Aerial 4 Flashcards by Charles M

NFPA 1002

Standard on fire apparatus driver operator professional qualifications

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($$$$$$$) requires that driver to have certain preventive maintenance skills.

NFPA 1002

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($$$$$$) means keeping the apparatus in a state of usefulness.

Maintenance

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($$$$$) to restore or replace parts on components which have become inoperable.

Repair

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NFPA 1071

Standard for emergency vehicle tech notion professional qualifications

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NFPA 1911

Standard for inspection, maintenance, testing and retirement of in service automotive fire apparatus

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($$$$$) establishes guidelines for record keeping practices.

NFPA 1911

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A ($$$$$) permit proper inspection which helps to ensure efficient operation.

Clean engine and clean functional parts.

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For at least ($$$$), wash a new apparatus with COLD water to harden the paint and keep it from spotting.

6 months

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Set the desired water pressure (washing) so that the stream from the hose is effective a approximately no more than ($$$$) FRO the surface of the apparatus.

1 foot

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If wax or polish is required, it should not be applied to the apparatus until the paint is at least ($$$$).

6 months old

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APPLIED AIR LOSS:
with engine off, transmission in neutral, full air tanks, and parking beak released, press break pedal to floor. Note position of needles. After one minute, air pressure should not drop more than ($$$$$)

3 psi

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LOW AIR WARNING DEVICES
With engine off and master switch on, pump the break pedal continually to lower air pressure. Warning light and buzzer should activate before ($$$$$)

60 psi

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AIR BREAK AUTOMATIC ACTIVATION “pop out”
…. With parking breake released continue to pump air break pedal until air break control sets automatically. (Some times called pop out). This should occur between ($$$$$$$)

20 and 40 psi

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AIR COMPRESSOR CUT IN CUT OUT
start engine and let air pressure build up to normal. When the needle stops climbing the air compressor has CUT OUT. this should occur between ($$$$$). Apply the break pedal by lowering the tanks in by ($$$$) until the needle on the air gauge begins to move upwards. This indicates CUT IN and must occur no lower than ($$$$$)

125 and 130 psi
5 to 10 psi
85 psi

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PARKING BREAK TEST
with the engine running, apply parking break. Place transmission in drive and add acceleration. The parking break should prevent movement of the vehicle.

Parking break test

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SERVICE BREAK TEST
Release the parking break, move the vehicle about ($$$$$) and apply the breaks with the service break pedal. Any pull in the steering, unusual feel, or delay in stopping action must be reported and checked.

5 mph

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Air pressure gauge needles
Primary needle:($$$$$)
Secondary needle:($$$$$$)

White or green

Red or yellow

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(TIRES)
Size code for example 315/80r/22.5
3 digit number = (\$\$\$\$\$\$$)
Next number = (\$\$\$\$\$\$)
Next letter = (\$\$$)
Last number = (\$\$\$\$\$\$)

Tire width in millimeters
Comparison of height to width in percent
Construction type e.g. Radial
Size of wheel rim

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TIRE

maximum safe speed rating often in letter code:

E.g. Q = 100 mph

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($$$$$$) the maximum weight at which a vehicle can be safely operated on roadways.

Gross vehicle weight rating ( GVWR)

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($$$$$$$) the weight of an empty fire apparatus off the assembly line with no tools, water, equipment, or passengers.

Curb weight

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($$$$$$) refers to the distance an activation device such as a wheel or a lever, will move while system it is part of is inactive.

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Free play

In general steering wheel play should be no more than ($$$$$$$) in either direction.

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10 degrees

As a rule of thumb it is is genially best to keep the fuel tank at at least ($$$$$) full at all times. It is better yet to top off fuel tanks at the beginning of each work shift.

Three quarters

Personnel should wear hearing protection if any personnel will be exposed to noise levels in excess of ($$$$$)

90 decibels

The ($$$$) turns various lights on at specified intervals so that the start up electrical load for all of the devices does not occur at the same time.

Load sequencer

The ($$$$$$) watches the system for added electrical loads that threaten to over load the system.

Load monitor

When an over load condition occurs, the load monitor will shut down less important electrical equipment to prevent the overload. This is referred to as ($$$$$$$)

Load shedding

The two most important safety inspections that the driver operator will preform everyday are to make sure the apparatus has no compromise to the ($$$$$) and that the apparatus will ($$$$$).

