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掘削機の油圧ポンプの圧力不足の原因は何ですか?
This blog explains the main causes of insufficient pressure in an excavator's hydraulic pump, including internal pump wear, variable displacement mechanism failure, seal damage, and suction-side issues such as cavitation, oil deterioration, and contamination. It also provides a quick troubleshooting strategy to isolate pump versus downstream faults and prioritize easy checks before disassembly.
コマツ PC1250 掘削機の油圧ポンプの過熱と流量損失のトラブルシューティング
2026-09-24
