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AH231_04
AH231_03
Always operate with
both hands firmly
gripping the unit.
Wear non-slip heavy-
duty gloves to improve
your grip on the trimmer
handle. Wear snug-
fitting clothes that also
permit freedom of
movement. NEVER
wear shorts!
Always wear a hard hat to reduce
the risk of head injuries during
operation of this unit.
Always wear eye and hearing
protection. Shindaiwa recommends
wearing a face shield as additional
face and eye protection.
Wear sturdy footwear with
nonslip soles to provide good
footing. Steel-toed safety boots
are recommended. Never
operate unit bare-footed.
Keep a proper footing and do not
overreach—maintain your balance
at all times during operation.
Operating the Articulated Hedge Trimmer
Figure 3
Keep bystanders at least 50 feet
(15 meters) away from the
operating trimmer to reduce the
risk of being struck by falling
objects or thrown debris.
Secure long hair
so it is above
shoulder level.
7
SAFETY
Troubleshooting Guide (continued)
LOW POWER OUTPUT
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. 15).
Refuel as necessary.
Consult with an authorized
servicing dealer.
28
TROUBLESHOOTING