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| Brand Name : | Rexroth |
| Model Number : | A10V028DFR/31L-PSC12K01 A10VSO45DFR1/31R-PPA12N00 |
| Certification : | ISO |
| Price : | 2 |
| Payment Terms : | MoneyGram,Western Union,T/T,D/A,D/P,L/C |
| Supply Ability : | 100 |
| Delivery Time : | 1-3 weeks |
A10V028DFR/31L-PSC12K01 A10VSO45DFR1/31R-PPA12N00 Hydraulic piston pump excavator motor Rexroth hydraulic pump
| Rexroth A10VSO hydraulic pump |
| 1. What are the possible causes and solutions for insufficient or no oil output from the hydraulic pump? |
| • Reason: |
| Excessive resistance in the oil suction pipeline (such as clogged oil filter, low oil tank level, or air leakage in the inlet pipe). |
| Internal leakage of the pump (scratches on the oil distribution plate, poor sealing, sand holes, etc.). |
| The inclination angle of the inclined plate is too small and the displacement is insufficient. |
| Motor reversal (requires adjustment of phase sequence). |
| • Solution: |
| Clean the oil filter, add oil to the normal liquid level, and check the sealing of the pipeline. |
| Replace worn parts (such as plungers, oil distribution plates) or grind mating surfaces. |
| Adjust the variable piston to increase the inclination angle of the inclined plate. |
| 2. How to adjust if there is still traffic output at the median level? |
| Reason: Deviation, looseness, or wear of the control mechanism (such as wear of the inclined plate ear shaft). |
| Solution: Reset the controller, tighten or replace damaged parts, and check the angle holding force. |
| How to troubleshoot the high vibration and noise during pump operation? |
| • Mechanical reasons: |
| The pump and motor shaft are not concentric, the coupling is damaged, or the bolts are loose. |
| Wear of bearings or variable head bearings (dry friction or impurities in the oil during start-up). |
| • Hydraulic reasons: |
| The oil inlet pipe is too thin, the oil filter is clogged, or the oil viscosity is too high. |
| • Solution: |
| Reinstall and replace worn parts. |
| Select appropriate oil to ensure smooth fuel tank design and piping. |
| What are the causes and solutions for overheating of the pump body? |
| • Reason: |
| Mechanical friction (such as improper clearance between moving parts) or liquid friction (high-pressure oil leakage converted into thermal energy). |
| Filter blockage leads to excessive back pressure in the return oil. |
| • Solution: |
| Adjust the gap and increase the capacity of the cooler or fuel tank. |
| Clean or replace the filter. |
| How to solve the problem of oil leakage? |
| • Common oil leakage points: |
| Damaged spindle oil seal, internal leakage (high oil seal pressure), loose external pipeline or aging sealing gasket. |
| • Solution: |
| Replace the oil seal or defective shaft, check the size of the oil drain pipe, and tighten the joint. |
| What are the key points of daily maintenance? |
| • Oil management: |
| Maintain oil temperature at 25-60 ℃, cleanliness level ≥ 8, and regularly test oil quality. |
| • Regular inspection: |
| Conduct a comprehensive inspection of seals, filters, and mechanical components every 6 months. |
| After running for 3000 hours, it is necessary to check the status of the oil replenishment pump daily. |
| Before starting: Ensure that the pump is filled with oil to avoid dry friction. |
| How to adjust abnormal pressure (too high/too low)? |
| • Low pressure: Check for pipeline leaks, overflow valve faults, or cylinder block distribution plate leaks. |
