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3)
SHEAVE SUPPORT(TF MAST)
(1)
Remove the carriage assembly and move
to one side.
(2)
After removing bolt to securing sheave
support assembly to free lift cylinder.
Attach a sling to the sheave support
assembly. Using an overhead hoist, lift
support assembly straight up and off of
free lift cylinder. Move assembly to work
area.
(3)
Remove retaining ring securing sheave to
sheave support.
(4)
Remove bearing retaining ring from
sheave and press bearings from sheaves.
(5)
Thoroughly clean, inspect and replace all
worn or damaged parts.
(6)
Reverse the above procedure to install.
4)
REAR CHAIN(TF MAST)
(1)
Remove the carriage assembly and move
to one side. Refer to carriage removal
and installation.
(2)
Raise and securely block truck
approximately 6 inches from the floor.
(3)
Using a sling or chain around inner mast
section attached to an overhead hoist,
slowly raise inner mast until there is
enough slack in the chains to remove
them. Block inner mast section.
(4)
Remove split pins and chain anchor pins
securing chains to chain anchor(part of
inner mast).
(5)
While supporting the chains, remove split
and chain anchor pins securing chains to
chain anchors attached to outer mast
section.
(6)
Remove chains.
(7)
Reverse the above to assemble and
install. Use new split pins in chain anchor
pins. Refer to this section for Load chain
lubrication and adjustment.
A, B
Sheave support
Middle mast
Inner mast
Sheave
Middle mast
Lift chain
Inner mast
Carriage
8-15
Sheave
B
A
Outer mast
Lift chain
Outer mast
110D7EMS18
100D7MS17
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