ETS-Lindgren 2071B Antenna Positioning Tower (Archived) - Manual (Page 33)

Assembly Instructions | 33
18. Using a 3/16-in Allen wrench (hex key), tension the
drive belt with approximately 100 –150 lb of pull on each
end.
Insert the Allen wrench into the hole in the front of the
upper clamp block, and then into the hole in the
lower clamp block.
Archived 06/24/14