ADJUSTING THE LINE LENGTH
•
Your brushcutters is equipped with a semi-
auto type nylon line head that allows the
operator to advance the line without
stopping the engine. When the line
becomes short, lightly tap the head on the
ground while running the engine at full
throttle.
•
Each time the head is bumped, the line
advance about 1 inch(25.4 mm). For better
effect, tap the head on bear ground or hard
soil. Avoid bumping in thick, tall grass as
the engine may stall by overload.
6
Maintenance
6. While holding the unit firmly, pull out the
starter rope quickly until engine fires.
START
Stop
Start
3. Ignition switch
1
2
5. Set the ignition switch to the “I” position. Set
the throttle lever to the start position (1 --> 2
--> 3).
Place the unit on a flat, firm place.
Keep the cutting head clear of everything
around it.
■
STARTING ENGINE
•
The cutting head will start rotating upon
the engine starts.
1. Feed fuel into the fuel tank and tighten the
cap securely.
2. Rest the unit on a flat, firm place. Keep the
cutting head off the ground and clear of
surrounding objects, as it will start rotating
upon starting of the engine.
3. Push the primer pump several times until
overflown fuel flows out in the clear tube.
WARNING
•
The product is equipped with a centrifugal
clutch mechanism, so the cutting
attachment begins to rotate as soon as the
engine is started by putting the throttle into
the start position. When starting the engine,
place the product onto the ground in a flat
clear area and hold it firmly in place so as to
ensure that neither the cutting part nor the
throttle come into contact with any obstacle
when the engine starts.
WARNING
•
Before cleaning, inspecting, or repairing
the unit, make sure that the engine has
stopped and is cool.
WARNING
•
Avoid pulling the rope to its end or returning
it by releasing the knob. Such actions can
cause starter failures.
7. Move the choke lever downward to open the
choke. And restart engine.
8. Allow the engine to warm up for a several
minutes before starting operation.
1. When restarting the engine immediately
after stopping it, leave the choke open.
2. Overchoking can make the engine hard to
start due to excess fuel. When the engine
failed to start after several attempts, open
the choke and repeat pulling the rope, or
remove the spark plug and dry it.
NOTE
IMPORTANT
■
STOPPING ENGINE
1. Release the throttle lever and run the
engine for half a minute.
2. Shift the ignition switch to the STOP
position.
•
Except for an emergency, avoid stopping
the engine while pulling the throttle lever.
IMPORTANT
4. Move the choke lever to the closed position.
■
SPARK PLUG
•
Starting failure and misfiring are often
caused by a fouled spark plug. Clean the
spark plug and check that the plug gap is in
the correct range. For a replacement plug,
use the correct type specified by KOMATSU
ZENOAH.
Model
Type of Plug
Spark Gap
TR2001DL
NGK BPMR7A
0.6 ~ 0.7 mm
•
Note that using any spark plug other than
those designated may result in the engine
failing to operate properly or in the engine
becoming overheated and damaged.
•
To install the spark plug, first turn the plug
until it is finger tight, then tighten it a quarter
turn more with a socket wrench.
IMPORTANT
■
AIR FILTER
•
The air filter, if clogged, will reduce the
engine performance. Check and clean the
filter element in warm, soapy water as
required. Dry completely before installing. If
the element is broken or shrunk, replace
with a new one.
■
FUEL FILTER
•
When the engine runs short of fuel supply,
check the fuel cap and the fuel filter for
blockage.
■
LINE HEAD USAGE
1. Always wear eye protection such as
safety goggles. Never lean over the
rotating cutting head. Rocks or other
debris could be thrown into eyes and
face and cause serious personal injury.
2. Keep the debris guard attached in place
at all times when the unit is operated.
TRIMMING GRASS AND WEEDS
•
Always remember that the TIP of the line
does cutting. You will achieve better results
by not crowding the line into the cutting
area. Allow the unit to trim at its own pace.
1. Hold the unit so the head is off the ground
and is tilted about 20 degrees toward the
sweep direction.
2. Use full throttle when cutting.
3. You can avoid thrown debris by sweeping
from your left to the right.
4. Use a slow, deliberate action to cut heavy
growth. The rate of cutting motion will
depend on the material being cut. Heavy
growth will require slower action than will
light growth.
5. Never swing the unit so hard as you are in
danger of losing your balance or control of
the unit.
6. Try to control the cutting motion with the hip
rather than placing the full workload on the
arm and hands.
7. Take precautions to avoid wire, grass and
dead, dry, long-stem weeds from wrapping
around the head shaft. Such materials can
stall the head and cause the clutch to slip,
resulting in damage to the clutch system if
repeated frequently.
WARNING
(1) Fuel filter
(1) Air filter
(1) Choke lever
(2) Close
(3) Open
(4) Primer pump
