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AO Study Program Carlos Cativo > Pierce Truck Maintenance > Flashcards

Pierce Truck Maintenance Flashcards

1
Q

This vehicle is equipped with ______-service rated tires

A

Fire

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2
Q

After driving for __ hour at speeds above the standard maximum rated speeds, or at loads over the maximum side- wall rating, park the apparatus for __ hour to allow the tire carcass to cool.

A

1
1

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3
Q

________ each GAWR rating by the number of tires on that axle. If the GAWR rating divided by its tires is greater than the sidewall rating for the tire, then your tire is operating in a fire-service condition.

A

Divide

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4
Q

Do not mount tires together that vary by more than __/__ inch in diameter or __/__ inch in circumference.

A

1/4
3/4

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5
Q

Match dual tires on tandem axles as directed above, but do not place the _____ largest tires on one axle as this may cause high axle oil temperatures and reduced axle life.

A

Four

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6
Q

Over-the-road tractor tandems do not exceed 34,000 pounds loading; whereas typical aerial apparatus tandems may be loaded from ________ pounds to ________ pounds or higher.

A

44,000 to 58,000

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7
Q

Pierce balances all tires and wheels by adding Counteract balancing ______ to the tire/wheel during assembly.

A

Beads

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8
Q

Oshkosh Corporation in conformance with 40CFR§1037.120 warrants New Heavy-Duty Motor Vehicles for ___ years or ________ miles.

A

2
24,000

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9
Q

Wheel nuts must be checked for proper torque after the first ___ to ____ miles of service, then frequently as part of periodic maintenance.

A

50 to 100

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10
Q

Wheel Nut Torque Chart - 10 Hole, 285.75 mm – Hub Piloted M___ x 1.5 ____–____ ft-lbs

A

22
450-500

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11
Q

10 Hole, 285.75 mm – Hub Piloted with Meritor ADB 1560 disc brakes M22 x 1.5 ___–___ ft-lbs

A

390-450

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12
Q

Wheel Nut Torque Chart:
10 Hole, 11.25 inch – Stud Piloted __/__-___, 450–500 ft-lbs

A

3/4-16

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13
Q

10 Hole, 11.25 inch – Stud Piloted
__-__/__-___, 450–500 ft-lbs

A

1-1/8-16

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14
Q

Maintain the nut torque at the recommended level through planned, periodic checks or at _______-mile intervals, whichever comes first.

A

10,000

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15
Q
  1. PTO Will Not Engage.
    • Aerial master switch is not ________.
    • Transmission range selector is not in ________.
    • Parking brake is ________.
A

Energized
Neutral
Disengaged

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16
Q
  1. Stabilizer Circuit Will Not Operate.
    • ________ power switch is in aerial function.
    • Locked in aerial mode.
    • Aerial is out of boom support.
    • ____ is not engaged (see above).
A

Hydraulic
PTO

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17
Q
  1. Aerial Controls Are Inoperative.
    • PTO is not engaged (see above).
    • Aerial ______ man foot switch is not depressed.
    • Hydraulic power switch is in stabilizer function.
    • Stabilizer is not set.
A

Dead

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18
Q

The hydraulic system consists of a reservoir that supplies oil to a PTO-driven, variable-displacement, ________ pump.

A

Piston

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19
Q

The hydraulic oil supplied from the pump pressurizes ____ electric-over-hydraulic closed-center valves.

A

Two

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20
Q

____ a gear pump provides backup hydraulic power in the event of the failure of the main system.

A

EPU

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21
Q

Mobil DTE 10 Excel 100
Min Start-Up Temp: ___°F
Operating Range: 81° to ___°F

A

44°
201°

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22
Q

Mobil DTE 10 Excel 68
Min Start-Up Temp: ___°F
Operating Range: ___° to 184°F

A

27°
65°

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23
Q

Mobil DTE 10 Excel - 46
Min Start-Up Temp: ___°F
Operating Range: 49° to ___°F

A

14°
167°

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24
Q

Mobil DTE 10 Excel 32
Min Start-Up Temp: __°F -
Operating Range: ___° to 148°F

A

3°
37°

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25
Q

Mobil DTE 10 Excel 22
Min Start-Up Temp: -__°F
Operating Range: ___° to 127°F

A

-8°
23°

26
Q

Mobil DTE 10 Excel 15
Min Start-Up Temp: -___°F
Operating Range: 7° to ____°F

A

-24°
107°

27
Q

____-cleaning solvent is TOXIC and flammable.

A

Dry

28
Q

The flashpoint for Type II Dry-Cleaning Solvent is ___°F (60 degrees C)

A

140

29
Q

Flashpoint: Type III Dry-Cleaning Solvent is ___°F (93 degrees C).

