RedMax G3800AVS manual

OWNER / OPERA T OR MANUAL CHAINSA WS T2108-93110 (606) The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. W ARNING Before using our products, please read this manual carefully to understand the proper use of your unit. W ARNING APPLICABLE SERIAL NUMBERS[...]

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SAFETY FIRST Instructions contained in warnings within this manual marked with a symbol concern critical points which must be taken into consideration to prevent possible serious bodily injury, and for this reason you are requested to read all such instructions carefully and follow them without fail. ■ WARNINGS IN THE MANUAL This mark indicates i[...]

2. Specifications ■ G3800AVS Power unit : Dis placement ··················································································· 2.34(37.2) cu-in(cm 3 ) Fuel ················································[...]

3. Symbols on the machine  5  Made in Japan RedMax IMPORT ANT ENGINE INFORMA TION THIS ENGINE CONFORMS T O US EP A PH1 FOR SMALL OFF-RO AD ENGINES. ENGINE F AMIL Y : 5KZXS. 0374BC:EM ENGINE DISPLACEMENT : 37cc REFER T O OWNER'S MANUMAL FOR MAINTE- NANCE SPECIFICA TIONS AND ADJUSTMENTS. MANUF ACTURED : INFORMA TION IMPORT ANTE CONCERNANT [...]

 6  4. For safe operation 1. Never operate a chain saw when you are fatigued, ill, or upset, or under the influence of medication that may make you drowsy, or if you are under the influence of alcohol or drugs. 2. Use safety footwear, snug fitting clothing and eye, hearing and head protection devices. 3. Always use caution when handling fuel.[...]

 7  4. For safe operation 16. Operate the chain saw only in well ventilated areas. Never start or run the engine inside a closed room or building. Exhaust fumes contain dangerous carbon monoxide. 17. Do not operate a chain saw in a tree unless specially trained to do so. 18. Guard against kickback. Kickback is the upward motion of the guide b[...]

A standard saw unit package contains the items as illustrated. (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 saw chain on the power unit as follows: The saw chain has very sharp edges. Use thick protective gloves for safety. 1. Pull the guard [...]

5. Installing guide bar and saw chain  9  7. Tighten the tensioner screw. (2) Loosen (3) Tighten (4) Tensioner screw A new chain will expand its length in the beginning of use. Check and readjust the tension frequently as a loose chain can easily derail or cause rapid wear of itseif and the guide bar. NOTE[...]

6. Fuel and Chain oil  10  ■ RECOMMENDED MIXING RATIO GASOLINE 50:OIL 1 (when using ZENOAH genuine oil) • Exhaust emission are controlled by the fundamental engine parameters and components(eq., carburation, ignition timing and port timing) without addition of any major hardware or the introduction of an inert material during combustion. [...]

6. Fuel and Chain oil  11  ■ CHAIN OIL Use motor oil SAE 10W-30 all year round, or SAE 30-40 in summer and SAE 20 in winter. Do not use waste or regenerated oil that can cause damage to the oil pump. NOTE again for at least one minute. As some oils may be difficult to agitate depending on oil ingredients, sufficient agitation is necessary f[...]

 12  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 ENGINE 1. Fill fuel and chain oil tanks respectively, and tighten the caps securely. (F7) 2. Put the switch to "I" position. (F8) ([...]

Keep clear of the saw chain as it will start rotatIng upon starting of engine. ■ CHECKING OIL SUPPLY Make sure to set up the bar and the chain when checking the oil supply. If not, the rotating parts may be exposed. It is very dangerous. After starting the engine, run the chain at medium speed and see if chain oil is scattered off as shown in the[...]

 14  ■ CHAIN BRAKE This machine is equipped with an automatic brake to stop saw chain rotation upon occurrence of kickback while in saw cutting operation. The brake is automatically operated by inertial force which acts on the weight fitted inside the front guard. This brake can also be operated manually with the front guard turned down to [...]

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°C at times of high humidity may result in ice forming within the carburetor, and this[...]

 16  7. Operation ■ HOW TO SWITCH BETWEEN OPERATING MODES (F19) 1. Flip the engine switch to turn off the engine. 2. Remove the cover to the air filter, remove the air filter, and then remove the choke knob from the cylinder cover. 3. Loosen the screws holding the cylinder cover in place (i.e., the three screws on the inside and the one scr[...]

• Before proceeding to your job, read "For Safe Operation" section It is recommended to first practice sawing easy logs. This also helps you get accustomed to your unit. •A lways follow the safety regulations. The chain saw must only be used for cutting wood. It is forbidden to cut other types of material. Vibrations and kickback vary[...]

 18  ■ FELLING A TREE (F22) 1. Decide the felling direction considering the wind, lean of the tree, location of heavy branches, ease of job after felling and other factors. 2. While clearing the area around the tree, arrange a good foothold and retreat path. 3. Make a notch cut one-third of the way into the tree on the felling side. 4. Make[...]

