LTI QS100 Aerial Ladder Flashcards
(139 cards)
1
Q
The aerial ladder has 4 sections made up of what?
A
rectangular tubular steel
2
Q
What is the tip load
A
250 lbs
3
Q
What size are the hand rails if the aerial ladder
A
15”
4
Q
What is the size of the rungs and spacing between them
A
1 1/2 k-brace type rungs 14” on center with replaceable rug covers
5
Q
Length of the aerial retracted
A
31.8’
6
Q
Length of the aerial extended
A
94’
7
Q
Elevated height of the aerial
A
100’
8
Q
Aerial And ground jacks are what type of operated system
A
Hydraulic
9
Q
The ___ off of the chassis transmission, powers a hydraulic pump.
A
PTO
10
Q
The hydraulic pump is an ___piston, variable displacement type pump with a capacity of ___gpm.
A
Axial
20
11
Q
Hydraulic oil is supplied from an all steel reservoir with a capacity of __ gallons.
A
40
12
Q
consists of double-box beams and jacks, powered by double-acting hydraulic cylinders, integral-holding valves and manual pin locks as back-up locks
A
Outrigger system
13
Q
Dual, double-acting hydraulic cylinders with integral holding valves are used to elevate?
A
The aerial ladder
14
Q
Aerial elevation ranges
A
-4 - 75 degrees
15
Q
___ is mounted to the main section of the aerial, shows the angle of elevation of the ladder. Angle values are used to determine proper loading as identified by the Aerial Load Chart.
A
Liquid filled gauge
16
Q
___ is mounted to the control pedestal, identifies aerial capabilities of reach, height and capacity to permit safe and efficient use of the unit.
A
The aerial load chart
17
Q
______ and ______attach the aerial to the chassis; thus providing 360o continuous rotation.
A
Antifriction ball bearing and ring gear
18
Q
Rotation is achieved through a ______reduction drive powered by a _____ motor.
A
Planetary gear
Hydraulic
19
Q
An automatic ____type brake is used to stop the rotation of the aerial.
A
Disc
20
Q
_____and_____of the aerial is provided by dual, extension/retraction cylinders and cable-drive combination.
A
Extension and retraction
21
Q
The power take off (PTO) Is mounted where?
A
On the transmission
22
Q
When the PTO is turned on what fluid goes to the PTO?
A
Transmission fluid
23
Q
A clutch within the PTO engages the shaft that transfers power to the ______
A
Hydraulic pump
24
Q
The PTO transmits the mechanical force developed by the _____to drive the main hydraulic pump.
A
Engine
25
Pressure will _____in the circuit to that required for moving the actuators and performing elements, integral of the pump, and will not allow pressure to build up beyond the circuit's operating requirement. As the control is returned to _____ (centered), pressure decreases.
Increase
| Neutral
26
With the pump operating and all function controls in neutral, the oil merely circulates within the?
Pump cavity under negligible pressure
27
Relief valves also protect components from damage due to
Excessive pressure build up
28
The variable displacement type pump will create ____psi and approximately __gpm.
2800psi
| 20 gpm
29
____ is an all steel welded construction with removable clean out access, integral baffles, filter, and strainer; gated suction, drain valves and magnetic drain plugs.
Hydraulic reservoir
30
The aerial main control valve opens when the ____ is depressed or the emergency _______solenoid is actuated.
Dead-man
| Blocking valve
31
Three other spool valves are the aerial control spool valves; which operate _______, _______motor, and ______cylinders. The three aerial control spool valves are mechanically linked to the aerial control levers.
Hoisting cylinders
Rotation motor
Extension
32
The aerial electrical system is a single wire; negative ground return type, utilizing the _________as ground.
Apparatus frame
33
Power from the tractor's system is transferred to the aerial through the _____________. The coupling consists of numerous sets of brushes and brush holder assemblies, collector rings and connectors which provide uninterrupted current flow to the aerial circuits through 360o of aerial rotation.
Electrical swivel coupling
34
The power take off (PTO) switch is an electric switch that energizes a _____, which allows transmission fluid to the PTO.
