Enerpac BRC-106 - Manual (Page 3)

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