Bleeding The Cylinder - Peri VARIOKIT VBC Assembly Instructions Manual

A5 Maintenance

Bleeding the cylinder

Before starting the bleeding procedure,
all hydraulic cylinders must be com-
pletely retracted.
→ If not: connect the hoses to the cylin-
der, retract the cylinder completely
and then flush the hoses again (see
"Flushing and venting the hoses" on
page 27).
When all cylinders are fully retracted,
the hydraulic oil level must be at maxi-
mum before bleeding (and filling, if nec-
essary) the cylinders.
1. Position the cylinder horizontally with
the connections facing upwards, and
secure against rolling away.
2. Couple the hydraulic hoses to create
a short-circuit connection, and rinse.
See "Flushing and venting the hos-
es" on page 27 .
3. Connect the hydraulic hoses to the
unit and cylinder.
4. Start the hydraulic unit, operate the
hand valve and extend the cylinder
completely.
⇒ The air pockets on the rod side are
displaced.
5. Switch off the hydraulic unit, briefly
operate the hand valve and relieve
the pressure in the hose.
6. Remove hydraulic hoses from the
cylinder, couple to create a short-cir-
cuit connection, and rinse. See
"Flushing and venting the hoses" on
page 27 .
28
1. – 2.
3.
4.
6.
Fig. A.07
VBC Balanced Cantilever Hydraulic System – Hydraulic System and Standard Cycle
Assembly Instructions