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13788947795PARKER派克液壓泵常見問題及解決方法
一、液壓液壓泵（以下簡稱泵）產(chǎn)生噪音有下面幾種情況。
1.氣蝕噪音
液壓油中含有氣泡時，帶有氣泡的油液被吸入缸孔中，柱塞在缸孔中壓迫油液壓入缸體配流面的排油窗口，在高壓作用下，這些油液中的氣泡將突然擠破裂，大小幾乎相同的氣泡被高壓濃縮后再突發(fā)性的潰滅，就造成一次強勁的氣爆，氣泡的爆裂時所產(chǎn)生的另一種超高音調(diào)噪音，會發(fā)出一種尖銳刺耳的嘯叫聲。這種尖銳刺耳噪聲是跟隨泵的壓力值而變化的。泵的輸出壓力達到zui高時，這種噪音分貝也越高，當泵的壓力下降后，這種噪音也隨著衰弱。
當泵吸入小量空氣時所產(chǎn)生的噪音聽起來像卡嗒卡嗒的響聲，有點像軸承損壞的聲音。當泵的壓力升到高壓時，就產(chǎn)生一種很古怪的重擊爆裂的噪音。
2.PARKER派克液壓泵固有的噪音
泵原固有的噪音是泵的生產(chǎn)制造技術到目前還沒有達到“魯棒性”要求。對泵的工作方式而言，泵主軸每旋轉(zhuǎn)一周，泵中的每一只柱塞均作一次吸油到壓油的循環(huán)。柱塞在完成吸壓油的配流過程中，當缸體上的柱塞孔腔從配流盤上的吸油窗口內(nèi)吸滿油液后旋轉(zhuǎn)向排油區(qū)過渡時，充滿低壓油的柱塞孔腔要與配流盤上的排油窗口內(nèi)的高壓油接通前的瞬間。缸體柱塞孔腔內(nèi)的超調(diào)的死容積高壓油瞬間釋壓造成一次液爆，這種九柱塞孔腔的連續(xù)的壓力瞬變液爆是一種穩(wěn)定的高音調(diào)聲響，每臺泵都存在著或高或低的液瀑聲響。世界各國的PARKER派克液壓泵生產(chǎn)廠都在配流盤的壓力過渡區(qū)域內(nèi)采取多種形式的降噪單元。由傳統(tǒng)的“三角節(jié)流槽式”到“泄荷孔式”“斜溝式”等方法，但都還是沒有圓滿解決泵的輸出壓力油波動所引發(fā)的流體噪音。對于工程機械上用的大排量壓力突變的高壓泵，死容積區(qū)超調(diào)油液泄壓時產(chǎn)生的液爆噪音也特別強勁。
派克PARKER柱塞泵PV系列
PV270R1K1T1NMMC
PV270R1K1T1WMMC
PV180R1K1T1NMMC
PV140R1K1T1NMMC
PV040R1K1T1NMMC
PV046R1K1T1NMMC
PV016R1K1T1NMMC
PV032R1K1T1NMMC
PAVC10038R4222
PV040R1K1T1NMMC
PAVC100R4222
派克PARKER比例閥D31,D41,D91,D111
D31FHE02C1NB00 新型號 D31FCE02DC1NB70
D31FHE01A4NB00 新型號 D31FCE01CC4NB70
D31FHE01C4NB00 新型號 D31FCE01DC4NB70
D41FBE01FC1NF0010
D41FBE01FC4NF0010
D41FBE02FC1NF0010
D91FBE01HC1NF0010
D31FBE01CC1NF00
D41FHE01C2NB00
D41FHE02C1NE00
D41FHB32C2NB00
D41FHE01E1NE00
D41FHB31F2NB00
D41FHE01F4NB00
D41FHE01F1NE00
D41FHB31E1NE00
D41FHB31F1NE00"
派克PARKER葉片泵系列T6
T6D系列
T6E 系列
T6CC 系列
T6DC 系列
T6EC系列
T6ED系列
派克PARKER伺服閥系列BD
BD1AANB10
派克PARKER單向閥系列
FM2DDSV
CPOM2DDV
FM3DDDSV
FM2DDKV
FM3DDSV
FM3DDKV"
CPOM3DDV
派克PARKER放大板系列EF
EF31系列
EF41系列
EF81系列
EF91系列
派克PARKER放大器系列
PWD00A-400
PCD00A-400
701-00600-8
PQD00A-Z10
PZD00A-400
DG34
DG365
DG35
DG33
026-54570-0 C1FP12LCA1
D3DW34CVJW
D3FWE81MCNKW020
D1VW004KNTW
R900365723 LFA40D38-65/
D3W4CNJK
TE0230AP100AAAA
PRM4PP35SVHT
FM4DDFVHT
026-38971-0 S26-98699-0
0510225023
CVCS32AB29K10I09S
016-85200-0 R4V0653310A125
D3W20BNJC1C
D3W001KNJW
TDA040EW09B2NXW
098-91043-0 ZDVABS025S0D1
DR.PM18-25#1 159108722
9C1600S
D1VW20BNJP
R900205506 2FRM6B36-36/1.5QMV
R900205510 2FRM6B36-3X/16QMV
AC13-1/4-20
RPM2PT35SVG
D1VW20BNJP
FM4DDTVHT
D1VW020HVTW91
026-57331-H 4DD1G0Q
D1VW008CNYCF
D1VHW004CNYCF
016-82917-0 R5V0851312A125
026-54517-HB VV01321G0QE1
CPOM6DDV
D1VW020BNTW91
D1VW002ENJW91
D1SE30BNGW
VS064A06VG
D1VW001CVJW
PRDM3PP21LVG
026-22898-0 R4R1059332B1
D1VP026BN90
D1VW004CNTWF
D1VW009CNTW
R10M35S4SN
FM2DDKV
R900489027 ZDC25P-21/XM
G21-1BA
FM2DDSV55
KZGO-A-031/315 20
XG2V8FW10
D3W001CNJW
D1VW008CVJW
D1VW004CVJW
RDM2PT35KVG
D1VW020DNJDJ5
D1VW020DNJWL
016-87819-0 R4V0653330A1
MK30G12
D1FBE02HC0NMW0
D1VW020BNJW
PRDM2PP16LVG
VDM4PH-
DS162CV
DSL101
TG028EW460AAAB
116A-164-BM-0-F
D1VW004CNJWLM
D1VW020HNJWLM
D1VW020DNJCM6
RM2AT17KN
D1VW001CNYP
D1VW008CNPEU
FM4DDTVHT
016-84785-0 R4V0659312A1
AK-TDAESMA
D3FTE01MCVG00
D1FTE01FCNF00
D41VW020B4NJW
D1FSE01CCNKC0
026-54163-H 4DC1G0Q
D1VW20BNJP
D1VW035ENGW
D1VW022CNJW
D1VW008CNJW
D3W020BNJW
CM2PPV
9N1200S
D1VW009CNJW
D1VW001CNYPF
P3KLA14LSMN
PRH102S50
