© March 2023
56
AB16EJ Plus Operation Manual
MAINTENANCE
Replacement Requirements
• The tires and rims on the machine have been
designed and selected according to the overall
performance and load stability requirements of
the machine. Therefore, the model specifica-
tions, rim width, installation center surface, di-
ameter, etc. must not be changed, otherwise
this could lead to an unstable and hazardous
condition.
• Wheel-specific nuts must be used that match
the wheel bolts. The wheel nuts must be in-
stalled and maintained with the proper tighten-
ing torque to prevent loose rims, broken bolts
and wheels loosening from the axle. Be sure to
only use nuts that match the mounting angle
of the rim holes.
Hunan Sinoboom Intelligent Equipment Co., Ltd. recom-
mends the replacement tire be of the same size, ply rat-
ing and brand as the original tire. For the tire part
numbers of specific machine models, please refer to the
Parts Manual of the corresponding machine. If you
choose not to use the replacement tires recommended
by Hunan Sinoboom Intelligent Equipment Co., Ltd., the
following specifications should be adhered to:
• The ply rating/rated load capacity and size should be
the same as the original tire or superior to it.
• The tire tread contact width should be the same as
or superior to the original tire.
• The wheel diameter, width and offset dimensions
must be the same as the original tires.
• The replacement tire must be approved for the appli-
cation by the tire manufacturer (including intended
purpose, maximum travel speed, maximum tire load,
etc.).
• Due to size differences between different tire brands,
both tires on the same axle should be of the same
brand.
NOTICE
Unless specifically approved by Sinoboom, do not
replace foam-filled tires with pneumatic tires.
Replacing tires
Tighten the wheel nuts to the specified torque to
prevent the wheel from loosening. Use a torque
wrench to tighten the nuts. If no torque wrench is
available use a socket wrench to tighten the nuts
and then immediately have a service station or
dealer tighten the nuts to the specified torque.
Over-tightening will cause the nuts to break or
permanently deform the bolt holes in the rims.
The correct steps to replace a tire are as follows:
1. Make sure the machine is in stowed position.
2. Turn the main power switch off and disconnect all
power sources (such as battery charger) from the
machine.
3. Use a wrench to loosen but do not remove the
wheel nuts yet.
4. Use a jack with sufficient load capacity to lift the ma-
chine to the appropriate height so that the wheel as-
sembly is off the ground.
5. Remove the wheel nuts in an alternating sequence,
then remove the wheel.
6. Align the mounting holes of the new wheel assem-
bly with the corresponding mounting hole on the
hub.
7. Apply Loctite 272 thread locking adhesive to the
bolts and nuts, then install the nuts in sequence.
8. Tighten all nuts by hand first to prevent loosening of
the bolts and nuts. Never apply lubricant to threads
or nuts.
9. Then tighten the nuts step by step in the sequence
as shown below. Please refer to the recommended
torque settings in the table below.
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