Heavy Duty Truck Systems – Chapter 14 – Lecture Summary & Practice Questions
How often should a clutch be inspected and lubricated? - ✔✔all the above
Which of the following could be a cause of poor clutch release? - ✔✔all the above
Which of the following should be used to remove minor heat discoloration from a clutch
pressure plate? - ✔✔emery cloth
When servicing clutches, Technician A always wears an OSHA-approved particulate mask.
Technician B uses compressed air to clean off clutch components before removing a clutch pack.
Who is correct? - ✔✔A only
When regarding the operation of a typical 15½-inch clutch, which of the following com-ponents
constantly rotates at engine rpm? - ✔✔intermediate plate
When inspecting the mating faces of a clutch bell housing, which of the following can be
regarded as the critical wear area? - ✔✔between 3 o clock and 8 o clock clockwise
Technician A says that when the driver releases (disengages) the clutch while coasting downhill,
the clutch may overheat. Technician B says that overheating may result when the driver rides
the clutch pedal. Who is correct? - ✔✔B only
Failure analysis determines that the facing of a clutch disc has burst. Technician A says that the
cause is the driver using the clutch as a brake. Technician B says that the problem might be the
driver coasting downhill with the transmission in gear and the clutch disengaged. Who is
correct? - ✔✔B only
How often should a clutch be inspected and lubricated? - ✔✔all the above
Which of the following could be a cause of poor clutch release? - ✔✔all the above
Which of the following should be used to remove minor heat discoloration from a clutch
pressure plate? - ✔✔emery cloth
When servicing clutches, Technician A always wears an OSHA-approved particulate mask.
Technician B uses compressed air to clean off clutch components before removing a clutch pack.
Who is correct? - ✔✔A only
When regarding the operation of a typical 15½-inch clutch, which of the following com-ponents
constantly rotates at engine rpm? - ✔✔intermediate plate
When inspecting the mating faces of a clutch bell housing, which of the following can be
regarded as the critical wear area? - ✔✔between 3 o clock and 8 o clock clockwise
Technician A says that when the driver releases (disengages) the clutch while coasting downhill,
the clutch may overheat. Technician B says that overheating may result when the driver rides
the clutch pedal. Who is correct? - ✔✔B only
Failure analysis determines that the facing of a clutch disc has burst. Technician A says that the
cause is the driver using the clutch as a brake. Technician B says that the problem might be the
driver coasting downhill with the transmission in gear and the clutch disengaged. Who is
correct? - ✔✔B only
