Merits S331 series, Service Manual

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1. Loosen the screw (1.42) by wrench then take out the front wheel set
(1.3) from the front suspension arm set (1.27).
2. Pull out the front axle bushing (1.37) by hand directly.
3. Release the air from valve of inner tire (1.32), then loosen the screw
(1.38) and nylon nut (1.41) by wrench.
4. Take out the hub (1.35) and rim (1.33/1.34) to replace the tire.
2.3.5 To replace the suspension spring set
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When should you replace the suspension spring set?
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If your suspension spring set is deformation.
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If the suspension spring set out of shape due to an accident.
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If the suspension spring set is worn out.
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If the suspension spring set can’t make a smooth movement.
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How to replace the front wheel?
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Please proceeding steps as follows if it has to replace.
1. Loosen the nylon nut (1.21) by wrench.(total 4pcs)
2. Pull out the spring support shaft (1.12) by hand.
3. Take out the related parts (1.22~1.26) in according with sequence.
2.3.6. To replace the front fork assembly
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When should you replace the front fork assembly?
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If your front fork assembly is deformation.
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If the front fork assembly out of shape due to an accident.
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If the front fork assembly is worn out.
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How to replace the front wheel?
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Please proceeding steps as follows if it has to replace.
1. Loosen the screw (1.18) and nylon nut (1.21) by hex. tools and
wrench then take them out.
2. Remove front suspension arm set (1.27) and bushings (1.20).
3. Loosen the nuts (1.14)*2pcs by wrench to remove the position rod
(1.13).