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AO STUDY MATERIAL > 95/96 LTI > Flashcards

95/96 LTI Flashcards

1
Q

The 95/96 Simon-LTI is equipped with a ___________ engine and transmission.

A

Computer-controlled

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2
Q

What is the max height (top of tiller cab) of the 95/96 LTI?

A

11’8”

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3
Q

What is the height (top of cab roof) of the 95/96 LTI?

A

10’5”

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4
Q

What is the height when the cab is in the full tilt position on the 95/96 LTI?

A

16’2”

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5
Q

What is the length of the 95/96 LTI?

A

54’10”

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6
Q

What is the width (including mirrors of the 95/96 LTI?

A

10’0”

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7
Q

What is the GVWR (Gross Vehicle Weight Rating) of the 95/96 LTI?

A

65,500 lbs

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8
Q

What is the GAWR (Gross Axle Weight Rating) of the front axle on the 95/96 LTI?

A

20,000 lbs

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9
Q

What is the GAWR (Gross Axle Weight Rating) of the rear axle on the 95/96 LTI?

A

24,000 lbs

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10
Q

What is the GAWR (Gross Axle Weight Rating) of the tiller axle won the 95/96 LTI?

A

21,500 lbs

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11
Q

What is the Apparatus Average Weight (fully loaded including personnel) of the 95 LTI?

A

58,760 lbs

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12
Q

What is the Apparatus Average Weight (fully loaded including personnel) of the 96 LTI?

A

58,910 lbs

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13
Q

What is the Apparatus Average Weight (Front Axle) of the 95 LTI?

A

16,150 lbs

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14
Q

What is the Apparatus Average Weight (Rear Axle) of the 95 LTI?

A

21,330 lbs

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15
Q

What is the Apparatus Average Weight (Tiller Axle) of the 95 LTI?

A

21,280 lbs

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16
Q

What is the Apparatus Average Weight (Front Axle) of the 96 LTI?

A

15,650 lbs

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17
Q

What is the Apparatus Average Weight (Rear Axle) of the 96 LTI?

A

22,550 lbs

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18
Q

What is the Apparatus Average Weight (Tiller Axle) of the 96 LTI?

A

20,710 lbs

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19
Q

What is the Ground Jack Spread (fully deployed) on the 95/96 LTI?

A

16 feet

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20
Q

What is the Apparatus Normal System Voltage Operating Range of the 95/96 LTI?

A

12.9 - 14.4 Volts

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21
Q

What is the Engine Oil Pressure Normal Operating Range of the 95/96 LTI with Cummins engine?

A

10 psi minimum @ idle & 35-45 psi @ rated

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22
Q

What is the Engine Oil Pressure Normal Operating Range of the 96 LTI with Detroit engine (60529)?

A

12 psi minimum @ idle & 50 psi minimum @ rated

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23
Q

What is the Engine Coolant Temperature Normal Operating Range of the 96 LTI with Detroit engine (60529)?

A

160 to 210 degrees F, max 230 degrees F

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24
Q

What is the Engine Coolant Temperature Normal Operating Range of the 95/96 LTI with Cummins engine?

A

180 to 200 degrees F, max 220 degrees F

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25
Q

What tis the Transmission Fluid Temperature Normal Operating Range of the 95/96 LTI?

A

140 to 220 degrees F

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26
Q

What tis the Air Brake System Normal Operating Range of the 95/96 LTI?

A

90 psi to 120 psi

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27
Q

What is the Fuel Tank Capacity of the 95/96 LTI?

A

50 gallons

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28
Q

What is the Fast Idle of the 95/96 LTI?

A

1,500 - 1,600 RPM

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29
Q

What is the rating of the Emergency Power Unit (EPU) Pump on the 95/96 LTI?

A

1.5 GPM @ 2,000 psi

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30
Q

What is the Engine Oil Pressure of the Onan Generator on the 95/96 LTI?

