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SSSStudy > 2003 LTI > Flashcards

2003 LTI Flashcards

1
Q

General Specifications for Shop # 60600 – 60601 & 60611 - 60612

A

60600 – 60601 & 60611 - 60612

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2
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"
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3
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

VW: 65,500 lbs
Front: 20,000 lbs
Rear: 24,00 lbs
Tiller: 21,500 lbs

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4
Q

Ground Jack Spread - Fully Deployed ___

A

14’

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5
Q

Apparatus Normal System Voltage Operating Range ____

A

12.9 – 14.4 Volts

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6
Q

Engine Oil Pressure Normal Operating Range (60600, 60611 & 60612) ___ (min) @ idle & ___ (min) @ rated speed

A

12 psi idle

50 psi rated speeed

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7
Q

Engine Oil Pressure Normal Operating Range (60601) ___ psi (min) @ idle & ____ psi @ rated speed

A

5 psi idle

30 to 45 psi rated speed

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8
Q

Engine Coolant Temperature Normal Operating Range (60600, 60611 & 60612) _____, Max ____

A

160º to 210º F

Max. 230º F

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9
Q

Engine Coolant Temperature Normal Operating Range (60601) _____ Max. ____

A

189º to 208º F

Max. 216º F

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10
Q

Engine Fan Clutch Engagement

A

207º F

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11
Q

Transmission Fluid Temperature Normal Operating Range

A

140º to 220º F

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12
Q

Air Brake System Normal Operating Range

A

90 psi to 120 psi

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13
Q

Fuel Tank Capacity

A

65 Gallons

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14
Q

Fast Idle

A

1500 – 1600 RPM

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15
Q

Emergency Power Unit (EPU) Pump

A

1.5 GPM @ 2000 PSI

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16
Q

ONAN: Engine Oil Pressure___ @ normal operating temp.

A

28 – 64 PSI

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17
Q

Onan: Engine Coolant Temperature

A

160º to 195º F

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18
Q

ONAN:
Output
DC Voltmeter

A
  1. 5 kW

12. 5 - 15 Volts

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19
Q

HYDRAULIC SYSTEM:
Oil Reservoir Capacity
Hydraulic Pump Capacity

A

40 Gallons

20 GPM

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20
Q 
HYDRAULIC SYSTEM:
Maximum System Pressure 2800 PSI
Outrigger Relief Valve Setting 2000 PSI
Hoist Maximum Pressure 2800 PSI
Rotate Maximum Pressure 1500 PSI
Extend/Retract Maximum Pressure 2000 PSI
A 
System: 2800 psi
Relief: 2000 psi
Hoist: 2800 psi
Rotate: 1500 psi
EXT & Retract: 2000 psi
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21
Q 
Elevation 
Retracted 
Extended 
Elevated Height 
Sections
A

-4º to +75º
31.8 Feet
94 Feet
100 Feet
4

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22
Q

ENGINE:
Detroit Diesel 470 BHP, 12.7 Liter, Series 60, DDEC IV

Caterpillar 505 BHP, 12.0 Liter, C-12 Electronic Control

A

(60600, 60611 & 60612)

60601

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23
Q

Allison HD 4560P 5-Speed Automatic World Transmission

A

Allison World Transmission

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24
Q

Rockwell FL 943 “Easy Steer” Front Axle
Rockwell RS23-180 Drive Axle, 5.38:1 Drive Ratio
Rockwell FL 941 “Easy Steer” Tiller Axle
Rockwell Air Disc Brakes Front, Rear and Tiller Axles
Rockwell Wabco ABS (Anti-Lock Brake System)

A

Rockwell Axel. Brakes

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25
Q

385/65R 22.5 Front Tires, Load Rating “J”
12R 22.5 Rear Tires, Load Rating “J”
25/65R 22.5 Tiller Tires, Load Rating “J”

A

Michelin Tires “J” Rating

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26
Q

A remote ON/OFF switch which controls the power to the Kenwood/800 radios and
MDT is located on a vertical panel _____

A

just behind the apparatus operator’s seat.

27
Q

Normal voltage range is from _____

A

12.9 volts to 14.4 volts

28
Q

Normal range is ______ and _____

A

160º F to 210º F (Detroit)

189º F to 208º F (Caterpillar 60601)

29
Q

Normal range is____ psi @ idle to ___psi @ rated rpm (Detroit)

Normal range is ___ psi @ idle to ____ psi @ rated rpm (Caterpillar).

A

Detroit: 12 psi @ idle - 50 psi @ rpm

(60601) Caterpillar: 5 psi @ idle - 30-45 @ rpm

30
Q

Cab Instrumentation Indicator Lights

Consists of ___ that alert and/or warn the driver of specific apparatus functions:

A

16 lights

31
Q

Illuminates when oil pressure falls below ___

or water temperature rises above ___

A

12 PSI

230º F

32
Q

Brake System: Illuminates when air pressure falls below ___

A

65-75 PSI.

