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mast inclined forward or backWard
extremely. As assembly debugging data
required, adjust combined screw thread
length till according with data of
BackWard. Then lock earring ring
close.(please see foregoing table if you
want know tightening torque of M10
bolt)
2) Adjust installation position of left
and right lifting jack again
a. Adjust washer in the middle of
piston rod and inner mast bracket if one
lifting jack is not synchronization with
the others when rising or falling, and if
one lifting jack is different height from
the others.
b. Loose two nuts on the U-bolt. Mast
is not rise and lower until relative
position of U-bolt and lifting jack is
suitable. Then screw down nuts and
tightening screw on the U-bolt. Thus
lifting jack can be used longer and wear
of piston rod can be reduced.
3) Please see foregoing table if you
want know tightening force of bolt or
screw. Please refer to common bolt
tightening torque prescribed in our
company if you want know other
tightening force of bolt or screw.(refer to
OPERATION AND MAINTAIN MANUAL
backing
boardched with it).