Using the accompanying illustra-
tions as a guide, familiarize yourself
with your unit and its various compo-
nents. Understanding your unit helps
ensure top performance, long service
life, and safer operation. See Figure 2
and 2a.
WARNING!
Do not make unauthorized
modifications or alterations to any
of these units or their components.
Product Description
Figure 2
DESCRIPTION
M23002a
Coupler Screw
Knob
Latch
Latch protector
Figure 2a
M230 Multipurpose
Tool Carrier
Coupler
Handle
Grip
Throttle
Lockout Lever
Ignition
Switch
Air
Cleaner
Spark
Plug
Fuel Tank
Throttle
Trigger
Tank Guard
Outer
Tube
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
50:1 Shindaiwa Premium 2-cycle
mixing oil or with an equivalent high
quality 2-cycle mixing oil.
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.
(For electro magnetic compliance
(EMC) use a NGK BMR6A resistor plug)
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
50:1 Shindaiwa Premium 2-cycle
mixing oil or with an equivalent high
quality 2-cycle mixing oil.
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. 11).
Refuel as necessary.
Consult with an authorized
servicing dealer.
TROUBLESHOOTING
21