?丹佛斯變量柱塞泵90R05590R075型變量柱塞泵能夠有效的實現(xiàn)工作壓力、流量和壓力的高度控制、流量可調(diào)，能夠?qū)崿F(xiàn)全自動連續(xù)工作，液壓系統(tǒng)的流量、速度、壓力可調(diào)節(jié)，能夠?qū)崿F(xiàn)連續(xù)、無級調(diào)節(jié)丹佛斯柱塞泵可直接把柱塞直接推入式或半聯(lián)動式作業(yè)模式，可以將主機控制起來在一定范圍內(nèi)可進行任意的角度調(diào)節(jié)，這一特點使得操作變得十分方便。
丹佛斯柱塞泵產(chǎn)品適用于各種混凝土.砂漿.該系列瀝青路面澆筑施工及高層建筑分為以下幾類：90R055.90R075變量柱塞泵(適用于任何規(guī)格)(不包括各種標準型號)(3)在裝配時用砂紙或無紡布或橡膠薄膜對零件進行擦拭。
(2)檢查是否松動 (1)柱塞泵工作時，禁止用手、錘子及其它金屬物品敲擊或用力搖動； 嚴禁用鐵器刮擦零部件如必須敲打，應先切斷電源，使內(nèi)部絕緣良好，再敲打在使用過程中應經(jīng)常檢查潤滑情況并經(jīng)常清洗過濾器 (2)使用潤滑脂，但不得使該油液進入活塞的進齒圈和出料端； (3)定期檢查氣缸內(nèi)各零部件是否磨損，并及時更換磨損部位；(4)如果使用液壓油，請更換液壓油及其他易損件；(5)如活塞工作時出現(xiàn)振動或噪聲應及時維修，不得長時間運轉(zhuǎn)后修復；丹佛斯柱塞泵是一種能代替老式挖掘機的新型產(chǎn)品。
它由兩個結(jié)構組成:1.雙缸雙吸單排排油底殼2.單缸雙吸單排排油底殼2.雙缸雙吸單排排油底殼3.雙缸雙吸/雙排排油底殼4.單缸雙吸/雙排排為適應不同工作工況需要 (3)裝配時動作應靈活可靠，聲音正常； 裝配時應使零件間隙符合要求，并使液壓元件充分潤滑，裝配好后再進行試運轉(zhuǎn)，防止損壞零件。
檢查工作齒輪、凸輪軸座、滾輪等，應無劃傷；檢查凸輪軸與齒輪、凸輪軸座配合面、齒輪軸孔及軸套等處有無裂紋；檢查齒輪、凸輪軸配合面是否平整光滑；檢查活塞應在油腔內(nèi)進行并應按規(guī)定進行定位、壓蓋、軸套及聯(lián)軸器等零件的裝配。
丹佛斯柱塞泵上連接螺栓有兩種類型:1.單向柱塞泵主要用于輸送壓力較大時不需外加壓力就可以輸送液體，可直接把柱塞直接推入式或半聯(lián)動式作業(yè)模式等;2.單向柱塞泵主要用于輸送油類和固體顆粒較大時無需外加壓力就可以輸送液體。
對于安裝使用條件很苛刻的場合，只需將管路上的閥門關閉即可 (4)如發(fā)現(xiàn)有異常現(xiàn)象，應立即停止工作，查明原因?qū)ΠY解決 丹佛斯新型柱塞泵具有質(zhì)量輕、壽命長、噪音低、操作方便、安裝簡單、節(jié)省材料、結(jié)構緊湊、節(jié)能等特點，液壓油經(jīng)過密封圈過濾后與空氣混合，以降低磨損，并可直接用于泵內(nèi)輸送介質(zhì)。
液壓系統(tǒng)中的介質(zhì)稱為液壓油它是一種具有潤滑和冷卻作用的液體常用于高溫工業(yè)爐、油田抽排油，以及食品加工設備上通常以油泵直接從壓力容器中排出，這種排油方法使壓縮空氣中大量的氧氣進入液壓油內(nèi)部，在高溫下通過金屬管壁使高壓泵腔壓力升高，并使油液產(chǎn)生高壓從而實現(xiàn)排油的目的。
(5)若發(fā)動機發(fā)生故障時，當工作裝置停于故障部位后，再繼續(xù)按原操作方法進行維護或修理，嚴禁私自拆改零部件； 在操作之前要檢查的是泵和控制裝置是否出現(xiàn)故障，主要是注意油液是否變黑等，還有就是確認泵和控制系統(tǒng)有無漏油。
液壓系統(tǒng)中的液壓油液、油與氣液的比例一般為1:7,而且，液壓油液內(nèi)會存在一些雜質(zhì)，如果長期使用這種油液的話很容易造成液壓馬達故障等所以，對于這類液壓管路及元件應該定期清洗和保養(yǎng)在每次工作前都應該檢查系統(tǒng)內(nèi)部是否有雜質(zhì)及其他污染物存在；如果發(fā)現(xiàn)管道堵塞會及時清理或更換。
(6)必須將管路中的壓縮空氣放盡 對于一般的混凝土泵，建議安裝壓縮空氣過濾器，如安裝壓縮空氣過濾器時，應將管路中的壓縮空氣排盡如果管路中有空氣回流，應切斷管路中的壓縮空氣，將回油閥打開將管路中的空氣放盡。
在進行其他混凝土輸送前，必須將壓縮空氣管路中的空氣放盡，避免吸入空氣造成損壞由于輸送過程中有回彈，在輸送前必須將管路中的空氣放盡當輸送過程中出現(xiàn)氣塞現(xiàn)象時，應及時處理 90L100-HF-1-AB-60-P-4-C7-E-03-GBA-26-26-30 90L100HF1AB60P4C7E03GBA262630 90-L-100-HF-1-AB-60-P-4-C7-E-03-GBA-26-26-30 90L100HF1AB60P4C7E03GBA262630 90-L-100-HF-1-AB-60-R-3-F1-E-00-GBA-29-29-24 90L100HF1AB60R3F1E00GBA292924 90-L-100-HF-1-AB-60-R-3-S1-E-00-GBA-35-35-24 90L100HF1AB60R3S1E00GBA353524 90L100-HF-1-AB-60-R-3-S1-E-03-GBA-35-35-24 90L100HF1AB60R3S1E03GBA353524 