Errata
Zenith errors in parts and documentation.
Parts
SD75H2-5

Two holes need to be drilled to 3/16" for AN3-5A bolt.
SD75H2-6

Two holes need to be drilled to 3/16" for AN3-5A bolt.
SD75H2-7

Two holes need to be drilled to 3/16" for AN3-5A bolt.
SD75H2-8

Two holes need to be drilled to 3/16" for AN3-5A bolt.
SD75H2-11

The parts that need AN3-5A bolts, AN3-6A bolts, and A6 rivets all need the holes drilled. SD75-H2-11 itself may be ok, but the parts that need to attach to it are all wrong.
SD75H3-6

Drawings
SD75-HS-02
The upper right drawing section should have 8 washers.
Each AN3-5A bolt needs a washer under the nut.
Each EN3-6A bolt needs a washer under the nut and a washer under the head.