Right.. I'm back in the country again
Initial startup saw all oil levels to be correct. However, Use of the FEL made it clear that it hadn't been bled of air. FEL function was correct, as was 3-point. Use of FEL on an incline introduced slightly juddering motion; In my world this means air in the pickup. Given that the pickup is at the front of the hydraulic "tank" This doesn't surprise me. Not knowing the standard operating procedure for that I shut the engine down and lowered the FEL to stop any potential damage to the pump from running dry. This now left me with the question I asked to start with.
I will be asking the dealer tomorrow, but I can probably shed some more light on it for you.
The Instruction book has pictures from another model, and some data wich is outright wrong: for example it lists the gearing options as either 8 forwards and 2 reverse, or 16 forwards and 4 reverse.
My Foton actually has 8 forward and 8 reverse.
The book of assembly drawings and part numbers however seems far more up to date.
Assembly drawing show the lowest point of the Hydraulic Pickup to be
above gearbox / rear diff casing level, and
definately above the oil level in the gearbox.
No oil lines cross between the two, and there are no internal pipes or galleries according to the assembly drawings.
Additionally, The tech specs say:
Gearbox Oil - 11 liters
Hoister Oil (3 point) - 9 liters
So.. The manuals state that I should use "dual purpose oil" for both applications, suggesting that there's some sort of link between the two, yet there's no evidence of any link at all. Compounding this, the same manuals don't appear to list my gearbox as an option: Suggesting that since they were published the gearbox design has changed significantly.
I'm expecting to find that it has a seperate hyd system... Everything I know points towards that as the only viable option, but while the insructions tell me to use a hybrid oil while telling me my gear ratios don't exist, I'll be Checking with the guys who bolt them together
Second-to-Worst case Scenario, I go back to the oil shop and swap the oil for hybrid oil.
Worst Case Scenario... I do that, and I never find out why I had to.
