8.2.3 PROCEDURE FOR REPLACING ROLLERS AT CARRIAGE SIDE
(1) Put a pallet to the fork and stop the truck
on a level surface.
(2) Lower the forks with the pallet to the
ground.
(3) Remove the joint link of the mast side
anchor pin and remove the chain from the
sheave.
(4) Extent the lift cylinder rods to raise the
inner channel. (See ① in Figure 8.11.)
(5) Move the truck backwards after making
sure that the carriage is removed from the
inner channel. (See ② in Figure 8.11.)
(6) Replacing end rollers
① Remove the lower end rollers with a puller,
keeping the shims.
② Install new end rollers with the shims
removed in step ① . Check the stamp of S
or SS and install the roller which is marked
the same stamp, pointing the stamp side to
the carriage side.
③ Remove the snap ring and remove the
upper end rollers with a puller.
④ Install new end rollers and secure them
with snap rings.
(7) Replacing side rollers
① Remove the side roller assembly. Keep the
numbers of the shims and their combination
as they were.
② Install a new roller with the shims removed
in step ① , pointing the groove for the balls
to the shim side. (See Figure 8.14.)
③ If there is excessive looseness between
the side roller and inner channel, add the
shims between the end roller and side
roller, seeing “8.2.5 PROCEDURE FOR
ADDING OR SUBTRACTING SHIMS”.
Fig. 8.11
Fig. 8.13
END
ROLLER
SHIM
SIDE
ROLLER
SHIM
Fig. 8.12
Stamp (S or SS)
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