Vehicle System
Disassembly & Assembly
20
NOTICE
When the correct amount of shim has been installed
behind rollers (1) there will be contact (zero
clearance)between the rollers and the inner mast at
most narrow point of mast (refer to step 4).
(Typical Example)
(Typical Example)
6.
Install 1 mm shim to each bearing of intermediate
lower and stationary upper basically. Lifting by
crane, insert intermediate mast into stationary
mast from the upper side.
NOTE:
When installing shims (5) behind bearings
(4), make sure the amount of shim is divided
equally when positioned behind each
bearing (4).
Mast Adjustment Lower Bearings (A)Zero clearance.
(B)Minimum clearance. (C)Zero clearance.(3)Bearing.
(4)Bearing. (5)Shims. (6)Shims.
(Typical Example)
7.
Make sure intermediate mast lower bearings are
properly shimmed in the stationary mast by rolling
up and down and moving intermediate mast to
right and left. If clearance between both masts
can be detected, pull out the intermediate mast
from the stationary mast with crane and add shim
0.5mm or 1 mm to both intermediate lower
bearings.
