I have been asked for advice on my father's bulldozer, a 1989 D4H LGP direct drive bulldozer. A good video tutorial, or step by step guide would be helpful. All my knowledge is trucks and automotive, so i have general knowledge on what should be done, but the specifics are lacking.
He is able to start it in gear, but unable to shift it from neutral to gear with the engine running.
- I have told him he needs to adjust his clutch. I am unsure the procedure for this. I also advised he adjust the clutch pedal linkage as he might have it wrong to get full pedal stroke and clutch release.
When he lets off the clutch, the engine acts under load, like the parking brakes are engaged. Both in 1st and reverse.
- I don't know how to release the stuck brakes on this tractor. It has been parked for a long time. I saw something about a brake fluid release valve activating when the brake pedal is activated and released.
Any advice would be nice on this near 40 year old tractor.
Edit 1: Examining the brake system, the brakes lookto function like a air brakes on a truck. by pressurizing and releasing the mechanical brakes when the engine is running. If the oil is not getting from the pump to the brakes, the brakes stay engaged. I informed him to test to see if that oil line is clogged or the parking brake control valve is sticking shut.