The crank is the centre of the clock or (0,0) All measurements in mm. 1 -177.8,+12.6 (at the 9 O’clock position) (Also used as a roll pin style dowel hole) 2 -121.6, +117.8 (at the 10 O’clock position) 3 -65, +192.4 (at the 11 O’clock position) 4 +65, +192.4 (at the 1 O’clock position) 5 +126, +122.4 (at the 2 O’clock position) (Another roll pin style dowel hole) 6 +195.5, +13.9 (at the 3 O’clock position)