yanmar diesel fuel filter change advice

[encantotom]

hi, i serviced my 12.5kw generator today. changed the oil oil filter, coolant, thermostat (tricky little thing has two gaskets...one real small one that goes underneath the thermostat and the regular one).

i have a new fuel filter too. should i turn off the fuel at the water separators in the aux tank area before i change the filter? it also looks like it would make sense to put some diesel fuel in the filter before i put it on as well.

will i have to bleed off the fuel injection lines to get fuel to them after changing the filter etc?

i just got the service manual for the generator and it leaves a lot to be desired....but does help.

thanks again all

tom