Stanley MSD 1000 Safety, Operation & Maintenance Manual page 55

GUIDE BLADE SHIMMING AND ROTATION
5. To shim the blade, loosen the guide blade bolts and move the guide blade out far enough to slide the
shims between the blade seat and the guide blade. If all fi ve shims are installed and the gap still exceeds
0.030" (0.76 mm), it will be necessary to rotate or replace the guide blade.
6. The guide blade can be rotated once so the whole face of the blade can be used to increase its life. When
it is time to rotate the blade, remove it and turn it end for end, and place it back in its seat. The same face
should be used for the entire life of the blade. Use the steps above to shim the guide blade to the correct
gap. When the whole face of the blade is worn and it cannot be shimmed anymore, it is time to replace it
with a new one.
7. If a gap greater than 0.030" (0.76 mm) still exists with a new guide blade and a full set of shims, the Saber
Tip will need to be replaced. Refer to Cutting Blade Rotation in this section.
Always wear proper safety equipment when doing blade maintenance. This includes eye protection,
hard hat, steel toe shoes, work gloves and hearing protection. Wear an approved respirator when
grinding.
CUTTING BLADE ROTATION PROCEDURES
Proper rotation and adjustment of the cutting blades is very important for the best shear performance and
longer shear life. It is recommended that the blades be rotated after every 80 hours of use. Regular blade
rotation keeps the blades and blade gaps uniform, which allows the blades to be shimmed properly. Regular
blade maintenance is especially important when processing thinner materials. It may be necessary to rotate
and adjust the cutting blades more often when processing thin or non-ferrous materials. Frequent rotation
and adjustment of the cutting blades is not as critical when processing larger materials, but it will extend the
life of the blades. Use the following instructions to properly rotate the cutting blades:
1. Use the Blade Removal instructions from this section to remove the upper shear blades. Take care to keep
track of all parts and their positions as you remove them. This will be important when reinstalling.
2. Once the blades are removed, use a small grinder to clean up the edges. Remove sharp burrs and smooth
out deformations. Clean out the blade seats in the same way, removing any debris or burrs.
NOTICE
For optimal Saber Tip performance, and to assure that two fl at surfaces are torqued together, the upper
secondary blade should always be new at each blade position change. To accomplish this, do the following:
Use fi rst edge of new shear (all blades new), rotate all blades end-for-end in original location. Use second
edge and then discard lower primary blade. Move upper secondary blade to lower primary position and
install new blade in the upper secondary position. Swap positions of the upper primary and lower secondary.
Continue this sequence, discarding the lower primary and installing a new upper secondary at each blade
position swap. This results in an optimal Saber Tip performance at the one time cost of an additional upper
secondary blade (after two edges are used). See Figures 5-9 and 5-10 on page 5-18.
MSD SABER SERIES SHEARS
continued
Maintenance Section 5 Page 17