aerial lift safety Flashcards
1
Q
How often is Aerial Lift Certification required?
A
Every Three Years
2
Q
What are the OSHA 1926.453 Regulations?
A
Aerial lifts acquired before January 22, 1973 which do not meet the requirements of ANSI A92.2-1969, may not be used after January 1, 1976, unless they shall have been modified so as to conform with the applicable design and construction requirements of ANSI A92.2-1969. Aerial lifts include the following types of vehicle-mounted aerial devices used to elevate personnel to job-sites above ground:1) Extensible boom platforms;2) Aerial ladders;3) Articulating boom platforms;4) Vertical towers; and5) A combination of any such devices.
3
Q
Name 3 common causes of accidents in buckets?
A
1) Traffic Control2) Power/Electrocution3) Tipping Over4) Runaways/Rollaways
4
Q
It is essential to know the _______ _______ ofan aerial lift vehicle to avoid hitting overheadobstacles while in motion.
A
clearance requirements
5
Q
What are the two main risks associated with operating an aerial lift?
A
1) Electrocution caused by operating too close to power lines or using unsafe work practices2) Injuries caused by falling as a result of equipment failureor performing an unstable maneuver.
6
Q
Name the three common causes of aerial lift accidents:
A
1) Stability problems2) Operator error3) Violating OSHA regulations
7
Q
Name Three Examples of Aerial Lift Operator Error?
A
1) Improperly positioning the aerial lift vehicle2) Metallic portions of the boom coming into contact withelectric power lines3) Failure to practice emergency procedures4) Moving bucket over the roadway5) Work zone protection or marking issues
8
Q
Name 5 examples of Violating OSHA/DOTRegulations?
A
1) Not using a five-point harness and deceleration lanyard properly2) Failure to use wheel chocks3) Work zone protection or marking issues4) Not performing a daily checklist5) Unmarked controls6) Overloading the boom or bucket with too much weight7) Moving the aerial lift vehicle with the boom raised8) Standing on an inserted box for extra reach9) Overreaching the bucket work zone10) Failure to adequately train personnel
9
Q
What is 1the term for OSHA 1910.67-Vehicle-Mounted Elevating and Rotating Work Platforms?.
A
A federal regulations for an aerial lift.
10
Q
Name Four Specific Requirements for OSHA 1926.453-Aerial Lifts?
A
1) Articulating Boom Platforms2) daily lift control tests3) unauthorized belting off locations4) authorized and unauthorized work positions5) harness and lanyard usage and attachment6) boom and bucket load limits7) parking8) stabilization9) movement prohibition10) upper and lower controls11) control markings12) pre-travel requirements
11
Q
What is the General Requirement of OSHA 1910.67-Vehicle-Mounted Elevating and Rotating Work Platforms?
A
Maintaining clearances while operating an aerial lift around electric power lines, depending on the line voltage.
12
Q
What are the General Responsibilities of ANSI A92.2?
A
1) Inspection and testing classifications (frequent andperiodic)2) inspection item lists3) maintenance and frequency of maintenance guidelines.
13
Q
What is the minimum distance you should keep any conductive part of your aerial lift away from exposed energized power lines 300V and less?
A
None, but Avoid Contact.
14
Q
What is the minimum distance you should keep any conductive part of your aerial lift away from exposed energized power lines Over 300V, but not over 750V?
A
12 inches
15
Q
What is the minimum distance you should keep any conductive part of your aerial lift away from exposed energized power lines Over 750V, not over 2 KV?
A
18 inches
16
Q
What is the minimum distance you should keep any conductive part of your aerial lift away from exposed energized power lines Over 2 KV, not over 15 KV?
A
24 inches
17
Q
What is the minimum distance to Aerial Lift from exposed energized Powerline Voltage at least 15 KV, not over 37 KV?
A
36 inches
18
Q
What is the Minimum Distance to Aerial Lift from exposed energized Powerline Voltage at least 37KV, but not over 87.5 KV?
A
42 inches
19
Q
When an aerial lift operator is not absolutely sure of voltage levels on overhead power lines, how far a distance must the tech obtain from the power line?
