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Manual lubricating pump repair find the cause
Aug 31, 2016

Maintenance lubrication pump from three points below to find the cause, and to improve the system: (1) check the leakage of cylinder. The simplest way is to arm rises, to see if there are obvious free fall. If drop significantly then remove fuel tank check and seal if it is worn it should be replaced. (2) check the control valve. Clean relief valve check that the valve is worn, wear and should be replaced. Safety valve installation if there is no change, then check control valve wear, its clearance limit, wear should be replaced. (3) measuring the pressure of the hydraulic pump. If the pressure is too low, adjust pressure adjustment, then the hydraulic pump is badly worn.

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