33
Q

Low Fuel: Illuminates when approximately ___ of fuel remains.

A

1/8 tank

34
Q

Charging System Warning: Illuminates when

the alternator ______

A

is not charging.

35
Q

Maximum restriction at full-load and governed rpm is____ and maximum restriction at no-load and governed rpm is _____

A

Full load 25 in. H20

No Load 12 in. H20.

36
Q

Illuminates when the tractor and trailer are at a ___ and an ___ angle.

A

65º & 80º

37
Q

The MDT will continue to draw electrical current _____ even though the battery master switch is turned OFF.

A

(approximately 7 to 8 amps)

38
Q

High Idle Switch

This switch enables the engine high idle feature and raises the engine rpm to _____

A

approximately 1000-rpm.

39
Q

Auxiliary Power Ports

Provides___ access for electrical accessories equipped with proper adapter.

A

12 Volt

40
Q

(60600, 60611 & 60612)
The Detroit Diesel, Series 60 DDEC IV, is a six cylinder valve-in-head type engine. It
has a 5.12” bore and a 6.30” stroke

A

Detroit Diesel (60600, 60611 & 60612)
6 cylinder
5.12” bore
6.30” stroke

41
Q

Engine size ____ and a compression ratio of 15.0 to 1.

(60600, 60611 & 60612)

A

774 cubic inches

42
Q

The Series 60 develops its highest torque, 1550-ft
lbs., at ____ and its rated horsepower _____.
(60600, 60611 & 60612)

A

1200 RPM

470 @ 2100 RPM

43
Q

Operating range is ______ RPM

(60600, 60611 & 60612)

A

1200 RPM to 1800 RPM.

44
Q

The best fuel economy is delivered between ____ RPM.

Driving at lower RPM’s it delivers the best performance, largest engine life and best fuel economy.

Greater torque and pulling power at lower RPM.
(60600, 60611 & 60612)

A

1200 – 1800 RPM

45
Q

The engine can run an additional ___ higher than its maximum operating range. (Harmful when cold - lubriation)
(60600, 60611 & 60612)

A

7%

46
Q

The Series 60 DDEC engine is equipped with an electronically controlled fuel injection system
(60600, 60611 & 60612)

A

This system not only helps to improve fuel economy and vehicle performance

47
Q

The Caterpillar, C-12, is a six-cylinder valve-in-head type engine. It has a 5.12” bore and a 5.90” stroke,
(60601)

A

(60601 only)
6 cylinder
5.12” bore
5.90” stroke

48
Q

Engine size _____

60601

A

729 cubic inches & Compression 16.0 to 1

60601 only

49
Q

The C-12 develops its highest torque, _____ and its rated horsepower, ______
(60601 only)

A

1550-ft lbs. @ 1200 RPM
505 Hp @ 1800 RPM
(60601 only)

50
Q

Operating range is _____ RPMs

60601 only

A

1200 to 2100 RPMs

51
Q

The best fuel economy is delivered between _____RPM

60601

A

1200 – 1800 RPMs

52
Q

The engine can run an additional ___ higher than its maximum operating range.
(60601)

A

7%

53
Q

Under full acceleration (100% pedal travel) the transmission shift points occur at approximately _____ rpm.

A

2100 rpm

54
Q

Max Speed ___ @ ___ RPMs

A

68 mph

2100 rpm

55
Q

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 ____.

A

:15
:15
4 attempts

56
Q

(Good indicator) oil pressure gauge registers

pressure _____ at idle speed

A

(at least 12 psi)

57
Q

If there is no oil pressure indicated within _____, stop the engine

A

10 to 15 seconds

58
Q

The pressure should not fall below ____ at 1800 rpm (Detroit)

The pressure should not fall below ____ at 1800 rpm (Caterpillar)

A

28 psi @ 1800 rpm (Detroit)

30 psi @ 1800 rpm (Caterpillar)

59
Q

Allow the engine to idle for_____. This allows the turbocharger adequate time to slow and cool down

A

4 to 5 minutes

60
Q

Try not to shut down the engine unless coolant temperature is _____.

A

195º F or less

61
Q

The apparatus is equipped with a dual circuit air brake (primary and secondary) system, a rear spring brake parking system and an auxiliary front axle parking brake system.

A 
Primary = Rear
Auxiliary = Front
62
Q

Air brake operating system pressure for safe operation is between _____

A

90 and 120 psi

63
Q

This gauge indicates both front _____ and

rear _____

A

Secondary/ Front = Red

Primary/ Rear = White

64
Q

In the event air brake system pressure drops below approximately ___ a warning buzzer and light will come on

A

65 psi

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