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TROUBLE SHOOTING
PROBLEM CORRECTIVE ACTION
Engine tails to start
Loss of power;
operation erratic
POSSIBLE CAUSE(S)
• Fuel tank empty, orstale fuel.
• Spark plug wire disconnected.
• Faulty spark plug.
• Nozzle safety switch not depressed.
• Spark plug wire loose.
• Unit running on CHOKE.
• Blocked fuel line or stale fuel.
• Water or dirt in fuel system.
• Carburetor out of adjustment.
• Dirty air cleaner. •
Engine overheats • Carburetor not adjusted •
properly.
• Engine oil level low. •
Too much vibration • Loose parts or damaged •
impeller.
Unit does not • Discharge chute clogged. •
discharge
Rate of discharge
slows considerably or
composition of
discharged material
changes
• Foreign object lodged in impeller.
• Vacuum bag is full.
• Chipper blades dull.
• Fill tank with clean, fresh fuel.
• Connect wire to spark plug.
• Clean, adjust gap or replace.
• Adjust metal tab so it depresses the safety switch.
• Connect and tighten spark plug wire.
• Move choke lever to OFF position.
• Clean fuel line; fill tank with clean
fresh gasoline.
• Disconnect fuel line at carburetor to drain fuel
tank. Refill with fresh fuel.
• Adjust carburetor or contact your SEARS
Service Center.
Service air cleaner. See Customer Responsibilities
section of this manual.
Contact your SEARS Service Center.
Fill crankcase with proper oil.
Stop engine immediately and disconnect
spark plug wire. Tighten all bolts and nuts.
Make all necessary repairs. If vibration continues,
have unit serviced by a SEARS Service Center,
Stop engine immediately and disconnect
spark plug wire. Clean flail screen and inside
of blower housing. See Service/Adjustments
section of this manual.
Stop engine immediately and disconnect
spark plug wire. Remove lodged object.
Empty bag.
Sharpen or replace chipper blades.
NOTE: For repairs beyond the minor adjustments listed above, please contact your nearest SEARS Service Center.
HOW TO ORDER REPLACEMENT PARTS
Each chipper-vacuum has its own model number.
Each engine has itsown model number.
The model number for your chipper-vacuum will be
found on a label attached to the frame.
The model number for the engine will be found on the
blower housing of the engine.
Atl parts listed herein may be ordered through Sears,
Roebuck and Co. Service Centers and most Retail
Stores.
WHEN ORDERING REPAIR PARTS, ALWAYS GIVE
THE FOLLOWING INFORMATION:
*PRODUCT - "9 H.P. Chipper-Vacuum"
*MODEL NUMBER - 247.799640
*ENGINE MODEL NO. - 143.959003
*PART NUMBER
*PART DESCRIPTION
Your Sears merchandise has added value when you
consider that Sears has service units nationwide
staffed with Sears trained technicians...professional
technicians specifically trained on Sears products,
having the parts, tools and the equipment to insure
that we meet our pledge to you..."we service what we
sell ."
IF YOU NEED REPAIR
SERVICE OR PARTS:
REPAIR SERVICE
1-800-4-REPAIR
(1-800-473-7247)
ORDERING PARTS
1-800-FON-PART
(1-800-366-7278
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