RAH201S50
MK-PVBG3K0341
9N600S
CV102P
NV162K
CVH081P
NV101K
PRH101S30
PRH101K30
CVH161P
CVH121P
RAH121S30
PRH121S20V
R900965674 4WRAE10E60-22/G24K31/F1V
098-91208-0 ZDVAB015SD1
R900561278 4WE6E62/EG24N9K4
NBVP16G-XM24
12F42EDMXS
7321BDN00-481865
937741Q
D1FPE01HC9NB00
D1FPE01MC9VB00
D1FPE50MB9HE00X807
938010Q
BD30AAENB25
026-66742-G R4R0659331P2G0RB1
D3W006CNJW
026-57331-H 4DD1G0Q
S26-59682-0 SPC0311P05CB1
116A-164-BM-0-F
TF0195MS010AAAA
D81VW004K4NJW
PGB.0631.250
TE0050AR110AAAA
TE0050MW260AAAB
TE0260AP100AAAB
D41VW0044NJW
D3W4CNJK
R900020154 VT3002-1-20/48F
R901010980 VT-MSPA2-1-10/V0/0
0811405063 VT-VRRA1-527-20/V0/2STV
0811405060 VT-VRRA1-527-20/V0
R901077297 VT-VSPD-1-23/V0/0-0-1
TF0195MS010AAAA
R900711320 4WRKE16W8-200L-34/6EG24ETK31/A1D3M
R900927235 4WREE10V50-23/G24K31/A1V
R900307202 LG10S-P-20/
R900589988 4WE1J33/CG24N9K4
PVAC2MCMNSJW35
0510766016
0820062101
0820062201
BVG12-G24-3/8
BVP2R-G24
SEH2-2/22
SG1W-A
GS2-1A-G24
RD102S09
CAV1
R901102721 HED80P-20/200K14
R901101640 HED80H-20/350K14
R900979055 LC63A10D7X/V
016-88219-0 R4V1053311A1
016-87643-0 R4V1059312A1
RE10M35T4SN1F046
026-20276-0 R4V0653331A1
C040AA99N10
016-84142-0 R4V0653510A1
016-86138-0 R4R0659531B1
016-86313-0 R1E022522A5
026-66472-0 R4R0659331P2G0RB1
016-95330-0 R4R0659111B1
016-85564-0 R4V1053310A1
026-46368-H R4V065353011G0QA1
026-27026-0 R4R0659331B1
RS10M07S4SN1TW40
026-41638-H R4V105331011G0QA1
026-67057-0 C5V12341B1
D1VW004CNGW91
RS10R25S4SN1TW50
D1VW001CVJW
R6V035931009G0QB125
R10R17S4SN40
016-88987-0 3D0234411010400A1
026-55533-H R5V104931209G0QA1
016-95846-0 R5S08C37116A1
026-56094-H R5V085931209G0QA1
026-56952-H R5V123931209G0QA1
026-66642-H R5V104931211G0QA1
026-57009-0 4DP013T02F3003B1G12C1
026-70593-0 F5C08A431120B1
026-67054-0 C5V12311B1
026-67047-0 C5V10311B1
026-67039-0 C5V08311B1
026-20101-0 R4V06G53330A1
RDM2PT35KVG15
S16-95428-0 R4R** 001 10 B1 BSP PILOT
098-91210-0 ZDV ABS 01 5 S0 D1
D1VA1CV90
PCM800S
026-86388-0 4DP01 3E02F30 03B1 G24C1
RE06M25W2V1JW20
PCMS800S
F3200S
D1VW002KNTW91
GFG2PK18V-10
D1VL004CN4J91
EURG2-06-CV-13UG
D1VW035ENGW91
DG17V-3-6C-60
D1VW076ENJW91
D1FBE02HC0NMW012
D1VW030BNJWT15N91
D1VW020DNJDLJ591
D3DL1CV35
D3DW21CNJP40
VMY160L06NN1PXG056
D1FPE50MB9HB7015TDL100
D3W001ENJWT42
VMY160L06NV1P10
026-30324-5 R4R06 535 11 B5
026-30706-H 4D01 3208 0302 C1G0Q F6
098-91043-0 ZDV ABS 02 5 S0 D1
D3DL4CN35
D3W1KNTP30
026-95128-0 R1E02 2321 A1 045
RE06M35W2V1XW20
026-35978-U VV01 311 W07 F1 004
D3W009ENJW42
098-91206-0 ZDV B 01 5 S0 D1
SVLD546P20S
026-54156-H 4D01 3152 0201 C1G0Q
PRDM2PP16SVG15
CPOM2BB25V56
CPOM2BBV56
PRDM3AA17SV11
026-54992-H 4D01 3203 0302 C1G0Q G3
HQ-013/G/52
C032AA99N10
NV162K
D1VW11CNJW75
026-99268-H 4RP01 D 25 G24 C1
S26-58413-G 4VP01 34 G12 B1 C1
098-91053-0 ZDR AR02 5 S0 D1
026-35978-U VV01 311 W07 F1 004
RDM2PT35SVG15
PRDM2PT16SVG15
D3W1CNTP
026-54082-H 4D01 3103 0501 C1G0Q
026-57379-H 4D02 3203 0302 D1G0Q
3619131310
D3W20BNTP
026-54517-H VV01 321 G0Q F1
D3DW034CVJW
DSL101CRTD024LD
026-54570-0 C1FP 12 L C A 1
098-91056-0 ZRD AZ 01 S0 D1
026-57374-H 4D02 3201 0302 D1G0Q
016-95346-0 R4R10 593 11 B1
