© Jun 2022 6-6 TB24 Plus&26J Plus Maintenance Manual
REPAIR PROCEDURES
Figure 6-10
Figure 6-11
Figure 6-12
1. Slightly raise the boom until the main boom lift
cylinder is accessible.
2. Tag, disconnect and plug the hydraulic hoses and
cables to the boom assembly.
3. Using a suitable lifting device (capacity not less
than 5t), secure the lifting straps to the main boom
end.
4. Adequately support the main boom lift cylinder with
a suitable supporting device.
5. Remove the retaining ring at the pivot pin #1
connecting the main boom lift cylinder with the
boom.
6. Using a brass drift and wooden hammer, tap the
pivot pin #1 out.
7. Using a suitable lifting device (capacity not less
than 5t), secure the lifting straps to the bottom end
of the main boom.
8. Remove the bolts and keeper pins of the pivot pins
#2 and #3 connecting the boom assembly with the
support arm.
9. Using a brass drift and wooden hammer, tap the
pivot pins #2 and #3 out.
10. Using a lifting device, slowly lift the boom assembly
off the turntable.
CHASSIS AND TURNTABLE
COMPONENTS
Tires and Rims
Replacing tires and rims
It is recommended that the replacement tires be of the
same size, ply rating and brand as the original tires. For
the part number of a specific machine model, please
reference the Part Manual.If the recommended
replacement tires are not used, the following
requirememts of tires should be met：
1. Ply rating/rated load and dimension equal or
greater than original.
2. Tire tread contact width equal or greater than
original.
3. Wheel diameter, width and offset dimensions equal
to the original.
4. Approved for the application by the tire
manufacturer (including intended purposes,
maximum drive speed and maximum tire load, etc.).
5. Due to size variations between different tire brands,
both tires on the same axle should be the same.
UNSAFE OPERATION HAZARD
The tires and rims installed on each
product model have been designed
for stability requirements. Size
changes such as rim width, center
piece location, diameter, etc., without
written factory recommendations,
may result in an unsafe condition
regarding stability.
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