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Bleeding per the book is a PIA. Have you let the fluid get low or are you just doing routine maintenance?
If you have changed the mastercylinder here is how I found to bleed it the easiest:
inside the cab, pull the starter interlock from the clutch rod, disconnect the rod from the pedal arm. You will see a circlip in the master over the piston. Pull the circlip, pull the piston till just the air and a little fluid escapes, pump the master a couple of strokes repeat the above, reasemble than bleed per the manual, open the bleeder and let gravity bleed. Might have to bleed the bleeder a couple of times, biggest thing is the air in the master.