026-54112-H 4D01 3111 0201 C1G0Q
026-20101-0 R4V06G 533 30 A1
DSH101CR
D1VW004KNTW
026-22756-0 R4V10 G 533 30 A1
D1VW020HNJWP
016-88219-0 R4V10 533 11 A1
026-36006-H D4S03 3A5 114 09G0Q B1
026-56166-H 4D01 3151 010C B5GOQ 21 E8
016-95313-0 R4R03 533 11 B1
026-66174-S 4D03 3A51 0103 10C1W31
RS10M07S4SN1TW
026-41638-H R4V10 533 10 11G0Q A1
CPOM6DDV
098-91304-0 ZRE B 02 E1
026-55121-0 4D01 3411 0204 B1
D1VW001CNYPF
RDM2PT16SVG
PRDM1PP16LVG17
PSB040AF115
098-91208-0 ZDV AB 01 5 S0 D1
098-91210-0 ZDV ABS 01 5 S0 D1
026-35123-C 4D01 3111 0101 C1W02
VSA310623
RDM2AT25S10
026-54507-H VV01 311 G0Q F1
AVF-3/8-S28
PRDM2AA16SVG20
CE040C04S00N10
PRDM2PP06KVG
026-67047-0 C5V10 311 B1
098-91039-0 ZDV B 02 5 S0 D1
026-35051-S 4D01 3203 0302 C1W31
016-85108-0 R4V03 535 30 A1
PRDM3PP15KVG
098-90873-0 ZAP PAB 01
D3W20BNJC1C
016-85200-0 R4V06 533 10 A1
026-54076-H 4D01 3101 0601 C1G0Q
026-57374-H 4D02 3201 0302 D1G0Q
026-57331-H 4D02 3101 0601 D1G0Q
098-91206-0 ZDV B 01 5 S0 D1
098-91019-0 ZRE B 01 D1
098-91056-0 ZRD AZ 01 S0 D1
098-91053-0 ZDR AR02 5 S0 D1
026-54184-H 4D01 3203 0302 C1G0Q
RS10M17S4SN1JW
026-95603-0 R4V10 593 4G A1
D1VW004CNJEE91
098-91043-0 ZDV ABS 02 5 S0 D1
026-39566-H R4V03 535 10 P2G0Q A1
0510225023 AZPF-11-004RAB01MB
R900957816 4WE 6 H6X/EG220N9K4
XG2V-8FW-10
CG03-B-10-I11S
26504-RBZ
02-169444 EPRV1-16-5.00-0-00
R1,7-1,7-1,7-1,7
0510525075 AZPF-12-014RHO30KB
PRDM2PP02SVC PRDM2PP02SVC15
SK-PRDM2.. SK-PRDM2
SK-PRDM2..V SK-PRDM2..Viton
SK-PRDM2BB SK-PRDM2BB
PRDM2PP06SVG PRDM2PP06SVG15
PRDM2PP02SVG PRDM2PP02SVG15
PRDM2PP16SVG PRDM2PP16SVG15
PRDM2PP21SVG PRDM2PP21SVG15
PRDM2AA02SVG PRDM2AA02SVG15
PRDM2AA06SVG PRDM2AA06SVG15
PRDM2AA16SVG PRDM2AA16SVG15
PRDM2AA21SVG PRDM2AA21SVG15
PRDM2BB02SVG PRDM2BB02SVG15
PRDM2BB06SVG PRDM2BB06SVG15
PRDM2BB16SVG PRDM2BB16SVG15
PRDM2BB21SVG PRDM2BB21SVG15
PRDM2PX06SVG PRDM2PX06SVG15
PRDM2PP06KVG PRDM2PP06KVG15
PRDM2PP02KVG PRDM2PP02KVG15
PRDM2PP02LVG PRDM2PP02LVG15
PRDM2PP06LVG PRDM2PP06LVG15
PRDM2AA06KVG PRDM2AA06KVG15
PRDM2AA06LVG PRDM2AA06LVG15
PRDM2BB06KVG PRDM2BB06KVG15
PRDM2BB06LVG PRDM2BB06LVG15
PRDM2PP06SVS PRDM2PP06SVS15
PRDM2PP06SVM PRDM2PP06SVM15
PRDM2PP06SVC PRDM2PP06SVC15
PRDM2AA06SVM PRDM2AA06SVM15
PRDM2AA02SVM PRDM2AA02SVM15
PRDM2BB06SVM PRDM2BB06SVM15
PRDM2BB16SVM PRDM2BB16SVM15
PRDM2PP02SVM PRDM2PP02SVM15
PRDM2PP16SVM PRDM2PP16SVM15
PRDM2PP21SVM PRDM2PP21SVM15
PRDM2PP16KVG PRDM2PP16KVG15
PRDM2BB16KVG PRDM2BB16KVG15
PRDM2PP06KVS PRDM2PP06KVS15
PRDM2PP16SVS PRDM2PP16SVS15
PRDM2PP21LVG PRDM2PP21LVG15
PRDM2AA16LVG PRDM2AA16LVG15
PRDM2BB16LVG PRDM2BB16LVG15
PRDM2PP16LVG PRDM2PP16LVG15
PRDM2PP16KVS PRDM2PP16KVS15
PRDM2PP21KVS PRDM2PP21KVS15
PRDM2AA16KVS PRDM2AA16KVS15
PRDM2BB06KVS PRDM2BB06KVS15
PRDM2PP21SVGX825 DRZP-6S-210/2
PRDM2AA06LVGX797 PRDM2AA06LVG15X797
PRDM2BB06SVGX797 PRDM2BB06SVG15X797
PRDM2PP06SVGX797 PRDM2PP06SVG15X797
PRDM2AA06SVGX797 PRDM2AA06SVG15X797
PRDM2PP06LVGX797 PRDM2PP06LVG15X797
PRDM2PP16SVGX797 PRDM2PP16SVG15X797
PRDM2BB16SVGX797 PRDM2BB16SVG15X797
PRDM2AA16SVGX797 PRDM2AA16SVG15X797
PRDM2BB06LVM PRDM2BB06LVM15
PRDM2AA21KVG PRDM2AA21KVG15
