background image

G3801/G3801EZ

G

B

GB-7

4. Fuel and Chain Oil

■ 

FUEL

          WARNING

Gasoline is very flammable. Avoid smoking or
bringing any flame or sparks near fuel. Make sure
to stop the engine and allow it cool before refuel-
ing the unit. Select outdoor bare ground for fuel-
ing and move at least 3 m (10 ft) away from the
fueling point before starting the engine.

4. Pour in the rest of gasoline and agitate again for at

least one minute. As some oils may be difficult to
agitate depending on oil ingredients, sufficient agi-
tation is necessary for the engine to last long. Be
careful that, if the agitation is insufficient, there is an
increased danger of early piston seizing due to ab-
normally lean mixture.

5. Put a clear indication on the outside of the container

to avoid mixing up with gasoline or other contain-
ers.

6. Indicate the contents on outside of container for easy

identification.

■ 

FUELING THE UNIT

1. Untwist and remove the fuel cap. Rest the cap on a

dustless place.

2. Put fuel into the fuel tank to 80% of the full capacity.
3. Fasten the fuel cap securely and wipe up any fuel

spillage around the unit.

         WARNING

1. Select flat and bare ground for fueling.
2. Move at least 10 feet (3 meters) away from the fuel-

ing point before starting the engine.

3. Stop the engine before refueling the unit. At that time,

be sure to sufficiently agitate the mixed gasoline in
the container.

■ 

FOR YOUR ENGINE LIFE, AVOID:

1. FUEL WITH NO OIL (RAW GASOLINE) – It will cause

severe damage to the internal engine parts very
quickly.

2. GASOHOL – It can cause deterioration of rubber and/

or plastic parts and disruption of engine lubrication.

3. OIL FOR 4-CYCLE ENGINE USE – It can cause spark

plug fouling, exhaust port blocking, or piston ring
sticking.

4.

Mixed fuels which have been left unused for a
period of one month or more

 may clog the carbu-

retor and result in the engine failing to operate prop-
erly.

5. In the case of storing the product for a long period

of time, clean the fuel tank after rendering it empty.
Next, activate the engine and empty the carburetor
of the composite fuel.

6. In the case of scrapping the used mixed oil con-

tainer, scrap it only at an authorized repository site.

Note: As for details of quality assurance, read the description in
the section Limited Warranty carefully. Moreover, normal wear and
change in product with no functional influence are not covered by
the warranty. Also, be careful that, if the usage in the instruction
manual is not observed as to the mixed gasoline, etc. described
therein, it may not be covered by the warranty.

■ 

CHAIN OIL

Use motor oil SAE #10W-30 all year round or SAE
#30 ~ #40 in summer and SAE #20 in winter.

Note: Do not use wasted or regenerated oil that can cause damage
to the oil pump.

• The Zenoah engines are lubricated by oil specially

formulated for air-cooled 2-cycle gasoline engine use.
If Zenoah oil is not available, use an anti-oxidant added
quality oil expressly labeled for air-cooled 2-cycle
engine use (JASO FC GRADE OIL or ISO EGC
GRADE).

• Do not use BIA or TCW (2-stroke water-cooling type)

mixed oil.

RECOMMENDED MIXING RATIO
GASOLINE 50 : OIL 1

    (when using  ZENOAH genuine oil)

Exhaust emission are controlled by the funda-
mental engine parameters and components (eq.,
carburation, ignition timing and port timing) with-
out addition of any major hardware or the intro-
duction of an inert material during combustion.

• These engines are certified to operate on unleaded

gasoline.

• Make sure to use gasoline with a minimum octane

number of 89RON (USA/Canada: 87AL).

• If you use a gasoline of a lower octane value than

prescribed, there is a danger that the engine tem-
perature may rise and an engine problem such as
piston seizing may consequently occur.

• Unleaded gasoline is recommended to reduce the

contamination of the air for the sake of your health
and the environment.

• Poor quality gasolines or oils may damage sealing

rings, fuel lines or fuel tank of the engine.

■ 

HOW TO MIX FUEL

• Pay attention to agitation.

1. Measure out the quantities of gasoline and oil to be

mixed.

2. Put some of the gasoline into a clean, approved fuel

container.

3. Pour in all of the oil and agitate well.

Summary of Contents for G3801EZ

Page 1: ...G3801 G3801EZ G B GB 1 G3801 G3801EZ OWNER S MANUAL CHAIN SAW G B Original Language 115 39 06 38 007 ...

Page 2: ...ain Oil 7 5 Operating the Engine 8 6 Sawing 10 7 Maintenance 11 8 Maintenance of Saw Chain and Guide Bar 12 9 Troubleshooting Guide 13 10 Disposal 13 11 Specifications 14 Read operator s instruction book before operating this machine Wear head eye and ear protection Use the chain saw with two hands Warning Danger of kickback Read understand and follow all warnings Never touch hot surface ...

