Instruction/ maintenance manual of the product G3800AVS RedMax
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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.
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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.
2. Specifications ■ G3800AVS Power unit : Dis placement ··················································································· 2.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
• 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.
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.
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.
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.
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.
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.
■ 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.
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.
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.
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.
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.
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.
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.
Fig.3 CARBBURETOR COMPONENTS (S/N 001881 and up) Key# PART NUMBER DESCRIPTION Q'TY /UNIT NOTE 17 –––––––––– • • SCREEN – 18 –––––––––– • • VALVE,.
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 2670-911.
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.
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.
KOMA TSU ZENOAH AMERICA INC. 4344 Shackleford Road Suite 500 Norcross, Georgia 30093.
An important point after buying a device RedMax G3800AVS (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought RedMax G3800AVS yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data RedMax G3800AVS - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, RedMax G3800AVS you will learn all the available features of the product, as well as information on its operation. The information that you get RedMax G3800AVS will certainly help you make a decision on the purchase.
If you already are a holder of RedMax G3800AVS, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime RedMax G3800AVS.
However, one of the most important roles played by the user manual is to help in solving problems with RedMax G3800AVS. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device RedMax G3800AVS along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
