Troubleshooting Chart - Troy-Bilt TB75SS Manual Del Operador

ENGINE WILL NOT START
C A U S E
Empty fuel tank
Primer bulb wasn't pressed enough
Engine is flooded
Old or improperly mixed fuel
Fouled spark plug
Plugged spark arrestor
EZ-Start lever wasn't flipped/set
The outside temperature is below 40º F
The outside temperature is above 90º F
ENGINE WILL NOT IDLE
C A U S E
Air filter is plugged
Old or improperly mixed fuel
Improper carburetor adjustment
ENGINE WILL NOT ACCELERATE
C A U S E
Old or improperly mixed fuel
Improper carburetor adjustment
Cutting attachment bound with grass
Dirty air filter
Plugged spark arrestor
ENGINE LACKS POWER OR STALLS WHEN CUTTING
C A U S E
Old or improperly mixed fuel
Improper carburetor adjustment
Fouled spark plug
Plugged spark arrestor
CUTTING ATTACHMENT WILL NOT ADVANCE LINE
C A U S E
Cutting attachment bound with grass
Cutting attachment out of line
Inner reel bound up
Cutting head dirty
Line welded
Line twisted when refilled
Not enough line is exposed
CUTTING LINE ADVANCES UNCONTROLLABLY
C A U SE
Oil, cleaner or lubricant in cutting head
If further assistance is required, contact your authorized service dealer.
TROUBLESHOOTING
Fill fuel tank with properly mixed fuel
Press primer bulb fully and slowly 10 times
Squeeze the trigger and pull the starter rope
Drain gas tank and add fresh fuel mixture
Replace or clean the spark plug
Clean or replace spark arrestor
Move lever to the starting position
Pull the starter rope up to 10-15 times
Squeeze the throttle control and pull the starter rope
Replace or clean the air filter
Drain gas tank and add fresh fuel mixture
Adjust according to the Carburetor Adjustments section
Drain gas tank and add fresh fuel mixture
Take to an authorized service dealer for an adjustment
Stop the engine and clean the cutting attachment
Clean or replace the air filter
Clean or replace spark arrestor
Drain gas tank and add fresh fuel mixture
Take to an authorized service dealer for an adjustment
Replace or clean the spark plug
Clean or replace spark arrestor
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
Disassemble and rewind the line
Push the bump knob and pull out line until 4 inches
(102 mm) of line is outside of the cutting attachment
Clean and thoroughly dry the cutting head
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