6
22DH02
SAFETY
The Properly Equipped Operator
Always
operate with both
hands firmly gripping the
unit.
Wear close-fitting clothing to
protect legs and arms.
Gloves offer added
protection and are strongly
recommended. Do not wear
clothing or jewelry that could
get caught in machinery or
underbrush.
Secure hair so it is
above shoulder
level. NEVER
wear shorts!
Always
wear eye protection such
as goggles or safety glasses.
Wear appropriate footwear (non-skid boots or
shoes): do not wear open-toed shoes or sandals.
Never operate the unit while barefoot!
Keep a proper
footing and
do not
overreach.
Maintain
your balance at all
times during
operation.
Always
make sure the cutters
are correctly adjusted and in
good condition.
Figure 2
Always
wear hearing protection
such as earmuffs or earplugs.
23
Troubleshooting Guide
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.
Cut at a slower rate.
Consult with an authorized
servicing dealer.
Drain and refill with clean fresh
unleaded gasoline with a pump
octane of 87 or higher, mixed
with 50:1 Shindaiwa Premium
2-cycle mixing oil or an equivalent
high quality 2-cycle mixing oil.
Re-start.
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.
Loose or damaged
spark plug.
Water in the fuel.
Faulty carburetor and/or
diaphragm.
Clean or replace the air filter
element.
Tighten or replace the plug
with a Champion CJ8 or
equivalent spark plug of the
correct heat range. For electro-
magnetic compliance (EMC)
use a NGK BMR6A resistor plug.
Adjust the spark plug electrode
gap to 0.24 inch (0.6 mm). Re-start.
Drain; replace with clean fuel.
See page 11.
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.
TROUBLE SHOOTING