PRDM2PP21SVGX797 PRDM2PP21SVG15X797
PRDM2BB16LVM PRDM2BB16LVM15
PRDM2PP16LVGX797 PRDM2PP16LVG15X797
PRDM2PP06LVM PRDM2PP06LVM15
PRDM2AA06LVM PRDM2AA06LVM15
PRDM2PP02LVM PRDM2PP02LVM15
PRDM2PP16LVM PRDM2PP16LVM15
PRDM2PP06LVC PRDM2PP06LVC15
PRDM2PP21KVG PRDM2PP21KVG15
PRDM2BB02LVM PRDM2BB02LVM15
PRDM2BB02LVG PRDM2BB02LVG15
PRDM2AA02LVG PRDM2AA02LVG15
PRDM2PP35SVGX797 PRDM2PP35SVG15X797
PRDM2AA02SVGX797 PRDM2AA02SVG15X797
PRDM2PP21SVGX862 PRDM2PP21SVG15X862
PRDM2AA02LVM PRDM2AA02LVM15
PRDM2BB35SVG PRDM2BB35SVG15
PRDM2PP35SVG PRDM2PP35SVG15
PRDM2AA35SVG PRDM2AA35SVG15
PRDM2PP35KVG PRDM2PP35KVG15
PRDM2PP16SVGX738 PRDM2PP16SVG15X738
PRDM2PP16SVGX862 PRDM2PP16SVG15X862
PRDM2AA16KVG PRDM2AA16KVG15
PRDM2PP16SVC PRDM2PP16SVC15
PRDM2PP21SVC PRDM2PP21SVC15
PRDM2PP35LVG PRDM2PP35LVG15
PRDM2BB21KVG PRDM2BB21KVG15
PRDM2PP16LVC PRDM2PP16LVC15
PRDM2AA02KVG PRDM2AA02KVG
PRDM2AA21LVG PRDM2AA21LVG15
PRDM2AA35KVG PRDM2AA35KVG15
PRDM2BB35KVG PRDM2BB35KVG15
PRDM2PX02SVG PRDM2PX02SVG15
PRDM2PP21KVGX797 PRDM2PP21KVG15X797
PRDM2BB16SVGX825 DRZB-6S-160/2
PRDM3PP01SVG PRDM3PP01SVG15
PRDM3AA01SVG PRDM3AA01SVG15
PRDM3BB01SVG PRDM3BB01SVG15
SK-PRDM3-V-10 SK-PRDM3..Viton
PRDM3PP05SVG PRDM3PP05SVG15
PRDM3PP10SVG PRDM3PP10SVG15
PRDM3PP15SVG PRDM3PP15SVG15
PRDM3PP21SVG PRDM3PP21SVG15
PRDM3BB05SVG PRDM3BB05SVG15
PRDM3BB10SVG PRDM3BB10SVG15
PRDM3BB15SVG PRDM3BB15SVG15
PRDM3BB21SVG PRDM3BB21SVG15
PRDM3BB05LVG PRDM3BB05LVG15
PRDM3PP01LVG PRDM3PP01LVG15
PRDM3PP05LVG PRDM3PP05LVG15
PRDM3PP10LVG PRDM3PP10LVG15
PRDM3PP15LVG PRDM3PP15LVG15
PRDM3PP21LVG PRDM3PP21LVG15
PRDM3AA05SVG PRDM3AA05SVG15
PRDM3AA10SVG PRDM3AA10SVG15
PRDM3AA15SVG PRDM3AA15SVG15
PRDM3AA21SVG PRDM3AA21SVG15
PRDM3BB01LVG PRDM3BB01LVG15
PRDM3BB10LVG PRDM3BB10LVG15
PRDM3BB15LVG PRDM3BB15LVG15
PRDM3BB21LVG PRDM3BB21LVG15
PRDM3AA01LVG PRDM3AA01LVG15
PRDM3AA05LVG PRDM3AA05LVG15
PRDM3AA10LVG PRDM3AA10LVG15
PRDM3AA15LVG PRDM3AA15LVG15
PRDM3AA21LVG PRDM3AA21LVG15
PRDM2BB16SVC PRDM2BB16SVC15
PRDM2BB21SVGX797 PRDM2BB21SVG15X797
PRDM3PP10SVGX825 DRZP-10S-100
PRDM2AA16SVS PRDM2AA16SVS15
PRDM3PP10LVM PRDM3PP10LVM15
PRDM2BB21LVG PRDM2BB21LVG15
PRDM2BB16LVGX797 PRDM2BB16LVG15X797
PRDM3BB10SVM PRDM3BB10SVM15
PRDM2PP21KVM PRDM2PP21KVM15
PRDM2PP02KVM PRDM2PP02KVM15
PRDM3BB21SVM PRDM3BB21SVM15
PRDM2AA16SVM PRDM2AA16SVM15
PRDM2BB02KVC PRDM2BB02KVC15
PRDM2PP02SVS PRDM2PP02SVS15
PRDM2AA21SVC PRDM2AA21SVC15
PRDM3PP05SVC PRDM3PP05SVC15
PRDM2BB21SVC PRDM2BB21SVC15
PRDM3PP15SVC PRDM3PP15SVC15
PRDM3AA21SVC PRDM3AA21SVC15
PRDM2BB35KVC PRDM2BB35KVC15
PRDM3PP05SVGXG136 PRDM3PP05SVG15XG136
PRDM2AA06KVC PRDM2AA06KVC15
PRDM2PP06KVC PRDM2PP06KVC15
PRDM3PP15SVGXG136 PRDM3PP15SVG15XG136
PRDM3PP21SVGXG136 PRDM3PP21SVG15XG136
PRDM3AA21SVGXG136 PRDM3AA21SVG15XG136
PRDM3PP10SVGXG136 PRDM3PP10SVG15XG136
PRDM3AA10SVGXG136 PRDM3AA10SVG15XG136
PRDM3AA15SVGXG136 PRDM3AA15SVG15XG136
PRDM3BB15SVGXG136 PRDM3BB15SVG15XG136
PRDM3BB21SVGXG136 PRDM3BB21SVG15XG136
PRDM2PX16SVG PRDM2PX16SVG15
PRDM2AA21SVGX797 PRDM2AA21SVG15X797
PRDM2AA01KNN MANAPAK PRESS/REDUCIN
PRDM2AA01KVN MANAPAK PRESS/REDUCIN
PRDM2AA01SVN MANAPAK PRESS/REDUCIN
