4000 SRM 764
Operator Platform
INSTALL
NOTE:
Replace any load rollers that need replacing
BEFORE starting this installation procedure. Use
the same shim arrangement noted during removal.
1.
Make sure the two-stage cylinder rods are not
fastened to the inner mast weldment.
Use a
crane and chains or slings to raise the inner
mast weldment as described in the Remove pro-
cedure. Raise the inner mast weldment until it
is above the load rollers of the operator platform.
Carefully align the operator platform load rollers
and the mast channel. Slowly lower the inner
mast weldment until it engages all the load
rollers. On two-stage masts, install the washers
and snap rings that fasten the cylinder rods to
the inner mast weldment.
2.
Check the load roller clearance. See the Operator
Platform Adjustment procedure at the end of this
section.
3.
Use a crane and chains or slings to raise the op-
erator platform for access to the chain anchor(s)
above the top of the main lift truck frame.
WARNING
Before installing lift chains or cables, use
blocks and chains on the mast weldments and
operator platform so they cannot move. Make
sure the moving parts are attached to a non-
moving part.
Lift chains and cables can roll over the sheaves
to fall and possibly cause an injury if the ends
are not fastened. Keep control of the ends of
the lift chains and cables as they are connected.
4.
Use blocks and chains to prevent movement of
the operator platform. Install the lift chain(s)
using the pin(s) in the chain anchor(s). Make
sure new cotter pin(s) is installed. See the Lift
Chain Adjustment procedure at the end of this
section to check and if necessary, adjust, the lift
chains. Do NOT remove the blocks and chains
for the operator platform.
5.
Use a ladder for access to the operator platform.
Carefully move each electrical cable through the
sheave and install the cable at the operator plat-
form. Connect the wires according to the notes
made during removal. Also see the section Di-
agrams 8000 SRM 923, Diagrams 8000 SRM
958, Diagrams 8000 SRM 1473 for the correct
connections. Remove the blocks and chains and
carefully lower the operator platform.
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