Page 3: ...ing tree 9 Always hold the chain saw firmly with both hands when the engine is run ning Use a firm grip with thumb and fingers encircling the chain saw handles 10 Keep all parts of your body away from the saw chain when the engine is run ning 11 Before you start the engine make sure the saw chain is not contacting anything 12 Always carry the chain saw with the engine stopped the guide bar and saw...

Page 4: ...m grip with thumbs and fin gers encircling the chain saw handles A firm grip will help you re duce kickback and maintain control of the saw 3 Make certain that the area in which you are cutting is free from obstruc tions Do not let the nose of the guide bar contact a log branch or any other obstruction which could be hit while you are operating the saw 4 Cut at high engine speeds 5 Do not overreac...

Page 5: ... the aircleaner cover The screw under the H stamp is The High speed adjustment screw The screw under the L stamp is The Slow speed adjustment screw The screw at the left of the T stamp is the Idle adjustment screw Position Rear left side of the cylinder cover The indication regarding the operating mode sun mark normal operating mode snow mark anti freeze mode Position Icing cap located on the righ...

Page 6: ...ily derail or cause rapid wear of itseif and the guide bar 3 Installing Guide Bar and Saw Chain A standard saw unit package contains the items as illustrated Open the box and install the guide bar and the saw chain on the power unit as follows The saw chain has very sharp edges Use thick protective gloves for safety 1 Loosen the nuts and remove the chain cover 2 Gear the chain to the sprocket and ...

Page 7: ...k after rendering it empty Next activate the engine and empty the carburetor of the composite fuel 6 In the case of scrapping the used mixed oil con tainer scrap it only at an authorized repository site Note As for details of quality assurance read the description in the section Limited Warranty carefully Moreover normal wear and change in product with no functional influence are not covered by th...

Page 8: ...l prop erly mixed When adjusting take the following steps Note Be sure to adjust the carburetor with the bar chain attached It is very dangerous to run a chainsaw that mounts broken parts or lacks any parts Before starting engine make sure that all the parts including bar and chain are installed properly STARTING THE ENGINE 1 Fill fuel and chain oil tanks respectively and tighten the caps securely...

Page 9: ...circumstances the product should be used in the normal operating mode i e in the mode to which it is set at the time of shipment However when the possibility exists that icing may occur the unit should be set to operate in the anti freeze mode before use Please switch between modes in the repair specialty store Continuing to use the product in the anti freeze mode even when temperatures have risen...

Page 10: ... is caught in the cut do not attempt to pull it out by force but use a wedge or a lever to open the way If the guide bar and saw chain becomes caught in wood while operating it stop the engine Do not pry the handle with excessive force Use a wedge to remove the chain instead FELLING A TREE 1 Decide the felling direction considering the wind lean of the tree location of heavy branches ease of compl...

Page 11: ... limb is bent Then make the initial cut from the bent side and finish by sawing from the opposite side Be alert to the springing back of a cut limb Pruning of Standing Tree Cut up from the bottom finish down from the top 3 Guide bar When the guide bar is dismounted remove sawdust in the bar groove and the oiling port Grease the nose sprocket from the feeding port on the tip of the bar 4 Others Che...

Page 12: ...re not to allow filter fibers or dust inside the suction pipe 3 Oil tank With a wire hook take out the oil filter through the filler port and clean in gasoline When putting the filter back into the tank make sure that it comes to the front right corner Also clean off dirt in the tank 8 Maintenance of Saw Chain and Guide Bar Appropriate gauge checker Make the shoulder round Depth gauge standard 0 0...

Page 13: ...heck fuel for water or substandard mix ture Check air filter and fuel filter for clog ging Check carburetor for inadequate ad justment If the unit seems to need further service please consult with an authorized service shop in your area Replace with proper fuel Clean Readjust speed needles Check oil for sub standard quality Check oil passage and ports for clog ging Replace Clean a d d a a d d a a ...

Page 14: ...m Pointless TCl Spark plug Champion RCJ 7Y Oil feeding system Automatic pump with adjuster Sprocket Teeth x Pitch for 91VG 6T x 3 8 9 53 for 95VP 7T x 0 325 8 26 Dimensions L x W x H mm 370 x 235 x 270 Dry weight Power unit only kg G3801 4 15 G3801EZ 4 3 CUTTING HEAD Guide bar Type Sprocket nose Size mm in 400 16 Saw chain Oregon 91VG Pitch mm in 9 53 3 8 Gauge mm in 1 27 0 05 Saw chain Oregon 95V...

Page 15: ...EPLACEMENT POINT FOR THE PART ANY REPLACEMENT PART THAT IS EQUIVALENT IN PERFORMANCE AND DURABILITY MAY BE USED IN NON WARRANTY MAINTENANCE OR REPAIRS AND SHALL NOT REDUCE THE WARRANTY OBLIGATION OF THE COMPANY THE COMPANY IS LIABLE FOR DAMAGES TO OTHER ENGINE COMPONENTS CAUSED BY THE FAIRURE OF A WARRANTED PARTS STILL UNDER WARRANTY THE WARRANTY DOES NOT APPLY TO THOSE UNITS WHICH HAVE BEEN DAMAG...

Reviews: