5. Adjustment of Knee Glb on Machine Body (Vide Figure 29):
Knee gib is attached to the position between the side of knee and the column slideway.
a. Loosen the lock bolt (A) by using hexagonal spanner.
b. Take off the wiper holder (B).
c.
Clean the slideway and add the lubricant.
d. Move the knee to the highest position.
e.
Use a screwdriver to adjust the gib bolts (C) in the left up- ward and bottom parts of the
knee.
f.
Employ the same methods to adjust the gib bolts (D) and (E)
g. Restore and lock up the wiper holder (B).
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