Toyota 30 Series Manual page 76

Clearance between:
2.
Outer mast roller and inner mast (FV).
Middle mast upper roller and inner mast (FSV).
Outer mast upper roller and middle mast (FSV)
mast
Outer mast
(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 inner mast, and measure on
the opposite side the clearance between the roller side face and mast where they are the closest.
Standard: B
If the standard is not satisfied, make adjustment by changing the outer 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.
These rollers
Inner
mast
- -
0.5 mm (0 0.020 in)
FSV mast
These rollers
Outer mast
Middle mast