A

28 - 64 psi @ normal operating temperature

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31
Q

What is the Engine Coolant Temperature of the Onan Generator on the 95/96 LTI?

A

160 to 195 degrees F

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32
Q

What is the Output of the Onan Generator on the 95/96 LTI?

A

7.5 kW

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33
Q

What is the DC Voltmeter of the Onan Generator on the 95/96 LTI?

A

12.5 - 15 Volts

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34
Q

What is the Oil Reservoir Capacity of the hydraulic system on the 95/96 LTI?

A

40 gallons

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35
Q

What is the Hydraulic Pump Capacity on the 95/96 LTI?

A

20 GPM

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36
Q

What is the Maximum System Pressure of the hydraulic system on the 95/96 LTI?

A

2,800 psi

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37
Q

What is the Outrigger Relief Valve Setting on the 95/96 LTI?

A

2,000 psi

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38
Q

What is the Hoist Maximum Pressure on the 95/96 LTI?

A

2,800 psi

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39
Q

What is the Rotate Maximum Pressure on the 95/96 LTI?

A

1,500 psi

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40
Q

What is the Extend/Retract Maximum Pressure on the 95/96 LTI?

A

2,000 psi

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41
Q

What is the Lowering into Cradle Maximum Pressure on the 95/96 LTI?

A

800 psi

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42
Q

What is the Ground Jack Deployed Light Activation Pressure on the 95/96 LTI

A

800 psi

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43
Q

What is the Elevation of the Aerial Ladder on the 95/96 LTI?

A

-4 degrees to +75 degrees

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44
Q

What is the Retracted length of the Aerial Ladder on the 95/96 LTI?

A

31.8 feet

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45
Q

What is the Extended length of the Aerial Ladder on the 95/96 LTI?

A

94 feet

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46
Q

What is the Elevated Heigh of the Aerial Ladder on the 95/96 LTI?

A

100 feet

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47
Q

How many Sections does the Aerial Ladder of the 95/96 LTI have?

A

4 sections

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48
Q

What Engine and Transmission do the 95/96 LTI with Cummins have?

A

Cummins 460 BHP, 14.0 Liter, N-14-460E, Celect Electronic Controls with a Allison HD 4560P 5-Speed Automatic World Transmission

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49
Q

What Engine and Transmission does the 96 LTI with Detroit have?

A

Detroit Diesel 470 BHP, 12.7 Liter, Series 60, DDEC IV Electronic Controls with a Allison HD 4560P 5-Speed Automatic World Transmission

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50
Q

What is the size of the front tire on the 95/96 LTI?

A

Michelin 385/65R 22.5 Front Tires

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51
Q

What is the size of the rear tire on the 95/96 LTI?

A

Michelin 12R 22.5 Rear Tires

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52
Q

What is the size of the tiller tire on the 95/96 LTI?

A

Michelin 425/65R 22.5 Tiller Tires

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53
Q

Do the 96 LTI’s have Jakes or Telmas?

A

Telma Model F2400 Focal Driveline Retarder

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54
Q

Do the 95 LTI’s have Jakes or Telmas?

A

Jacobs Engine Brakes with exceptionalities of #60486

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55
Q

The High Water Temperature Indicator Light on the 95/96 LTI illuminates when the engine coolant temperature rises above _________.

A

220 degrees F

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56
Q

What are the Jackknife Warning Angles on the 95 LTI?

A

65 and 90 degrees

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57
Q

What are the Jackknife Warning Angles on the 96 LTI?

A

65 and 80 degrees

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58
Q

The normal temperature range for transmission fluid when reading the Transmission Temperature Gauge is what?

A

140 to 220 degrees F

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59
Q

The Low Air Pressure Indicator Light will illuminate when the brake circuit falls below _____.

A

60 psi

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60
Q

The Air Cleaner Restriction Gauge indicates the amount of air restriction in the engine air intake. Maximum restriction at full-load and governed rpm is _____ inches H20 and maximum restriction at no-load and governed rpm is _____ inches H20.