Solenoid
35
The PTO switch will not be energized until the transmission is in the _____position, and the ________ is set.
Neutral
| Parking brake
36
A _______mounted on the PTO senses pressure inside the PTO and energizes the PTO engaged indicator light adjacent to the PTO switch.
Pressure switch
37
is spring loaded and mounted at each outrigger control box.
Emergency Power Unit (EPU)
38
Activating and holding the switch in the ON position activates the emergency power unit during ______or _______failure.
ELECTRICAL
| HYDRAULIC
39
EpU: The electric switch is wired to work even with the______off
Battery switch
40
The communication system provides two-way conversational capabilities between personnel at the _____ and the aerial control _____
Ladder tip
| Pedestal
41
Operating controls are located on the master control unit and provide the following:
Listen volume, push to talk, talk volume
42
______System works in conjunction with the outrigger/aerial interlock system and will not allow the aerial/turntable to be rotated into an area which is not supported by fully deployed outriggers.
The rotation limiting
43
_____permits use of the aerial with a “not fully deployed” outrigger, but the Rotation Limiting System limits the aerial’s movement to the side with the fully deployed outrigger.
Override switch
44
Danger: Do not rely on apparatus tipping to determine _____capacities.
Maximum load
45
Personnel on the ladder should maintain a distance of ___feet apart. Load distribution (distance and weight) shall not exceed rated capacities shown on the Load Chart.
10’
46
_______must be applied before outrigger operation can be initiated. _______ must be in place ahead of and behind the front steering axle tires.
Parking brakes
| Chock blocks
47
Keep away from dangerous banks and areas of uncertain footing. Avoid areas such as streams, canals, riverbanks and sandy terrain. The auxiliary ________are intended for use every time the outriggers are deployed.
Jack pads
48
Caution: When using the auxiliary jack pads under icy or slippery conditions, ______ the standing surface before placing the jack pad under the outrigger to prevent a sliding condition.
Rough up
49
Caution: Never set the outrigger jack over a _____or ____cover. Also, beams should not bridge the street and the curb.
Storm drain
| Manhole cover
50
Operating “over the side” requires that the beams on the applicable side of the apparatus be _____to full limit travel, with the respective jack extended to contact solid, load-bearing surface.
Extended
51
Danger: Never operate the aerial ladder on the same side as a
Short-jack outrigger
52
The aerial is designed with its maximum strength available in the unsupported configuration. ________introduces component stress, resulting in reduced load capacities.
Reverse loading
53
Position the ladder approximately ___inches to ____ inches above the objective.
6”
| 12”
54
Never rapidly reverse swing directions. _____the control lever movement in both directions.
Feather
55
Suddenly reversing swing direction could ______personnel, resulting in serious injury and can cause damage to the swing system and/or the ladder structure.
Dislodge
56
Keep constant eye contact with an aerial in motion. Watch for hazards in all directions. If you must look in another direction, ____the operation immediately, but smoothly.
Stop
57
Never use the aerial ladder to pull or push sideways or use as a ram. The aerial is not structurally designed for _________or opposite pressure against the _______rams.
Side loading
| Extension
58
Do not use the aerial as a?
Crane
59
Avoid close proximity with electrical wiring and cables. Always keep the aerial at least ___feet away from all wiring. If the aerial should contact power lines, all personnel should remain on the apparatus until power is shut off or aerial is freed.
10’
60
DANGER: You must allow for ladder sway, rock and sag when operating near power lines and cables. The apparatus is not _____. Contact between the apparatus and ground, should the unit become energized, will result in death or serious injury.
INSULATED
61
Beware of _________ effect when positioned between buildings with the ladder elevated. When operating an elevated ladder in high or gusty wind conditions, be aware that concentrated wind of maximum velocity will be directed at the aerial.
WIND TUNNEL EFFECT
62
Caution: Do not operate with ladder elevated in wind conditions exceeding ___mph.
30
63
DANGER: Never climb a ladder in____. Arms and legs caught between moving ladder sections will seriously be mangled or severed.
