Instruction Manual
Page 17
Do NOT open or disassemble any parts of the hydraulic system
when it’s pressurised!
9 Service manual
9.1 Troubleshooting list of most common malfunctions
Problem
Possible cause
Action
Extending
Cylinder extends too fast,
does not extend at all,
extends too slow or
extends in spurts
Side load due to
misalignment
between cylinder and
load
Check alignment of rod with load
Check if side load does not exceed
design variables.
Oil pressure in
system is too low
Add oil to hydraulic system
Check couplings and valves
Air trapped in system Remove air from system (read
§5.6)
System
contaminated
Check wiper. Protect piston rod
area from direct contact with
contaminator.
Clean and flush the entire hydraulic
system.
When cylinder is contaminated the
cylinder must be cleaned and
resealed
Cylinder piston
binding
Check filters and connections.
Cylinder piston
binding
Have equipment serviced by an
authorised EATON service centre.
Inside diameter of
the hose is too small.
Use a hydraulic hose with a wider
inside diameter. Contact Eaton for
spare parts.
Oil flow to cylinder is
blocked
Check couplings and valves are
correctly connected, fully tightened
and valves are functioning properly.
Pressure
Cylinder extends and
retracts but does not hold
pressure
Leaking oil
connection
Check that all connections are
correctly connected and fully
tightened
Leaking seals
Check piston rod for damages that
could damage the piston rod seals.
Locate leaks and have equipment
serviced by an authorised EATON
service centre.
No cause can be
found or no technical
knowledge available
to correct problem.
Have equipment serviced by an
authorised EATON service centre
Содержание Hydrowa
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Страница 12: ...Instruction manual Specialized in Custom Built hydraulic cylinders Hydrowa cylinders Release 8 October 2011 ...
Страница 15: ...Instruction Manual Page 3 1 Type code cylinder 1 HYPOS is an integrated stroke measuring system ...
Страница 32: ...Instruction Manual Page 20 Appendix A Maintenance Inspection log ...
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