848JJ693A0 (602)
OPERATOR’S MANUAL
BRUSHCUTTER
YM 415 FW
Set up
■ ENGINE
Using attached 4 socket screws, secure the connection firmly with equal force. (F1)
F1
•
■ INSTALLING HANDLE
F2
1. Loosen the 4 bolts on the handle bracket. (F2)
2. Insert the right handle (throttle lever is attached) and the left handle assembly into the
bracket and retighten the bolts securely. (F2)
(1) Handle bracket (2) Right handle (3) Bolt
(4) Left handle (5) Engine side
3. Remove the screw (F3-1) from the right grip (F3-2) and put the grip onto the right
handle. Align the positioning holes and put the screw through them. Fasten the clamp.
(F3-3)
F3
■ PROTECTOR
F4
F5
•
Wrap the protector around the outer pipe as shown in the figure (F4), and fasten the
hooks.
■ SAFETY GUARD
•
Attach the safety guard to the gear case and fix it with the clamp and 2 bolts (M5 x 25)
securely. (F5)
(1) Bolt (2) Clamp (3) Main pipe (4) Safety guard
■ BLADE
F6
1. Put the angled bar (F6-1) into the side holes of the inner holder (F6-4)and the
gearcase.
2. Remove the blade bolt (F6-2, Lefthanded) and the outer holder (F6-3) from the
gearshaft.
3. Put the blade onto the inner holder.
4. Put the outer holder onto the gearshaft making the recessed side face the blade.
5. Fasten the blade by the blade bolt with the washers (F6-5) and the bolt cover (F6-6).
•
Detailed attachments and set up method will be shown in separate Thai language
manual.
3
Fuel
WARNING
•
•
Keep open flames away from the area where fuel is handled or stored.
F7
Mix and store fuel only in an approved gasoline container.
Mix a regular grade gasoline (leaded or unleaded, alcohol-free) and a quality-proven
motor oil for air cooled 2-cycle gasoline engine use.
Recommended mixing ratio:
25 : 1 Mix Chart
Condition
Up to 20 hours use
After 20 hours use
Gasoline : Oil
Gasoline (liters)
2-cycle oil (ml.)
1
2
3
4
5
20 : 1
25 : 1
40 80 120 160 200
NOTE
Most engine troubles are caused, directly or indirectly, by the fuel used on the
machine. Take special care not to mix a motor oil for 4-cycle engine use.
Use
■ STARTING THE ENGINE
F8
WARNING
Take care that the cutting head will start rotating upon the engine starts.
1. Open the fuel tank cock. (F8-1-b)
2. Move the choke lever to the closed position. (F8-2-a)
3. Set the engine switch (F10-a) to the " I " position. Set the throttle lever to the start
position. (F10, 1-2-3)
F10
4. Place the unit on a flat, firm place. Keep the cutting head clear of everything around it.
5. While holding the unit firmly, pull out the starter rope quickly. (F11)
6. After the engine has started, open the choke gradually and allow the engine to warm
up. Pull the throttle lever to unlock it.
■ STOPPING ENGINE
1. Release the throttle lever .
F11
F12
2. Move the engine switch to the “ O ” position.
■ ADJUSTING THROTTLE CABLE
•
The normal play is 1 or 2mm when measured at the carburetor side end. Readjust with
the cable adjuster (F12-1) as required.
■ ADJUSTING IDLING SPEED
•
It is normal that the engine keeps running without the blade rotation, when the throttle
lever is released. When the engine speed is too high or too slow, readjust the idle set
screw. (F12-2)
4
Use
Cutting work
F13
•
By using the shoulder strap, hang the unit on your right side. Adjust the strap length so
that the cutting head may become parallel to the ground. (F13)
■ SWIVEL LOCK
F14
a) When the unit is not hung down with the harness, as in transportation, use the swivel
lock to prevent the engine from roll down.
b) To lock the swivel, thrn the wing nut (F14-1) clockwise.
c) For normal operation, keep the wing nut loose.
•
Choose a suitable recommended cutting attachment according to the object to be cut.
(F15) Never use other cutting attachement not approved by YANMAR S.P.
■ WHEN USING A METAL BLADE
F15
1. Check the bolt to fasten the blade and be sure the bolt has no fault, and no abrasion.
2. Be sure that the blade and the holder have been fastened according to instruction and
the blade turns smoothly without abnormal noise.
•
The rotating parts fastened incorrectly may cause serious accident to the
operator.
■ CUTTING METHOD
F15
(a) Use the front left side for cutting.
