Name: A10VO71DR31LPKC62N00A10VSO71DRG31RPPA12N00 A10VSO45DR31RPPA12N00A10VO100EP1ED53RVRC12K07L10VSO100DFLR31RPPA12N00Rexroth German Mechanical Piston Pump
Brand: Rexroth
Price: 1 USD

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Brand Name :Rexroth

Model Number :A10VO71DR/31L-PKC62N00A10VSO71DRG/31R-PPA12N00 A10VSO45DR/31R-PPA12N00A10VO100EP1ED/53R-VRC12K07L10VSO100DFLR/31R-PPA12N00

Certification :ISO

Place of Origin :Germany

MOQ :1

Price :1

Payment Terms :L/C, D/A, D/P, T/T, Western Union, MoneyGram

Supply Ability :100

Delivery Time :2weeks

Packaging Details :wooden box

Transportation :Sea freight/air Freight

Sizes :H:58mm D:20mm

Drive Type :Internal Combustion Drive

Payment Items :Bank transfer/Western Union

Material :Metal

Local Service Loion :None

Machinery Test Report :Not Available

Product Name :Suction Control Valve

Available :In stock

Specification :Wooden Box

Appliion :Excavator

Usage :Excavator spare parts

Spare Parts Condition :Brand new

Advantage :Long Life

Item Type :Rotary Solenoid Valve

Packing :Neutral Packing

Payment Term :TT.western Union.trade Assurance.Alipay

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A10VO71DR/31L-PKC62N00A10VSO71DRG/31R-PPA12N00 A10VSO45DR/31R-PPA12N00A10VO100EP1ED/53R-VRC12K07L10VSO100DFLR/31R-PPA12N00Rexroth German Mechanical Piston Pump

hydraulic system	high pressure	electric	cast iron	construction machinery
hydraulic oil	variable	vertical	Rexroth	plunger pump	hydraulic
Edge standing	wooden box	nationwide	pipeline pump	Edge standing	plunger pump
Used in the mechanical industry

A10V A10VSO45DFLR/31R-PPA12N00

SO45DFR1/31R-PPA12

A10VSO45DFR1/31R-PPA12N00-S1648

A10VSO45DFR1/31R-PPA12N00

A10VSO45DR/31R-PPA12

A10VSO45DR/31R-PPA12N00

A10VSO71 DFLR/31R-PPA12N00

A10VSO71/DFR1/31R-PPA12N00

A10VSO71DFR/31R-PPA12KB3

A10VSO71DFR1/31R-PPA12N00

A10VSO71DFR1/31R-VPA12N00

A10VSO71DFR1/32R-VP22U99S2184

A10VSO71DFR1/32R-VPB22U99

A10VSO71DR/31R-PPA12

A10VSO71DR/31R-PPA12N00

A10VSO71DRS/32R-VPB22U99

A10VSO100 DFLR/31R-PPA12N00

A10VSO100DFR1/31R-VPA12N00

A10VSO100DR/32R-VPB12N00

A10VSO100DRS/32R-VPB12N00

A10VSO100DRS/32R-VPB12N00-S1439

A10VSO100DFR1/31R-PPA12N00

A10VSO100DR/31R-PPA12N00

FAQ;

5. Fault Diagnosis & Troubleshooting

Q1: The A10VSO pump has no output flow. What are the possible causes and solutions?

Cause	Solution
Motor rotation direction is reversed	Swap two phases of the motor power supply to correct rotation direction.
Swashplate angle is 0° (no displacement)	For DR control: Adjust the handwheel/lever to increase the swashplate angle. For EP control: Check if the electrical signal (0-10V/4-20mA) is normal.
Suction line is blocked/leaking	Clean or replace the suction filter; repair leaks in the suction line.
Oil level in the tank is too low	Add hydraulic oil to the recommended level (between the tank’s upper/lower marks).
Internal wear (e.g., piston/cylinder block)	Overhaul the pump; replace worn parts (pistons, cylinder block, valve plate).

Q2: The pump makes abnormal noise (e.g., whistling, knocking). How to fix it?

Noise Type	Possible Cause	Solution
Whistling	Cavitation (air in the suction line)	Check for suction line leaks; ensure oil level is sufficient; clean the suction filter.
Knocking	Shaft misalignment or coupling damage	Realign the pump and motor shafts; replace the damaged coupling.
Grinding	Bearing wear or foreign debris in the pump	Disassemble the pump; replace worn bearings; flush internal passages to remove debris.
Vibrating noise	Loose mounting bolts or swashplate jamming	Tighten mounting bolts to the specified torque; inspect the swashplate for jamming (clean or replace if needed).

Q3: The pump’s oil temperature is abnormally high (above 80°C). What should I do?

Cause	Solution
Insufficient oil flow in the cooling system	Check the cooler fan/pump; clean the cooler’s heat exchanger (remove dirt buildup).
Hydraulic oil viscosity is too high	Replace with oil of the correct viscosity (15–40 mm²/s at 40°C).
Internal leakage (e.g., worn valve plate)	Overhaul the pump; replace the valve plate and piston seals.
System pressure is too high (overloaded)	Reduce the system load; check if the relief valve is stuck open.

6. Safety & Warranty

Q1: What safety precautions should be followed when working with the A10VSO pump?

Lockout/Tagout (LOTO): Before disassembling the pump, turn off the motor and relieve system pressure (open the relief valve) to avoid accidental startup or oil spray.
Pressure testing: Never exceed the pump’s peak pressure (350 bar) during testing; use a pressure gauge with a range ≥ 400 bar to monitor pressure.
Protective gear: Wear safety glasses, gloves, and oil-resistant boots when handling hydraulic oil (prevents skin irritation and eye injury).
No modifications: Do not modify the pump’s housing, swashplate, or control mechanism (voids the warranty and may cause catastrophic failure).

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