PRDM2AA02KNS MANAPAK PRESS/REDUCIN
PRDM2AA02LNM MANAPAK PRESS/REDUCIN
PRDM2AA02SNG
PRDM2AA02SNN
PRDM2AA02SNS
PRDM2AA02SVN
PRDM2AA02SVY
PRDM2AA06KNN
PRDM2AA06KNS
PRDM2AA06KVN
PRDM2AA06KVS
PRDM2AA06LNG
PRDM2AA06LNN
PRDM2AA06LVN
PRDM2AA06LVS
PRDM2AA06SNG
PRDM2AA06SNM
PRDM2AA06SNN
PRDM2AA06SNS
PRDM2AA06SVN
PRDM2AA16KNN
PRDM2AA16KNS
PRDM2AA16KVN
PRDM2AA16SNG
PRDM2AA16SNN
PRDM2AA16SNS
PRDM2AA21KNN
PRDM2AA21KNS
PRDM2AA21KVN
PRDM2AA21KVS
PRDM2AA21LVS
PRDM2AA21SNG
PRDM2AA21SNN
PRDM2AA21SVY
PRDM2AA35KVS
PRDM2AA35SNN
PRDM2AA35SNS
PRDM2AA35SVN
PRDM2BB01LNS
PRDM2BB01SVS
PRDM2BB02KVG
PRDM2BB02LNM
PRDM2BB02SNM
PRDM2BB02SNN
PRDM2BB02SVN
PRDM2BB06KNG
PRDM2BB06KNN
PRDM2BB06KNS
PRDM2BB06KVN
PRDM2BB06LNG
PRDM2BB06LNM
PRDM2BB06LNN
PRDM2BB06LNS
PRDM2BB06LVN
PRDM2BB06SNG
PRDM2BB06SNM
PRDM2BB06SNN
PRDM2BB06SNS
PRDM2BB06SVN
PRDM2BB06SVY
PRDM2BB16KNN
PRDM2BB16KNS
PRDM2BB16KVS
PRDM2BB16SNN
PRDM2BB16SVY
PRDM2BB21KNN
PRDM2BB21KNS
PRDM2BB21KVN
PRDM2BB21KVS
PRDM2BB21SNG
PRDM2BB21SNN
PRDM2BB21SNS
PRDM2BB35SNS
PRDM2PP01KNN
PRDM2PP01LVG
PRDM2PP01SNN
PRDM2PP01SNS
PRDM2PP01SVN
PRDM2PP01SVS
PRDM2PP02KNN
PRDM2PP02KNS
PRDM2PP02KVN
PRDM2PP02KVS
PRDM2PP02LNM
PRDM2PP02LNN
PRDM2PP02LVN
PRDM2PP02SNG
PRDM2PP02SNM
PRDM2PP02SNN
PRDM2PP02SNS
PRDM2PP02SVY
PRDM2PP06KNN
PRDM2PP06KVN
PRDM2PP06LNG
PRDM2PP06LNN
PRDM2PP06LNS
PRDM2PP06LNY
PRDM2PP06LVS
PRDM2PP06SNG
PRDM2PP06SNM
PRDM2PP06SNN
PRDM2PP06SVN
PRDM2PP16KNG
PRDM2PP16KNN
PRDM2PP16KVN
PRDM2PP16LNN
PRDM2PP16LVN
PRDM2PP16SNM
PRDM2PP16SNN
PRDM2PP16SVY
PRDM2PP21KNG
PRDM2PP21KNN
PRDM2PP21LNN
PRDM2PP21LVN
PRDM2PP21SNM
PRDM2PP21SVY
PRDM2PP35KNN
PRDM2PP35KNS
PRDM2PP35SNN
PRDM2PP35SVS
PRDM3AA10LVM
PRDM3AA10SVS
PRDM3AA15KVG
PRDM3AA15KVN
PRDM3AA15LVN
PRDM3AA15LVS
PRDM3AA15SVN
PRDM3AA15SVS
PRDM3AA21SNN
PRDM3AA21SNS
PRDM3AA21SVN
PRDM3AA21SVS
PRDM3BB05SVS
PRDM3BB10LNN
PRDM3BB10SNS
PRDM3BB10SVS
PRDM3BB15KVG
PRDM3BB16LNG
PRDM3BB21SNN
PRDM3BB21SNS
PRDM3BB21SVN
PRDM3PP05SNS
PRDM3PP05SVS
PRDM3PP10SNN
PRDM3PP10SNS
PRDM3PP10SVN
PRDM3PP10SVS
PRDM3PP15KVG
PRDM3PP15LNN
PRDM3PP15LNS
PRDM3PP15LVN
PRDM3PP15LVS
PRDM3PP15SNM
PRDM3PP15SNN
PRDM3PP15SNS
PRDM3PP15SVN
PRDM3PP15SVS
PRDM3PP21LNN
PRDM3PP21LVS
PRDM3PP21SNN
PRM3AA07LV PRM3AA07LV11
PRM3AA07SV PRM3AA07SV11
PRM3AA17SV PRM3AA17SV11
PRM3AA25KV PRM3AA25KV11
PRM3AA25SV PRM3AA25SV11
PRM3AA35SV PRM3AA35SV11
PRM3BB17KV PRM3BB17KV11
PRM3BB17SV PRM3BB17SV11
PRM3BB25KV PRM3BB25KV11
PRM3PP17SV PRM3PP17SV30
PRM3PP25KV PRM3PP25KV30
PRM3PP25SV PRM3PP25SV30
PRM3PP35KV30 PRM3PP35KV30
PRM3PP35SV PRM3PP35SV30
PRM6AP17KNG PRM6AP17KNG33
PRM6AP25KVG PRM6AP25KVG33
PRM6AP25LVG PRM6AP25LVG33
PRM6PA17KNG PRM6PA17KNG33
PRM6PA25KVG PRM6PA25KVG33
PRM6PA35KVG PRM6PA35KVG33
SK-PRM2-V-11 SK-PRM2-V-11
SK-PRM2-11 SK-PRM2-11
SK-PRM3-V-11 SK-PRM3-V-11
SK-PRM3-V-30 SK-PRM3-V-30
SK-PRM3-11 SK-PRM3-11
SK-PRM4-V-10 SK-PRM4-V-10
SK-PRM4-10 SK-PRM4-10
SK-PRM6-V-11 SK-PRM6-V-11
SK-PRM6-V-25 SK-PRM6-V-25
SK-PRM6-11 SK-PRM6-11
PRM3PP17KV PRM3PP17KV30
PRM3AA17LV PRM3AA17LV11
PRM3BB25SV PRM3BB25SV11
PRM3PP07SV PRM3PP07SV30
PRM3PP17LV PRM3PP17LV30
PRM6PA17KVG PRM6PA17KVG33
PRM3AA17KV PRM3AA17KV11
PRM6AP17KVG PRM6AP17KVG33
