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3. Removethesixhexlocknutsandflatwashers
fromthehousingweldboltsusinga1/2"wrench.
Separatethechipper-shredderintotwohalves.
4. Removethesupportplate.
NOTE: When reassembling, make certain the
embossed tab faces inward towards the impeller.
5. Remove the two hand knobs and cupped
washers which secure the discharge chute.
Raise the discharge chute.
6. Insert a 1/2" or 3/4" diameter pipe through the
flail screen into the impeller to keep it from
turning, or remove the flail screen and insert a
piece of wood (2 x 4) into the chute opening.
7. Remove the two outside screws on the blade,
using a 3/16" allen wrench and a 1/2" wrench.
8. Remove the blade by removing the center bolt,
lock washer and flat washer.
,_ WARNING" Use caution when removing
the blade to avoid contacting the weld bolts
on the housing.
g,
When sharpening the blade, follow the original
angle of grind as a guide. It is extremely
important that each cutting edge receives an
equal amount of grinding to prevent an
unbalanced blade.
10. An unbalanced blade will cause excessive
vibration when rotating at high speeds and may
cause damage to the unit. The blade can be tested
for balance by balancing it on a round shaft
screwdriver or nail. Remove metal from the heavy
side until it is balanced evenly. See Figure 12.
11. When reassembling the blade, tighten center
bolt to between 550 and 700 inch-pounds and
the two outer bolts to between 250 and 350
inch-pounds, or lacking torque wrench, tighten
securely. See Figure 11.
SECTION 8: OFF-SEASON
STORAGE
Prepare your chipper-shredder for storage at the end
of the season or if the unit will not be used for 30
days or more. The following steps should be taken
to prepare your shredder for storage.
1. Clean and lubricate the shredder thoroughly.
2. Refer to engine manual for correct engine
storage instructions.
3. If storing an unventilated or metal storage shed,
coat metal parts with a light oil or silicone to
prevent rust.
4. Store in a cool dry place. Do not store next to
corrosive materials such as fertilizer.
1.Insert screw driver through hole
d/
2. Blade should beparallel to ground
Screw
Driver_, Blade
_/ o- o __
Ground
Figure 12
12
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