Steering system | Stop.

Apparatus with air breaks are equipped with an (air pressure protection valve). That prevents the air horns and other unnecessary peripherals from being operated when the pressure in the air reservoir drops below ($$$$$).

80 psi

($$$$$$) highlights methods for completing annual break checks.

NFPA 1911

When the system is full, shut down the engine and note any loss of pressure. Air pressure loss should not be more than ($$$$$) per minut.

2 psi

With the engine running air pressure should build for 85 psi to 100 psi in about ($$$$)

45 seconds

Since there is No way to know if condensation is present, drain air pressure tanks at least ($$$$$).

Once a week

The ($$$$$$) number indicates only the oils viscosity.

SAE

Apparatus test can be grouped into two basic categories: ($$$$$) and ($$$$$).

Pre service test | Service test

($$$$$$$) are usually conducted at the manufacturers facility.

Pre service

($$$$$$$$) must be preformed by third party testing agency personnel who are subject to the mutual approval of the manufacturer and the purchaser.

Certification test

($$$$$) are conducted on at least a yearly basis while the apparatus is in service.

Service.

($$$$$) is defined as a testing method(s) that does not physically alter or damage the materials.

Non destructive testing

Any person who is actually performing nondestructive testing must be certified as an ($$$$$$$$$$) in the method preformed.

AMERICAN SOCIETY OF NON DESTRUCTIVE TESTING (ASNT) level II NDT technician

Any third party employed to do nondestructive testing must comply with the standards set forth in the ($$$$$$$$$$).

AMERICAN SOCIETY FOR TESTING MATERIALS (ASTM) standard E543, stand practice for evaluating agencies that preform nondestructive testing.

($$$$), ($$$$) and ($$$$$$) are scientific test procedures used during the performance of aerial apparatus pre service and service testing.

Load testing Nondestructive testing Operational testing

($$$$) is used to determine whether or not an aerial device is capable of safely handling the amount of weight it is rated to carry.

Load testing

Load testing is a good indication that a ($$$$$) can be supported at the tip of a fully extended aerial ladder or in the basket of an elevated platform.

Static (non moving) load

A fire fighter stepping on an aerial from a window or roof which causes an impact load on an aerial device. A 200 pound firefighter jumping 3 feet to an aerial device can cause an impact load in excess of ($$$$$$)

700 pounds

($$$$$) involves any one of several testing methods used to inspect structural components without physically altering, placing under load stresses, or otherwise damaging or causing wear to the component.

Nondestructive testing

($$$$$) is performed on accessible welds and steel components. This test method involves magnetization of the area to be testes. These magnetic poles will attract iron powder applied to the surface. Collections of the powder on the surface reveals flaws and defects.

Magnetic particle inspection

($$$$$$$$) aluminum ladders can be non destructively tested through the registration of hardness and by taking conductivity readings throughout the length of the ladder. A wide divergence in these readings indicates a change in the integrity of the material in that area.

CONDUCTIVITY READINGS

($$$$$) a further examination of the suspect areas involves ($$$$$$$$). In this method, the surface of the test material is saturated with dye or fluorescent penetrant, and a developer is applied.dyes bleed visibility to the surface indicating defects, fluorescents show the defect area under ultra violet light.

Liquid penetrant test

($$$$$$$) is preformed on stabilizer pins and mounting bolts, rotation bolts, aerial hinge pins nd aerial support structure mounting bolts. This procedure in valve the introduction of frequency vibrations .

Ultra sonic inspection

($$$$$) utilize X-ray technology to check the integrity of welds that are used to construct the aerial device.

Radio graphic testing.

($$$$$$$) is accomplished by the use of one or more of a family of hardness test to check the composition of the metal components to determine if any significant changes have occurred.

Hardness testting

($$$$) use special equipment that identifies flaws in an aerial device by emitting sound waves into the device and reading them at a distant point.

Acoustic emissions inspections.

($$$$$$$) is commonly preformed after the apparatus has been delivered to the purchaser but before the final acceptance has been given.

Acceptance testing

Aerial 4 Flashcards

(56 cards)