Symbol Technologies T350 - Manual (Page 20)

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Low Power Output
Troubleshooting Guide (Continued)
Is the engine
overheating?
Operator is overworking
the unit.
Carburetor mixture is
too lean.
Improper fuel ratio.
Fan, fan cover, cylinder
fins dirty or damaged.
Carbon deposits on the
piston or in the muffler.
Cut at a slower rate.
Consult with an authorized
servicing dealer.
Refill with clean fresh unleaded
gasoline with a pump octane of
87 or higher, mixed with
Premium 2-cycle mixing oil at a
50:1 gasoline/oil ratio.
Clean, repair or replace
as necessary.
Consult with an authorized
servicing dealer.
What To Check Possible Cause Remedy
Engine is rough
at all speeds.
May also have
black smoke
and/or unburned
fuel at the
exhaust.
Clogged air cleaner
element.
Loose or damaged
spark plug.
Air leakage or clogged
fuel line.
Water in the fuel.
Piston seizure.
Faulty carburetor and/
or diaphragm.
Clean or replace the air filter.
Tighten or replace the plug with
a NGK BMR6A. Re-start.
Repair or replace fuel
filter and/or fuel line.
Refill with fresh fuel/oil
mixture.
Consult with an authorized
servicing dealer.
Consult with an authorized
servicing dealer.
Engine is
knocking.
Overheating condition.
Improper fuel.
Carbon deposits in the
combustion chamber.
See above.
Check fuel octane rating;
check for presence of
alcohol in the fuel. Refuel as
necessary.
Consult with an authorized
servicing dealer.