MAST ADJUSTMENT (FV-FSV)
Lift Roller Adjustment at Mast
1.
Clearance between:
lnner mast roller and outer mast (FV).
lnner mast lower roller and middle mast (FSV).
Middle mast lower roller and outer mast (FSV).
Position where the
roller is the closest
FSV
mast
FV
mast
lnner mast
@
Outer mast
These rollers These rollers
(1)
Adjust the mast overlap to approx.
450
mm
(1
7.72
in).
(2)
Shift the inner mast to one side to bring the roller into contact with the outer mast, and inspect the
clearance between the roller side face and mast where they are the closest.
Standard: A
=
0
-
0.8 mm (0
-
0.031
in)
If the standard is not satisfied, make adjustment by changing the inner mast roller shim thickness.
Shim thickness: 0.5 and 1.0 mm (0.020 and 0.039 in)
(3)
Distribute shims equally to the rollers on the left and right sides.
(4)
After the adjustment, see that mutual mast movement is smooth.