(b) Guide the blade from your right to left with it tilted slightly to your left. (F16)
(c) When mowing a wide area, start working from your left end to avoid interference of cut
grass.
(d) The blade may be seized by weeds if the engine speed is too low, or the blade cuts too
deep into weeds. Adjust the engine speed and cutting depth according to the condition
of object.
WARNING
•
For your health and to prevent the risk from vibration, refrain from working for a long
time at the cold temperature.
F22
■ WHEN USING A NYLON LINE HEAD
1. Guide the head from your left to right to let the cut grass be thrown away from you.
(F22)
2. Always do cutting with the engine running at full throttle.
3. Use only the tip of the oine for cutting, and allow it to trim at its own pace.
5
Maintenance
WARNING
Before cleaning, inspecting, or repairing the unit, make sure that the
engine has stopped and is cool.
F18
■ BLADE
•
•
Check the blade and the fasteners for looseness, cracking, or bending.
Check the cutting edges and reform with a flat file.
Point (F18):
1. Keep the end corner sharp.
2. Round the root of the edge.
3. Do not use water when using a grinder.
■ AIR CLEANER
F19
•
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. (F19)
(1) Cover (2) Element (3) Screen (4) Body
IMPORTANT
A clogged air filter may increase fuel consumption while cutting down the engine power.
And operate the brushcutter without the air filter or with a deformed filter element will
quickly ruin the engine.
■ FUEL FILTER
F20
•
Take the filter out of the fueling port using a small wire hook. Disconnect the filter
assembly from the fuel pipe and unhook the retainer to disassemble it. Clean the
components with gasoline. (F20)
(1) Strainer (2) Fuel tank
IMPORTANT
A clogged fuel filter may cause poor acceleration of the engine.
■ SPARK PLUG
F21a
•
Starting failure and mis-firing are often caused by a fouled spark plug. Periodically
clean the spark plug and replace with a new one as required. (F21a)
REPLACEMENT PLUG IS A Champion CJ-6Y.
•
0.6 — 0.7mm
■ GEAR CASE
•
•
Supply multi-purpose grease at every 25 hours of use.
Remove the cutter holders to arrange for old grease to exit. (F21)
F21
(1) Inner holder (2) Plug
■ MAINTENANCE BEFORE STORAGE
•
•
Old fuel left in the carburetor may cause starting failure. When a series of operation
finished, make sure to empty the fuel tank and drain the carburetor.
IMPORTANT
Check all parts and the functions. If the failured or damaged parts have been found,
replace them with new ones.
6
Limited warranty
Specifications
Should any failure occur on the product
under normal operating conditions within
the applicable warranty period, the failed
part will be replaced or repaired at free of
charge by YANMAR S.P. authorized
dealer.
Model name . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . YM415FW
Engine model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . G45L
3
Displacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41.5cm
Carburetor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Float
Ignition system. . . . . . . . . . . . . . . . . . . . . . . IC controlled flywheel magneto
Spark plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Champion CJ-6Y
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . Mixture (Gasoline 25 : 2-Cycle Oil 1)
Fuel tank capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8 litres
Starter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Recoil starter
Clutch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Cetrifugal type
Reduction ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.333
Cutter rotation . . . . . . . . . . . . . Counter-clockwise as viewed from operator
WARRANTY PERIOD: 6 months from the
date of initial purchase.
IMPORTANT: The following cases are not
covered by this warranty:
(a) Any failure resulted from neglect of
instructions for proper operation and
maintenance of the product described
in the operator's manual.
(b) Any damage due to accidents, abuse,
negligence, alteration, or use of any
parts or accessories other than those
specified by YANMAR S.P.
Overall dimension L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1800mm
W . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 630mm
(c) Any failure due to use of improper fuel.
H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 480mm
(d) Replacement of normally consumed
parts: cutter blades, spark plugs,
starter ropes, etc.
Dry weight. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.3kg
• Specifications are subject to change without notice
(e) Regular maintenance and adjustments
explained in the operator's manual.
(f) Incidental or consequential damages.
(g) Transportation
failed/repaired unit.
charge
for
Nothing contained in this warranty affects
the consumer's statutory rights.
7
Distributed by
YANMAR S.P. CO., LTD.
LAD KRABANG INDUSTRIAL ESTATE
109 Moo 9 Chalong Krung Rd., Lamplatiew
Lad Krang Bangkok 10520 Thailand.
PRINTED ON RECYCLED PAPER
PRINTED IN JAPAN
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