Bolens 247.77763 - Manual (Page 18)

TROUBLE-SHOOTING
Problem Possible Causes Corrective Action
Engine fails to start Fuel tank empty, or stale fuel.
Spark plug wire disconnected.
Faulty sparkplug.
Nozzle safety switch not depressed.
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.
Loss of power, erratic operation Spark plug wire loose.
Blocked fuel line or stale fuel.
Water or dirt in fuel system.
Carburetor out of adjustment.
Dirty air cleaner.
Connect and tighten spark plug wire.
Clean fuel line; fill tank with clean, fresh
gasoline.
Disconnect fuel line at carburetor to
drain fuel tank. Refill with fresh fuel.
Contact your local Sears service
center.
Service air cleaner following
instructions on page 14.
Engine overheats Carburetor not adjusted
Engine oil level low.
Contact your local Sears service
center.
Fill crankcase with proper selection of
oil.
Too much vibration Loose parts or damaged impeller Stop engine immediately, disconnect
spark plug wire, tighten all bolts and
nuts and make necessary repairs. If
vibration continues, consult with your
local Sears service center.
Unit does not discharge Discharge chute clogged
Foreign object lodged in impeller.
Vacuum bag is full.
Clean flail screen and blower housing
following instructions on page 15.
Stop engine immediately, disconnect
spark plug wire, and remove lodged
object.
Empty the bag.
Rate of discharge slows considerably
or composition of discharged material
changes
Dull chipper blades Sharpen or replace blades following
instructions on page 15.
For repairs beyond the minor adjustments listed above, please contact your local Sears service center.
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