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G3800

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

Check for fuel leakage and loose fastenings and damage to
major parts, especially handle joints and guide bar mounting.
If any defects are found, make sure to have them repaired
before operating the saw again.

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PERIODICAL SERVICE POINTS

1. Cylinder fins

Dust clogging between the cylinder fins will cause overheat-
ing of the engine. Periodically check and clean the cylinder
fins in the repair specialty store.

7. Maintenance

Oiling port

Grease port

Sprocket

Oiling port

Before cleaning, the inspecting or repairing the unit,
make sure that engine has stopped and is cool.
Disconnect the spark plug to prevent accidental
starting.

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MAINTENANCE AFTER EACH USE

1. Air filter

Dust on the cleaner surface can be removed by tapping a
corner of the cleaner against a hard surface. To clean dirt in
the meshes, split the cleaner into halves and brush in gaso-
line. When using compressed air, blow from the inside.

To assemble the cleaner halves, press the rim until it clicks.

Note: When installing the main filter, make sure that the grooves on the
filter edge are correctly fit with the projections on the cylinder cover.

2. Oiling port

Dismount the guide bar and check the oiling port for clogging.

A log lying on the ground

Saw down halfway, then roll the log over and cut from
the opposite side.

A log hanging off the ground

In area A, saw up from the bottom one-third and finish
by sawing down from the top. In area B, saw down from
the top one-third and finish by sawing up from the bot-
tom.

Cutting the limbs of Fallen Tree

First check to which side the 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.

• Do not use an unstable foothold or ladder.
• Do not overreach.
• Do not cut above shoulder height.
• Always use both your hands to hold the

saw.

GB-11

G

B

Summary of Contents for G3800

Page 1: ...G3800 G3800 OWNER S MANUAL CHAIN SAW G B 115 57 92 38 302 Original Language ...

Page 2: ... 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 GB 2 ...

Page 3: ...ways 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 chain to the...

Page 4: ...th 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 overreach or cut ...

Page 5: ...Upper right of 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 Left side of the rear handle Shows the directions that the chain brake is released white arrow and activated black arrow Position Front of the chain cover If you t...

Page 6: ...oving direction 4 Fit the chain cover to the power unit and fasten the nuts to finger tightness 5 While holding up the tip of the bar adjust the chain tension by turning the tensioner screw until the tie straps just touch the bottom side of the bar rail 6 Tighten the nuts securely with the bar tip held up 12 15 N m Then check the chain for smooth ro tation and proper tension while moving it by han...

Page 7: ...G3800 G B GB 7 4 Fuel and Chain Oil ...

Page 8: ...clockwise 4 Make a test cut and adjust the H needle for best cutting power not for maximum speed Note When restarting immediately after stopping the engine set the Choke knob in the first stage position choke open and throttle lever in the starting position Note Once the choke knob has been pulled out it will not return to the operating position even if you press down on it with your finger When y...

Page 9: ...ew minutes 2 Set the switch to the O STOP position Carburetor anti freeze mechanism Operating chain saws in temperatures of 0 5 C at times of high humidity may result in ice forming within the carburetor and this in turn may cause the output power of the engine to be reduced or for the engine to fail to operate smoothly This product has accordingly been designed with a ven tilation hatch on the ri...

Page 10: ...ard forward The chain should stop immediately with the en gine at full speed If the chain is slow to stop or does not stop replace the brake band and clutch drum before use It is extremely important that the chain brake be checked for proper operation before each use and that the chain be sharp in order to main tain the kickback safety level of this saw Removal of the safety devices inadequate mai...

Page 11: ...surface To clean dirt in the meshes split the cleaner into halves and brush in gaso line When using compressed air blow from the inside To assemble the cleaner halves press the rim until it clicks Note When installing the main filter make sure that the grooves on the filter edge are correctly fit with the projections on the cylinder cover 2 Oiling port Dismount the guide bar and check the oiling p...

Page 12: ...ht Vibration increases Fuel consumption increases Cutter setting standards Be sure to wear safety gloves Before filing Make sure the saw chain is held securely Make sure the engine is stopped Use a round file of proper size for the chain Chain type 91VG 91PX File size 5 32 in 4 0 mm 0 025 0 64 mm Place the file on the cutter and push straight forward Keep the file position as illustrated After eac...

Page 13: ...a a d a a Be sure to round off the front edge to reduce the chance of kickback or tie strap breakage Make sure every cutter has the same length and edge angles as illustrated Guide Bar Reverse the bar occasionally to prevent partial wear The bar rail should always be square Check for wear of the bar rail Apply a ruler to the bar and the out Cutter length Filing angle Side plate angle Top plate cut...

Page 14: ...E WARRANTY PERIOD ANY WARRANTED PART WHICH IS SCHEDULED FOR REPLACEMENT AS REQUIRED MAINTENANCE SHALL BE WARRANTED FOR THE PERIOD OF TIME UP TO THE FIRST SCHEDULED REPLACEMENT POINT FOR THE PART ANY REPLACEMENT PART THAT IS EQUIVALENT IN PERFORMANCE AND DULABILITY MAY BE USED IN NON WARRANTY MAINTENANCE OR REPAIRS AND SHALL NOT REDUCE THE WARRANTY OBLIGATION OF THE COMPANY THE COMPANY IS LIABLE FO...

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