MOTION
64
DANGER: Never use a “_____” on the ladder. Legs caught between moving ladder sections will be seriously mangled or severed.
LEG LOCK
65
Expect shift in ladder position when changing direction of_______. When operating the ladderpipe, expect a shift in aerial position when the direction of the water stream is changed.
WATER STREAM
66
Full, rated capacities are allowable on grades up to, but not including, 6%/3.5o. On grades between 6% and 14%/3.5o and 8.0o, capacities are reduced by ___
50%
67
Wind, ice and other factors ___________, as well as strength of supporting surfaces and skill of the operator, must be considered when utilizing the aerial at its fullest potential.
AFFECTING STABILITY
68
Certain capacities are limited by structural strength; therefore, stability factors (as evidenced by apparatus tipping) must not be relied upon as the ______limitation.
CAPACITY
69
Reduction in load capacities must be made to compensate for ___and/or ____ accumulation.
ICE
| SNOW
70
Capacities are established for the unit based on
STANRD UNIT CONFIGURATION
71
Capacities are established with no additional equipment at the tip (other than “as delivered” items). The weight of tip equipment (nozzles, pike poles, hoses, axes, ladders, etc.) must be _____ from tip load capacities.
DEDUCTED
72
The Load Chart presents a graphic display of the aerial ladder apparatus’ load lifting and weight distribution limitations. The chart is representative of both ______ and_______ operational capacities, as well as combined operational capacities.
LADDER
| LADDERPIPE
73
Operating on grades in excess of ____/___ is prohibited.
14%/9 DEGREES
74
An outrigger control box is located next to the outriggers on _____ of the trailer.
EACH SIDE
75
Total outrigger spread when fully deployed is
93-2001: 16’
| 2001-2009: 14’
76
Chock blocks are used to provide additional friction to prevent movement (walking) of the apparatus on its outriggers. The chock block should be positioned in front and behind both front tires. If on a hill, place on the downhill side of the ____ and ____ tires.
FRONT
| TILLER
77
______are portable oversized metal plates that give greater surface bearing area for the jacks.
AUXILIARY JACK PADS
78
A fast idle switch is installed at each outrigger control box and on the pedestal.
The preset fast idle is ___to___rpm
1500-1600rpm
79
Outrigger control switches are an ____ over ______ control system for normal outrigger operation. Switches are spring loaded.
Electric
| Hydraulic
80
The beam and jack control switches may be operated ______, but this is not recommended.
Simultaneously
81
For emergency response the beam ___and jack __can be operated simultaneously after jack pressure is released.
In
| Up
82
Located above the fifth wheel are four hydraulic cylinders, called
Lockout cylinders
83
CAUTION: If at anytime the road transmission is shifted into gear while performing aerial operations, the _______will automatically disengage the PTO.
Chelsea Hot Start
84
The proper method for deployment of the outriggers is to relieve the weight from the ___________ (tractor’s rear tires and tiller steering axle tires maintaining ground contact), allowing the frame and aerial support structure to assume the operating load.
TRACTORS REAR SPRINGS
85
CAUTION: When operating on slopes or slippery terrain, keep one set of _____(wheels with air-actuated, spring brake applied brakes) firmly on the ground.
BRAKING TIRES
86
Extend down low side jack until bubble in the aerial leveling indicator moves just past level (___). The fully deployed light should be illuminated for that side and the weight removed from the tractor's rear springs by taking the bulge out of the duals, but not off the ground.
1/8’’
87
Choose a hole that is a minimum ___” below jack skirt. Fully insert manual locking pin and then back pin out __” (if leveling is not required).
1/4’’
| 1/2”
88
The aerial extension indicates is Located along the handrails of the main section are extension indicators marked off in ___ increments. At the tip of the ______ section is a red tape indicator.
5 foot
| Inner-mid
89
The circuit selector requires a ______to the left or right for engagement. When activated the manual circuit selector allows hydraulic fluid to the outrigger valve bank and aerial controls, which can then be controlled using standard operating procedure.
Quarter turn
90
When operation of aerial control levers is complete, push and turn the solenoid knob to the _____ to re-engage valve for outrigger operation.
