(1) . IN ASSEMBLY LINE BORE THRU BOTH SIDES * SIDE FACE, AFTER ALL JOINT FACING & DRILLING.(2) . ITEMS 3, 4 & 5 TO BE ASSEMBLED PRIOR TO MACHINING BORES.(3) . THESE DIMENSIONS MUST BE ACCURATELY REPRODUCED IN THE LOWER CASE, TO ENSURE ACCURATE LOCATION ON ITEM 4.(4) . WITH ITEMS 1, 2 & INTERNAL SPUR GEAR, ORG D31567, ASSEMBLED, MATCH DRILL I REAM FOR ITEM 6, AS SHOWN. REFER DETAIL 1 SH 2.(5) . WITH ITEMS 1, 2 BEARING CAGE, ORG C31612, ASSEMBLED, FINISH MACHINE 0650 BORE.