Hi y a
My name is Ossie and I am new here but not to tanks, ok I followed this thread, I have some thing that may determine a few things.
1st of all park the tank outside, nothing in front or behind, out of emergency gear.
2nd go to the gearbox undo the brake accumulator valve at the rear right hand corner. No brake pressure NO GEARS. (If you move with valve on main brakes will catch fire)
3rd sit in driver’s seat. Look to your right behind the master switch box on the hull wall you will see a block with two wires connected to it.
UN PLUGS both. This will disconnect all safeties and allow you to change up gears with NO BRAKES.
4th start GUE you have not said what the original registration is so I will presume that you do not have a gate on the GUE speed control on the left leaver. ( for high speed when engaging hydraulic start, mk 5 build vehicles)
5th START main engine. Bring engine generator on line by pressing both rest buttons on both engine panels and then press both gen panel swithes. If distribution panel light is red it is charging when green it means batteries are charged.
6th with hand brake off. Try to select gear and rev engine to over 1500 rpm. If you don’t move. Try this.
Hold gear selector up and flick master switch on and off very quickly, it should change up gear to second gear & jump out; you will see it on the gauge. If NONE of this works I would try getting a new GCP gear selector pedal switch complete.
If the gear box selector’s emergency gears it may not be the gear box.
By the way the oil filters are under a cover.
I will ask a man who use to build TN gearboxes for a living when I go back to work on Monday.
Hope this helps
Ossie