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36/60 Installation
Bosch Rexroth AG, RE 92100-01-B/09.2012 Series 10, 11 and 30,
Observe the following notes when routing the suction, boost, pressure and reservoir
lines.
t Lines and hoses must be installed without pre-charge pressure, so that no further
mechanical forces are applied during operation that will reduce the service life of
the axial piston unit and, if applicable, the entire machine/system.
t Use suitable seals as sealing material.
t Suction line (pipe or hose)
– The suction line should be as short and straight as possible.
– Measure the line cross section of the suction line so that the pressure at the
suction port does not drop below the minimum permissible pressure. Make sure
that the maximum suction pressure is not exceeded (e.g. when pre-filling).
– Make sure the connections and connecting elements are air-tight.
– The hose must be pressure-resistant, also for external air pressure.
t Pressure/boost line
– For the pressure/boost line lines, use only pipes, hoses and connecting elements
rated for the operating pressure range specified in data sheet RE 92100
(see Table 10).
t Drain line
– Always route the reservoir lines so that the case is constantly filled with hydraulic
fluid and to ensure that no air gets through the shaft seal even during extended
standstill periods.
– The case internal pressure must not exceed the limit values listed for the axial
piston unit in the data sheet under any operating conditions.
– The reservoir line joint in the reservoir must always be below the minimum fluid
level under all conditions (see chapter7.3 "Installation position" on page28).
t If the axial piston unit is equipped with installed screw fittings, these must not be
unscrewed. Screw the threaded plug of the fitting directly into the installed screw
fitting.
Axial piston units are employed in regions using the metric measuring system, in
regions using the Anglo-American (imperial) measuring system and in regions using
the Japanese measuring system (JIS –
Japan Industrial Standard). Moreover, various
kinds of seal are used.
The system of units, the kind of seal and the size of female thread and threaded
plugs (e.g. locking screw) must all match.
Due to the limited options for visually detecting differences, there is a risk of
mix-ups.
Notes on routing the lines
Risk of mix-ups with
threaded connections
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