42/68 Installation
Bosch Rexroth AG, A20V(L)O Series 1, RE 93100-01-B/2019-09-10
– The case pressure must never exceed thelimit values specified for theaxial
piston unit inthe data sheet.
– The drain line inflow inthe reservoir should always bebelow theminimum fluid
level (see chapter 7.3 "Installation position" onpage 29).
• If theaxial piston unit isequipped with installed screw fittings, do not remove
them. Screw thestud end ofthefitting directly into theinstalled fitting.
Axial piston units are used inapplication areas that use themetric system aswell
astheAnglo-American (imperial) and theJapanese measuring system (JIS – Japan
Industrial Standard). Various kinds ofseals are also used.
The system ofunits, thekind ofseal and thesize offemale thread and stud ends
(e.g. threaded plug) must all match.
There isarisk ofconfusion due tothe limited ways ofvisually telling them apart.
WARNING! Leaky andbursting stud ends!
For fittings, ifastud end that does not match thesystem ofunits, kind ofseal and
size ofthefemale thread ispressurized, thestud end may loosen itself oreven
beejected from thehole inaprojectile-like manner. This can result inserious injury
and property damage. Hydraulic fluid can escape from this leakage point.
▶ Use thedrawings (installation drawing) todetermine therequired stud end for
each fitting.
▶ Make sure theright fittings, mounting bolts and threaded plugs are installed.
▶ For all female threads, use astud end from thesame system ofunits and
ofthecorrect size.
Risk ofconfusion with
threaded connections