2009 LTI Flashcards
(80 cards)
1
Q
Height (max.): Top of Tiller Cab Height: Top of Cab Roof Height: Cab Full Tilt Position Length Width (including mirrors)
A
H Tiller: 11'3" H Cab: 10'0" H Tilt: 15'6" L: 54'6" W: 9'5"
2
Q
GVWR (Gross Vehicle Weight Rating)
GAWR (Gross Axle Weight Rating) Front Axle
GAWR (Gross Axle Weight Rating) Rear Axle
GAWR (Gross Axle Weight Rating) Tiller Axle
A
65,500 lbs
20,000 lbs (Rockwell)
24,000 lbs (Rockwell)
21,500 lbs (Rockwell)
3
Q
Ground Jack Spread - Fully Deployed
A
14 ft
4
Q
Apparatus Normal System Voltage Operating Range
A
12.9 – 14.4 Volts
5
Q
Engine Oil Pressure Normal Operating Range
A
10 psi (min) @ idle 30 - 45 psi @ rated rpm
6
Q
Engine Coolant Temperature Normal Operating Range
A
190º to 208º F Max. 219º F
7
Q
Engine Fan Clutch Engagement
A
208º F and at idle with parking break set
8
Q
Transmission Fluid Temperature Normal Operating Range
A
160º to 200º F
9
Q
Air Brake System Normal Operating Range
A
90 psi to 120 psi
10
Q
Fuel Tank Capacity
A
65 Gallons
11
Q
Fast Idle
A
1500 – 1600 RPM
12
Q
Emergency Power Unit (EPU) Pump
A
1.5 GPM @ 2000 PSI
13
Q
Onan: Engine Oil Pressure
A
28 – 64 PSI @ normal operating temp.
14
Q
Onan: Engine Coolant Temperature
A
160º to 195º F
15
Q
Onan: Output
A
7.5 kW
16
Q
Onan: DC Voltmeter
A
12.5 – 15 Volts
17
Q
Oil Reservoir Capacity
A
40 Gallons
18
Q
Hydraulic Pump Capacity
A
20 GPM
19
Q
Maximum System Pressure
A
2800 PSI
20
Q
Outrigger Relief Valve Setting
A
2000 PSI
21
Q
Hoist Maximum Pressure
A
2800 PSI
22
Q
Rotate Maximum Pressure
A
1500 PSI
23
Q
Extend/Retract Maximum Pressure
A
2000 PSI
24
Q
Lowering into Cradle Maximum Pressure
A
800 PSI
25
Ground Jack Deployed Light Activation Pressure
800 PSI
26
```
Aerial Ladder: Elevation
Aerial Ladder: Retracted
Aerial Ladder: Extended
Aerial Ladder: Elevated Height
Aerial Ladder: Sections
```
-4º to +75º
31.8 Feet
94 Feet
100 Feet
4
27
Engine:
Transmission:
Brakes
- Caterpillar 525 BHP, 12.5 Liter, C-13
- Allison HD 4560P 5-Speed Automatic World Transmission
- Meritor EX 225, Disc Plus, Air Disc Brakes,
28
Power to the Kenwood and 800 radios are
also cut when the battery master switch is turned to the OFF position. The one
exception to this is the _____. The _____ will continue to draw electrical current (approximately _______)
MDT
| 7 to 8 amps
29
High Idle Engine RPM:
Engine rpm approx 1000 rpm
30
Approaching Jackknife Indicator
65º and an 80º angle
31
Low Oil Pressure/High Water Temp:
Illuminates when oil pressure falls below ___
PSI or water temperature rises above ___.
12 PSI
| 230º F
32
Brake System: Illuminates when air pressure
| falls below ____PSI.
65-75
33
Low Fuel: Illuminates when approximately
| ____ tank of fuel remains.
1/8
34
Primary Air Reservoir Gauge
| Indicates the air pressure in the _____brake circuit.
Rear axle
35
Secondary Air Reservoir Gauge
| Indicates the air pressure in the _____brake circuit.
Front
36
Air Cleaner Restriction Gauge:
Maximum restriction
at full-load and governed rpm is ____ in. H20 and maximum restriction at no-load and
governed rpm is _____ in. H20.
Load: 25 in.
| No Load: 15 in.
37
Engine:
Engine Size:
Horsepower:
RPM Range
Caterpillar, C-13, is a six-cylinder
763 Cubic in.
525 Hp @1800 rpm
1200 to 2100 rpm
38
When all segments of the digital display are illuminated for more than ____, the ECU did not complete initialization. When the digital
display is blank, there is _____ to the selector
12 seconds
| no power
39
When the display shows a “cat eye”
| symbol, a selector-related ___ has been logged.
fault code
40
If the engine fails to start within ____, release the starter button and allow the
starting motor to cool for approximately _____ before trying again. If the engine
fails to start after _____
15 seconds
15 seconds
4 attempts
41
parts are getting lubrication is when the oil pressure gauge registers pressure (at least__ psi) at idle speed. If there is no oil
pressure indicated within _____ seconds, stop the engine
and check the lubricating system
10 psi
| 10 to 15 seconds
42
Try not to shut down the engine unless
| coolant temperature is ____ or less
195º F
43
The front axle and the rear axle brake circuits are each supplied air by separate air reservoirs.
safe operation is between ______
90 and 120 psi
44
In the event air brake system pressure drops below approximately ___ a warning buzzer and light will come on
65 psi
45
If air pressure is reduced to
| approximately ____ in both systems, the spring brake valve will automatically apply.
