Bosch Rexroth 31 Series Instruction Manual page 25

After removal An uninstalled axial piston unit must be preserved with corrosion protection for the
duration of storage.
The following instructions only refer to axial piston units operated with
a mineral oil-based hydraulic fluid. Other hydraulic fluids require preservation
measures specifically designed for them. In such a case, consult your local
contact person; you can find their contact information under
www.boschrexroth.com/addresses
Bosch Rexroth recommends the following procedure:
1. Clean the axial piston unit; see chapter 10.1 "Cleaning and care" on page 47.
2. Drain the axial piston unit.
3. For storage times up to 12 months: Coat the inside of the axial piston unit with
mineral oil and fill with approx. 100 ml of mineral oil.
For storage times up to 24 months: Fill the axial piston unit with VCI 329
corrosion protection (20 mL).
Fill via the drain port l or l
Fig. 13 and Fig. 14 on page 38.
4. Seal all ports so they are airtight.
5. Coat unpainted areas of the axial piston unit with mineral oil or suitable, easily
removable corrosion protection, e.g. acid-free grease.
6. Package the axial piston unit with desiccant in corrosion protection film so it is
airtight.
7. Store the axial piston unit in a shock-proof manner; see "Requirements" on
page 24 in this chapter.
, see chapter 7.4 "Installing the axial piston unit",
1
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