Right
91
Used to rotate the ladder while utilizing the EPU during an electrical failure.
Rotation interlock override (left or right)
92
When using the rotation interlock override
The ladder can be moved ___ to ___degrees past the tiller cab toward the short set side and ___degrees past the tractor cab toward the short set side.
8-10 degrees
| 2 degrees
93
Holding the switch in the on position allows the aerial to be operated without the outriggers being fully deployed.
Interlock override switch
94
Hydraulic System Pressure Gauge
| registers working pressure in the hydraulic system from
0-5000psi
95
Pressure to hoist should not exceed ____ psi. Pressure to rotate should not exceed ____ psi. Pressure to extend/retract should not exceed _____ psI
2800
1500
2000
96
Operated by a small wire that extends and retracts with the aerial ladder; the gauge
displays ladder extension in feet
Extension gauge
97
These levers are mechanically linked to the spool valve. When a control lever is moved, the spool is lifted proportionally to the control lever movement.
Aerial control levels
98
Located on the just below the aerial on the turntable is the
Swing drive
99
Located at the base and tip of the fly section are
Chainsaw holders
100
The 10’ aluminum-folding ladder is stored in these brackets.
Aluminum folding ladder brackets
101
The ladderpipe assembly clamps on to the ____rung on the tip of the fly section and
the short rung just behind the _____ rung on the tip of the fly section.
Last
| Second to last
102
When all switches are activated for a particular outrigger, its green light, at the outrigger control box, will light at
800 lbs
103
The outrigger interlock override system is designed to allow use of the aerial in situations where lives are at risk and no other options are available. The system allows the outrigger, on the side opposite where the aerial is to be used, to be “_______”, or not fully extended in the horizontal direction.
Short-jacked
104
Prior to actuating the applicable button(s) on the outrigger valve bank, the 4 way solenoid handle must be ____and ____in the actuated position, for the duration of the outrigger operation.
Pushed and held
105
With the 4 way solenoid valve actuated in the on position his manually shifts the ________valve, shutting off the oil to the aerial system and directing the flow to the outrigger valve bank.
Blocking solenoid valve
106
Lower ladder to tiller cab roof, ensure that ladder is fully retracted, visual to
alignment of red marks on main and third fly section (full retraction) and/or extension gauge is at __ mark. Ladder is rotated to correct position, ladder pipe and all obstructions are clear.
30’
107
CAUTION: Releasing the Interlock Override switch while in motion will cause aerial to _______.
Stop abruptly
108
In order to allow for cradling of the ladder, there is approximately __degrees of
rotation travel past the vehicle centerline. This small angle will not allow the ladder
to top or become unstable over the other side.
4 degrees
109
With the blocking solenoid in the ___or ____position, push either the LEFT or RIGHT Rotation Interlock Button while at the same time moving the main Rotation Control Lever the same LEFT or RIGHT position.
Out or closed
110
a 12-volt dc electric motor and a 1.5 gpm at 2000-psi pump.
EPU
111
EPU operation is independent of the aerial electrical system and the PTO switch should be ______
TURNED OFF
112
The EPU is rated for a maximum of __minutes (approx.) continuous operation. Exceeding this period of time will cause the unit to fail.
7 MINS
113
2006-2009: The EPU can be used over a long period of time at a ___ duty cycle, which is approximately ___minutes in every ___minutes (__ minutes on and ___minutes off).
23%
2. 3 mins every 10 mins
2. 3 mins on 7.7 mins off
114
Actual operating time is dependent upon _____; state of charge and ______ in control being moved.
Batteries
| Hydraulic pressure
115
An EPU switch is at each
Outrigger control box
116
EPU switch to the on position and hold for emergency power then release. This electric switch is wired to work even with
Battery switch off
117
For 1995-2003 the EPU is rated for a maximum of ___continuous operation.
The EPU can be used over a long period of time At a ____ duty cycle which is approximately ___ in every ___
3 mins
7% duty cycle
21 seconds every 5 mins
118
On the 2009 LTI Aerial ladder the_____ is located on both the left & right side of the trailer gooseneck near the fifth wheel. The attachment point has a rating of ____lbs.
