(1)、 IN ASSEMBLY LINE BORE THRU BOTH SIDES 4 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, DRG D31567, ASSEMBLED, MATCH DRILL & REAM FOR ITEM 6, AS SHOWN. REFER DETAIL 1 SH 2.(5)、WITH ITEMS 1, 2 & BEARING CAGE, DRG C31612, ASSEMBLED, FINISH MACHINE Φ 650 BORE.