Troubleshooting - Enerpac BRC-25 Manual De Instrucciones

5.0 INSTALLATION
1. Make hydraulic connections. Use a pump with a release valve
or a 3-way valve and one hose. Fully hand-tighten all couplers.
Loose coupler connections will block the flow of oil between
the pump and the cylinder.
2. Remove air from the cylinder by positioning the cylinder so
that the plunger is pointed down and the cylinder is lower than
the pump. Fully retract and extend the cylinder 2 or 3 times.
6.0 OPERATION
WARNING: DO NOT HANDLE PRESSURIZED
HOSES. Escaping oil under pressure can
penetrate the skin,,causing serious injury. If
oil is injected under the, skin, see a doctor immediately.
Operate the hydraulic pump to retract and extend the cylinder. The
speed of extension is affected by the length of the hose and other
restrictions in the line.
Problem
Cylinder does not retract,
retracts part way, or retracts
in spurts.
Cylinder retract but will not
hold.
Cylinder leaks oil.
Cylinder will not extend or
extends slower than normal.
7.0 MAINTENANCE
1.
2.
3.

8.0 TROUBLESHOOTING

These cylinders should be repaired only by Authorized Enerpac
Technical Service Centers.
Possible Cause
Pump release valve is open.
Coupler not fully tightened.
Oil level in the pump is low.
Pump is malfunctioning.
Load is too heavy.
Cylinder plunger binding.
Air in the hydraulic system.
Cylinder seals leaking.
Pump is malfunctioning.
Leaking connections.
Worn or damaged seals.
Internal cylinder damage.
Leaking connections.
Pump release valve is closed.
Coupler not fully tightened.
Pump reservoir is over-filled.
Hose I.D. too narrow.
Internal cylinder damage.
3
Use only Enerpac oil with these cylinders. The use of any
other oil may invalidate your warranty.
Use dust caps when cylinders are disconnected from the
hose. Keep entire cylinder clean to prolong cylinder life.
Store cylinders up-right to prevent seal distortion.
CAUTION:These cylinders are spring loaded and
require special disassembly techniques to prevent
personal injury.
Solution
Close pump release valve.
Check that all couplers are fully tightened.
Add oil according to the instructions supplied
with the pumps.
Have pump serviced by a qualified hydraulic
technician.
Do not attempt to pull a load that exceeds rated
tonnage.
Check for damage to the cylinder. Have cylinder
serviced by a qualified hydraulic technician.
Remove air according to the instructions (Section
5, No. 2).
Locate leaks and have cylinder serviced by a
qualified hydraulic technician.
Have pump serviced by a qualified hydraulic
technician.
Check that all connections are tight and leak free.
Have cylinder serviced by a qualified hydraulic
technician.
Have cylinder serviced by a qualified hydraulic
technician.
Check that all connections are tight and leak free.
Open pump release valve.
Check that all couplers are fully tightened.
Drain oil level to full mark. See instructions
supplied with the pump.
Use larger diameter hydraulic hose.
Have cylinder serviced by a qualified hydraulic
technician.