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The manual you are buying is used Komatsu PC228US-3 PC228USLC-3 Hydraulic Excavator Shop Manual. Comes with an operation and maintenance manual and a parts book. Item is sold as is. Please consult all pictures before purchase. Shipping quote is for the lower 48 states only. All others please message us for a shipping quote. Thanks.
When the valve with internal leakage failure disintegrates, it is found that the sealing surface of the valve core seat is damaged, which is characterized by dense medium scouring grooves. In the closed state, the valve medium can still leak along the...
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