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6. Assembly of joints ground bar/ground tube:
Put ground tube (with 2 holes) and both ground bars (with 1 hole) on the ground,
grooves facing upwards and straight ends of ground bars facing to the ground tube.
Slide 2 nuts length 20mm, M8 (through each of
the 2 borings on ground tube) inside the groove
towards both corners of ground frame.
Note:
Assembly and pictures also see point 5.
Push 1 nut each, length 20mm, M8 into the welded plates of the ground tube and into
the straight ends of ground bars.
Push joints into the plates of the ground tube and screw at each side 2 hexagon socket
countersunk flat head screws DIN 7991, M8 x 20mm through holes of joints and ground
tube.
Then stick ground bars on joints and screw 2 hexagon socket countersunk flat head
screws DIN 7991, M8 x 20mm into the joints. Adjust joints, unscrew screws if necessary
and then tighten all screws again.
7. Assembly of ground frame at uprights:
Stick joints upright/ground bar into the uprights. Screw from the side 4 hexagon socket
countersunk flat head screws DIN 7991, M8 x 20mm into the joints. Now fix the open
ends of the mounted ground frame on the joints. Even screw slightly 4 hexagon socket
countersunk flat head screws DIN 7991, M8 x 20mm into the joints. Push mitres close
together, adjust them and tighten all screws.
Current state of assembly: