Shindaiwa 63888-94010 - Manual (Page 6)

6
IMPORTANT!
Safety and Operation Information
Labels: Make sure all information
labels are undamaged and readable.
Immediately replace damaged or
missing information labels. New labels
are available from your local autho-
rized Shindaiwa dealer.
Safety Equipment and Labels
Shaft Safety Label
Figure 2
Throttle
Interlock
Ignition
Switch
High Voltage Label
SAFETY
Troubleshooting Guide (continued)
LOW POWER OUTPUT
31
Is the engine
overheating?
Operator is overworking
the machine.
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.
Shorten trimmer line. Cut at
a slower rate.
Consult with an authorized
servicing dealer.
Refill with fresh, clean unleaded
gasoline with a pump octane
of 87 or higher mixed with
a 2-cycle air cooled mixing oil that
meets or exceeds ISO-L-EGD
and/or JASO FC classified oils at
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.
Service the air cleaner.
Tighten or replace.
Replace the spark plug with a
Champion CJ8 or equivalent spark
plug of the correct heat range.
Adjust the spark plug electrode gap to
0.024-inch (0.6 mm).
Repair or replace fuel
filter and/or fuel line.
Refill with fresh, clean unleaded
gasoline with a pump octane
of 87 or higher mixed with
a 2-cycle air cooled mixing oil that
meets or exceeds ISO-L-EGD
and/or JASO FC classified oils at
50:1 gasoline/oil ratio.
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 (pg. 18).
Refuel as necessary.
Consult with an authorized
servicing dealer.
TROUBLESHOOTING