Weichai engine Truck 10 ton 

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Sory bang tiada tapi aku boleh ajar d sini

First set to OT on fly wheel, must piston no 1 TDC Second put the camshaft inside and set to OT at cover

Typically the main cause is from the valve seal and the piston ring are not genuine. Please check again the valve seal from exhaust valve. Be advised, use only the sparepart from your authorized reseller. Plus, make sure the gap from piston ring is on standard

Adjust what diameter or what?

Yang mana ya besar kah atau kecil

I think it’s 11

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