Torque converter drain will be behind the cover plate on the front of the transmission housing. Two screw hold it on, I think (I've not looked at mine, may be just a snap-in plate or grid). The two grids are cooling vents in the housing.

You can use a large screwdriver, probably, to pry the flywheel around using the ring grear, or put a 27mm socket on the crank pulley bolt and use a ratchet.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!