A

25; 12

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61
Q

The Low Engine Oil Pressure Indicator Light will illuminate when oil pressure falls below _____.

A

3 psi

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62
Q

The ignition switch is a ______ style switch.

A

“rocker”

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63
Q

The MDT will continue to draw an electrical current of _____________ even though the battery master switch may be turned off.

A

Approximately 7 to 8 amps

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64
Q

The Telma Retarder Intensity Control Lever uses a ______ to select the amount of retarding effect.

A

Five-position lever

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65
Q

What are the setting of the Jake Brake?

A

High/Medium/Low

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66
Q

The High Idle Switch enables the engine high idle feature and raises the engine rpm to ________.

A

Approximately 1,000 rpm

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67
Q

What are the settings on the tiller cab heater of the 95/96 LTI?

A

Low - 2,900 BTU
Medium - 4,100 BTU
High - 6,150 BTU

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68
Q

The Detroit Diesel (‘96, 60529), Series 60 DDEC IV, is a six cylinder valve-in-head type engine. It has a ___ bore and a ___ stroke, with a total piston displacement of ___ cubic inches and a compression ratio of ___

A

5.12” bore; 6.30” stroke; 774 cubic inches; 15.0 to 1

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69
Q

The ‘96 Detroit Diesel, develops its highest torque, ____ ft lbs at ____ rpm and its rated horsepower 470 at ____ rpm.

A

1,550-ft lbs; 1,200 rpm, 2,100 rpm

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70
Q

The operating range of the ‘96 Detroit Diesel is ____ rpm to _____ rpm, and is designed to run at lower rpm’s.

A

1,200 to 1800 rpm

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71
Q

The ‘96 Detroit Diesel gets the best fuel economy at ____-____ rpm.

A

1,200 to 1,800 rpm

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72
Q

The ‘96 Detroit Diesel engine can run an additional ____ higher than its maximum operating range.

A

7%

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73
Q

The Cummins diesel, model N-14-460E, is a six-cylinder valve-in-head type engine. It has a _____ bore and a _____ stroke, with a total piston displacement of _____ cubic inches and a compression ratio of _____

A

5-1/2” bore; 6” stroke; 855 cubic inches:16.3 to 1

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74
Q

The N-14 develops its highest torque, _____ at _____ rpm and its highest horsepower 460 at _____ rpm, and is designed to run at lower rpm.

A

1,550-ft lbs; 1,200 rpm; 1,600 rpm

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75
Q

The 95/95 N-14 achieves its best fuel economy between ____ and ____ rpm

A

Between 1,200 and 1,600 rpm

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76
Q

The 95/96 N-14 engine can run an additional _____ higher than its maximum operating range.

A

7%

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77
Q

Under full acceleration (100% pedal travel) the transmission shift points occurs at __________.

A

Approximately 2,100 rpm

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78
Q

What gear range should you used when pulling through mud or wherever maximum traction is desired, when maneuvering in tight spaces, or while driving up or down steep grades?

A

First Gear Range (1)

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79
Q

What are the transmission speed ranges for each gear?

A 
1 - 15
2 - 23 
3- 33
4- 53
5 - 68
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80
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 ______, an inspection should be made to determine the cause.

A

15 seconds; 15 seconds; four attempts

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81
Q

If there is no oil pressure indicated within ____ to ____ seconds, stop the engine and check the lubricating system.

A

10 to 15 seconds

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82
Q

Engine response versus pedal movement may feel different from a mechanical
governed engine. The electronic foot pedal assembly was designed to communicate ________ of foot pedal travel to the engine’s electronic control module. The engine will respond accordingly to the driver’s demand.

A

“Percentage”

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83
Q

If apparatus is to be idling for longer than ______, engage the “High Idle” switch.

A

5 minutes. During long engine idling periods with the transmission in neutral, the engine coolant temperature may fall below the normal operating range. Incomplete combustion of fuel is the end result of this, which can cause crankcase dilution, formation of lacquer or gummy deposits on the valves, pistons, and rings, and rapid accumulation of sludge in the engine. Always engage the high idle feature of the engine when long periods of idling are expected.

