3565 B side cab door very hard to open ~~~~~ 3565 B side cab door very hard to open.   3565 B side cab door latch (movable) able to move up and down. Found guide rail cause the door unable to open and tight. Loosen the guide rail screw and adjusted guide rail till smooth when opening and closing. Conduct open/close from outside and in cab ok. Done by: Asruddin, Saini, Zulq. 07/02/2024.