform? (11 Systems)
- Batteries
- Brakes
- Coolant system
- Electrical system
- Fuel system
- Hydraulic fluids
- Oil
- Tires
- Steering System
- Belts
- Tools, appliances, equipment
PG 30
NFPA 1911
- Standard for the Inspection, Maintenance, Testing, and Retirement of In-Service Automotive Fire Apparatus
- Determines “Out of Service” criteria
PG 31
Washing the apparatus
- First 6 months: vehicle should be washed frequently with cold water –> hardens the paint and keeps it from spotting
- Steps:
1. Garden hose to wet (avoid high pressure hose)
2. Rinse as much loose dirt away as possible
3. Apply soap (only approved cleaning products)
4. Do not rinse with hot water
5. Dry vehicle completely to prevent corrosion
PG 34
Glass Care
- Use warm soapy water or commercial glass cleaner
- Use paper towels or clean cloths (no shop towels that can still be dirty or have metal shavings, even after washing)
PG 34
Interior Cleaning
- Sweep/vacuum large, loose particles
- Use warm soapy water or commercial cleaning products on surfaces
- Avoid solvents such as lacquer thinner acetone, laundry soap, bleach
PG 35
Waxing
- Follow apparatus manufacturer’s instructions
- Wait until apparatus is 6 months old to apply these products
PG 35
Commercial Drivers’ License (CDL)
A driver’s license that is issued to individuals who demonstrate competence inspecting and driving vehicles with a Gross Vehicle Rating of 26,001 pounds or more
PG 36
“Circle” or “Walk Around Method”
An inspection method in which the driver or inspector starts at one point of the apparatus and continues in either a clockwise or counterclockwise direction inspecting the entire apparatus
Begin inspection at driver’s door
PG 36
Operational Readiness Inspection
Inspecting an apparatus and equipment on the apparatus to ensure that all equipment is in place, clean, and ready for service
PG 36
Pretrip Road Worthiness Inspection
A visual inspection of an apparatus to ensure the major components of the chassis are present and in proper working condition
PG 36
Functional Check
An inspection where a certain system or component of an apparatus is operated to ensure that it is functioning properly
PG 36
Tires Check
- Tire Types: All tire types should match (type, size, weight ratings); never mix radial tires with bias-ply tires
- Tire Condition: Check for proper tread depth, tread separation, cupping, excessive wear on sidewalls, cuts, dry rotting, cracking, objects
- Tire Inflation: Make sure tires are inflated to the apparatus manufacturer’s recommended tire pressure
PG 38
Interior Inspection
- Adjust mirrors, seats, and seat belts
- Start engine to check all dashboard instruments for correct readings
- Check miscellaneous equipment stored in cab
PG 40
Load Management System
An electrical monitoring system that will shed electrical load in a predetermined order if the chassis voltage begins to drop below a predetermined level
Prevent an overload of a vehicle’s electrical generation system
PG 40
Overload
- Operation of equipment or a conductor in excess of its rated ampacity
- Continuous overload may result in overheating that damages the equipment
PG 40
Load Sequencer
Device in an electrical system that turns lights on at specified intervals, so that the start-up load for all the devices does not occur at the same time
PG 40
Load Monitor
Device that “watches” an electrical system for added loads that may threaten to overload the system
PG 40
Load Shedding
When an overload condition occurs (identified by the Load Monitor), the load monitor will shut down less important electrical equipment to prevent overload
PG 40
Manual Shift Transmission
A component of the power train that receives torque from the engine and converts it to rotation of the wheels. A clutch is used to disengage the transmission from the engine to allow the apparatus to start, stop, or change gears to maximize engine performance
PG 41
Free Play (AKA Free Travel)
Amount of travel the clutch has before it begins to disengage the engine from the transmission
PG 41
Throw-Out Bearing
The component used to push on the internal clutch fingers connected to the clutch pedal and when activated, disengages the clutch from the engine
PG 41
Steering Wheel Play
In a steering system, the amount of travel between turning the wheel and when the steering system moves
Should be no more than 10 degrees in either direction
PG 41
Gross Vehicle Weight Rating (GVWR)
The maximum weight at which a vehicle can be safely operated on roadways in ideal conditions
NFPA 1911: Side to side variance in weight should not exceed 7%
PG 41
Hydraulic Braking System
A braking system that uses a fluid in a closed system to pressurize wheel cylinders when activated
PG 42
Antilock Braking System
- An electronic system that monitors wheel spine.
