JGL T350:
Telescoping extension not working.

Hello All, I am trying to learn what would cause the telescope to not work. Question 1. If there is a caution triangle flashing will this allow all the other ground functions to operate properly but keep the boom extension in and out to not function.
All founction operate properly from the ground position except the telescoping ram. When that telescoping ram is called, the honda engine accelerates and the pump seem under pressure. Is there any form of mechanical lock on the telescope to keep it from exiting or enter the Arm tube?
Question 2. Will that same flashing triangle keep the basket controls from allowing any functions to operate from the basket.
How do I determine why that flashing signal is there.
The system appears to properly extend and level the stansion feet. I do not know nor have any access to the Manufactures code reader. Is there a way to get the codes from a flashing light on the boom? Any suggestions or assistance is greatly appreciated. Thanks in advance Prof.
  • Posted 21 Oct 2023 09:57
  • Discussion started by PROF
  • Georgia, United States
ROBERT WILLBANKS
Showing items 1 - 1 of 1 results.
PROF,
there may be an issue with the function valve or cylinder or maybe an obstruction keeping the telescope function from moving in or out.
You mentioned the 'distress' light lighting up? (that's what they call the triangle with exclamation point). Is it blinking when you select the function? How many times? It should blink a certain number of times and the pause and repeat.
In either case using a JLG handset would tell you exactly what is going on so you may have to call a JLG service tech out to check it out.
The service literature wants to check pressures etc on that function to make sure it is correct also, incorrect pressures can cause it to fault out. It could be something like a bad pressure relief valve or a bad pump too.
  • Posted 22 Oct 2023 14:05
  • Reply by swoop223
  • North Carolina, United States
You've been swooped!
swoop223@gmail.com

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