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Disconnect spark
plug wire and move it away
from spark plug.
Lower the hopper assembly. Block up the
housing.See figure 19.
Weld Bolt
Allen
Screw
Pipe
causedamage to theunit.The blade can be tasted
for balance by balancing iton a roundshaft
screwddver or nail. Removemetalfrom the heavy
side untilitis balancedevenly.See figure20.
When reassemblingthe blade, tightencenter
boltto between 550 and 650 inch-poundsand
the two outer boltsto between 250and 350 inch-
pounds, or lackingtorque wrench, tighten
securely.
1. insertscrewdriver throughhole
d/
2. Bladeshouldbe parallelto ground
Screv_
Driver\
Blade
i
I --
Ground
Torque Wrench
Figure 20
Figure 19
Remove the six hex lock nuts and lock washers
from the housingweld boltsusing a 1/2"wrench.
Separate the chipper-shredderintotwo halves.
Remove the back-up plate.
NOTE: When reassembling, make certain the
embossed tab faces inward towards the impeller, and
opening on the back-up plate is toward the bottom of
the unit.
Remove the two hand knobs and cupped
washers whichsecure the chute deflector. Raise
the chute deflector.
Inserta 1/2" or 3/4" diameter pipethrough the
flail screen intothe impellerto keep itfrom
turning,or remove the flail screen and insert a
piece of wood (2 x 4) intothe chute opening.
Remove the two outside screwson the blade,
using a 3/16" allenwrench and a 1/2"wrench.
Remove the blade by removing the center bolt,
lockwasher and fiat washer.
,_
WARNING:
Use caution when removing
the blade to avoid contacting the weld bolts
on the housing.
When sharpening the blade, follow the original
angle of grind as a guide. It is extremely
important that each cutting edge receives an
equat amount of grinding to prevent an
unbalanced blade.
An unbalanced blade will cause excessive
vibration when rotating at high speeds and may
ADJUSTING CARBURETOR
A
WARNING: If any adjustments are made to
the engine whiletheengine isrunning(e.g.
carburetor),keep clear of all moving parts.
Be careful of heated surfaces and muffler.
The carburetor has been pre-set at the factory and
shouldnot requireadjustment.However, if your
engine does not operate properlydue to suspected
carburetor problems,take yourchipper-shredderto
your nearest SEARS service center.
ENGINE SPEED
The engine speed on your chipper-shredderhas been
set at the factory. Do not attempt to increase engine
speed or it may result in personal injury. If you believe
the engine is running too fast or too slow, take your
chipper-shredder to the nearest SEARS service
center for repair and adjustment.
TIRES
Recommendedoperating tire pressure is 24 p.s.i.
(sidewallof tire may give tire manufacturers
recommendedpressure).Equal tire pressureshould
be maintained on both tires.
WARN ING: Excessive pressurewhenseating
beadsmay cause tire/rimassembly toburstwith
force sufficient tocause serious injury.
16
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