Mannesmann Rexroth A10VO 25 DFR - User Manual

Reparaturanleitung - A10VO 25 DFR Baureihe 52
A10VNO 41-85 DFR Baureihe 52
Repair instructions - A10VO 25 DFR Series 52
A10VNO 41-85 DFR Series 52
RDE 92703-02-R/12.00

Summary

Hydraulic Pump Sectional View

General Hydraulic Pump Repair Guidelines

Hydraulic Pump Drive Shaft Sealing

Hydraulic Pump Control Valve Sealing and Cleaning

Hydraulic Pump Disassembly Procedure

Hydraulic Pump Rotary Group Removal

Hydraulic Pump Control Device Removal

Hydraulic Pump Shaft and Bearing Removal

Hydraulic Pump Inspection and Checks

Shaft, Spline, and Component Wear Checks

Check shaft splines, seals, bearing seats, and cylinder bores for wear and damage.

Sliding Surface and Piston Rod Movement Checks

Inspect sliding surfaces for grooves and check piston rod movement for freedom.

Bearing Surface and Retaining Plate Checks

Inspect bearing surfaces, retaining plate, and slipper pad area for wear.

Hydraulic Pump Assembly Procedure

Taper Roller Bearing Preload Adjustment

Control Valve Guidelines for DR;DFR;DFR 1 Variants

Required Tools and Tightening Torques

Mannesmann Rexroth A10VO 25 DFR Specifications