PRM3PP07LV PRM3PP07LV30
PRM3BB35SV PRM3BB35SV11
PRM3PP25SV30X685 PRM3PP25SV30X685
PRM3PP07KV PRM3PP07KV30
PRM3BB07SV PRM3BB07SV11
PRM3AA07KV PRM3AA07KV11
PRM3BB07LV PRM3BB07LV11
PRM3PP25LV PRM3PP25LV30
PRM6PA07KVG PRM6PA07KVG33
PRM3BB07KV PRM3BB07KV11
PRM3BB35LV PRM3BB35LV11
PRM3PP35LV PRM3PP35LV30
PRM4PP07SVHT PRM4PP07SVHT
PRM4PP25SVHT PRM4PP25SVHT
PRM4PP35SVHT PRM4PP35SVHT
PRM3AA25LV PRM3AA25LV11
PRM3BB25LV
SK-PRM6-V-33
PRM3AA35KV
PRM6PA25LVG
PRM6AP07KVG
PRM4PP35KVHT
FK-PRM3
PRM3BB17LV
PRM4PP25KVHT
PRM3BB35KV
PRM3AA07KNN
PRM3AA07KVN
PRM3AA07KVS
PRM3AA07SNG
PRM3AA07SNN
PRM3AA07SNS
PRM3AA07SVS
PRM3AA17KNN
PRM3AA17KNS
PRM3AA17KVN
PRM3AA17KVS
PRM3AA17SNM
PRM3AA17SNN
PRM3AA17SVN
PRM3AA17SVS
PRM3AA25KNN
PRM3AA25SNN
PRM3AA25SVN
PRM3AA25SVS
PRM3AA35KVS
PRM3BB07KNN
PRM3BB07KNS
PRM3BB07KVN
PRM3BB07KVS
PRM3BB07SNS
PRM3BB07SVN
PRM3BB17KNN
PRM3BB17KNS
PRM3BB17KVN
PRM3BB17SNN
PRM3BB17SVN
PRM3BB17SVS
PRM3BB25KNN
PRM3BB25KVN
PRM3BB25KVS
PRM3BB25SVN
PRM3BB35KNN
PRM3BB35KNS
PRM3BB35KVS
PRM3BB35SVN
PRM3PP07KNN
PRM3PP07KNS
PRM3PP07KVG
PRM3PP07KVN
PRM3PP07KVS
PRM3PP07SNN
PRM3PP07SNSY
PRM3PP07SVM
PRM3PP07SVN
PRM3PP17KNS
PRM3PP17KVG
PRM3PP17KVN
PRM3PP17KVNY
PRM3PP17KVSY
PRM3PP17SNM
PRM3PP17SVN
PRM3PP25KNG
PRM3PP25KNN
PRM3PP25KVN
PRM3PP25SNN
PRM3PP25SVN
PRM3PP25SVS
PRM3PP35KNN
PRM3PP35SVN
PRM6AP07KN
PRM6AP07KV
PRM6AP07SN
PRM6AP07SV
PRM6AP17KN
PRM6AP17SN
PRM6AP25KN
PRM6AP25KV
PRM6AP25SN
PRM6AP25SV
PRM6PA07KV
PRM6PA07LN
PRM6PA07LV
PRM6PA07SN
PRM6PA07SV
PRM6PA17KV
PRM6PA17KVSY
PRM6PA17LN
PRM6PA17SNS
PRM6PA17SV
PRM6PA25KN
PRM6PA25KV
PRM6PA25KVS
PRM6PA25NY
PRM6PA25SV
PRM6PA25SVS
SKPRM2-11
SKPRM2V
SKPRM3
P1E-6PRM
PRPM2PP10JV PRPM2PP10JV10
PRPM3PP20JV PRPM3PP20JV10
PRPM2PP20JV PRPM2PP20JV10
PRPM2PP02JV PRPM2PP02JV10
PRPM3PP10JV PRPM3PP10JV10
PRPM2BB10KV PRPM2BB10KV10
PRPM2PP35JV PRPM2PP35JV10
PRPM2BB20JV PRPM2BB20JV10
PRPM2AA20JV PRPM2AA20JV10
PRPM2PP20KV PRPM2PP20KV10
PRPM2AA10KV PRPM2AA10KV10
PRPM2PP10KV PRPM2PP10KV10
PRPM2AA10JV PRPM2AA10JV10
PRPM2PP35KV PRPM2PP35KV10
PRPM3PP10KV PRPM3PP10KV10
PRPM3PP35KV PRPM3PP35KV10
PRPM2AA35JV PRPM2AA35JV10
PRPM3AA20JV PRPM3AA20JV10
PRPM2BB20KV PRPM2BB20KV10
PRPM3PP20KV PRPM3PP20KV10
PRPM3PP10JVXG036 PRPM3PP10JV10XG036
PRPM2PP10JVXG035 PRPM2PP10JV10XG035
PRPM2AA35KV PRPM2AA35KV10
PRPM2AA20KV PRPM2AA20KV10
PRPM3AA20KV PRPM3AA20KV10
PRPM3BB20KV PRPM3BB20KV10
7321HBN4UV00N0C222P3
7321HBN4UV00N0H111C2
7321HBN4UZ01LFC1GLC2
7321HBN4UZ01LFC1GLP3
7321HBN4UZ01LFH1GLC2
7321HBN4UZ01LFH1GLP3
7321HBN4UZ01N0HZ10C2
7321HBN4UZ01N0HZ10P3
7321KBN2RES0
7321KBN2RES0N0C111P3
7321KBN2RES0N0C222P3
7321KBN2RE00
7321KBN2RE00N0L111P3
7321KBN2RN00
7321KBN2RN00A0JZ04C1
7321KBN2RN00A0J111P3
7321KBN2RN00N0C111B2
7321KBN2RN00N0C111C2
7321KBN2RN00N0C111C6
7321KBN2RN00N0C111P3
7321KBN2RN00N0C322C1
7321KBN2RN00N0C322C2
7321KBN2RN00N0D1D1C2
7321KBN2RN00N0D1D1P3
7321KBN2RN00N0D100B2
7321KBN2RN00N0D100C2
7321KBN2RN00N0D100P3
7321KBN2RN00N0D100Q3
7321KBN2RN00N0D300C2
7321KBN2RN00N0D400P3
7321KBN2RN00N0D400Q3
7321KBN2RN00N0H111P3
7321KBN2RN00N0L111C2
7321KBN2RN00N0L111P3
7321KBN2RN00N0S100P3
7321KBN2RN00N0T100P3
7321KBN2RN00PS
7321KBN2RV00N0C322C1