84
Q

When stopping the engine, allow the engine to idle for ____ to ____ minutes. This allows the turbocharger adequate time to slow and cool down.

A

Four to five minutes. Stopping a turbocharged engine immediately after high-speed operation may cause damage to the turbocharger as it will continue to turn without an oil supply to the bearings. Failure of turbo oil seals and/or bearings are the likely results of this practice

85
Q

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

A

195 degrees F

86
Q

The apparatus is equipped with a dual circuit air brake (primary and secondary) system and a rear spring brake parking system. The front axle and the rear axle brake circuits are each supplied air by separate air reservoirs. Air brake operating system pressure for safe operation is between ___________.

A

90 and 120 psi

87
Q

The secondary delivery system of the dual circuit air brake system supplies air to the _________________, whereas the primary delivery system supplies air to the _________________.

A

front axle service circuit; rear axle service circuit

88
Q

In the event air brake system pressure drops below _______ a warning buzzer and light will come on. As soon as system air pressure increase past _______, the warning light and buzzer will shut-off.

A

65 psi; 65-75 psi

89
Q

When applying the brakes it is recommended that a ______________ be applied to the brake pedal as opposed to ______ the brake pedal. Pumping the brake pedal may deplete the brake systems air reservoir supply.

A

firm, constant pressure; “pumping”

90
Q

The apparatus dual circuit air brake system has a quick buildup feature that allows the pressure to be built up in the ___________ first to enable release of the parking brakes.

A

Rear brake (primary) section

91
Q

The apparatus spring brakes are located on the _____. The spring brakes are applied and released by operation of the yellow Parking Brake valve located on the engine doghouse instrument panel

A

Rear axle

92
Q

If air pressure is lost in the rear (primary) service brake section, the spring brakes will be modulated by pressure from the secondary reservoir allowing a few brake applications before the spring brakes are automatically applied. If air pressure is reduced to approximately _____ in both systems, the spring brake valve will automatically apply.

A

40 psi

93
Q

When parking the apparatus, whether on level terrain or on a grade, always __________. Failure to follow these procedures may lead to loss of vehicle control, property damage, personal injury or death

A

Chock the wheels

94
Q

The Telma Retarder is a device, which is attached to the _________ of the apparatus.

A

Rear axle

95
Q

The Telma retarder may be used for ____________, _____________ and _____________.

A

Descending grades, driving in city traffic and whenever vehicle retarding is required

96
Q

The Telma Retarder has a low speed switch which deactivates the retarder when the vehicle speed is below ________.

A

2 to 3 mph. This is to prevent the retarder from staying on once the vehicle has come to a complete stop; thus preventing a large draw on the electric system.

97
Q

A slight pressure on the brake pedal brings the retarder progressively into operation, carrying it through the four positions. The following pressures applied to the brake pedal activates each position:

A
  • 3 psi - 25% effect
  • 5 psi - 50% effect
  • 7 psi - 75% effect
  • 10 psi - 100% effect
98
Q

Each stage of the Telma draws approximately ______ amps. When all four stages are activated, the Telma draws approximately ____ amps

A

50 to 60; 250

99
Q

The Jacob’s engine brake (Jake Brake) is a device, which uses the energy of the ___________ to provide vehicle retardation

A

Engine compression

100
Q

Diesel engines have __________ retarding effect upon vehicles than do gasoline engines.

A

Substantially less. This is due to lack of restriction in the diesel intake manifold

101
Q

The engine brake may be used for _________, _________, or when _________ and, in general, whenever ___________.

A

descending grades, driving in city traffic, or when approaching stop lights and, in general, whenever vehicle retarding is required.

102
Q

The Jake Brake reacts quickly; it will activator deactivate in less than ________.

A

1/4 of a second

103
Q

The engine should be _______ before engaging the Jake brake.