Anchor attachment point
| 9000lbs
119
On the 2009 LTI aerial ladder the cap stand is mounted where?
On the pedestal
120
On the 2009 LTI aerial ladder The capstan has the same ___lb. rating as the tip load of the aerial ladder.
250
121
2009 LTI: utilizes a manually operated winch mounted at the turntable step area along with a Rope Roller assembly mounted at the ladder tip, which when used together, permits loads to be raised with relative ease and safety.
The winch lifting system
122
2009 LTI: The maximum capacity of the winch system is designed to ____the ladder’s capacities therefore the load must never exceed the ladder capacity for any given position.
Match
123
2009 LTI: The winch is a multi-speed model providing high torque – slow speed (_____) lifting for heavy loads or low torque - higher speed (_____) lifting for lighter loads.
Clockwise
| counterclockwise
124
2009 LTI: The Winch utilizes a common _________, which can be easily removed when needed. Storage of the Winch Handle is also provided on the ___ side of the winch tube mount.
Hitch-pin arrangement
| Left
125
2009 LTI: ______ rope is recommended. The rated capacity of the ___ rope is well beyond the ratings of both the winch and the ladder.
1/2’’ static kernmantle
| 1/2’’
126
2009 LTI: Attach rope to object to be lifted. A ____rope should also be attached to the object to minimize sway or movement of the object.
Guy
127
2009 LTI: NOTE: A guy rope monitored by someone on the ground will help minimize sway and horizontal movement of the object which would place extra loading on the aerial device. Be aware of and make allowance for wind and/or other conditions which may put additional stress on ladder. Depending on the object to be lifted, a ___, or preferably a ___ point attachment must be utilized.
2 preferably 4
128
2009 LTI: Wrap rope around the mechanical winch in a _____direction when looking down on the unit from the top. An ____ has been cut into the winch mounting plate to clearly identify the proper path of the rope.
Clockwise
| Arrow
129
2009 LTI: Wrap the rope_____-____times around the drum starting at the bottom, working it up until it reaches the winch’s upper arm.
4-5
130
2009 LTI: Seat the rope in the ________groove.
Stripper arm’s self-tailing
131
2009 LTI: The stripper arm and self- tailing groove automatically maintain the ________ on the rope.
Proper tension
132
2009 LTI: Remove winch handle from its storage position and insert into ___ of winch. Winch is now ready for use.
Top
133
2009 LTI: NOTES: Holes are cut into the winch mounting plate permitting ______ to be used along with some type of safety system (triple sliding hitch, cam device, etc.) on the load side of the winch assembly. A second ___can also be used, threaded through the tip rope roller and connected to the load providing a secondary safety system in the event the main line would fail.
Carabiners
| Rope
134
2009 LTI: NOTE: A _____ can be utilized to assist with turning of the winch handle. Once the load has been lifted enough to clear obstacles, the raise and rotating functions can be used to move the load more quickly out of harms way. During this time it is very important that a guy rope be utilized to steady the load and reduce sway.
SECOND PERSON
135
2009 LTI: Winch Lifting System – Turntable Mounted: Lowering Procedure. Carefully remove wraps from the winch while slowly allowing rope to pay out
from the winch. To slow movement, ________ around winch. The heavier the weight, the more wraps will be needed for proper control.
Add wraps
136
2009 LTI: consists of a center sheave with a retainer weldment and two rope attachment loops, one on each side, all mounted to a shaft at the tip of the ladder.
Rope roller assembly
137
2009 LTI: The two loops provide for________points while the center sheave allows one or more ropes to easily pass around the tip of the ladder and down to an object for lifting.
Convenient tie off
138
2009 LTI: The rope roller can be used with or without the turntable mounted __________which provides mechanical advantage and easier monitoring of the rope and load.
Winch lifting system
139
2009 LTI: During water stream operations or personnel rescue situations, a ________permits the Roller Assembly to be completely removed providing a clear tip area.
Quick release pin
