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1 目 次 １ 概 要 ··············································································· 2 ２ 各部の名称及び説明 ··································································· 3 （１）ＭＰ－２０Ｃ ····································································· 3（２）ＭＰ－２０Ｓ ····································································· 5（３）ＭＰ－２０ＴＫ ··································································· 6３ 仕様 ················································································· 7 ４ ご使用上の注意事項 ··································································· 8 ５ 設置方法 ············································································· 9 ６ ご使用前の準備 ······································································ 11 ７ 保守点検 ············································································ 12 （１）稼動前の点検事項 ································································ 12（２）稼働中の点検事項 ································································ 12（３）稼動後の点検事項 ································································ 12（４）作動油の交換について ···························································· 12８ 圧力スイッチの説明 ·································································· 13 ９ 操作方法 ············································································ 15 （１）ＭＰ－２０Ｃ ···································································· 15（２）ＭＰ－２０Ｓ ···································································· 16（３）ＭＰ－２０ＴＫ ·································································· 17１０ 高圧安全弁の調整方法 ································································ 18 １１ 低圧安全弁、アンロード弁の調整について ·············································· 19 １２ ポンプのエア抜きについて ···························································· 20 １３ 故障の解説 ·········································································· 21 １４ 内部構造図、部品表 ·································································· 23 （１）ＭＰ－２０Ｃ ポンプ部 ·························································· 23（２）ＭＰ－２０Ｃ 油タンク、配管関係 ················································ 26（３）ＢＰＳ－８１ バルブブロック ···················································· 29（４）ＢＨＶ－４８ 方向制御弁 ························································ 31（５）方向制御弁部 ···································································· 33（Ａ）ＳＯＷ－Ｒ－４８ 方向制御弁 ·················································· 33（Ｂ）ＢＳＳ－８ サブプレート ······················································ 34（Ｃ）配管部 ········································································ 34 （６）ＲＵＮ－２１０ アンロード弁 ···················································· 35（７）ＣＲＶ－７Ｕ 高圧安全弁 ························································ 36１５ 電気回路図 ·········································································· 37 １６ 高圧ホースの取扱い ·································································· 38 １７ 高圧管、溶接継手 ···································································· 40