Troy-Bilt TB144 Operator's Manual page 15

ENGINE WILL NOT START
C A U S E
On/Off control in the STOP position
Empty fuel tank
Primer bulb wasn't pressed enough
Old or improperly mixed fuel
Fouled spark plug
Plugged spark arrestor
Engine is flooded
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
Dirty air filter
Plugged spark arrestor
Cultivator tines bound with dirt or grass
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
Low power
Cultivator tines bound with dirt or grass
SIGNS OF OIL AROUND OIL FILL PLUG / DIPSTICK
C A U S E
Oil fill plug/dipstick loose or missing o-ring
UNIT OCCASIONALLY HESITATES AT HIGH SPEEDS
C A U SE
Spark plug gap is too small/close
If further assistance is required, contact your authorized service dealer.
TROUBLESHOOTING
A C T I O N
Turn On/Off control to ON
Fill fuel tank with fuel
Press primer bulb fully and slowly 10 times
Drain gas tank and add fresh fuel
Replace or clean the spark plug
Clean or replace spark arrestor
Pull starter rope repeatedly with throttle control fully
engaged and with the choke lever in Position 3
A C T I O N
Replace or clean the air filter
Drain gas tank and add fresh fuel
Adjust according to the Carburetor Adjustments section or take
to an authorized service dealer for an adjustment
A C T I O N
Drain gas tank and add fresh fuel
Adjust according to the Carburetor Adjustments section or take
to an authorized service dealer for an adjustment
Clean or replace the air filter
Clean or replace spark arrestor
Stop the unit, switch the On/Off Stop Control to STOP, clean
and remove any debris binding the tines
A C T I O N
Drain gas tank and add fresh fuel
Adjust according to the Carburetor Adjustments section or take
to an authorized service dealer for an adjustment
Replace or clean the spark plug
Clean or replace spark arrestor
Rocker arm clearance adjustment (see page 18)
Stop the unit, switch the On/Off Stop Control to STOP, clean
and remove any debris binding the tines
A C T I O N
Tighten oil fill plug/dipstick, replace o-ring
A C T I O N
Adjust gap to 0.025"
15