Install lifting eye to subplate (57).
Attach sling to lifting eye and rear mounting bracket (56) of subplate (57).
Guide subplate (57) carefully thru mechanic's hatch to avoid damaging levers and fittings.
Using sling and lifting sling assembly, lower subplate (57) thru mechanic's hatch. Turn subplate until horizontal and
support with two suitable blocks.
Install fittings (58) to elbow (59).
Remove sling and move lifting eye to rear of subplate (57).
Attach sling to lifting eye at rear of subplate (57). Using sling and lifting assembly, move subplate into position.