A

200

30
Q

Clean parts with dry-cleaning solvent. Dry before ________.

A

Lubricating

31
Q

Battery Posts - clean and grease after cleaning ever _____ miles

A

3,000

32
Q

Cooling System - clean debris from radiator and charge air cooler cores to ensure unimpeded air flow every ______ miles

A

3,000

33
Q

Cooling System - replace external transmission cooler every __-__ years

A

3-5

34
Q

Suspension - check spring U-bolt torque & tighten as required (after initial delivery) every ____ miles

A

500

35
Q

Suspension - check spring U-bolt torque & tighten as required (thereafter) _____ miles

A

24,000

36
Q

Wheels & Tires - check wheel nut torque, tighten as required every _____ miles

A

3,000

37
Q

Axle, Front - lubricate kingpin & Rod Ball Joints with Lithium NLGI grade EP@ grease every ______ miles

A

100,000

38
Q

Axle, Rear - check rear axle carrier oil level every _______ miles

A

100,000

39
Q

Cab Tilt System - Lubricate pivot pins with Lithium NLGI grade EP2 grease every ______ miles

A

3,000

40
Q

Cab Tilt System - Lubricate remote control receptacle with NYK corrosion preventative compound every ______ miles

A

3,000

41
Q

Driveshafts - lubricate slop joints and U-Joints every ______ miles

A

3,000

42
Q

Fifths Wheel - lubricate the fifth wheel every ______ miles or ___ months

A

3,000
6

43
Q

Steering System - lubricate steering intermediate links every ______ miles

A

3,000

44
Q

Steering System - Lubricate drag link ball joints with Lithium NLGI grade EP2 grease every ________ miles

A

100,000

45
Q

Suspension - lubricate spring pins every ______ miles

A

3,000

46
Q

Transmission - Trucks in severe duty applications, or trucks equipped with transmission retarders, should have transmission fluid tested for water and glycol contamination every _______ miles or ____ hours

A

12,000
500

47
Q

Wheel Bearings - Front axle - check fluid level, add as required every ______ miles

A

3,000

48
Q

Reductant (DEF) Tank - Replace DEF Filter every _____ hours

A

1,000

49
Q

Reductant (DEF) Tank - Clean DEF Filler Filter every ____ hours

A

500

50
Q

Reductant (DEF) Tank - Clean DEF Tank Ventilation Filter every ____ hours

A

1,000

51
Q

Ladder Sections - Pierce #1003040 & ______ super lube #41150

A

Synco

52
Q

Fifths wheel, axel lockout, rotation gear & stabilizer use ______ NLGI No 2 Grade Moly

A

Exxon

53
Q

Rotation Gear Box API-GL5 ___W___

A

80W90

54
Q

Rotation Gear Box when properly filled, the oil level should be ___-___ in. below the top of the fill hole

A

1.25-1.50

55
Q

Rotation Gear Box the rotation gear box oil capacity ___ pints (2.4 liters)

A

5.0

56
Q

Fifth Wheel Lubrication - 2 fittings on upper fifth wheel weldment. Fittings connected to tubing, spaced ___ degrees apart

A

180

57
Q

Pierce Truck Maintenance:
Fifth Wheel Lubrication - jackknife tractor/trailer ___ degrees to one side

A

90

58
Q

Fifth Wheel Lubrication - reposition ___ degrees from jackknife (dispense two or more pumps)

A

20

59
Q

Pierce Truck Maintenance:
Fifth Wheel Lubrication - repeat every ___ degrees (a total of ___ grease positions) until the unit is in the opposite jackknife position.

A

20
10

60
Q

Aerial Inspection - every ___ hours or quarterly (whichever occurs first)

A

25

61
Q

Aerial Inspection - every ___ hours or annually (whichever occurs first)

A

50

62
Q

Aerial Inspection - every ___ hours or annually (whichever occurs first)

A

400

AO Study Program Carlos Cativo (154 decks)

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