16
Step 7 Fit the tabs on the Acme Block Nut (ZD2) into the slots on the
back side of the Frame Assembly as shown. The ACME Block
Nut tabs are designed to be a snug fit. If the ACME Block NUT
fit is too tight, use sandpaper to sand the outer faces of the
rectangular slots as shown with the red arrows below until the
block fits snuggly unto the slots.
Step 8
Attach the second Z Frame Support (Z2) to the Spindle
Top Plate Assembly with four M4 x 16 Machine Screws and Nuts