3-152
Fig. 3.482
Fig. 3.483
■ADJUSTING LIFT CYLINDER ROD
WITH SHIMS
After the lift cylinder, inner channel, and outer
channel are replaced, the lift cylinder rod length
needs to be adjusted.
(1) Install a piston head on each rod of the right
and left cylinders without shim.
(2) Extend the lift cylinder rod slowly and check
the difference of the time till each of the right
and left cylinder rods reaches the stroke end.
(3) Add shim between the rod and piston head
whichstoprst.
Shim thickness: 0.2 and 0.5 mm [0.008 - 0.01
in.]
(4) Adjust the lift chain tension.
■ADJUSTING CARRIAGE HEIGHT
(1) Stop the truck on a level surface and stand
the mast vertically.
(2) Keep the fork bottom on the ground and
adjust the projected amount
A
of the
carriage lower end roller to the value as
shown in the table below, using the chain
anchor pin at the mast side.
Model Mast Type
A
mm [in.]
3.5 - 4 ton VM-43A 24 - 29 [0.945 - 1.142]
4.5 ton VM-43F 24 - 29 [0.945 - 1.142]
5.0 ton VM-43H 25 - 30 [0.984 - 1.181]
FORK
CARRIAGE END
ROLLER
INNER CHANNEL
TIRE
LIFT CYLINDER
PISTON HEAD
SHIM
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