A
the maximum distance possible.
20
Q
The three Federal aerial lift safety rules andregulations are:
A
(1) OSHA(2) ANSI(3) DOT
21
Q
The minimum allowed distance to the aerial lift is contingent on?
A
The electric power line voltage.
22
Q
Most problems that affect the safe operation of your Aerial Lift unit can be found by doing what?
A
Walking around the aerial lift vehicle and verifying the condition of critical components.
23
Q
Aerial lift inspections are completed how frequently?
A
Daily, weekly and monthly.
24
Q
How often is an Aerial Lift Frequent Inspection and Test Conducted?
A
Daily.
25
Name the Five items that need to be inspected at the beginning of an Aerial Lift Cab Inspection?
1) Fire extinguisher2) First aid kit and flares3) Lights, including any strobe or other warning lights4) Wheel chocks5) Truck battery plugged into the ground faultcircuit interrupter (GFCI)
26
Name the 5 things that must be checked when checking under the hood of an Aerial Lift for an Engine Compartment Inspection?
1) Proper engine oil level and other fluid levels2) Hoses and belts3) General condition of the engine.4) Setting of the circuit breakers for the generator’s DCoutput5) Emergency power
27
What may cause the stability of the aerial liftvehicle to be severely affected?
Tires with low air pressure or damaged tires.
28
What should be checked beneath the aerial lift vehicle and aerial lift (on the floor or ground) as an obvious sign of an an impending problem?
Look for oil leaks beneath the aerial lift vehicle andaerial lift (on the floor or ground).
29
Name 4 of the 9 things that must be checked in an Aerial lift inspection?
1) Bolts2) Welds3) Hydraulic oil level4) Hydraulic oil lines5) Loose objects on the boom and in the bucket6) Lower and upper lift controls7) Leveling system8) Decals9) Bucket
30
The four different categories of bolts requiring inspection on an aerial lift are:
1. Bolts holding pin retainer tabs2. Bolts holding pin retainer washers3. Pedestal mounting bolts4. The upper rotation bearing bolts
31
Name 4 examples of some critical welds that warrantspecial attention on your daily inspection of an Aerial Lift, and where are they located?
where the:• Turret wings are welded to the base plate• Cylinder mounts are welded to the boom• Cylinder mounts are welded to the turret• Welds are on the platform support
32
What are two reasons why it is important to maintain the proper hydraulic oil level?
1) Help maintain the proper operating oil temperature and pressure2) Give the operator more time to lower the bucket in theevent of a hydraulic line leak
33
Where do you go to Check the hydraulic reservoir oil level?
In the sight gauges located on the side of the pedestal.
34
What position should the Boom be when checking hydraulic reservoir oil level?
The boom must be fully retracted and lowered into the stowed position.
35
What should all exposed hydraulic lines be inspected for?
For loose or leaking connections and frayed jackets.
36
How should hydraulic hoses be carefully examined?
Check any portion of a hose that is subject to flexing and rubbing and, particularly the hoses at the bucket.
37
What should the Booms be inspected for?
Loose objects (tools, spare parts,trash, etc.) that might fall when the booms are elevated.Remove all loose objects from the booms.
38
In a Lift Control Inspection check, how do you operate all lower and upper lift controls properly?
Through the full range of motion to verify that the controls are functioning properly by being free to move, returning to their neutral position when released, and control the boom and bucket
39
Name the 4 Things to be inspected during a Leveling System Inspection for for damage, wear, or foreign objects that may prevent proper operation.?
1) master cylinder2) slave cylinder3) hoses4) fittings
40
How is a Decal Inspection Conducted?
During your walk around, check the condition of allidentification, caution, warning, operational, andinstructional decals. Replace any lost, damaged, orillegible decals.
41
Name the four Aerial Lift Bucket Inspection Points:
1) cracks or other signs of damage in the mounting ribs, floor, and flange around the top.2) bucket spine and welds3) torque stripe marks4) safety lanyard attachment point
42
The Frequent Inspection and Test is designated in the ANSI as what?
ANSI A92.2
43
When are aerial lift vehicle inspections for the The Frequent Inspection and Test to be performed, and who performs them?
