Groove for Wheel Stem
4.3 Functions & Adjustments of Wheels
A, B, C are printed on the groove of the wheel limit pile of the chassis.
Wheel limit piles will be installed by default on C (left) and A(right).
There are 4 wheels with the cleaner, of which the left and right wheels are
fixed. The front and back wheels can be selectively adjusted according to the
different conditions to adjust the running path of the cleaner.
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