1 DC Booms Service Training QUIZ. 2 Quiz 1. What components are used to vary the speed of the boom functions? 2. Which trim pot is adjusted first when.

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Presentation transcript:

1 DC Booms Service Training QUIZ

2 Quiz 1. What components are used to vary the speed of the boom functions? 2. Which trim pot is adjusted first when installing a new rotary OEM flow controller? 3. Are the boom functions proportional from ground control? 4. Will boom functions operate if you lose power to the proportional solenoid? 5. Does the proportional solenoid need to be energized in order to drive and steer?

3 Quiz 6. If the resistance of the proportional solenoid increases, will the boom function speed decrease? 7. What is the result of the diode at TB19A being shorted when operating boom functions from the platform control? 8. What 3 things have to happen in order for any function to occur on a DC boom? 9. What is the control circuit voltage for boom functions? 10. What is the DC voltage for primary lift pump motor? What is the DC voltage for the auxiliary power unit motor?

4 Quiz 11. What is the result of the 10A drive circuit fuse is blown? 12. How many solenoid operated brake valves are on a Z30N and Z45/25DC? 13. When operating a boom function at a flow rate less than 2.1GPM how does the excess fluid find its way back to tank? 14. What is the function of CB3 on DC booms? 15. How many volts will you read across PR2 coil while a boom function is selected?

5 Quiz 16. Why is there a CB valve on the rod end of the primary lift cylinder? 17. Which Genie booms do not extend in regen? 18. Should the primary lift pump motor run while driving a DC boom? 19. Will a DC boom drive if the lift pump motor does not run? 20. At what voltage at Terminal 16 on the Curtis SepEx motor controller does the machine start driving?

6 Quiz 21. At what voltage at Terminal 16 on the Curtis SepEx motor controller does the machine drive at full speed? 22. What happens at Terminal 20 on the Curtis SepEx motor controller when the voltage at Terminal 16 reaches 3.0 Volts? 23. What voltage will we see across the CR5 coil while a DC boom is driving? 24. What does SepEx mean? 25. What would be the cause and result of 11Volts at Terminal 16 on the Curtis SepEx motor controller? What blip code will you see?

7 Quiz 26. What is the blip code for “missing contactor” on the Curtis SepEx motor controller? 27. What are the possible causes of a “missing contactor” fault? 28. What are the possible causes of blip code 42 on the Curtis SepEx motor controller? 29. Do the DC booms have posi-traction? 30. Which functions work if C32 is unplugged?