Maintenance Instructions
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The oil must be clean. Filter core and oil must be checked frequently by dripping a drop of
oil on blotter paper; if there a black center on the oil stain, it indicates that oil should be
replaced.
After replacement of engine oil, the gas in oil cylinder shall be exhausted by loosening
bolted joint of steering cylinder to oil pump going on low-speed running for air bleeding
until there is no bubble in the outflow oil.
Important matters:
1. Pressure relief valve of constant overflow pump will have well-adjusted safety
overfall pressure before delivery. Make sure not to detach and adjust it randomly.
2. Constant overflow pump is a precision part. It is not allowed to be detached
randomly under normal circumstances. It must be detached at the place of cleaning,
and washed by clean gasoline or kerosene.
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