| Excessive pressure: Adjust the overflow valve, check the directional valve or return oil pipeline. |
| ------ |
| precautions |
| Installation requirements: The concentricity between the pump shaft and the motor shaft should be less than 0.05mm, and the suction height should not exceed 500mm. |
| • Spare parts replacement: It is recommended to use original seals and wear-resistant components to ensure compatibility. |
| R900229831 A10VSO28DFLR/31R-PPA12N00 (18-1750) |
| R900228146 A10VSO28DFR/31L-PPA12K51 |
| R900228145 A10VSO28DFR/31R-PPA12K51 |
| R900056256 A10VSO28DFR/31R-PPA12K57 |
| R900525660 A10VSO28DFR1/31R-PPA12K02 |
| R900522401 A10VSO28DFR1/31R-PPA12N00 |
| R900570104 A10VSO28DFR1/31R-PSC62N00 |
| R900525648 A10VSO28DR/31R-PPA12K02 |
| R900573606 A10VSO28DR/31R-PPA12K25 |
| R900222446 A10VSO28DR/31R-PPA12N00 SO155 |
| R902411444 A10VSO28DRG+A10VSO18DRG+AZPF-016RRR20KB |
| R902427942 A10VSO71DRG/31R+A10VSO28DRG/31R |
| R910930837 A A10VSO 45 DFR /31R-PPA12K68 |
| R902426753 A10VSO 45 DRG /31R-PPA12K68 |
| R900904691 A10VSO45DFE1/3XR-PPA12K52-A10DR |
| R900554092 A10VSO45DFE1/3XR-PPA12KB3-A10DR-2002 |
| R900206047 A10VSO45DFLR/31R-PPA12K01 |
| R900570608 A10VSO45DFLR/31R-PPA12K02 |
| R900227994 A10VSO45DFLR/31R-PPA12N00 SO160 |
| R900241245 A10VSO45DFLR/31R-PPA12N00SO258(7,5-1500) |
| R900252037 A10VSO45DFLR/31R-VPA12N00SO258(7,5-1500) |
| R900033884 A10VSO45DFR/31R-PPA12K51 |
| R902411479 A10VSO45DFR/31R-PPA12KD3 |
| R902411475 A10VSO45DFR1/31R+A10VSO18DFR1/31R |
| R900525661 A10VSO45DFR1/31R-PPA12K02 |
| R900229775 A10VSO45DFR1/31R-PPA12K04 |
| R900227140 A10VSO45DFR1/31R-PPA12K68 |
| R900230304 A10VSO45DFR1/31R-PPA12L50 |
| R900226673 A10VSO45DFR1/31R-PSA12K02 SO126 |
| R900220378 A10VSO45DFR1/31R-PSA12N00 SO13 |
| R902419134 A10VSO45DR/31R+A10VSO18DR/31R |
| R900224129 A10VSO45DR/31R-PPA12K26 SO200 |
| R900031937 A10VSO45DR/31R-PPA12N00 SO108 |
| R900230786 A10VSO45DR/31R-PSA12C14 |
| R900571300 A10VSO45DRG/31R-VPA12N00 |
| R902411407 A A10VSO 71 DFR1/31R-PPA12X31 |
| R902426742 A10VSO 71 DFLR/31R-PPA12K02 SO385 |
| R900571430 A10VSO71DFE0/31R-PPA12N00 (A) |
| R900901276 A10VSO71DFE1/3XR-PPA12K52-A10DFR1-2011 |
| R900552872 A10VSO71DFE1/3XR-PPA12KB3-A10DR-2002 |
| R902411417 A10VSO71DFLR/31R+A10VSO71DFLR/31R |
| R900224261 A10VSO71DFLR/31R-PPA12N00 (18,5-1750) |
| R910075790 A10VSO71DFR + 1PF2G3-3X/038 |
| R900216412 A10VSO71DFR/31L-PPA12N00 |
| R900220486 A10VSO71DFR/31R-PPA12K27 |
| R902419050 A10VSO71DFR1 + 1PF2G2-4X/022 |
| R900302498 A10VSO71DFR1/31R-PPA12K01 -W3CS (RINA) |
| R900020891 A10VSO71DFR1/31R-PPA12K25 |
| R900571887 A10VSO71DFR1/31R-PPA12K27 |
| R902411514 A10VSO71DFR1/31R-PPA12KB3 SO127 |
| R900230411 A10VSO71DFR1/31R-PPA12N00 SO135 |
| R900573819 A10VSO71DFR1/31R-PPA12N00 SO169 |
| R900225180 A10VSO71DFR1/31R-PSA12K02 SO126 |
| R900220377 A10VSO71DFR1/31R-PSA12KB4 SO13 |
| R900216691 A10VSO71DR + G3-3X/026 |
| R900219977 A10VSO71DR/31L-PPA12N00 |
FAQ:
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Excavator Main Pump,Hydraulic Swing Motor,Final Drive,Stepper
Motor,Solenoid Sensor
4. why should you buy from us not from other suppliers?
We have important business in the overseas market due to our high
quality. Also,we can supply Various lapping machine, grinding
machine, thinning machine tool according to customers'
requirements! And lapping service is available!
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW；
Accepted Payment Currency:USD,EUR;
Accepted Payment Type: T/T,L/C,D/P D/A,PayPal,Western
Union,Cash,Escrow;
Language Spoken:English,Chinese,Spanish,Portuguese,Arabic
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