Troy-Bilt TB144 User Manual
Page 15

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