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Troy-Bilt TB144 User Manual

Page 15

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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