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Reversing &
Replacing Blades
Each blade has two cutting edges so that if one
cutting edge becomes dull, you can reverse the
blade and use the fresh, sharp cutting edge. Each
flat head cap screw is keyed to align with mount-
ing slots in the blades.
If both cutting edges are dull, re-sharpen the
blades on a surface grinder and make sure they
stay flat along their entire length. If the blade
becomes too thin and the cap screw heads extend
beyond the cutting edge, you will need to replace
it. If the blade is nicked or damaged, replace it.
IMPORTANT: ALWAYS check the blade gap after
installation if you reverse, sharpen, or replace the
blades (see Adjusting Blade Gap on Page 38).
Contact Grizzly at (800) 523-4777 or online at
grizzly.com to purchase Part No. P0845P034. We
recommend you keep an extra set of blades on
hand to minimize downtime.
The shear blades or hold-
down can easily pinch,
crush, or amputate fingers
or other body parts. Always
keep hands, fingers, and
other body parts away from
the blades and hold-down
during operation.
Reversing & Replacing Upper Blade
Items Needed
Hex Wrench 10mm ............................................ 1
Hex Wrench 4mm .............................................. 1
Wrench or Socket 36mm ................................... 1
Socket 25mm and 12" Extension .................1 Ea
Eye Bolts M10-1.5 .............................................. 2
Lifting Strap or Chain (Rated for 500 lbs.) ......... 1
Forklift ................................................................ 1
Mineral Spirits .................................... As Needed
Shop Rags ......................................... As Needed
Another Person .................................................. 1
1x4 and 2x4 Wood Blocks ............................1 Ea
Heavy Leather Gloves .............1 Pair Per Person
Model G0845P (Mfd. Since 01/18)
1.
DISCONNECT MACHINE FROM POWER!
2.
Remove upper blade cover and finger guard
(see Figure 59).
IMPORTANT: Note how the finger guard
engages blade guard limit switch. The shear
will not operate if the finger guard is removed
or does not engage the limit switch.
Upper
Blade
Cover
Figure 59. Upper blade cover and finger guard
3.
Remove two pressure-regulating hex bolts
on hold-down clamp (see Figure 60), then lift
out shaft and disc spring stack on each side.
IMPORTANT: DO NOT remove any disc
springs from shaft. Store the disc spring stack
in a safe location until re-installing the blade.
4.
Install (2) M10-1.5 eye bolts into top of hold-
down clamp where shown in Figure 60.
Qty
Figure 60. Hold-down clamp removal.
5.
Attach lifting strap or chain to eye bolts, then
lift hold-down clamp with forklift while assis-
tant guides it evenly out of blade guide slots.
Finger Guard
removal.
Eye Bolt Holes
Pressure-Regulating
Hex Bolts
ON
OFF
-41-
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