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Not that difficult. Get some plastic caps (or metal caps from hyd shop) to plug the fittings when you remove the hose. Take hose to hyd shop and have it made. This is the high pressure hose from hyd pump to the control valve.
they sell an adapter that plugs into your engine harness (with key switch) to start your machine.
raise the cab - lock it so it wont fall back down while working- plug in keyed adapter and start engine.