Product Paramenters

Item No.	Name & Description	QTY (pcs)	Remark
1	A4VG125 DRIVE SHAFT	1	SHAFT
2	A4VG125 SLIDING BEARING	2	SADDLE BEARING
3	A4VG125 PISTON SHOE	9	PISTONS
4	A4VG125 CYLINDER BLOCK	1	BARREL
5	A4VG125 COIL SPRING	1
6	A4VG125 VALVE PLATE	1	PORT PLATE
7	A4VG125 SWASH PLATE	1	CRADLE
8	A4VG125 RETAINER PLATE	1	SET PLATE
9	A4VG125 BALL GUIDE	1
10	A4VG125 DISK SPRING	4
11	A4VG125 SPACER	2

Maintainance

It is very important to maintain the Rexroth hydraulic pump to ensure its normal operation and extend its service life. Here are some maintenance suggestions:

Regular inspection
Oil level check:
Check the hydraulic oil level regularly to ensure it is within the normal range.
Oil quality check:
Check the color, odor and impurities of the hydraulic oil and replace it if necessary.
Filter check:
Check and replace the hydraulic oil filter regularly to ensure that the oil circuit is unobstructed.
Cleaning and maintenance
External cleaning:
Clean the pump body and pipeline regularly to prevent dust and impurities from entering the system.
Seal inspection:
Check whether the seal is aged or damaged and replace it in time.
Hydraulic oil replacement
Replace the hydraulic oil according to the recommended cycle in the instruction manual, usually every 1000-2000 hours or once a year.
Lubriion
Ensure that all moving parts are well lubried and use appropriate lubricants.
Operation check
Working sound:
After starting the hydraulic pump, pay attention to whether there are any abnormal sounds, such as abnormal noises, vibrations, etc.
Pressure check:
Use a pressure gauge to monitor the output pressure of the pump to ensure that it is within the specified range.
Troubleshooting
Record and analyze any fault phenomena and consult professionals if necessary.
Notes
Always follow the maintenance manual and recommendations provided by the manufacturer.
Before performing any maintenance operations, ensure that the equipment is shut down and powered off.

About Xinfeng Machinery (XF) parts:

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About Xinfeng Machinery (XF) parts:

Xinfeng Machinery Parts Company was established in 1998. It is a professional team composed of high-quality technical personnel integrating production, maintenance, sales, and service. It is committed to providing customers with high-quality and efficient services. It is headquartered in Guangzhou, China.

We have been engaged in the excavator industry for 25 years. We sell original used parts, rebuilt parts,original new parts, and OEM new parts for many types.We can provide many types for you to choose from. We can provide a quality-trusted full range of hydraulic pumps, travel motors, final drives, main control valves, swing motors, and engines for KOMATSU, , HITACHI, JOHN DEERE, VOLVO, CASE JCB, KOBELCO, NEW HOLLAND, SUMITOMO, KATO, BOB, DOOSAN, and HYUNDAI.

We provide a customer satisfaction guarantee on all our products. We have invested in providing only the highest-quality replacement parts to our customers. Develop a more broad business space together based on long-term, friendly, mutually beneficial, and win-win business relations.