its the same as doing a single pot, but you do it 4 times.
you dont need a torque wrench to do the valve adjustments
to turn it over you just put a spanner on the bolt on the alternator pully and crank it around slowly, if its fighting you just remove the glow plugs (or put it in neutral yes, I still get caught out occasionally)
the easiest way is with rule of 5, turn the engine slowly until an inlet valve begins to open and then adjust the valves on the pot when added to that cylinders number equals 5.
when you've adjusted all the valves roll the engine over a couple of times and then check them all.
if they havent been done in a while or they are a long way out wind the adjuster all the way out, carefully remove the lash cap on top of the valve inspect it and replace them on the next service if they are mushrooming.


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