57
ASSEMBLY STEP 10 INSTRUCTION DRAWING
1.
Use M10*25 hexagon bolt (43),
φ
10 flat washer (8),
φ
10 spring washer (23) to assemble back
up connection tube (54) to the main frame.
2.
Use
φ
8 flat washer (47) and M8 lock nut (59) to assemble hook (56) to pull up the beam
welder (55).
3.
Use M10*70 hexagon bolts (10),
φ
10 flat washers (8), and M10 lock nuts (9) to assemble pull
up the beam welder (55) to back up connection tube (54).
4.
Use M12*25 outer hexangular bolt (43),
φ
12 flat washer (37),
φ
12 spring washer (36) to
assemble the rear column of 3070 (57) to the main frame.
5.
Use M10*75 hexagon bolt (30),
φ
10 flat washers (8),
φ
10 spring gaskets (23) to assemble rear
column (57) to pull up the beam welder (55).
6.
Use M10*70 hex bolts (10)
φ
10 flat washer (8), M10 lock nut (9) to assemble rear column (57)
to pull up the beam welder (55).