How do I solve problems with my GMT grapple saw?

The most common problems are described on this page. 

Do you have a problem you cannot solve? Then feel free to contact us personally in the way you find most comfortable. 


 

How do I adjust the pressure settings?

Watch the video below for an answer to your problem.

 

How do I fill the accumulator?

Watch the video below for an answer to your problem.

When filling the accumulator becomes necessary more frequently during normal operation, please check the following:

  •   check tilt cylinder for possible internal leakage
     


 

How can I solve the problem of the saw blade staying extended?

Watch the video below for an answer to your problem.

When the saw blade does not extend when the grapple close function is fully activated, please check the following:

  • check if the ball valve on the saw casing side is open
  • check if the saw chain is jammed
  • check the settings of valve 1

When the grapple saw does not tilt down (grapple is closed and the saw is operated but stays extended afterwards), please check the following:

  • check if return oil drain valve is installed in the hydraulic line normally used for the grapple-open function
Afbeelding: replace sawbar and chain 1

GMT Support

Want to know more? At GMT Equipment, we value personal attention and support. So please feel free to contact us. We will then speak to you personally, in the way that is most convenient for you.