- When braking and a wheel is sensed to begin locking up, the brake on that wheel is temporarily released to prevent skidding
- On modern vehicles 1990 and newer
PG 42
Air-Actuated Braking System
A braking system that uses compressed air to hold off a spring brake (parking brake) and applies air pressure to a service brake for vehicle stopping
Apparatus with air brakes are to be equipped with an air pressure protection valve that prevents air horns and other nonessential devices from being operated when the pressure in the air reserve drops below 80psi
PG 42
Air Brake Test
- A series of tests used to ensure the serviceability of an air braking system
- Tests include air loss, air compressor build up, air warning, and emergency parking brake activation
PG 43
Slack Adjusters
Devices used in an air brake system that connect between the activation pads and the brake pads that compensate for brake pad wear
PG 43
Tilt Cab
A truck that uses a cab that lowers over the power train
PG 44
Post-Maintenance/Repair Inspection
A specific inspection to an area of a chassis or apparatus to ensure that the unit is operating properly in accordance with the manufacturer’s initial design
PG 48
Regular maintenance for a diesel particulate filter (DPF) consists of ________ ?
Completing a regeneration cycle
PG 45
How will keeping apparatus clean help the driver/operator to fulfill the responsibilities of his/her position?
Facilitate inspection of the vehicle
PG 32
What does the SAE number of a lubricant indicate?
Viscosity
PG 46
Society of Automotive Engineers (SAE) number for engine oil
Indicates ONLY the viscosity of the engine oil
PG 46
During the daily road brake test, stopping distance should not exceed ________ feet?
20 Feet
PG 62
A slack adjuster is part of a _________ system?
Brake
PG 43-44
What are the two types of inspections performed during the walk-around inspection?
- Operational readiness inspection
- Pretrip road worthiness
PG 36
What is the primary basis for proper tire selection for apparatus?
Gross axle weight rating
PG 38
A throw-out bearing is part of a _______ system?
Clutch
PG 41
Where does the walk-around inspection begin?
Driver’s cab door
PG 36, 38
The positive battery post is usually ________ (color)?
Red
PG 67
The negative battery post is usually ________ (color)?
Black
PG 67
Which device manages the start-up load of the electrical system by activating electrical devices at timed intervals?
Load sequencer
PG 40
The air pressure protection valve should activate when air reservoir pressure drops below _________ psi?
80 psi
PG 63
An air pressure protection valve will prevent what from operating?
Activation of air horn
PG 43
What inspection/procedure should be performed primarily on a weekly basis?
Flush the pump with clear water
PG 72
Which term means, “inspecting an apparatus and its equipment to make sure everything is present and ready for use”?
Operational Readiness Inspection
PG 36
What type of water should be used in non-maintenance free automotive batteries?
Distilled
PG 46
During the air pressure buildup test, after air pressure has been run down and the engine restarted, operational pressure must be reached within ________ seconds?
60 seconds
PG 63
Which statement about clear-coat protective finishes is correct?
They may be damaged by the application of wax or polish
PG 35
The NFPA requires the side-to-side vehicle weight imbalance cannot exceed _________ %?
7%
PG 42
During the air brake system check, the parking brake should automatically set when system pressure drops to __________ ?
20-40psi
PG 61,63
What should be checked while the engine is running?
Automatic Transmission Fluid
PG 44,65
During the air brake system check, the low air pressure warning light and buzzer should activate before pressure drops below _________ psi?
60psi
PG 61,63
The paint and clear-coat of a new apparatus require special care for about _______ months after it is received?
6 months
PG 33
What is the name for the weight of an empty fire apparatus as it comes off the assembly line?
Curb Weight
PG 41
The air brake compressor should cut out at _________ psi?
120-130 psi
PG 61,63
Which gas emitted by automotive batteries may create an explosive hazard?
Hydrogen
PG 47
When are apparatus tires to be replaced?
Replacement is required every 7 years, regardless of condition
PG 39
During the air brake system test for a tractor-drawn apparatus with the brake pedal depressed, pressure lost should not exceed ________ psi over one minute?
4 psi
PG 61,63
What inspection/procedure should be done on a daily basis?
Check the priming oil tank fluid level
PG 69-71
What type of check is commonly performed from the cab?
Functional check
PG 36
What is the likely result of excessive free play in a clutch pedal?
Harsh, clashing gear shifting
PG 41
A detailed, systematic vehicle maintenance program should be part of a department’s __________ ?
Standard Operating Procedures (SOP’s)
PG 30
What device prevents an electrical system overload by shutting down low-priority systems before an overload occurs?
Load monitor
PG 40
What is the likely result of insufficient free play in a clutch pedal?
Premature wear of the clutch
PG 41
The road brake test is performed at which speed?
5mph
PG 62
After releasing sufficient air pressure to automatically set the air brake control, upon starting the engine, pressure should rise to normal within ________ seconds at full engine RPM?
45 seconds
PG 61,63
During the air brake system test, for a straight-chassis vehicle with the brake pedal depressed, pressure loss should not exceed ________ over one minute?
3 psi
PG 61,63
The parking brake testis performed at which speed?
5mph
PG 62
Checking to ensure that exhaust pipe wrapping is intact is of critical importance for engines equipped with a ___________ ?
Diesel particulate filter
PG 45
For which level of repair or maintenance are driver/operators commonly responsible?
Correction of minor deficiencies
PG 30
What should be avoided when washing a new fire apparatus?
A garden hose nozzle
PG 33-34