A Log lying on the ground (F23) Saw down halfway, then roll the log over and cut from the opposite side. A Log hanging off the ground (F24) 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 bottom. Cutting Limb of Fallen Tree (F25) First ch[...]

 20  9. Maintenance Maintenance, replacement, or repair of the emission control device and systems may be performed by any non-road engine repair establishment or individual. Before cleaning, inspecting or repairing your unit, make sure that engine has stopped and is cool. Disconnect the spark plug to prevent accidental starting. ■ MAINTENA[...]

9. Maintenance 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 again. ■ PERIODICAL SERVICE POINTS 1. Cylinder fins Dust clogging between the cylinder fins will cause overheating of the engine[...]

 22  4. Spark plug (F34) Clean the electrodes with a wire brush and reset the gap to 0.65 mm as necessary. Champion RCJ-7Y 5. Sprocket (F35) Check for cracks and for excesslve wear interfenng with the chain drive. If the wearing is found obviously, replace it with new one. Never fit a new chain on a worn sprocket, or a worn chain on a new spr[...]

■ 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 setting standards: Be sure to wear safe[...]

 24  10. Maintenance of Saw Chain and Guide Bar Make sure every cutter has the same length and edge 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 should always be a square. Check for wear [...]

11 . T roubleshooting 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 or substandard mixture. Check air filter and fuel[...]

 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 repair and/or replacement, check if the model [...]

 28  G3800A VS 13. Parts list Fig.1 POWER UNIT (S/N 001881 and up)[...]

 29  G3800A VS Fig.1 POWER UNIT (S/N 001881 and up) Key# PART NUMBER DESCRIPTION Q'TY /UNIT NOTE 51 848-C40-5121 Clutch ass’y 1 52 2870-51230 • Spring 1 53 2850-51211 Plate 1 56 848-C40-6701 Oil pump ass’y 1 57 848-C40-67A1 • Oil pump 1 58 2850-55121 • Worm 1 59 T2100-55610 Cover, pump 1 60 2670-55410 Screw M4x14 4 61 2850-5521[...]

G3800A VS 13. Parts list Fig.2 POWER UNIT (S/N 001881 and up)  30 [...]

G3800A VS Fig.2 POWER UNIT (S/N 001881 and up) Key# PART NUMBER DESCRIPTION Q'TY /UNIT NOTE 50 2872-54230 • Spring 1 51 2851-54260 • Stopper plate 1 52 2851-54270 • Spring 1 53 3330-75411 • Washer ø5.2xø23x1.2 1 54 3310-53331 • Nut (B) R:M8x0.8 1 55 2850-54626 • Spring cover (Black) 1 56 2670-54630 • Screw TP4x12 2 57 2851-5430[...]

Fig.3 CARBBURETOR COMPONENTS (S/N 001881 and up) Key# PART NUMBER DESCRIPTION Q'TY /UNIT NOTE 17 –––––––––– • • SCREEN – 18 –––––––––– • • VALVE, inlet – 19 –––––––––– • • SPRING – 20 –––––––––– • • PIN – 21 –––––––––– ?[...]

 33  G3800A VS Fig.4 ACCESSORIES (S/N 001881 and up) Key# PART NUMBER DESCRIPTION Q'TY /UNIT NOTE Key# PART NUMBER DESCRIPTION Q'TY /UNIT NOTE 1 3320-91140 Plug 13x19 1 (OP) 2 2670-91150 Driver 1 (OP) 3 Oregon 10014 Bar 16” 1 4 Oregon double- Chain 1 guard 91VG56X 5 Oregon 28734 Protecter 1 (OP) 6 T2100-06010 Gasket kit 1 (OP) 7 2[...]

KOMATSU ZENOAH AMERICA INC. 4344 Shackleford Road Suite 500 Norcross, Georgia 30093 EMISSION-RELATED PARTS, FOR TWO (2) YEARS FROM THE DATE OF ORIGINAL DELIVERY, RedMax / KOMATSU ZENOAH AMERICA, INC., THROUGH ANY RedMax DEALER, WILL REPAIR OR REPLACE, FREE OF CHARGE, FOR THE ORIGINAL AND EACH SUBSEQUENT PURCHASER, ANY PART OR PARTS FOUND TO BE DEFE[...]

KOMATSU ZENOAH AMERICA INC. 4344 Shackleford Road Suite 500 Norcross, Georgia 30093 Pièces en rapport avec les émissions de gaz d'échappement : RedMax / KOMATSU ZENOAH AMERICA INC., par l'intermédiaire de n'importe quel revendeur RedMax, réparera gratuitement ou remplacera gratuitement pour l'acheteur initial et chaque ache[...]

KOMA TSU ZENOAH AMERICA INC. 4344 Shackleford Road Suite 500 Norcross, Georgia 30093[...]