Greenlee / A Textron Company
7
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
HK520 Hydraulic Cable Cutter
Troubleshooting
Cutting blade does not advance.
Check balls are not properly seated.
Seat check ball (47) into induction
Ram advances but will not build
valve (48).
enough pressure to cut.
Hydraulic fluid level is low, or there is
Remove main handle (55) exposing
air in the system.
bladder (51). Remove plug (52). Fill
with oil and replace plug (52).
Blade does not retract after cut
Debris is caught between the moving
Unlatch the head. Press down on the
is completed.
blade and the cutter head.
release lever (31). Jog the head back
and forth to free the blade. If the blade
still doesn’t retract, spray the head and
moveable blade with a spray lubricant
and repeat.
Release lever (31) cannot be
Check ball will not unseat.
Place the tip of a screwdriver directly
depressed.
on the release valve stem (34) under
the release lever (31). Using the
screwdriver as a lever, pull up on the
screwdriver handle to depress the
release ball stem.
Blades do not cut cleanly.
Blades are dull.
See blade sharpening instructions and
diagrams.
Problem
Probable Cause
Possible Remedy