8.2.4 Replace rollers
(1) Take apart the fork bracket from the inner mast, then replace the main roller
following the way as 8.2.3.
(2) Park the truck on the flat ground and lift up the front-wheel 250-300 mm away
from the ground. (Fig. 8-9)
(3) Pull parking brake lever fully, and use a wedge to make back-wheel stationary.
(4) Take apart bolts which fastened lift cylinders and the inner mast. Hang up the
inner mast without losing shims of the piston rod heads carefully.
(5) Take apart bolts which jointed lift cylinders and the bottom of outer mast and take
apart the oil–pipe between two lift cylinders without loosing the nipple.
(6) Main rollers on the upper outer mast will be showed on the top of the inner mast
as soon as main rollers were taken apart from bottom of the inner mast after laying down
the inner mast.
(7) Replace main rollers
· Take apart the upper rollers without losing shims.
· Fit the new main roller and shims together on the outer mast.
(8) Hang up the inner mast and let all rollers in the inner mast.
(9) Assemble the lift cylinder and the lift bracket as the procedures contrary to
disassembly.
Fig. 8-8 Fig. 8-9
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