Daily, by the operator prior to the first use of the aerial lift vehicle.
44
Name 5 of the 17 requirements that comprise the Daily Inspection Checklist?
1) Make certain that the bucket, arms, or pedestal does not move when the controls are in the neutral position.2) Determine that there is no excessive play in the bucket, arms, or pedestal.3) Ensure the valves and controls operate smoothly.4) Determine whether there are any unusual noises when operating the mechanical or hydraulic components.5) Make certain that the operation of the bucket, arms orpedestal does not become sluggish after the unit isthoroughly warmed up.6) Ensure the outriggers hold securely in both the up anddown positions.7) Visually inspect the outrigger pins to make certain thatthey are securely in place.8) Ensure the engine throttle is reading correctly.9) If the basket is equipped with a basket-dumping device,visually check the locking mechanism to make certainthat it is secure.10) Upper arms that are enclosed may be equipped with oneor more desiccant containers. Replace the desiccant ifthe color is not blue.11) Verify that outrigger operation alarms are working.12) Visually check hydraulic hoses to determine that they arenot kinked or chafed.13) Make certain that the cap on the hydraulic tank is secure to assure that no foreign ingredients get into thehydraulic system.14) Inspect the arms and bucket15) Inspect the operational and instructional markings anddecals to make certain that they have not been damagedto the extent that they are illegible to the operators.16) If the control system is electric, fiber-optic, infrared orradio controlled, perform a battery check and a functiontest of the control system.17) If performing the pre-work electrical test, check thelower test electrode system and circuit continuity.
45
What is an outrigger?
A structural member, which when properlyextended or deployed on firm ground or outrigger pads, assists in stabilizing the mobile unit.
46
Name 4 of the 7 Aerial Lift Inspections checks that must be completed Daily?
1) Testing controls and operating systems2) Electrical power3) Inspecting the bucket4) Verifying that the bucket and boom are secured5) Inventory of all safety equipment and the condition ofeach6) Tire pressures7) Hydraulic oil level
47
What - in addition to the daily, weekly, monthly, every two months, and semiannual inspections and tests to aerial vehicles - must also be performed?
Any inspections or maintenance required by the manufacturer
48
Name 4 of the 6 Aerial Lift Inspections checks that must be completed Weekly?
1) Battery condition2) Fan belt pump3) Rotation chain4) Bolt tightness5) Stabilizers6) Proper operations
49
What is used to keep track of the Daily Inspections for an Aerial Lift?
Comcast Daily Aerial Lift Inspection Form
50
Name 5 of the 11 Aerial Lift Inspections checks that must be completed Monthly?
1) Structural2) Telescoping bearings3) Telescoping boom and boom pads4) Rust5) Wiring6) Bucket override7) Rotation limit switches8) Holding valves9) Interior of boom10) Hydraulic leveling system11) Decals
51
Name the Two Aerial Lift Inspection checks that must be completed every two months?
1) Lubricating zerks2) Checking the gearbox oil level
52
What is the term for a grease fitting?
Zerk
53
Name the Three Aerial Lift Inspections checks that must be completed semi-annually?
1) Changing the hydraulic filter2) Inspecting the hydraulic oil3) Checking all valve pressure settings
54
What are the Five Time Intervals in which an Aerial Lift Maintenance Schedule Form must be used?
Daily, weekly, monthly, bi-monthly, and semiannually.
55
What are 3 of the 4 concerns that are involved when Driving a vehicle with an aerial lift?
1) Understanding the hazards of driving a heavy-duty aerial lift vehicle2) Knowing the stowed travel height of the boom andbucket3) Clearance requirements while in motion4) Safely and legally parking your aerial lift vehicle
56
Define a Gross Vehicle Weight Rating (GVWR)?
The Maximum permissible weight of the unit,including the vehicle plus all fluids, cargo, optionalequipment and accessories. For safety and product performance, never exceed the GVWR.
57
What is the vehicle requirement for a CommercialDriver’s License (CDL)?
Any vehicle with a Gross Vehicle Weight Rating (GVWR)greater than or equal to 26,001 lbs, requires a CDL.