7321KBN2RV00PS
7321KBN3SE00
7321KBN3SE00N0C111C2
7321KBN3SNW0
7321KBN3SNW0A0J111B2
7321KBN3SNW0N0C111P3
7321KBN3SNW0N0C222P3
7321KBN3SNW0N0C322C2
7321KBN3SNW0N0D100C2
7321KBN3SNW0N0D300C2
7321KBN3SN00
7321KBN3SN00A0J111Q3
7321KBN3SN00A0J322C1
7321KBN3SN00A0J322C2
7321KBN3SN00LTL322C1
7321KBN3SN00M1G011C2
7321KBN3SN00N0C111B2
7321KBN3SN00N0C111C1
7321KBN3SN00N0C111C2
7321KBN3SN00N0C111P3
7321KBN3SN00N0C111Q3
7321KBN3SN00N0D1D1C2
7321KBN3SN00N0D1D1P3
7321KBN3SN00N0D1D2M5
7321KBN3SN00N0D100C2
7321KBN3SN00N0D100M5
7321KBN3SN00N0D100P3
7321KBN3SN00N0D300M5
7321KBN3SN00N0D400P3
7321KBN3SN00N0H111C2
7321KBN3SN00N0H111P3
7321KBN3SN00N0L111B2
7321KBN3SN00N0L111C1
7321KBN3SN00N0L111C2
7321KBN3SN00N0L111P3
7321KBN3SN00N0L111Q3
7321KBN3SN00N0L322C1
7321KBN3SN00PS
7321KBN3SV00
7321KBN3SV00N0L111P3
7321KBN4SES0
7321KBN4SES0N0C111P3
7321KBN4SE00
7321KBN4SE00N0C222P3
7321KBN4SE00N0C322C2
7321KBN4SNW0
7321KBN4SNW0A0J111B2
7321KBN4SNW0N0C111B2
7321KBN4SNW0N0C111C2
7321KBN4SNW0N0C111P3
7321KBN4SNW0N0C322C2
7321KBN4SNW0N0D100P3
7321KBN4SNW0N0L111B2
7321KBN4SNW0N0S300C1
7321KBN4SN00
7321KBN4SN00A0J111B2
7321KBN4SN00A0J111P3
7321KBN4SN00A0J222P3
7321KBN4SN00J0J111P3
7321KBN4SN00N0C111B2
7321KBN4SN00N0C111C1
7321KBN4SN00N0C111C2
7321KBN4SN00N0C111P3
7321KBN4SN00N0C111Q3
7321KBN4SN00N0C148P3
7321KBN4SN00N0C222C2
7321KBN4SN00N0C222P3
7321KBN4SN00N0C222Q3
7321KBN4SN00N0D1D1P3
7321KBN4SN00N0D1D2P3
7321KBN4SN00N0D100C2
7321KBN4SN00N0D100P3
7321KBN4SN00N0D300C2
7321KBN4SN00N0D400P3
7321KBN4SN00N0H111C2
7321KBN4SN00N0H111P3
7321KBN4SN00N0L111C1
7321KBN4SN00N0L111P3
7321KBN4SN00N0T100P0
7321KBN4SN00PS
7321KBN4SV00
7321KBN4SV00N0C111P3
7321KBN4SV00N0C222C2
7321KBN4SV00N0L111P3
7321KBN4SZ02N0D100P3
7321KBY61640
7321KBY61640A0J111P3
7321KBY61640L5D1D5P3
7321KBY61640L5D1D7P3
7321KBY61640N0C111P3
7321KBY61640N0D1DHP3
7321KBY61640N0D1D1P3
7321KBY61640N0D1D4P3
7321KBY61640N0D1D4Q3
7321KBY61640N0D100P3
7321KBY61640N0D100Q3
7321KBY61640N0D4DMP3
7321KBY61640N0D4DWP3
7321KBY61640N0D400P3
7321KBY61640N0D400Q3
7321KBY61640N0H111P3
7321KBY61640PS
7321KBY6320A
7321KBY6320AL4D400P3
7321KBY6320AL4D400Q3
7321KBY6320AL5D1D5P3
7321KBY6320AN0C111P3
7321KBY6320AN0D1DHP3
7321KBY6320AN0D1D4P3
7321KBY6320AN0D100P3
7321KBY6320AN0D4DMP3
7321KBY6320AN0D4DWP3
7321KBY6320AN0D400P3
7321KBY6320APS
7321KBY63200
7321KBY63200N0D100P3
7321KBY63200N0D2D4P3
7321KBY63200N0D400P3
7321KBY63200N0D400Q3
7321Z001
7321Z002
7321Z011N0C222C1
7321Z011N0C222C2
7321Z011N0C222P3
7321Z011N0C222Q3
7321Z013N0H111C1
7321Z014N0D4DMP3
7321Z014N0D4DWP3
7321Z015N0L322C1
7321Z016N0L322C1
7321Z016PS
7321Z017N0L111C1
7321Z017PS
73212BG2MN00
73212BG2MV00
73212BG3SN00
73212BG4TN00
73212BG52N00
73212BN2MNM0
73212BN2MNM0N0C111C2
73212BN2MNM0N0D1D1P3
73212BN2MNM0N0D1D2P3
73212BN2MN00
73212BN2MN00A0J111B2
73212BN2MN00G0J111P3
73212BN2MN00N0C111B2
73212BN2MN00N0C111C1
73212BN2MN00N0C111C2
73212BN2MN00N0C111P3
73212BN2MN00N0C111Q3
73212BN2MN00N0C148P3
73212BN2MN00N0C222C2
73212BN2MN00N0D1D1C2
73212BN2MN00N0D1D1P3
73212BN2MN00N0D1D2C1
73212BN2MN00N0D1D2C2
73212BN2MN00N0D1D2P3
73212BN2MN00N0D100C1
