Vehicle System
Disassembly & Assembly
19
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.
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)
* Permissible tolerance ±0.08 mm (.003in)
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.