A

Fairly warm. The engine preheater water temperature is sufficient

104
Q

What are the three positions of the Jake brake?

A
  • Low: activates two cylinders for medium engine retarding
  • Medium: activates four cylinders for moderate engine retarding
  • High: activates six cylinders for maximum engine retarding
105
Q

TRUE OR FALSE: The selector switch position of the Jake brake can be changed at any time without fear of damaging any of the engine components.

A

TRUE

106
Q

Can you engage the Jake brake on wet streets?

A

No, do not engage the Jake Brake on wet streets. The additional braking effort on the drive wheels (duals) can cause them to lock up which could result in an uncontrollable skid.

107
Q

What does the Onan Mobile Genset, model 7.5HDKAL-1C power?

A

Used to power the 110-volt lighting and electrical outlets on the apparatus.

108
Q

Where is the Onan generator located?

A

The generator is permanently mounted behind the compartment on the tractor chassis

109
Q

What is the Onan generator powered by?

A

Powered by a Diesel engine

110
Q

The Onan uses the ___________ to power its controls and starting circuits.

A

Apparatus batteries

111
Q

Controls for the Onan are located where?

A

1) Switches mounted on the generator itself
2) A control box inside the left compartment on the chassis
3) Switches located on the dash board of the tractor cab

112
Q

What do the controls located on the Onan consist of?

A

Consist of a start/stop/pre-heat switch, oil pressure gauge, temperature gauge, volts gauge and hours meter

113
Q

What do the controls for the Onan located in the left compartment of the chassis consist of?

A

Consist of a start/stop/pre-heat switch, circuit breaker panel and quartz light switches

114
Q

What doe the controls for the Onan located on the tractor cab dash board consist of?

A

Consist of a start/stop/pre-heat switch and indicator light

115
Q

How many Amps is the Onan?

A

31

116
Q

What is the RPM of the Onan?

A

1,800

117
Q

How long is the cord reel and how many receptacles for the 95/96 LTI?

A

Reel contains 200’ of electrical cord with two 20-amp receptacles

118
Q

When operating, the Genset supplies power to the electrical panel located in the left compartment of the tractor chassis. On the ‘95 LTI, the electrical panel consist of _____ circuit breakers and on the ‘96 LTI, the electrical panel consist of ______ circuit breakers.

A

10; 11

119
Q

What will the Onan do if the sum of the load exceeds the rating?

A

The Genset will shut down or its circuit breakers will trip

120
Q

Why may the Genset shut down due to overload, even though the sum of the loads is less than the rating?

A

When a large motor is started last or cycles off and then on again. The reason for this is that the motor start up load is much larger than the running load.

121
Q

When using the Onan, keep a no-load operation __________.

A

To a minimum. During no-load operation, combustion chamber temperatures drop to the point where the fuel does not completely burn, causing slobbering and white smoke

122
Q

What is the starting procedure for the Onan Generator?

A

1) Disconnect all loads
2) Push the start button once. The generator will automatically pre-heat and start when complete
3) Connect the electrical loads after the Genset has warmed up for a few minutes
4) Check for fuel, exhaust, oil and coolant leaks
5) When stopping the Gensett, let it cool down by running at no-load for three to five minutes

123
Q

When stopping the Genset, let it cool down by running at no-load for _____________.

A

Three to five minutes

124
Q

The LTI QS-100 aerial ladder is a 4 section, all __________ steel, welded construction, _____ pound tip load, pedestal with controls and indicators, hydraulic and cable extension, ___ handrails and ____ diameter K-braced rungs, spaced __________ with replaceable rung covers

A

Rectangular tubular; 250; 15”; 1-1/2”; 14” on center

125
Q

On the 95/96 LTI, what is the retracted length of the aerial? Extended length? Elevated height?

A

31.8’; 94’; 100’

126
Q

The outrigger system consists of a _____________ and _____, powered by double-acting hydraulic cylinders, integral-holding valves and manual pin lock as back-up locks.

