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TROUBLESHOOTING
22
Engine will not start
Engine will not idle
Low idle speed
Engine will not accelerate
Engine lacks power or
stalls when cutting
Cutting head will not
advance line
Ignition switch is OFF
Empty fuel tank
Primer bulb wasn't pressed
enough
Engine flooded
Old or Improperly Mixed Fuel
Fouled spark plug
Air Filter is Plugged
Old or Improperly Mixed Fuel
Improper carburetor
adjustment
Old or Improperly Mixed Fuel
Improper carburetor
adjustment
Cutting head bound with grass
Dirty air filter
Old or Improperly Mixed Fuel
Improper carburetor
adjustment
Cutting head bound with grass
Cutting head out of line
Inner reel bound up
Cutting head dirty
Line welded
Line twisted when refilled
Not enough line is exposed
Turn switch to ON
Fill fuel tank
Press primer bulb fully and slowly
5-7 times
Use starting procedure with choke
lever in the RUN position Pg. 12
Drain fuel tank / Add fresh fuel
mixture
Replace or clean the spark plug
Replace or clean the air filter
Drain fuel tank / Add fresh fuel
mixture
Adjust per instruction Pg. 19
Drain fuel tank / Add fresh fuel
mixture
Take to an authorized service
dealer for carburetor adjustment
Stop the engine and clean the
cutting attachment
Clean or replace the air filter
Drain fuel tank / Add fresh fuel
mixture
Take to an authorized service
dealer for carburetor adjustment
Stop the engine and clean cutting
attachment
Refill with new line
Replace the inner reel
Clean inner reel and outer spool
Disassemble, remove the welded
section and rewind the line
Disassemble and rewind the line
Push the Bump Knob and pull out
line until 4 in. (102 mm.) of line is
outside of the cutting attachment
PROBLEM
CAUSE
ACTION
Summary of Contents for 766r
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