Parker OLAER IBV Series Repair Instructions

Bladder accumulator series IBV / EBV
Repair instructions
Dismantling the accumulator
 Disconnect and close the accumulator
inlet and discharge the hydraulic fluid
from the accumulator.
 Remove the accumulator from its
mounting and lay it horizontally in a
vice or other fixation system. Take care
not to damage the accumulator.
 Unscrew
the protective
necessary remove the lead seal from
the protective cap(s).
 Deflate the bladder using Parker Olaer
tester and pressurize instrument
Operate the tester and pressurize
instrument as described in its manual.
 Unscrew the gas inlet valve
 Release the gas inlet valve sub-
assembly nut and remove the name
plate (Fig. 3) .
 Unscrew the flange or reduction from
the hydraulic fluid end. Dismantle the
venting screw (not used with every
model). Take care on the seal.
 With the accumulator completely free
of pressure (gas and fluid), a loose fit
of the grid has to be detected
 If this is not the case all further work
has to be stopped!
Parker Olaer (Fig. 4).
 Remove the spring ring
 Remove the grid
(Fig. 6).
 Remove the bladder through the fluid
end opening (Fig. 7).
Cleaning, inspection and repairs
 Carefully
clean all
accumulator and dry with compressed air.
 Inspect the vessel from any internal damage.
 Check that the bladder has no sign of wear of
major frictional wear or other damage.
Tel.: +49 2131 4016-0
Fig. 1
cap(s). If
Fig. 3
(Fig. 1) .
(Fig. 2).
Fig. 5
Fig. 7
Please contact
(Fig. 5).
metallic parts of the
© Parker Hannifin GmbH
Fax: +49 2131 4016-9199
 Under no circumstances attempt to repair the
bladder.
 Replace all worm or damaged parts.
Pat-Parker-Platz 1 41564 Kaarst
E-Mail: parker.germany@parker.com Web: www.olaer.de
doc 6.140
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Fig. 2
Fig. 4
Fig. 6
Stand 06/14