Review Questions - Click On The Picture To Begin...
For belt driven engine components (water pump, alternator, air compressor, etc), how much free play is allowed at the center of each belt?
- 1.5 inches of free play
- 3/4 inch of free play
- No free play at all
- 1 inch of free play
Quote From The CDL Manual:
Engine compartment belts: Check the following belts for snugness (up to 3/4-inch play at center of belt), cracks or frays:
- Power steering belt.
- Water pump belt.
- Alternator belt.
- Air compressor belt.
TruckingTruth's Advice:
When checking belts, tell the examiner:
The belt is not cracked, frayed, or broken and free play is between 1/2in and 3/4in."
Next
During your pre-trip inspection, you must check the oil level and:
- Demonstrate how to add oil to the engine
- Show how to test the oil for water
- Indicate where the dipstick is located
- Rub some oil between your fingers to make sure the oil is free of metal shards and foreign debris
Quote From The CDL Manual:
Oil level:
- Indicate where dipstick is located.
- See that oil level is within safe operating range. Level must be above refill mark.
TruckingTruth's Advice:
What to say to the examiner:
"The dipstick should be pulled to show that the oil level is above the refill mark and in safe operating range."
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Next
When checking the coolant level during the pre-trip inspection, you should:
- Never remove the radiator cap if the engine is hot
- Be sure the coolant level is below the fill line
- Only remove the radiator cap if the engine is hot
- Take a sample of the coolant to check for foreign debris
Quote From The CDL Manual:
Oil level:
- Indicate where dipstick is located.
- See that oil level is within safe operating range. Level must be above refill mark.
TruckingTruth's Advice:
When checking the coolant level, tell the examiner:
"The coolant level is filled above the minimum level and the reservoir is not cracked, broken, or leaking."
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Finish
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