RedMax G3800AVS - Manual

 7  4. For safe operation 16. O p e r a t e t h e c h a i n s a w o n l y i n w e l l ventilated areas. Never start or run theengine inside a closed room or building.E x h a u s t f u m e s c o n t a i n d a n g e r o u scarbon monoxide. 17. Do not operate a chain saw in a tree unless specially tr...

A standard saw unit package contains the items asillustrated. (F1) (1) Power unit (2) Guide bar (3) Saw chain (4) Plug wrench (5) Screwdriver for carburetor adjustment Open the box and install the guide bar and the sawchain on the power unit as follows: The saw chain has very sharp edges. Use thickp...

6. Fuel and Chain oil  10  ■ RECOMMENDED MIXING RATIOGASOLINE 50:OIL 1(when using ZENOAH genuine oil) • Exhaust emission are controlled by the fundamental engine parameters andcomponents(eq., carburation, ignitiont i m i n g a n d p o r t t i m i n g ) w i t h o u taddition of any major hardware o...

6. Fuel and Chain oil  11  ■ CHAIN OIL Use motor oil SAE 10W-30 all year round, orSAE 30-40 in summer and SAE 20 in winter. Do not use waste or regenerated oil that cancause damage to the oil pump. NOTE again for at least one minute. As someoils may be difficult to agitate dependingon oil ingredie...

 12  It is very dangerous to run a chainsaw thatmounts broken parts or lacks any parts.Before starting engine, make sure that all thep a r t s i n c l u d i n g b a r a n d c h a i n a r e i n s t a l l e dproperly. ■ STARTING ENGINE 1. Fill fuel and chain oil tanks respectively, and tighten the c...

K e e p c l e a r o f t h e s a w c h a i n a s i t w i l l s t a r trotatIng upon starting of engine. ■ CHECKING OIL SUPPLY Make sure to set up the bar and the chain whenchecking the oil supply.If not, the rotating parts may be exposed. It isvery dangerous. After starting the engine, run the chain ...

 14  ■ CHAIN BRAKE This machine is equipped with an automatic braketo stop saw chain rotation upon occurrence ofkickback while in saw cutting operation. The brakeis automatically operated by inertial force whichacts on the weight fitted inside the front guard.This brake can also be operated manual...

7. Operation ■ STOPPING ENGINE 1. Release the throttle lever to allow the engine idling for a few minutes 2. Put the switch to the "O" (STOP) position. (F17) (1) Switch Carburetor anti-freeze mechanism Operating the chain saws in temperatures of 0–5°Cat times of high humidity may result in i...

• Before proceeding to your job, read "For Safe Operation" section It is recommendedto first practice sawing easy logs. This alsohelps you get accustomed to your unit. • Always follow the safety regulations. The c h a i n s a w m u s t o n l y b e u s e d f o r c u t t i n gwood. It is forbi...

A Log lying on the ground (F23) Saw down halfway, then roll the log over and cutfrom the opposite side. A Log hanging off the ground (F24) In area A, saw up from the bottom one-third andfinish by sawing down from the top. In area B, sawdown from the top one-third and finish by sawingup from the bott...

 20  9. Maintenance M a i n t e n a n c e , r e p l a c e m e n t , o r r e p a i r o f t h eemission control device and systems may bep e r f o r m e d b y a n y n o n - r o a d e n g i n e r e p a i restablishment or individual. Before cleaning, inspecting or repairing yourunit, make sure that e...

9. Maintenance 4. Others Check for fuel leakage and loose fastenings anddamage to major parts, especially handle jointsand guide bar mounting. If any defects are found,make sure to have them repaired before operatingagain. ■ PERIODICAL SERVICE POINTS 1. Cylinder fins Dust clogging between the cylind...

 22  4. Spark plug (F34) Clean the electrodes with a wire brush and resetthe gap to 0.65 mm as necessary. Champion RCJ-7Y 5. Sprocket (F35) Check for cracks and for excesslve wear interfenngw i t h t h e c h a i n d r i v e . I f t h e w e a r i n g i s f o u n dobviously, replace it with new one....

■ SAW CHAIN I t is very important for smooth and safe operation to keep the cutters always sharp. Your cutters need to be sharpened when: • Sawdust becomes powder-like. • You need extra force to saw in. • The cut way does not go straight. • Vibration increases. • Fuel consumption increases. Cutter s...

 24  10. Maintenance of Saw Chain and Guide Bar Make sure every cutter has the same length andedge angles as illustrated. (F38) (4) Cutter length (5) Filing angle (6) Side plate angle (7) Top plate cutting angle ■ GUIDE BAR • Reverse the bar occasionally to prevent partial wear. • The bar rail sho...

11. Troubleshooting Guide Case 1. Starting failure: Make sure the icing prevention system is not working. Case 2. Lack of power/Poor acceleration/Rough idling Case 3. Oil does not come out Check fuel for water or substandard mixture. Check for engine flooding. Check the spark. Check fuel for water o...

 26  1. Empty the fuel tank and run the engine out of fuel. 2. Empty the oil tank. 3. Clean the entire unit. 4. Store the unit in a dry place out of the reach of children. 12. Storage

 27  13. Parts list NOTE : 1. Use KOMATSU ZENOAH genuine parts as specified in the parts list for repair and/or replacement. 2. KOMATSU ZENOAH does not warrant the machines, which have been damaged by the use of any parts other than those specified by the company. 3. When placing parts orders for ...