Enerpac L2206 Manual Del Usuario página 9

TROUBLESHOOTING
Problem
1. Cylinder will not
clamp/unclamp.
2. Cylinder advances part way.
3. Cylinder clamp/unclamps
slower than normal.
4. Cylinder clamps/unclamps
but will not hold pressure.
5. Cylinder leaks oil.
6. Clamp arm does not make
swing movement.
CLAMP ARM MACHINING SPECIFICATIONS (page 60)
The following information is intended to be used only as an aid in determining if a
problem exists. For repair service, contact your distributor or Authorized Enerpac
Service Center.
Possible Cause
A. Pump release valve open.
B. No oil in pump reservoir.
C. Air in system.
D. Spring broken in cylinder.
A. Oil level in pump too low.
B. Plunger binding.
A. Restricted hydraulic line.
B. Pump malfunction.
A. Seals damaged.
B. Pump malfunction.
A. Seals damaged.
B. Plunger worn or damaged.
A. Clamp arm loose.
B. Plunger damaged.
See Pressure and Flow Rate on page 8 to correctly measure the arm length. To deter-
mine the maximum clamping force on the arm, refer to Operating Specifications —
Maximum Flow Rate Chart on page 2.
A. Close pump release valve.
B. Fill pump reservoir.
C. Remove air from hydraulic system.
D. Replace spring.
A. Fill pump reservoir.
B. Replace damaged parts
— refer to Repair Parts Sheet
A. Check valves, fittings, and tubing.
B. Refer to pump Instruction Sheet
A. Replace seals
— refer to Repair Parts Sheet
B. Refer to pump Instruction Sheet
A. Replace seals
— refer to Repair Parts Sheet
B. Replace damaged parts.
— refer to Repair Parts Sheet
A. Reposition and retighten clamp arm
B. Replace damaged parts
— refer to Repair Parts Sheet
9
Solution