A

Double-box beams and jacks

127
Q

An __________ and ring gear attach the aerial to the chassis; thus providing ___________ rotation.

A

Anti-friction ball bearing; 350 degree continuous

128
Q

Rotation of the aerial is achieved through a ________ reduction drive powered by a hydraulic motor.

A

Planetary gear

129
Q

An automatic _______ brake is used to stop the rotation of the aerial.

A

Disc-type

130
Q

The aerial electrical system is a __________________________, utilizing the apparatus frame as ground.

A

Single wire; negative ground return type

131
Q

Personnel on the ladder should maintain a distance of ________.

A

10 feet apart

132
Q

Never set the outrigger jack over a ______ or ______. Also, beams should not ________________.

A

Storm drain or manhole cover; Bridge the street and the curb

133
Q

TRUE OR FALSE: Never operate the aerial ladder Ron the same side as a short-jack outrigger.

A

TRUE

134
Q

Never support the aerial. The aerial is designed with its maximum strength available in the __________ configuration.

A

Unsupported

135
Q

When operating the aerial ladder, position the ladder approximately _____________ above the objective.

A

Six inches to twelve inches

136
Q

Always keep the aerial at least ________ away from all wiring.

A

10 feet

137
Q

On the 95/96 LTI, do not operate the ladder elevated in wind conditions exceeding ______.

A

30 mp

138
Q

Full rated capacities are allowable on grades up to, but not including, ______

A

6%/3.5 degrees

139
Q

On grades between _____ and _____, capacities are reduced by 50%.

A

6%/14% or 3.5 degrees/8.0 degrees.

140
Q

Operating on grades in excess of ______ is prohibited.

A

14%/9 degrees

141
Q

The outrigger circuit pressure gauge is a ___________ pressure gauge piped directly into the outrigger valve bank.

A

0-5,000 psi

142
Q

The outrigger relief system relieves at ________.

A

2,000 psi

143
Q

The Hydraulic System Pressure Gauge on the pedestal registers working pressure in the hydraulic system from _____ to _____ psi. With all controls in neutral, the gauge registers static pressure in the system.

A

0 to 5,000 psi

144
Q

Pressure to hoist should not exceed _____.

A

2,800 psi

145
Q

Pressure to rotate should not exceed _____.

A

1,500 psi

146
Q

Pressure to extend/retract should not exceed _____.

A

2,000 psi

147
Q

The Inclinometer is a floating ball-type angle indicator calibrated from ____ to ____.

A

-20 degrees to +80 degrees

148
Q

The Aerial Extension Indicators rarer extension indicators marked off in ____________.

A

5 foot increments

149
Q

Even though aerial operation is permissible with the tiller trailer in line, optimum stability is attained with the trailer _____________ from the working side.

A

Jack-knifed away

150
Q

Over the rear operation is defined as angles up to and including ________ to either side of the apparatus centerline. Over the rear afford the most stable operating position for the aerial.

A

45 degrees

151
Q

Why are chock blocks used?

A

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 front and tiller tires.

152
Q

What do the auxiliary jack pads do?

A

They give greater surface bearing area for the jacks.

153
Q

When all switches are activated for a particular outrigger, its great light, at the outrigger control box, will light at ______.

A

800 lbs

154
Q

What 5 criteria must fully deployed outriggers meet?

A

1) Both beams are extended to full travel
2) Jacks extended, as necessary
3) Jacks must be in contact with a solid, load-bearing surface
4) Outrigger pads done properly
5) Manual locking pins inserted properly

155
Q

Cab operation before operation:

A
  • Apparatus running
  • Emergency lights on
  • Parking brakes on
  • Tillerman horn signal
  • Check parking brake indicator light
  • Transmission in neutral
  • Aerial switch on
  • PTO switch on
  • Check PTO ENGAGED indicator light
  • A/C off
156
Q

What will happen if at anytime the road transmission is shifted into gear while performing aerial operations?

