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Troubleshooting guide – EarthQuake 600050V User Manual

Page 16

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16

Operator's Manual

String Mower 600050V

TROUBLESHOOTING GUIDE

NOTE: Please see the engine manual for a full troubleshooting guide for any engine issues.

Trouble

Cause

Correction

Engine does not start

Spark plug wire disconnected

Connect spark plug wire

Engine not primed

Prime engine

Defective or incorrectly gapped spark plug

Inspect or replace spark plug

Fuel tank empty

Add fuel

Dirty carburetor or fuel line

Clean carburetor or fuel line

Dirty air filter

Replace air filter

Carburetor out of adjustment

For carburetor adjustment, take the unit to an

authorized service center

Engine flooded

Wait several minutes before starting

ON/OFF Switch in incorrect position

Move Switch to ON position

Stale gasoline

Drain old gasoline and add fresh gas

Defective ON/OFF Switch or wire

Inspect and replace damaged parts

Engine runs poorly

Bad spark plug

Replace spark plug

Dirty air filter

Replace air filter

Carburetor out of adjustment

For carburetor adjustment, take the unit to an

authorized service center

Stale gasoline

Drain old gasoline and add fresh gas

Engine cooling system clogged

Clean debris screen and engine cooling fins

Engine overheats

Engine cooling system clogged

Clean debris screen and engine cooling fins

Carburetor out of adjustment

For carburetor adjustment, take the unit to an

authorized service center

Oil level is low

Add oil

Engine will not stop

running

ON/OFF Switch faield

Inspect and replace damaged parts

Wire disconnected from ON/OFF Switch

Inspect, repair, or replace damaged parts

Poor mowing

performance

Mower line length is too short

Correct line length is 21.5 inches. When the line is less

than 1/2 of this length, replace the line.

Mower vibrates

Socket head cap screws for the mower head

are loose

Tighten socket head cap screws with L-handle wrench

Mower line lengths are substantially

different

Adjust mower line to approximately equal lengths

Loose nuts or bolts

Check all bolts and nuts, including engine bolts

Broken mower head

Replace broken part

Mower head does not

retain line

Mower line not properly attached

Follow instructions on decal or in the "Maintenance,

Service and Storage" section of the owner's manual

Broken line retainer

Replace mower head assembly

Mower line not correct size

Use a 0.155" diameter mower line