73212BN2MN00N0D100C2
73212BN2MN00N0D100P3
73212BN2MN00N0H111C1
73212BN2MN00N0H111C2
73212BN2MN00N0H111P3
73212BN2MN00N0LZ11C1
73212BN2MN00N0L111C1
73212BN2MN00N0L111C2
73212BN2MN00N0L111P3
73212BN2MN00N0L222C1
73212BN2MN00N0L222C2
73212BN2MN00N0T100C2
73212BN2MN00PS
73212BN2MV00
73212BN2MV00N0C111C1
73212BN2MV00N0C111C2
73212BN2MV00N0C111P3
73212BN2MV00N0C222C1
73212BN2MV00N0C222C2
73212BN2MV00N0D1DWC2
73212BN2MV00N0L111C1
73212BN2MV00N0L222C1
73212BN2MV00N0L222C2
73212BN2MV00N0L222P3
73212BN2MV00N0S200C2
73212BN2MV00PS
73212BN3MZ01N0LZ10C1
73212BN3SNM0
73212BN3SNM0N0C222P3
73212BN3SN00
73212BN3SN00A0J111P3
73212BN3SN00N0C111B2
73212BN3SN00N0C111C1
73212BN3SN00N0C111C2
73212BN3SN00N0C111P3
73212BN3SN00N0C111Q3
73212BN3SN00N0C222C1
73212BN3SN00N0D1D1C2
73212BN3SN00N0D1D2C1
73212BN3SN00N0D1D2C2
73212BN3SN00N0D1D2P3
73212BN3SN00N0D100C2
73212BN3SN00N0D100P3
73212BN3SN00N0HZ10C2
73212BN3SN00N0H111C1
73212BN3SN00N0H111C2
73212BN3SN00N0H111P3
73212BN3SN00N0L111C2
73212BN3SN00N0L111P3
73212BN3SN00N0T100C2
73212BN3SN00PS
73212BN4TNLVN0C322C2
73212BN4TNLVN0C3223N
73212BN4TNLVN0HZ09C2
73212BN4TNLVN0HZ11C2
73212BN4TNM0
73212BN4TNM0N0C111C2
73212BN4TNM0N0C111P3
73212BN4TNM0N0C222P3
73212BN4TNM0N0D100C2
73212BN4TN00
73212BN4TN00N0C111B2
73212BN4TN00N0C111C1
73212BN4TN00N0C111C2
73212BN4TN00N0C111C6
73212BN4TN00N0C111P3
73212BN4TN00N0C111Q3
73212BN4TN00N0C111Q8
73212BN4TN00N0C222C1
73212BN4TN00N0C222C2
73212BN4TN00N0C222P3
73212BN4TN00N0D1D1C2
73212BN4TN00N0D1D1P3
73212BN4TN00N0D1D2P3
73212BN4TN00N0D100C2
73212BN4TN00N0D100P3
73212BN4TN00N0D200P3
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3.泵維修后所產(chǎn)生的噪音
維修后的泵安裝使用后發(fā)出的噪音比沒有修理泵前還要大，發(fā)生這種情況原因有：
㈠泵吸口膠管發(fā)生硬化，在安裝泵時，泵的吸油側(cè)膠管被大幅度擺動后，使膠管與硬管相聯(lián)接處出現(xiàn)松脫泄漏空氣。
㈡另一種是裝配方法不當，雙連泵中前后（或左右）兩個缸體孔對稱，出現(xiàn)了諧振噪音。
㈢是更換的軸承出現(xiàn)游隙超標，泵的軸承都是特殊型號和高精度級別的（大承載力軸承），不可使用普通的軸承。
㈣是更換的零件有質(zhì)量問題，零件間配合的精度等級低下，產(chǎn)生運行頻率共振噪音。
㈤是缸體與配流盤之間的配對摩擦副弧面偏置，造成摩擦副間泄漏超量油液噪音。
㈥是斜軸泵的新配流盤與舊泵后蓋上變量滑動弧道偏置，造成配流盤背面高壓口處與泵后蓋間高壓區(qū)域內(nèi)的平面泄漏，出現(xiàn)氣損噪音。斜盤泵的新配流盤背面與舊泵后蓋壓緊區(qū)也會出現(xiàn)同樣故障與噪音。
4.PARKER派克液壓泵機械噪音
泵發(fā)出機械噪音主要部位有⑴泵主軸與發(fā)動機接手處損壞。⑵泵的軸承處。
如泵主軸與發(fā)動機的輸出軸不同心或頂死，彈性聯(lián)接器破損和聯(lián)接器塊上螺栓松動均會產(chǎn)生噪音。
如果是軸承損壞的聲音就會發(fā)出連續(xù)不斷的嘩嘩聲。隨著泵的轉(zhuǎn)速提高，噪音也跟隨著增大。軸承的損壞，泵會出現(xiàn)顫抖。
泵出現(xiàn)機械噪音是用人耳能聽出的，*的方法是在泵低速運行時，用工業(yè)聽診器或用貫通螺絲刀在泵的各部位診聽。
5.突發(fā)性的噪音
泵一但出現(xiàn)突發(fā)性的噪音，就必需立即將泵停止運轉(zhuǎn)，這種情況就是泵的零件已經(jīng)損壞。
斜軸泵的柱塞斷裂或是斜盤泵的柱塞滑靴脫落，回程盤碎裂。出現(xiàn)這種現(xiàn)象的噪音是伴隨著泵每轉(zhuǎn)一圈而響一次的連續(xù)不斷的響亮撞擊噪音。就像有人在泵體內(nèi)放鞭炮。同時伴有泵的P口壓力膠管有脈動現(xiàn)象。
一但出現(xiàn)突發(fā)性的噪音，zui關鍵的是不能讓液壓系統(tǒng)的壓力上升，因為泵殼內(nèi)的零件碎裂的金屬渣塊會伴隨壓力油進入系統(tǒng)中。泵出現(xiàn)突發(fā)性的噪音是可怕，它不只是泵的損壞，碎裂的金屬渣塊一但進入液壓系統(tǒng)中，是無法清除的，對液壓系統(tǒng)造成的終身危害。
二、PARKER派克液壓泵噪音常見問題及解決方法：
（1）油泵內(nèi)存有空氣。這個故障一般是在安裝了一臺新泵的時候出現(xiàn)，在開起一臺新泵時，應先向泵內(nèi)加入油液，對泵的軸承、柱塞與缸體起到潤滑作用。
處理方法：在泵運轉(zhuǎn)時打開油泵加油口，使泵內(nèi)的空氣從加油口排放出去。
（2）油箱的油面過低，吸油管堵塞使得泵吸油阻力變大造成泵吸空或進油管段有漏氣，泵吸入了空氣。
處理方法：按規(guī)定加足油液；清洗濾清器，疏通進氣管道；檢查并緊固進油管段的連接螺絲。
（3）油泵與電機安裝不當，也就是說泵軸與電機軸同心度不一致，使油泵軸承受徑向力產(chǎn)生噪聲。 處理方法：檢查調(diào)整油泵與電機安裝的同心度。
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