Maintenance, Lubrication – Sears 247-650A User Manual
Page 4
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FIGURE 4. FEEDING MATERIAL INTO GUIDE
EXTENSION
A steady flow of material provides the best
results. Bulky material, such as stalks or heavy
branches, should be fed into the upper guide
extension. See figure 5.
UPPER GUIDE EXTENSION
FIGURE 5. FEEDING MATERIAL INTO UPPER
GUIDE
It is possible to feed too fast and you will find it
will take some experimenting with feeding rates to
get the most out of your shredder without stalling
the engine.
Under certain conditions, it may be necessary to
push the materials into the inlet guide assembly.
When this becomes necessary, use a small
diameter stick—NOT YOUR HANDS. The stick
should be of a size that will be ground up if it gets
into the impeller assembly.
The discharge chute will direct the shredded
material into a pile or a container.
NOTE
Your shredder is equipped with a ny
lon bag with drawstring lock. This
will accommodate a perforated dis
posable plastic bag.
A
CAUTION
Keep clear of the chute area since
the shredded material comes out
with considerable velocity. Always
stop engine and disconnect spark
plug wire when changing bags.
MAINTENANCE
A
____^CAUTION
Always stop engine and disconnect
spark plug wire before doing any
maintenance.
Cutting Blade—The blade may easily be removed
for grinding or replacement as follows:
1. Remove guide extension assembly by remov
ing four elastic locknuts (Ref. No. 11). See
page 10.
2. Remove bolt (Ref. No. 38), lockwasher (Ref.
No. 37), flat washer (Ref. No. 36) holding
blade (Ref. No. 45) and blade retainer (Ref.
No. 48) to engine crankshaft. See page 10.
3.
NOTE: Blade is reversible and can be
assembled to crankshaft with either side
showing.
When sharpening 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. An
unbalanced blade will cause excessive vibration
when rotating at high speeds and may cause
damage to the unit. Upon reassembly, make
certain all parts are assembled properly and
tightened securely.
LUBRICATION
WHEELS—Wheel bearings are of lifetime Forti-
flex. They require no lubrication.
ENGINE—Follow engine manual for lubrication
instructions.
A>
.CAUTION
Do Not deposit material larger than
1
/
2
” diameter in hopper. This may
cause damage to the shredding
mechanism. Any material heavier
than V
2
” should be fed into the
upperguide extension. (See figure 5.)