Page 4 Section 5
Maintenance
MSD SABER SERIES SHEARS
4.
Use the included Inspection Checklists during
shear inspections to make sure all maintenance is
complete.
5.
In extremely cold temperatures, work the shear
on lighter materials fi rst before working up to
heavier materials.
DO NOT
operate at temperatures
below -10º F (-23ºC).
6
. To get maximum life from the shear blades,
rotate to utilize all four edges.
7
.
DO NOT
enter the pivot group of the shear
without fi rst consulting your dealer or the Stanley
LaBounty Customer Service Department.
8.
The machined adjustment plates behind the
cutting blades in the lower shear have been custom
machined for each shear. If they should come loose,
be sure to replace them properly.
9.
ALWAYS
connect the welding ground cable
directly to the attachment component that you are
welding on.
DO NOT
allow ground current to run
through the pivot group, the rotation group, or the
hydraulic cylinder.
10.
DO NOT
weld guide blades, and/or the other
blades, into their blade seats. The guide blade is
needed for proper adjustment of the shear.
DO
NOT
allow excessive gap between guide blade and
Saber Tip.
11.
DO NO
T weld or hardsurface across the grain of
the steel at any time. When hardsurfacing, do not
exceed two passes of hardsurface rod.
12.
DO NOT
weld on the excavator boom or stick
without fi rst consulting the excavator manufacturer
for proper welding procedures.
13.
Rotate or replace the blades when edges have
rounded to approximately ¼" (6 mm) radius or after
80 hours, whichever comes fi rst.
14.
DO NOT
adjust the slide screws when the
upper shear is in either the full-open or full-closed
position. Be sure the slide screw will contact the
rear wear plate when adjusting. Lubricate the slide
screw assembly every eight hours of operation.
15.
DO NOT
weld on blades.
16.
Torque bolted connections as prescribed in this
manual.
17.
DO NOT
disconnect any hydraulic hoses or
fi ttings without fi rst relieving the excavator system
hydraulic pressure.
18. DO NOT
exert the weight of the excavator
on the shear in order to free the upper shear if it
becomes jammed. Please consult the factory.
MAINTENANCE SAFETY
PROCEDURES
• Inspect the shear daily.
DO NOT
operate a poorly
maintained or damaged shear or major structural
damage could result.
•
ALWAYS
lower the shear to the ground before
leaving the cab. If it is necessary to work on a shear
off the ground, securely support the base machine
and shear.
DO NOT
support the shear on cinder
blocks, hollow tiles, or props that may crumble
under continuous load.
DO NOT
rely on the cylinder
to hold the shear in the air. If a control is moved or
hydraulic pressure is otherwise released, the shear
will drop.
DO NOT
work under a machine that is
supported solely by a jack.
•
NEVER
operate the machine if an unsafe
condition exists. Attach a “DO NOT OPERATE” tag
to the machine.
• If more than one person is working on a machine,
each must be familiar with the controls and aware
of what the others are doing. Before working on a
machine,
BE SURE TO TAG THE CONTROLS SO
NO ONE ELSE WILL START IT.
•
ALWAYS
use two people when making checks
with the engine running.
• Keep hands away from moving parts.
NEVER
lubricate or work on a machine while it is moving.
•
ALWAYS
wear proper safety equipment when
maintaining the shear including safety glasses with
side shields, hard hat, steel toe shoes, gloves, and
hearing protection.
GENERAL RULES FOR
MAINTENANCE
1.
Read the maintenance manual. Be sure all
maintenance personnel read and understand all
maintenance procedures before they attempt them.
2.
Use factory approved parts. Use of parts that
are not factory approved may cause damage or
unnecessary downtime and may void the warranty.
3.
Lubricate every four hours; follow the lubrication
schedule as outlined on page 5-9.
During maintenance of the shear, it is imperative
that the excavator is turned OFF to prevent injury.
