PS
S7.1
7110
001
OE35
Version no
T-code
F-code
Section
C-code
Mast, 3 Stage
270
Service Manual
1996-10-15
1. Shimming Mast on Truck.
1.1. Shimming the Platform.
1. Disconnect battery and remove battery from truck.
2. Attach a hoist to top of platform and hoist to loosen
lift chains. This will allow removal of lift chain
anchor pins and electrical cable.
3. Thoroughly clean off all outside dirt around mast
roller bearings.
4. Determine the number of shims required by prying
the rear of platform to one side and slipping shims
between the bearings and web on the column. Add
shims by hand until no more can be added.
5. Divide shims as equally as possible between the
two bearings and install under bearings.
6. Hydraulically lift up inner column enough to remove
platform.
7. Lower platform down inner column to expose
bearings. Remove bearings to install shims behind
bearings.
8. Raise platform up inner column as far as it will go
under normal operation. Check bearing shimming
as the platform is raised. Remove shims
as
required If tight spots are encountered where
assembler cannot move platform smoothly. Check
When blocking mast columns to prevent
lowering, always block both sides of the
column. Otherwise, the truck could tip over
on its side.
WARNING
Be extremely careful when working with
solvent. Even a small explosion or fire
could cause injury or death.
WARNING
Compressed air used for cleaning MUST
be reduced to less than 30 p.s.i., and then
only with effective
chip-guarding and
personal protective equipment.
WARNING
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