off road attachments A-B

Question 1

what does FOPS stand for

Answer 1

Falling object protection system

Question 2

what does ROPS stand for

Answer 2

roll over protection system

Question 3

what is the purpose of FOPS

Answer 3

to protect the operator from falling debris or objects

Question 4

what is the purpose of a ROPS

Answer 4

to protect the operator in the event of a roll over situation

Question 5

ROPS will not protect the operator unless

Answer 5

the operator is wearing their seat belt

Question 6

what are the two organizations used to set the requirements of ROPS and FOPS

Answer 6

occupational health and safety

society of automotive engineers

Question 7

what must be considered when mounting accessories to a ROPS or FOPS

Answer 7

they must not alter the structural integrity of the ROPS or FOPS

Question 8

what must be considered when repairing a damaged ROPS or FOPS

Answer 8

consultation with manufacturer or a professional engineer to ensure repairs will not affect structural soundness

Question 9

when removing a ROPS or FOPS that make up a cab what must be considered and what precautions must be taken

Answer 9

proper rigging . failure to control the cab during removal could result in damage to cab assembly . ground area under cab must be clear of personal

Question 10

what is the purpose of spending significant money on a fire suppression system

Answer 10

because machine repairs and down time are very costly . larger the machine the more expensive the repairs and down time due to fire damage

Question 11

what are five components that make up the fire suppression system

Answer 11

actuators . sensors . lines and nozzles . storage cylinders . gas pressured cylinders

Question 12

what are the two common fire suppression chemicals

Answer 12

monoammonium phosphate dry chemical . good for A-B-C fires

aqueous film forming foam . good for A-B fires

Question 13

how is a manual fire suppression system activated

Answer 13

by a push button or switch in the cab . or on either side of the machine at ground level by ground personal

Question 14

what is the purpose of a hand held fire extinguisher on a machine with auto fire suppression

Answer 14

to add fire suppressant to any spot that might require more and to control flair ups after the fire has been put out

Question 15

what are the two types of sensors used on mobile equipment fire suppression systems

Answer 15

linear detection wire . spot sensors

Question 16

linear detection wires operate by

Answer 16

creating a electrical short by deforming when exposed to high heat

Question 17

spot sensors operate by

Answer 17

detecting heat build up in specific locations around the machine

Question 18

what are three points of interest pertaining to fire suppression nozzles

Answer 18

slotted end for dispersal
protective cap to keep out dirt and debris
orientation to provide the best coverage

Question 19

what are the activation steps of a fire suppression system

Answer 19

alarm sounds - engine shut down - initiate hydraulic tank venting - automatically actuate the fire suppressant

Question 20

what are three factors that could result in personal injury from fire suppression systems

Answer 20

chemical agents - dispersant gases - system pressure

Question 21

what are the two types of dispersant gasses used in fire suppression

Answer 21

nitrogen

carbon dioxide

Question 22

when disabling fire suppression system for maintenance

Answer 22

place seals on actuator pins - remove fire suppression ECM battery - remove fuse / breaker suppling power to the system

Question 23

what are four checks to be completed on a fire suppression service

Answer 23

check gas and chemical cylinders ( every six months ) blasting caps ( replace every five years ) hoses ( check for oil damage rubbing ect ) fluff dry chemical ( every service )

Question 24

why is backblading considered poor practice with dozer blades

Answer 24

because it prematurely wears cutting edges and dozer blades

Question 25

what is the purpose of the dozer C frame

Answer 25

mount the dozer blade and transfers impact forces through the side frames

Question 26

what are the two positions a dozer blade is commonly used in

Answer 26

carry and brake out

Question 27

what is the purpose of a cutting edge and corner bit

Answer 27

protects the dozer blade - penetrates the ground - provides a changeable wear surface

Question 28

what is a ripper

Answer 28

a large shank with a tooth to penetrate the ground and brake up hard ground

Question 29

what are the three main components used to move soil by a scraper

Answer 29

bowl -ejector - apron - cutting edges

Question 30

what is the purpose of a elevator on a scraper

Answer 30

to allow the scraper to load and unload itself evenly

Question 31

what are the purpose of the corner cutting edges or end bits on a motor grader

Answer 31

to protect the moldboard from impact damage in rocky conditions

Question 32

what is another name for the blade on a grade

Answer 32

moldboard

Question 33

what is the difference between a ripper shank and a scarifier shank

Answer 33

a ripper shank penetrates the ground deeply to break up hard ground . scarifier shanks rough up the top surface of the ground or ice

Question 34

what are the common attachments used on a grader for snow

Answer 34

snow wing - v plow - straight blade

Question 35

what is the purpose of bolting cutting edges to the side of a bucket

Answer 35

to protect the bucket from damage and wear during digging operations

Question 36

what is the purpose of shanks on a bucket

Answer 36

to provide structural strength for the tooth points during digging

Question 37

what type of terrane would a bucket require wide point tooth

Answer 37

when digging in soft ground and to minimise spillage

Question 38

what are some precautions to take when installing cutting edges

Answer 38

wear PPE - never use your fingers to align bolt holes - cutting edges are heavy use co workers or crane for help

Question 39

why is metal to metal contact important when installing cutting edges

Answer 39

so the mounting fasteners will not loosen over time during operation

Question 40

when would bolt on cutting edges be used vs weld on

Answer 40

when ground penetration is less of a problem

Question 41

what might be some causes for ripper tooth breakage

Answer 41

tip to long for conditions - shank protector missing - wrong shank angle

Question 42

how are bolts tightened on cutting edges

Answer 42

from the center out with proper torque spec

Question 43

what is the purpose of hitting the heads of the bolts with a sledge

Answer 43

to seat the bolts into the reses and then re torque

Question 44

what are the two types of ripper designs

Answer 44

hinge type - ( has a constantly changing angle in the ground ) parallelogram type ( provides a constant ripper angle )

Question 45

what is hard surfacing used for

Answer 45

its is crossed hatched welding that allows dirt to stick to it protecting the ground engagement tool from wear

Question 46

what are the two types of breaks used on winches on mobile equipment

Answer 46

drum and band - multi disc clutch pack

Question 47

what is the normal condition of the brake on many winches

Answer 47

normally applied or on - hydraulic release and spring applied

Question 48

what is sizing

Answer 48

sizing a wire is wrapping a fine metal wire around the wire to be cut so when the wire is cut the loose ends do not unravel