90-L-100-HF-1-AB-60-R-3-S1-E-03-GBA-35-35-24 90L100HF1AB60R3S1E03GBA353524 90-L-100-HF-1-AB-60-S-3-F1-F-03-GBA-42-42-24 90L100HF1AB60S3F1F03GBA424224 90-L-100-HF-1-AB-80-L-3-C7-F-03-GBA-42-42-24 90L100HF1AB80L3C7F03GBA424224 90-L-100-HF-1-AB-80-L-4-S1-E-02-GBA-29-29-24 90L100HF1AB80L4S1E02GBA292924 90-L-100-HF-1-AB-80-P-3-S1-F-03-GBA-35-35-24 90L100HF1AB80P3S1F03GBA353524 90-L-100-HF-1-AB-80-P-4-F1-E-03-GBA-32-32-24 90L100HF1AB80P4F1E03GBA323224 90-L-100-HF-1-AB-80-P-4-S1-E-03-GBA-42-42-24 90L100HF1AB80P4S1E03GBA424224 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90-L-100-HF-1-CD-60-S-4-F1-F-03-GBA-42-42-24 90L100HF1CD60S4F1F03GBA424224 90-L-100-HF-1-CD-61-R-3-F1-F-00-GBA-23-23-24 90L100HF1CD61R3F1F00GBA232324 90-L-100-HF-1-CD-80-L-3-C7-F-03-GBA-42-42-24 90L100HF1CD80L3C7F03GBA424224 90-L-100-HF-1-CD-80-L-3-S1-F-00-GBA-23-23-24 90L100HF1CD80L3S1F00GBA232324 90-L-100-HF-1-CD-80-P-4-F1-E-03-GBA-35-35-24 90L100HF1CD80P4F1E03GBA353524 90-L-100-HF-1-CD-80-R-3-F1-F-03-GBA-38-38-24 90L100HF1CD80R3F1F03GBA383824 90-L-100-HF-1-CD-80-R-3-S1-E-03-GBA-35-35-24 90L100HF1CD80R3S1E03GBA353524 90-L-100-HF-1-CD-80-R-4-C6-F-04-GBA-42-42-24 90L100HF1CD80R4C6F04GBA424224 90-L-100-HF-1-CD-80-R-4-S1-E-03-GBA-35-35-24 90L100HF1CD80R4S1E03GBA353524 90-L-100-HF-1-CD-80-S-4-F1-E-03-GBA-35-35-20 90L100HF1CD80S4F1E03GBA353520 90-L-100-HF-1-NN-60-L-3-F1-E-00-GBA-29-29-24 90L100HF1NN60L3F1E00GBA292924 90-L-100-HF-1-NN-60-L-3-F1-E-03-GBA-29-29-24 90L100HF1NN60L3F1E03GBA292924 90-L-100-HF-1-NN-60-L-3-F1-E-03-GBA-32-32-24 90L100HF1NN60L3F1E03GBA323224 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90-L-100-HF-2-BC-80-R-4-F1-E-03-GBA-32-32-20 90L100HF2BC80R4F1E03GBA323220 90-L-100-HF-5-AB-60-L-4-F1-E-03-GBA-38-38-24 90L100HF5AB60L4F1E03GBA383824 90L100-HF-5-AB-60-P-4-C7-E-03-GBA-26-26-30 90L100HF5AB60P4C7E03GBA262630 90-L-100-HF-5-AB-60-P-4-C7-E-03-GBA-26-26-30 90L100HF5AB60P4C7E03GBA262630 90L100-HF-5-AB-60-P-4-C7-E-04-GBA-35-35-28 90L100HF5AB60P4C7E04GBA353528 90-L-100-HF-5-AB-60-P-4-C7-E-04-GBA-35-35-28 90L100HF5AB60P4C7E04GBA353528 90L100-HF-5-AB-60-R-4-C7-E-03-GBA-35-35-26 90L100HF5AB60R4C7E03GBA353526 90-L-100-HF-5-AB-60-R-4-C7-E-03-GBA-35-35-26 90L100HF5AB60R4C7E03GBA353526 90L100-HF-5-AB-80-L-3-C7-E-03-GBA-32-32-24 90L100HF5AB80L3C7E03GBA323224 90-L-100-HF-5-AB-80-L-3-C7-E-03-GBA-32-32-24 90L100HF5AB80L3C7E03GBA323224。
