| Customization: | Available |
|---|---|
| After-sales Service: | 1 Year |
| Warranty: | 1 Year |
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1. Perform the first oil change after approximately 150 hours.
2. Subsequent changes, every 1500 hours or annually, whichever occurs first.
NOTE: Flush the gear drive before filling with new oil.
Rexroth A6VM55 Rexroth A6VM80A10VO28DR/31R-PSC12K01 Germany Rexroth orginal Hydraulic pump
A11vlo75 A11vlo95 A11vlo145 A11vlo190 A11vlo260
Rexroth A10VO28 Axial Variable Piston Pump A10VO28DR/31R-PSC12K01 A10VO28
Rexroth plunger pump is widely used in high pressure, large flow, high power system and flow need adjustment occasions, such as planing machine, broaching machine, hydraulic press, engineering machinery such as widely used.
FINAL DRIVE REPAIR
THEORY OF OPERATIONThe final drive has an integral piston motor and a hydraulically released multiple disc brake. It is installed as a complete unit into the machine frame. The gear drive and hydraulic motor have independent oil reservoirs. Although the motor is integrated, servicing or replacing the motor can be done without removal of the drive gear. The final drive consists of three planetary stages. Each stage incorporates a set of matched planetary gears, which provide an equal load distribution. All torque transmitting components are made of forged, quenched and tempered high-alloy steels. External gears are carburized. Precision roller bearings are used exclusively. Two large, tapered roller bearings support the sprocket or wheel loads. A metal face seal protects the unit against contamination. The spring applied, hydraulically released, multiple disk brake is used as a safety brake. The brake is released when pressurized by hydraulic oil. The inner disks (30) are splined to the input coupler (3). The outer disks (29) are splined to the spindle (1). When the brake is not pressurized, both the inner and outer disks are compressed by a spring applied piston (25). When the brake is pressurized, the springs (31 and 32) are compressed between the piston (25) and back-up plate (26), this frees the multiple disks, which in turn, releases and opens the brake. |
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Remove the two motor bolts and the motor.
Secure a fixture*, as shown in the picture, to the drive. The bottom plate of the adjustable center screw compresses the brake back-up plate, until the snap ring is axially unloaded.
Free the snap ring, remove the fixture, and disassemble brake.
The piston releases easily by applying air pressure to the brake release port.
Follow reverse procedures for brake assembly.
*A simpler fixture would be the same crossbar with two additional tapped holes above the exposed area of the back-up plate. Secure the bar to the drive and use two bolts with sufficient length to compress the back-up plate evenly.
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