Transport and storage 23/56
RE 93221-01-B/07.2013, A22VG Series 40, Bosch Rexroth AG
If a removed axial piston unit is to be stored, it must be preserved against corrosion
for the duration of storage.
The following instructions only refer to axial piston units which are operated with
a mineral-oil based hydraulic fluid. Other hydraulic fluids require preservation
methods that are specifically designed for them. In such cases, consult with
Bosch Rexroth Service, see chapter 10.5 “Spare parts” on page45.
Bosch Rexroth recommends the following procedure:
1. Clean the axial piston unit, see chapter10.1 “Cleaning and care” on page43.
2. Empty the axial piston unit.
3. For storage time up to 12 months: Moisten the inside of the axial piston unit with
mineral oil and fill with approx. 100 ml mineral oil.
For storage time up to 24 months: Fill the axial piston unit with corrosion
protection medium VCI 329 (20 ml).
Filling is performed via the reservoir port T, see chapter7.4 “Installing the axial
piston unit”, Fig. 13 and 14 on page35.
4. Seal all ports airproof.
5. Moisten the unpainted surfaces of the axial piston unit with mineral oil or a
suitable, easily removed corrosion protection agent, e.g. acid-free grease.
6. Package the axial piston unit airproof together with desiccant in corrosion
protection film.
7. Store the axial piston unit so that it is protected against jolts, see “Requirement”
on page 22 in this chapter.
After removal
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