merc 208d 1995, air advance pipes??? bafled?

when i gt the pipes they where in a bag, i have the back unit sorted but the rest is a bit baffaling, got the manual and thats worse, the one going to the vacuum pump is ok, i have two that can fit on the vacuum hose. and two comming from just under the injectors, and one that says it goes to the vent pipe to drivers cab ? but cant sort it out.

it starts but the engine isnt switching off even when the key is out.

please help. going for mot tuesday and its wednesday 23/2/11 today.

am a petrol head not a diesle junkey so make your answer stupidproof please lol

thanks