58
What tests are required to obtain a CDL?
The requirements for a CDL include both a written test and a driving test.
59
What are the tests to obtain a valid CDL based on?
The CDL Rules and the Regulations Manual of your specific state.
60
What are the two Hazards of Driving a Heavy-Duty Aerial Lift Vehicle?
1) Remember to allow more time and distance to stop.2) Maneuver around corners and obstacles safely byremembering the difference in turning radius and lengthof your aerial lift vehicle.
61
What are the aerial lift overhead clearancerequirements?
To avoid hitting low hanging tree limbs and other overhead obstacles while driving toand from a work site.
62
Where are the two places the traveling height ofyour aerial lift vehicle will be located?
1) posted in the cab 2) specified in your aerial lift operator’s manual.
63
Name the Three things Involved in regards to Safely and legally parking your aerial lift vehicle.
1) evaluating the work site2) orienting your aeriallift vehicle3) understanding what to check for beforeand after leaving your aerial lift vehicle’s cab.
64
Why is it necessary to properly evaluate the work site prior to setting up and operating an aerial lift vehicle?
To prevent and avoid serious injury or death.
65
Name 7 of the 14 things to check for when evaluating a work site.
1) Exact location of any overhead electrical, telephone, TV cable, or other utility lines2) Location of slopes3) Potholes4) Broken curbs5) Open trenches6) Drop-offs or overhangs7) Soil conditions (soft or hard)8) Standing water and marshy areas9) Rocks, stumps and tall grass10) Overhead or side obstructions11) Conditions of roads12) Traffic pattern13) Heavy traffic14) Underground
66
What are the three ways to Properly orient your aerial lift vehicle at the work site?
1) Do not exceeding the maximum recommended slope2) ensure optimum stability, and positioning your aeriallift vehicle to minimize reach 3) avoid overhead obstacles.
67
What are the three hazards of parking on a slope?
1) Reduces stability2) Places additional stress on rotation system3) Requires extra precaution to avoid overturning vehicle
68
Name 4 of the 6 methods to Optimize Aerial Lift Vehicle Stability:
1) Maintaining correct tire pressure2) Positioning vehicle near work site3) Facing vehicle up or down the slope4) Head boom uphill and maintain boom beyond the centerof your vehicle5) Using outrigger pads6) Not exceeding 5 degree slope
69
What are the 3 reasons why one should position the aerial lift vehicle as close to the work as possible?
1) Minimize reach2) Avoid overheadobstacles3) Provide safe andproper lift and rotation
70
While performing an Aerial Lift, a tech should leave the vehicle engine running unless...?
The lift is powered by an auxiliary engine, generator or batteries.
71
Before leaving the vehicle cab and operating the aeriallift, do the following:
1) Set the parking brake and the brake lock (if so equipped).2) Shift your aerial lift vehicle transmission to neutral (orpark for automatic transmissions) and leave your aeriallift vehicle engine running to operate the lift. When anauxiliary engine (generator option) is used, place yourautomatic transmission in park or your manualtransmission in gear. Turn off your aerial lift vehicleengine.3) Turn on warning lights/flashers to alert pedestrians andmotorists.4) Depress the clutch (manual transmission) and engage the Power Take-Off (PTO), if so equipped.5) Activate your aerial lift’s power system with the toggle switch on the dashboard of your aerial lift vehicle. A red light next to the toggle switch on the dashboard indicates when the power system is energized. The truck ignition must be in the ‘RUN” position unless equipped with an auxiliary engine.
72
What is a Power Take-Off (PTO) ?
An additional mechanism enabling vehicle engine power to be used to operate non-automotiveequipment such as a pump.
73
What are three things that should be done after leaving your aerial lift vehicle cab?
1) chock the wheels in case the emergency brake fails. 2) Set up adequate cones or barricades to mark the boundaries of the work site and alert pedestrians and motorists, as designated by your system’s requirements. 3) Never work outside the boundaries.
74
After leaving your aerial lift vehicle cab, chock thewheels in case the emergency brake fails.
