Zenoah G455AVS manual

The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. WARNING OWNER / OPERA T OR MANUAL CHAINSA WS 2812-93112 (901) G455A VS  IMPORTANT: Before operating your RedMax product, read this manual carefully and completely.[...]

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Thank you for choosing our RedMax® chain saw . This manual will provide you with full understanding of the necessary instructions for assembly , operation and maintenance of the equipment. Please read it carefully before starting operation. For continued safe and reliable operation, use ONL Y original RedMax parts and accessories, Adhere to all no[...]

1. For Safe Operation 2 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. Wipe up[...]

3 1 6 . 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. 1 7 . 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 bar which occurs when the s[...]

The saw chain has very sharp edges. Use thick protective gloves for safety. 1. Loosen the nuts and remove the chain cover. 2. Install the attached spike to the power unit. 3. Gear the chain to the sprocket and, while fitting the saw chain around the guide bar, mount the guide bar to the power unit, Then adjust the position of chain tensioner nut on[...]

■ FUEL The RedMax engines are lubricated by oil specially formulated for air-cooled 2-cycle gasoline engine use. If RedMax oil is not available, use an anti-oxidant added quality oil expressly labeled for air-cooled 2-cycle engine use. RECOMMENDED MIXING RATIO GASOLINE 32 : OIL 1 Exhaust emission are controlled by the fundamental engine parameter[...]

Starting engine 1 . Fill fuel and chain oil tanks respectively, and tighten the caps securely. 2. Tilt the switch lever upward. 3. While holding the throttle lever together with the throttle interlock, push in the side latch and release the throttle lever to hold it at the starting position. 4. Pull out the choke knob to the closed position. Note: [...]

5 . While holding the saw unit securely on the ground, pull the starter rope vigorously. Do not start the engine while hanging the chain saw with a hand. The saw chain may touch your body. It's very dangerous. 6. When engine has ignited first, push in the choke knob and pull the starter again to start the engine. 7 . Allow the engine to warm u[...]

1. H and L needles are restricted within the number of turn as shown below, because this engine conforms to 1995 California regulations for utility and lawn and garden equipment engines as applicable. H needle: 1 / 4 L needle: fixed 2 . Start engine and allow it to warm up in low speed for a few minutes. 3. Turn idle adjusting screw (T) countercloc[...]

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 gurd. This brake can also be operated manually with the front guard turned down to the guide bar. T[...]

NOTE: • 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. • It is not necessary to force the saw into the cut. Apply only light pressure while running the engine at full throttle. • Racing the engine with the chain seized[...]

1. Decide the felling direction considering the wind, Iean 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 felling cut from the opposite s[...]

6. Maintenace Before cleaning, inspecting or repairing your unit, make sure that engine has stopped and is cool. Disconnect the spark plug to prevent accidental starting. A. 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, spli[...]

B. Periodical service points 1. Cylinder fins Dust clogging between the cylinder fins will cause overheating of the engine. Periodically check and clean the cylinder fins after removing the air cleaner and the cylinder cover. When installing the cylinder cover, make sure that switch wires and grommets are positioned correctly in place. 2. Fuel filt[...]

A. Saw Chain It 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 safety[...]

After every cutter has been set, check the depth gauge and file it to the proper level as illustrated. 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 shown below. 15[...]

B. Guide Bar • Reverse the bar occasionally to prevent partial wear. • The bar rail should always be a square. Check for wear of the bar rail. Apply a ruler to the bar and the outside of a cutter. If a gap is observed between them, the rail is normal. Otherwise, the bar rail is worn. Such a bar needs to be corrected or replaced. 16 WARNING: Thi[...]

Check fuel for water or incorrect mixture. Replace with proper fuel. Check engine for flooding. Remove and dry the spark plug. Repeat pulling starter with no choke. Remove spark plug and check for correct sparking. Replace with a new plug. 8. T roubleshooting Guide 17 Case 1. Starting failure: Check fuel for water or incorrect mixture. Replace with[...]

9. Specifications Model G455AVS Power unit: Dis placement cc (cu. in.) 45.0 (2. 75) Fuel Mixture (Gasoline 32: Two-cycle oil 1) Fuel tank capacity cc (pints) 550 (1.17) Chain oil Motor oil SAE#10W-30 Oil tank capacity cc (pints) 260 (0.55) Carburetor Diaphragm type (Walbro WT) Ignition system C.D.I. with timing advance function Spark plug Champion [...]

10. 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 name and th[...]

10. Parts List : G455A VS 20[...]

21[...]

Key# Part Number Description Q'ty NOTE 1 2670-12112 CYLINDER 1 2 2810-14110 INLET PIPE 1 3 2817-14121 GASKET 1 ✻ 1 4 2670-14130 SCREW 2 5 2880-14150 GUIDE 1 6 2670-14311 BRACKET 1 7 2670-14320 SCREW 2 8 2880-14350 SPACER 1 9 2880-14360 GASKET 1 10 2670-14211 GASKET 1 ✻ 1 11 2850-14220 BOLT 4 12 2810-15220 BOLT 2 13 2850-15230 NUT 2 14 2812[...]

Key# Part Number Description Q'ty NOTE 107 2880-35211 DAMPER 2 108 3350-35170 BOLT 2 109 2880-35250 CAP 2 110 2810-31115 CYLINDER COVER 1 111 2670-14320 SCREW 5 112 3359-83340 LABEL 1 113 2810-83305 CLEANER COVER COMP. 1 114 3356-83322 KNOB 1 115 3388-83340 GASKET 1 116 2810-83500 CLEANER COMP. 1 117 2810-83520 SEAL 1 118 1600-33130 SCREW 1 11[...]

10. Parts List : G455A VS 24[...]

25 ✻ 1 Special tools (Opt. Part) Key# Part Number Description Q'ty NOTE 1 2812-81000 CARBURETOR ASS’Y – 2 3306-81380 SCREEN 1 3 2810-81120 COVER 1 4 3310-81130 SCREW 1 5 ––––––––– ––––––– – 6 2812-06020 GASKET KIT 1 7 ––––––––– ––––––– – 8 ––––––––– –[...]

THE CALIFORNIA AIR RESOURCES BOARD AND KOMATSU ZENOAH Co. ARE PLEASED TO EXPLAIN THE EMISSION CONTROL SYSTEM WARRANTY ON YOUR 1995 AND LATER LAWN AND GARDEN EQUIPMENT ENGINE. IN CALIFORNIA, NEW UTILITY AND LAWN AND GARDEN EQUIPMENT ENGINES MUST BE DESIGNED, BUILT AND EQUIPPED TO MEET THE STATE'S STRINGENT ANTI-SMOG STANDARDS. KOMATSU ZENOAH Co[...]

RedMax CHAIN SAW MODELS G455AVS 1-YEAR LIMITED WARRANTY KOMATSU ZENOAH AMERICA INC. 1505 Pavilion Place Suite A Norcross, Georgia 30093  EMISSION-RELATED PARTS, FOR TWO (2) YEARS FROM THE DATE OF ORIGINAL DELIVERY OF THE MODEL G455AVS UNIT, KOMATSU ZENOAH AMERICA INC. (THE COMPANY), THROUGH ANY RedMax DEALER, WILL REPAIR OR REPLACE, FREE OF CHAR[...]

KOMATSU ZENOAH AMERICA INC. 1505 Pavilion Place Suite A Norcross, Georgia 30093  Printed in Japan[...]