BVA Hydraulics HNS105, Руководство по эксплуатации

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11
TROUBLE SHOOTING
PROBLEM P OSSIBLE CAUSE POSSIBLE SOLUTION
Cylinder does not hold pressure
1. Cylinder seal is leaking.
2. onnection
3. Pump malfunction
1. Change cylinder
2.
3.
Change pump
Cylinder does not advance or only
advances partially
1. Pump release valve is ope n
2.
3.
Air in hose lines
4. Couplers not tight
5. Pump reservoir too smal l
1. Close valve
2. to pump
3. Bleed air from hose line s
4. Tighten couplers
5. Change pump to one wit h
larger reservoir
Cylinder advances slowly
1.
2.
3.
Loose coupler
4.
1.
2.
Chan
3. Tighten couplers
4. Change pump to one wit h
Cylinder does not retract, retracts
slowly or retracts partially
1. Pump release valve closed
2. Coupler not fully closed
3.
4.
Damaged retraction spring
5.
1. Open valve
2. Close coupler
3.
4.
Replace spring
5.
Cutting chisel does not penetrate
the nut
1. Inadequate pump pressure
2. Incorrect spacer used
3. Cutting chisel edge dull
4. Housing not fully threaded
onto cylinder
1. Increase pump pressure t o
10,000 psi, MAX.
2. Change spacers
3. Sharpen or replace cutting
chisel
4. Thread housing fully on
cylinder as per assembly
instructions
Cutting chisel splits the nut and
damages the stud thread s
1. Incorrect spacer used
2. Housing threaded more than
necessary
1. Change spacer
2. Thread housing fully on
cylinder as per assembly
instructions
SFA Companies
10939 N. Pomona Ave. Kansas City, MO 64153
Tel: 888-332-6419
E-mail: sales@bvahydraulics.com