A

The Chelsea Hot Start will automatically disengage the PTO

157
Q

What is the proper method for deployment of the outriggers?

A

The proper method for deployment of the outriggers is to relieve the weight from the tractor’s rear springs (tractor’s rear tires and tiller steering axle tires maintaining ground contact), allowing the frame and aerial support structure to assume the operating load.

158
Q

When deploying the outriggers, extend down low side jack until bubble in the aerial leveling indicator moves just past level about ______.

A

1/8”

159
Q

When deploying the outriggers, choose a hole that is a minimum ____ below jack skirt.

A

1/4”. Allow 1/4” minimum clearance above the locking pin when inserted through holes in skirt. Continuous operation with weight on pins will elongate holes

160
Q

When deploying the outriggers, Fully insert manual locking pin and then back pin out ____ (if leveling is not required)

A

1/2”

161
Q

The Emergency Power Unit (EPU) is a __-volt dc electric motor and a ___ gpm at ____ psi pump.

A

12-volt; 1.5 gpm at 2,000 psi

162
Q

EPU operation is _________ of the aerial electrical system and the PTO switch should be _________.

A

Independent; turned off

163
Q

When the EPU is activated it will move the aerial or outriggers in the event of a _______________.

A

Main system failure

164
Q

The EPU on the 95/96 LTI 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 _____ seconds in every _____ minutes.

A

3 minutes; 7% duty cycle, 21 seconds in every 5 minutes

165
Q

Full cab tilt position is approximately _______.

A

Approximately 50 degrees

166
Q

When lowering the cab from the cab tilt position, hold the LOWER switch until the cab has settled on its supports and continue to hold for another ________ to insure that the cab locks are fully engaged.

A

5 seconds

167
Q

Spring brake chambers require air pressure to release. If sufficient pressure is not available and if the vehicle must be towed, the spring brakes can be manually released or “caged.” How do you manually release the spring chamber?

A

To manually release the spring brake chamber, unscrew (turn counter- clockwise) the 1/2” diameter bolt located at the end of the spring brake chamber utilizing a 3/4” box end wrench or socket assembly. The bolt should be unscrewed until it can no longer be turned in the counter-clockwise direction. If possible and there is enough air in the system, release the spring brakes by pushing in on the yellow brake knob before attempting to “cage” the brakes. This will supply air to the spring brakes thus compressing the internal spring making the caging process much easier

168
Q

The batteries in the apparatus are of the ______________.

A

Maintenance free design

169
Q

When jump starting apparatus, to avoid damage to vehicle electronic components, voltage supplied to a vehicle’s electrical system must not exceed ______.

A

16.0 volts

170
Q

When jump starting apparatus, connect one end of the second jumper cable to the negative terminal on the booster battery, and the other end to the frame of the disabled vehicle at least ________ away from the battery.

A

At least 18 inches away

171
Q

Per the 95/96 LTI logbook, what are the tire pressures?

A
  • Front: 105 psi
  • Rear: 100 psi
  • Tiller: 110 psi
172
Q

Belts should have a maximum deflection of ____ measured at a point midway between pulleys.

A

1/2”

173
Q

When checking tread depth with an approved gauge, measure the depth at the center of the tire tread. A reading of _____ or less should be called in for needing replacement.

A

1/8”

174
Q

After completing cleaning and lubing the aerial ladder, hoist the ladder to _______ and then retract. This will prevent the newly applied grease from being scarped off when the ladder is retracted.

A

60 degrees

175
Q

When lubricating the fifth wheel, inject grease with the _________, ______ to the left and ______ to the right of the trailer. This will allow the grease to travel completely around the fifth wheel race.

A

Tractor inline, 60 degrees to the left and 60 degrees to the right

176
Q

When calling for apparatus tire replacement, the following information may be required to determine the closest replacement match:

A
  • Apparatus make
  • Shop number
  • Tire size
  • Tire location
  • Tread design
  • Tread groove depth
  • Circumference or height
  • Inner or outer
  • Finish on wheel
177
Q

What type of oil do the 95/96 LTI use?

