Have brakes and steering mechanism checked before you drive the vehicle. Soak chains in solvent for several hours, then remove chains and allow solvent to drain out of them. Soak chains for several hours in light oil, then drain off excess oil and replace chains on machine. Gears and sprockets. Clean exposed gears and sprockets with cleaning solvent.
Coat gears with light oil.
Inspect enclosed gear cases for water or grit. Water may be present below the oil. If you find water or grit, or if you are in doubt, drain the case, flush it with solvent and refill with clean oil. Examine all belts for tears or cracks. Repair or replace them as necessary.