Set up adequate cones or barricades to mark the boundaries of the work site and alert pedestrians and motorists, as designated by your system’s requirements. Never work outside the boundaries.
75
A Commercial Driver’s License (CDL) isrequired when the GVWR equals or exceeds how many pounds?
26,001 lbs.
76
Name 5 of the 9 Aerial lift vehicle driving hazards:
1) length2) height3) width4) weight5) boom6) bucket7) turning8) radius9) the required distance to stop
77
What are the two ways to avoid hitting low hanging tree limbs and other overhead obstacles with an Aerial Lift:
1) Remembering the stowed height of your aerial lift’s boom and bucket 2) Remembering your aerial lift vehicle’s overhead clearance requirements.
78
What 4 things are involved with Safely and legally parking an aerial lift vehicle?
(1) evaluating the work site (2) orienting the aerial lift vehicle at the work site;(3) executing and checking before leaving theaerial lift vehicle cab (4) executing and checking after leaving the aerial lift vehicle cab.
79
What 4 things should be done when orienting your aerial lift vehicle at the work site?
(1) avoid exceeding the maximumrecommended slope(2) ensure optimum stability(3) minimize the reach(4) avoid all overhead obstacles.
80
Parking an aerial lift vehicle on a slope:
(1) reduces stability(2) places additional stress on the rotationsystem(3) requires extra precaution to avoid overturning the vehicle.
81
Name 6 ways to optimize the stability of an aerial lift vehicle:
(1) maintaining the correct tire pressure (2) positioning the vehicle near the work site(3) facing the vehicle up or down the slope(4) heading the boom uphill and maintaining the boom beyond the center of your vehicle(5) using outrigger pads(6) not exceeding a 5° slope.
82
What are the three things to keep in mind when positioning your aerial lift vehicle?
(1) minimize reach(2) avoid overhead obstacles(3) provide safe and proper lift and rotation.
83
Name 4 of the 5 goals of using proper traffic control techniques?
1) Minimizing the chance of injury to Comcast employees and the public2) reducing the chance of damage to private and publicproperty3) minimizing the possibility of claims andlitigation arising from work zone accidents4) reducing confusion to motorists, expediting traffic flow, and improving our public image.5) reducing accidents,
84
What are 2 examples of aerial lift limits?
1) maximum boom lifting capacity2) maximum bucket load capacity, payload, and chassis weight.
85
Operation at the work site requires knowing
1) the proper use of decals2) understanding operational hazards3) using proper traffic control techniques and safety equipment4) Testing the lift controls daily
86
Name the 4 different types of decals.
(1) Danger (2)Warning(3) Caution(4) Operating Instructions/Notice.
87
What is the purpose of Danger, warning and caution decals are installed at numerous locations on your aerial lift vehicle in an effort to warn all personnel of the potential hazards that may occur during the use and operation of the aerial lift.
If any decals are defaced, illegible or lost,replace them.
88
What type of label is this?
Caution Label
89
Name 3 types of ocupational hazards
1) electrocution2) injuries (from falling, equipment failure, and unstable maneuvering)3) improper traffic control.
90
What Type Of Label is this?
Danger and Instruction Decal
91
What can result from contacting or approaching overhead power lines?
Electrocution
92
What are three ways an aerial lift operator can avoid electrocution?
1) Always check overhead clearances.2) Know exactly how much clearance all parts of your aerial lift have around electric power lines.3) Know your margin of safety.4) Request a signal person for guidance to maintain at least the minimum distance required by OSHA and/or local ordinances from overhead power lines.5) Allow for sway, drift, and platform movement in calculating safe distances.
93
Operating aerial lift during electrical storms is_______.
Prohibited.
94
Name the three typical causes of injuries.
1) Falling2) Equipment Failure3) Unstable Maneuvering
95
There is no insulating value in a fiberglass aerial lift bucket without what?
A Bucket Liner.
96
What must be done prior to using the aerial lift after it has set idle for an extended period (i.e., overnight), or was recently serviced?
Cycle the lift through its full range of motion several times to force any trapped air out of the hydraulic system.
97
What can air trapped in the hydraulic oil of an Aerial lift cause?