A

15W-40 motor oil

178
Q

What is the oil capacity of the ‘96 LTI with the Detroit Diesel?

A

With filter: 38 quarts

Without filter: 32 quarts

179
Q

What is the oil capacity of the 95/96s with the Cummins N-14?

A

With filter: 44 quarts

Without filter: 38 quarts

180
Q

What is the road transmission fluid and capacity?

A

ATF (Dexron II) 51 quarts

181
Q

What is the drive axle fluid and capacity?

A

90W-140 Oil 24 quarts

182
Q

What is the engine coolant capacity on the 96 Detroit?

A

59.5 quarts

183
Q

What is the engine coolant capacity on the 95/96 Cummins?

A

45.5 quarts

184
Q

What is the power steering fluid and capacity?

A

15W-40 Motor Oil 11 quarts

185
Q

What is the Aerial Hydraulic Reservoir fluid and capacity?

A

AW Hydraulic Oil 32 Chevron 40 gallons

186
Q

What is the cab lift hydraulic fluid and capacity?

A

ATF (Dexron II) 4 quarts

187
Q

What is the Onan Generator Oil fluid and capacity?

A

15W-40 Motor Oil 4 quarts

188
Q

What is the Onan Generator Coolant capacity?

A

5 quarts

189
Q

What is the swing drive oil fluid?

A

90W Gear Oil

190
Q

The batteries in the apparatus are of the _____________ design. To ensure a proper electrical supply, battery terminals must be ________ and ________. Observe and not the condition of the battery maintenance “____.” It must register a green color.

A

Maintenance free design; clean and tight; eye

191
Q

The alternator is ____ amps and is of the self-energizing type.

A

240

192
Q

If the distance of the brake push rod travel exceeds ________ on the rear or front brakes, the brakes are out of adjustment and require immediate attention.

A

2 inches

193
Q

When inspecting the brake adjustment, it is recommended that the __________ and the _________ be inspected for air leakage at the same time.

A

Flexible air lines and the brake diaphragms

194
Q

When inspecting the brake lining, the lining should not be less than _____ on either pad. A good rule of thumb is that the lining should not be less than the steel backing plate of the shoe.

A

1/4”

195
Q

The Jake brake is a _______ engine attachment that, when energized, altars the engine exhaust valves operation which converts the diesel engine into an air compressor.

A

Hydraulic

196
Q

What is a DANGER?

A

Danger is used when an operating procedure, practice, etc., if not followed correctly, could result in personal injury or loss of life

197
Q

What is CAUTION?

A

Caution is used when an operating procedure, practice, etc., if not strictly observed, could result in damage to or destruction of equipment.

198
Q

What is NOTE?

A

Note is used when an operating procedure, practice, etc., is essential to highlight.

199
Q

In the 95/96 LTI, what type of communication system is used?

A

David Clark Communications System

200
Q

The Log Book is divided into ____ sections.

A

5 sections

  • Introductions
  • Driving and Controls
  • Aerial Operations
  • Maintenance
  • Records
201
Q

The Cummins motor has an electronic AFF function. What does AFC mean?

A

Air Fuel Control

202
Q

Stopping a turbocharged engine immediately after high-speed operation may cause damage to the turbocharger as it will continue to turn without an oil supply to the ___________. Failure of turbo oil seals and/or ____________ are the likely results of this practice.

A

Bearings

203
Q

After tilting the cab, insert both cab safety locks onto the cab tilt rams. _____________ lower the cab onto the safety locks.

A

DO NOT

204
Q

Batteries give off _____________, which is highly explosive. Keep all sources off ignition away while working on batteries.

A

Hydrogen gas

205
Q

When checking for air leaks, listen for air escaping around the brake chamber clamps and push rod hole. Any leakage indicates what?

A

Leaking diaphragm

206
Q

The alternator is a _______________.

A

Leece-Neville

AO STUDY MATERIAL (33 decks)

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