apparatus operator Flashcards by Brent Manfred

firefighter injuries from accidents annually

1000-1300

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civilian injuries annually from firefighters driving

deaths?

650

20 to 30

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percent of firefighter deaths because of driving

33%

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what percent of crashes result in rollovers?

collisions at intersections

20%

60%

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two major causes of accidents

lack of forethought

speed

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number one cause of collisions

human error

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5 Keys to the Smith safe driving system

aim high in steering

get the big picture

keep your eyes moving

leave yourself an out

make sure they see you

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total stopping distance takes into account what?

perception time

decision reaction time

air brake lag

braking distance

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how do you calculate travel distance (reaction distance) 3/4 second

add the first digit of your speed to your speed

ex. 55mph 55+5=60 feet per 3/4 second

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when the vehicle speed doubles the destructive force does what?

four times the force

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following distance in seconds?

how many seconds following distance do you add when driving code 3?

1 second

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keys to accident avoidance

recognize a hazardous situation

formulate a defense

act in time to avoid the accident

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belt tension

no more than 3/4”

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what percent of leaf springs can be broken cracked of missing?

25% or less

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last notch on the brake pad wear tab

1/4”

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angle of slack adjuster when brakes applied?

90 degrees

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how much slack on adjuster when pulled ?

1 inch

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tire cuts not to exceed

1 inch

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tire inflation on type 1

100-120

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tread depth front tires

4/32

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rear tire tread depth

2/32

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are re tread tires allowed?

on non steering axels

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what two types of tires on rear?

radial or bias

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normal volt range

12 to 14

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normal water temp

170-210

normal oil pressure

35-75

normal trans temp

below 250

steering wheel play

10 degrees or 2 inches in 20" wheel

Air Brake Pneumonic

Gov cut out Gov cut in **S**tatic **A**pplied **L**ow air **P**op out **A**ir recovery **T**ug

max cut out

130

max cut in

static air test max drop

no more than 2 psi in 60 seconds

applied air test max drop

3 psi in 60 seconds

low air warning

55-75

pop out

20-45

max time for air recovery

45 seconds to go from 85 to 100 psi at high idle 1200rpm

tug test emergency brake

pull up chock fasten seat belt and press accelerator

tug test service brakes

press brake release parking brake with hands off steering wheel apply brakes. note any movement of wheel

what NFPA code does the daily and weekly cover

1002

daily done before when? how long should it take

830 15-20 min

pump discharge at idle

50 psi

weekly should take how long?

1-2 hours

equipment ran on weekly for a minimum of

5 minutes

monthly inspection items do these when

drain tank flush pump clean all compartments clean engine and pump clean interior wax apparatus extended maint on equipment 2 or so on each weekly

apparatus repair types

non emergency emergency

6 month service level 12 month 24 month

d e f

per the app manual where can we find out about repairs that were done to a vehicle or when the service is due

county vehicle ops website

how much longer does it take to stop on wet or icy pavement?

3-15 times longer

type 3 weight

33000 lbs

water tender 22 and 32 weight

31,000

on type 3 shifting from high to low does what?

cuts axel speed in half and doubles torque

how fast can you travel when engaging front axel on type 3?

below 10 mph

how do you switch to low or hi?

stoped with trans in neutral and brake set.

calculating slope?

rise/run x 100 =% of slope

45 degree slope=

100% slope roughly 1% = 1/2degree

max slope for a brush truck up or down

35-40% or 22-25 degrees

side slope use caution after side slope max tilt table tested up to ?

15 degrees 25 degrees 31 degrees

water weights how much per gallon

8.35

airing down to 30 psi increases the footprint how much percent

65%

length of tow chain on type 3 what size ? breaking strength

20 ' 3/8 19,800

collapse zone size?

1 1/2 the height

parallel batts do what? series does what?

increase amps increase volts

rotor size on KME

17 "

rear brake type on type 1

drum with s cam automatic slack adjuster

generator output

1500 watts

5 componets of the air brake system?

compressor air tank foot valve brake chambers brake drums and rotors

pump rated at

500 gpm at 150 psi

brush truck foam pump?

foam pro .1-1%

water tender 18 weight

64000

nfpa 1901

standard for automotive apparatus

nfpa 1911

standard for maintenance and service of fire apparatus

C O L A pop

**C**ut in 85-100 **O**ut 130 **L**ow air 50-75 **A**pplied pressure 3 psi in 60 seconds pop 20-45