Stanley MSD 1000 Safety, Operation & Maintenance Manual page 108

CUTTING PERFORMANCE TROUBLESHOOTING GUIDE
continued
SYMPTOM
5. Does not shear material
6. Material jams
PROBABLE CAUSE
a. Wrong type of material for shear
size
b. Worn blades
c. Excessive blade gap
d. Hydraulic lines are kinked
e. Hydraulic pressure at shear is
too low
f. Excessive back pressure
g. Cylinder seal bypass
a. Excessive blade gap
b. Worn Saber tip
c. Dull blades
d. Blades not within LaBounty
specifi cations
MSD SABER SERIES SHEARS
REMEDY
i. Check material size and type then consult your
LaBounty dealer or factory
i. Rotate blades per maintenance manual instructions
i. Check blade gap and shim (refer to shimming proce-
dure)
ii. Replace with LaBounty approved blades
iii. Replace thrust washers
Always consult your LaBounty dealer before
entering the main pivot group.
i. Check the lines feeding oil to the shear, replace any
kinked lines.
i. Compare with excavator's specifi c operating pressure
ii. Check the shear cylinder
iii. Check the shear rotation manifold, if equipped
iv. Check the excavator hydraulic system
i. Check for kinked lines on the return side (rod)
ii. Check the size of the lines
iii. Check for restrictor valve in the circuit
iv. Check the return fi lter, replace if necessary
v. Check the control valve
i. Replace seal kit and inspect for any necessary repairs
to the cylinder
i. Add blade shims (refer to blade shimming in jaws
procedure)
ii. Replace worn blades
i. Either rotate or replace
i. Rotate blades
ii. Replace, if all four edges are dull, with LaBounty ap-
proved blades
i. Replace blades with LaBounty approved blades.
Troubleshooting
NOTE
Section 7 Page 3