Can cause erratic and unpredictable lift movementsresulting in unstable maneuvering.
98
Provide 4 ways to utilize proper traffic control techniques:
• Minimize chance of injury to Comcast employees and thepublic• Reduce chance of damage to private and public property• Minimize the possibility of claims and litigation arisingfrom work zone accidents• Reduce confusion to motorist• Expedite traffic flow• Improve our public image
99
List 6 of the 13 minimum safety equipment required for aerial lift vehicles.
a) Reflective conesb) “Work Area Ahead” signsc) Stands with flag holdersd) 2 – Stop/Slow Paddlese) 1 – Beaconf) 1 – Vest per persong) – Fire extinguisherh) 1 – Flashlight or floodlighti) 1 – Set of emergency trianglesj) 1 – First aid kitk) 2 – Wheel chocksl) 1 – Comcast accident kit containing procedures andm) forms
100
It is important to know and not exceed themanufacturer’s specifications regarding what three things concerning an aerial lift? maximum boomlifting capacity, maximum bucket load capacity, andpayload.
1)) maximum boom lifting capacity2) maximum bucket load capacity3) payload
101
What should an operator know about the aerial lift vehicle before operating to comply with all DOT regulations?
Chassis weight
102
What is this called?
Manufacturers Capacity Label
103
What should be done daily to verify that all systems are operating prior to operating an aerial lift bucket?
Test the lift from the lower controls and from the bucket at ground level and verify that all systems are operating properly. If not, ensure that maintenance is performed by a qualified mechanic before going aloft.
104
When weather is below freezing, what should be done to ensureall boom/bucket components are properly functioning.
operate the boom pump 5 to 10 minutes prior to the start of work
105
Name three potential dangers of Hydraulic oil leaks
1) Become embedded beneath the skin orcontaminate the eyes2) Create a slippery surface that is potentially hazardous.3) Most hydraulic oils are flammable and may cause serious burns.
106
5 ways to safely operate lift controls from an Aerial Lift Bucket
1) Always face the direction in which you are maneuvering the bucket.2) Avoid overhead obstacles3) always be aware of everything around you and above you in a 360-degree radius.4) maintain a safe distance from all electric powerlines5) Avoid operating the boom and bucket over anactive roadway. Install proper barricading
107
What 5 things should always be considered energized?
1) Metal power conduit on joint use poles2) Exposed vertical power ground wires3) Street light fixtures below CATV attachments4) All electrical parts5) All wiring
108
What should be disengaged to prevent damaging transmission,pump, and PTO.
Hydraulic Oil Pump Drive
109
What 6 things must be done when storing the aerial lift for road travel?
1) Retract the inner boom completely2) Rotate the outer/inner boom assembly until it is centeredover the boom rest3) Rotate the boom so the bottom of the platform iscentered over the platform support4) Lower the outer/inner boom assembly onto the boom rest5) Release the outer/inner boom control switch to theneutral position as soon as there is contact with the boomrest pad6) Secure the outer/inner boom assembly with the tie-downstrap7) Raise up the outriggers to their full “up” travel position;8) Turn off the electrical system9) Disengage the hydraulic oil pump drive to preventdamaging both the transmission, pump, and the PTO10) Remove the wheel chocks
110
What may occur if tools and equipment are not storedand secured in your aerial lift vehicle.
Loss and damage of tools and equipment, and possible injuryto personnel.
111
Name he 4 items Personal Protective Equipment (PPE) consists of?
1) hardhat2) leather gloves3) safety vest4) eye protection.
112
What is a Deceleration Lanyard?
a device that serves to dissipate a substantial amount of energy during a fall arrest, or otherwise limits the energy imposed on the echnician during fall arrest.
113
What does a approved fall arrest system conist of?
1) the five-point safety harness2) a deceleration lanyard3) a designated attachment device on the boom
114
What should never be used in place of proper fall arrest systems?
climbing and bucket belts
115
Where should you always try to position your aerial lift bucket to prevent or minimize overreaching and / or accidentally falling out of the bucket?
Always try to position your aerial lift bucket so that the intended work is located between your waist and shoulders.