40 psi
46
The engine brake reacts quickly; it will activate or deactivate in less than ____.
1/4 of a second
47
The three-position selector switch allows the operator to choose the desired braking level:
Low – Activates ____ for medium engine retarding.
Medium – Activates ___ for moderate engine retarding.
High – Activates _____ for maximum engine retarding.
Low: 2
Medium: 4
High: 6
48
An alarm sounds if a low voltage condition (below____)
- Shedding begins if low voltage condition continues for ___
11.9 volts
| 1 Minute
49
A shed system (load) will not be recognized for 5__minutes or until the unshed voltage
setting is maintained for __ minute. The fast idle system will be maintained for a
minimum of __ minute and until a voltage reading of ___ is achieved, even if any
system shedding did not occur.
5'
1'
10'
13.0 volts
50
Onan Mobile Genset, model 75HDKAL-1E
voltage
Amps
RPM
120/240
31
1800
51
Cord Reel
Reel contains ___ of electrical cord with __
__-amp receptacles.
200'
2
20amp
52
Electrical panel has __ circuit breakers
| provide ___ volt
12
| 110 volt
53
When stopping the Genset, let it cool down by running at no-load for____ minutes.
3 to 5 minutes
54
The LTI QS-100 aerial ladder is a 4 section, all rectangular tubular steel, welded
construction, ___pond tip load,__ handrails and 1-1/2” diameter K-braced rungs, spaced ___ on center
rectangular tubular steel,
250 lb tip
15" handrails
14" OC
55
Three other spool valves are the aerial
control spool valves; which operate hoisting cylinders, rotation motor, and extension
cylinders.
56
Personnel on the ladder should maintain a distance of ___ apart.
10'
57
EPU Switch
Activates the emergency power unit (electric motor) when a _____ within
the main system occurs.
hydraulic failure
58
Outrigger and Lockout Cylinder Override Control Buttons:
The control buttons are momentary switches, which will shift necessary flow of oil to
the appropriate outrigger jack in the event of an _____.
electrical failure
59
```
Green indicates full operating capacity, yellow indicates 50 percent
operating capacity (_____) and red indicates aerial operation prohibited.
```
3.5 to 8.0 degrees
60
The attachment point has a rating of____.
9,000 lbs
61
The
ladder can be moved______ degrees past the tiller cab toward the short set side and __
degrees past the cab toward the short set side
8 to 10 degrees
| 2 degrees
62
Capstan Receiver
Location where the capstan is attached.
The capstan has the same _____. rating
as the tip load of the aerial ladder.
250 lbs
63
The fast idle is set between _____.
1500 to 1600 rpm
64
Pressure to hoist should not exceed___psi. Pressure to rotate should not exceed ____ psi. Pressure to extend/retract should not exceed ____ psi.
Hoist 2800
Rotate 1500
Extend/Retract 2000
65
A floating ball-type angle indicator calibrated from ____.
-20º to + 80º
66
Choose a hole that is a minimum ___ below jack skirt. Fully insert manual locking pin and then back pin out ___
1/4"
| 1/2"
67
Street grades from 6% to 14% (3.5º to 8.0º on inclinometer) reduce
capacities of the aerial ladder by 50%. Street grades in excess of
14% (>8.0º on inclinometer) prohibit the operation of the aerial.
68
The EPU is a 12-volt dc electric motor and a ___ gpm at ___-psi pump.
1.5 gpm @ 2000 psi
69
The EPU is rated for a maximum of ___(approx.) continuous operation
7' minutes
70
The EPU can be used over a long period of time at a 23% duty cycle, which is
approximately 2.3 minutes in every 10 minutes
(2.3 minutes on and 7.7 minutes off).
71
The alternator is a Leece-Neville LN 4962PA ____ pad mount and is of the selfenergizing type.
320 amp
72
Weekly Engine Maintenance:
Run engine for ____ at high idle (1000
rpm) with air conditioning at maximum cool and
all electrical accessories activated.
10 minutes
73
```
Tire Pressures (Log Books)
Front, Rear, Tiller
```
Front: 100 psi
Rear: 95 psi
Tiller: 115 psi
74
When lubricating the fifth wheel, inject grease with the tractor___, ___ to the left and
___ to the right of the trailer
Inline
60º
60º
75
Motor Oil: 15W-40
Including Filter
Not Including Filter
42 Quarts
76
C-13 Engine develops its highest torque at ____
1650 ft lbs
77
The Caterpillar C-13 engine is equipped with an _____ fuel injection system.
electronically controlled
78
The C-13 engine has no ____ governor.
mechanical
79
The engine brake reacts quickly; it will activate or deactivate in less than _____.
1/4 of a second
80
2006 LTI
| General Specifications for Shop # 60691 – 60704
60691 – 60704
