Vehicle Systems Disassembly & Assembly
Assemble Mast
NOTE: The standard, Full Free Lift and Full Free
Triple Lift mast load bearings are all adjusted the
same way. The mast shown in the following
illustrations is the Full Free Triple Lift mast.
1. Make sure all parts are clean and free of dirt and
foreign material.
2. Check all parts for damage, use new parts for
replacement.
A. Lower Bearing Adjustment of
Intermediate Mast
Mast Adjustment Lower Bearings
(A) Zero clearance. (B) Minimum clearance. (C) Zero clearance.
(3) Bearing. (4) Bearing. (5) Shims. (6) Shims.
3. Select lower bearings (3) and (4) from the chart to
obtain minimum clearance (B) between bearing
and channel leg for full channel length. Must use
same bearing on left and right side.
* Permissible tolerance L 0.08 mm (.003 in)
4. Find narrowest point by ruler on the staionary
mast in the area where the bearings make contact
at 475 mm (18.7 in) channel lap.
NOTE: When installing shims (2) behind bearings
(1), make sure the amount of shim is divided equally
when positioned behind each bearing (1).
5. Install the correct amount of shim (2) behind
rollers until contact (zero clearance) is made
between the rollers.
Mast And Carriage Bearings
Part No. Bearing Size Bearing O.D.*
D581814 Under Size 108.6 mm (4.276 in)
D581815 Standard 109.6 mm (4.135 in)
D581816 Over Size 110.7 mm (4.358 in)
18
IDCS123S
IDCD036P
3
45
6
A
C
B
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