Merits P310 series, Service Manual

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7
2.2.4.To replace the caster wheel assembly
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When should you replace the caster wheel assembly?
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If the caster wheel assembly is worn out.
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If the caster wheel assembly is out of shape due to an accident.
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How to replace the caster wheel assembly?
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Please proceeding steps as follows if it has to replace.
The caster wheel assembly is composed of a caster wheel and
fork.
Replace the caster wheel assembly by the following steps if, after
inspection, the assembly is found to be deformed.
a. Remove the seat assembly.
b. Remove the shroud.
c. Fix the caster wheel in place, use wrench to loosen the nut of
assembly (5.13 or 7.07) and then remove the caster wheel
assembly. (See next page)
Replace the caster wheel by the following steps if it is worn out or
deformed.
a. Hold the screw (5.09 or 7.02) and loosen the nut (5.11 or 7.05)
and then remove the caster wheel. (See next page)