116
Where should you Position your aerial lift bucket toprevent accidental contact with electrical power?
Position your aerial lift bucket lower than any powertransmission wires or electrical components toprevent accidental contact with electrical power.
117
Name 3 Causes of Falling Out of Lift Bucket.
1) Overreaching by leaning out of the bucket past your shoulders2) Standing or sitting on the top edge of the bucket3) Using ladders, planks or other devices to elevate yourself
118
To avoid falling, how should one always stand while working from your aerial lift?
always stand with your feet flat on the floor.
119
What should you always do with the bucket when it isstopped or in the working position?
Always lock the bucket leveling device whenstopped or in the working position.
120
What three things should you keep in mind when Raising and Lowering Equipment / Tools?
1) use a hand line. When using a hand line, do not overreach past your shoulders.2) Work within your bucket zone3) Stay in constant communication with the crew on the ground
121
When using a hand line, you should never do what?
When using a hand line, never overreach past your shoulders.Overreaching could cause you to fall out of the bucket.
122
What is the OSHA standards, Subpart M of 1926?
Self-rescue from an aerial lift.
123
What two alternative guidelines have been establishelid in compliance with the OSHA standards, Subpart M of 1926?
1) Prior to conducting work requiring elevatingyourself in an aerial lift bucket, contact thedispatcher by radio and inform him/her of yourplans. After you descend and get out of thebucket, call dispatch to inform that you aredown.2) Always carry a portable radio or cell phone inthe bucket – keep it in a pocket or some otherlocation within reach in case you fall from thebucket.
124
What should NEVER be done in the event of an aerial lift malfunction?
Never cut the hydraulic lines to get the bucket down.Check valves in the hydraulic lines will not allow theboom to lower in the event of a complete hydraulicpressure loss.
125
How to assist a technician if the Hydraulic Lift System malfunctions in an Aerial Lift?
A rescue party can use either the holding valve set screwor manual rotation to lower the boom. Make certain allbody parts are clear of the boom travel path beforeattempting to lower the boom using the setscrew on theholding valve. Failing to do so may cause serious injuryor death.
126
What is a Setscrew?
A short screw, typically with an Allen typehead, that is used as a clamp to bind parts together.
127
How to assist a technician if the upper controls become inoperable in an aerial lift?
With the hydraulic system operational, a rescue partycan use the lower controls to operate the boom byplacing the selector switch in the “lower” position in thetruck cab. Maintain constant communication, eitherverbally or through hand signals, between the rescueparty and the operator in the bucket.
128
What are the 4 Steps that must be taken when Rescuing an Injured or Incapacitated Aerial Lift Operator?
1) Make sure the aerial lift vehicle has not become energized.2) Call 9113) Get the source of power eliminated4) Attempt to lower the boom
129
Contact by rescuers on the ground with an energized aeriallift vehicle will cause what?
serious injury or death.
130
If an aerial lift is energized, what should be done to eliminate source of electrical power before attempting rescue?
Call 911 to eliminate source of electrical power before attempting rescue.
131
What are three Situations that require aerial rescue of an aeriallift operator?
1) mechanical failure2) an operator falling out of the aerial lift bucket3) the upper controls becoming inoperable.
132
What are the two causes for an aerial lift to cease to functionwhile aloft?
1) hydraulic lift malfunction2) inoperable upper controls.
133
when should a DOT compliance inspection for be completed?
Daily, at the end of the day.
134
What are 5 things a DOT inspection report cover?
Service brakes including triler brake connections, if applicable.parking (hand) brakesterring mechanismlighting devices and reflectorstireshornwindshield wipersrear vision mirrorscoupling deviceswheels and rimsemergency equipment
135
where should the last vehicle inspection report be carried?
on the power unit
136
what are the 3 things a driver of a DOT does before driving?
1) be satisfied that the motor vehicle is in safe operating condition2) review the last vehicle inspection report3) sign the report, only if defects or deficencies were noted by the driver who prepared the report, to acknowledge that the driver has reviewed it and that there is certification that the required repaird have been performed. the signature requirement does not apply to the listed defects on a towed unit which is no longer part of the vehicle combination.
