Related Manuals for Cub Cadet COMMERCIAL CS5720
Summary of Contents for Cub Cadet COMMERCIAL CS5720
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Page 1: Chain Saw
Professional Landscaping Tools CS5720 20” CHAIN SAW IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY DO NOT THROW AWAY... -
Page 2: Table Of Contents
We reserve the right to make changes at any time without notice. Service on this unit both within and after the warranty period should be performed only by a Cub Cadet Commercial dealer. Proof of purchase will be required for warranty service. -
Page 3: Important Safety Information
The purpose of safety symbols is to attract your attention to possible dangers. The safety symbols, and their explanations, deserve your careful attention and understanding. The safety warnings do not by themselves eliminate any danger. The instructions or warnings they give are not substitutes for proper accident prevention measures. SYMBOL MEANING SAFETY ALERT SYMBOL: Indicates danger,... -
Page 4: Kickback Safety Precautions
Safety (continued) • Avoid accidental starting. Be in the starting position whenever pulling the starter rope. The operator and unit must be in a stable position while starting. See Starting/Stopping Instructions. • Before you start the engine, make sure that the saw’s chain is not contacting anything. - Page 5 • Use caution when handling fuel. Move the chain saw at lest 10 feet (3 m) from the fueling point before starting the engine. • Do not allow other persons to be near the chain saw when starting or cutting with the chain saw. Keep bystanders and animals out of the work area.
- Page 6 Safety and International Symbols This operator's manual describes safety and international symbols and pictographs that may appear on this product. Read the operator's manual for complete safety, assembly, operating and maintenance and repair information. SYMBOL MEANING • SAFETY ALERT SYMBOL Indicates danger, warning, or caution.
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Page 7: Know Your Unit
Chain Saw Components 1 - Choke lever 2 - Throttle trigger 3 - Throttle trigger lockout 4 - Half throttle lock 5 - Carburetor adjustment screws 6 - Inertial brake lever 7 - Exhaust muffler 8 - Chain 9 - Guide bar 10 - Air filter cover 11 - On/off switch 12 - Fuel tank cap... -
Page 8: Fitting The Bar & Chain
Section 3 Fitting the Bar & Chain Check the chain tension frequently when operating the chain saw. Always use protective gloves. With the engine off, follow the ensuing instructions: • Pull the guard (Fig. 1) towards the front handle to check that the chain brake is not on. - Page 9 Fitting the Bar & Chain (continued) • Pay attention to the direction of rotation of the chain (Fig. 6). • Fit the chain cover and the relative nuts without tightening them. • Tension the chain by means of the tensioning screw (L, Fig.
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Page 10: Oil & Fuel
Section 4 Oil and Fuel UNLEADED GAS 2 CYCLE OIL (2%) 1 GALLON US 2.56 FL. OZ. (3.8 LITERS) (76 ml) 1 LITER 20 ml MIXING RATIO - 50:1 FUEL MIXTURE Refer to the values in Figure 9. Use a 2% (50:1) oil/gasoline mixture. Two-stroke engines have high specific horsepower and we therefore recommend the use of well- known, super gasoline, without lead and an octane... -
Page 11: Operation
Operate this unit only in a well-ventilated outdoor area. Carbon monoxide exhaust fumes can be lethal in a confined area. Avoid accidental starting. Make sure you are in the starting position when pulling the starter rope (Fig. 13). To avoid serious injury, the operator and unit must be in a stable position while starting. -
Page 12: Stopping The Engine
Operation (continued) STOPPING THE ENGINE Release the throttle lever and let the engine return to idle. (B, Fig. 15). Turn off the engine, putting the ON/OFF switch (A) in the STOP position. Do not put the chain saw on the ground when the chain is still moving. BREAKING-IN THE CHAIN New chains will stretch and must be tightened frequently. -
Page 13: Carburetor Adjustment
H – High speed adjustment screw L – Low speed needle T – Idle adjustment screw Carburetor Adjustment CARBURETOR Before adjusting the carburetor, clean the starter cover (Fig. 18), the air filter (Fig. 19) and warm up the engine. This engine is designed and manufactured in order to comply with the applicable Exhaust Emission Standards. -
Page 14: Kickback
Section 7 Kickback LOW KICKBACK SAW CHAIN The rakers (depth gauges) (Fig. 24) ahead of each cutter can minimize the force of a kickback reaction by preventing the cutters from digging in too deeply at the kickback zone. Only use replacement chain that is equivalent to original chain or has been certified as low kickback chain per ANSI B175.1 for your saw. -
Page 15: Chain Brake
Bar length 20” RECOMMENDED BAR & CHAIN COMBINATIONS Chains .375”x.058” Bar description .375 490-700-0006 INERTIAL CHAIN BRAKE The inertial chain brake ensures maximum safety when using the chain saw. It protects the operator from dangerous kickback which can occur during working phases. The chain brake can be actuated in two ways. -
Page 16: Cutting Techniques
Section 9 Cutting Techniques OPERATING INSTRUCTIONS Always follow the safety precautions. The chain saw must only be used for cutting wood. It is forbidden to cut other types of material. Vibrations and kickback vary with different materials; the safety requirements and regulations would not be respected. - Page 17 Now, make your felling cut on the opposite side of the trunk. Start the cut about 4-5 cm (2”) higher than the center of the notch (3 - Fig. 30). Always leave a hinge (A, Fig. 31 and 32) which allows you to control the direction the tree falls in.
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Page 18: Maintenance
Section 10 Maintenance Always wear protective gloves and eye protection during maintenance operations. Do not carry out maintenance when the engine is hot. CHAIN SHARPENING The pitch of the chain (Fig. 37) is .325”x.058” or 3/8”x.058”. Sharpen the chain using protective gloves and a round file of Ø... -
Page 19: Guide Bar
Maintenance (continued) GUIDE BAR The guide bar has a sprocket at its base that must be lubricated with grease using a lubrication syringe (Fig. 40). Reverse the guide bar every 8 working hours to ensure uniform wear. Keep the bar groove and lubrication hole clean using the bar groove cleaner (Fig. -
Page 20: Oil Pump (Automatic / Adjustable)
Maintenance (continued) FUEL FILTER Check the fuel filter periodically. Replace it if it is too dirty (Fig. 45). OIL PUMP (automatic / adjustable) Flow adjustment is pre-set by the manufacturer. Oil flow can be adjusted by the operator according to specific requirements. -
Page 21: Spark Arrestor
Maintenance (continued) CHAIN BRAKE Always wear safety glasses when performing maintenance on your saw. If the chain brake does not work properly, remove the bar clamp (chain cover) to inspect. Clean brake mechanism and related parts, removing woodchips, dust, excessive oil and foreign material. Use a brush or low volume compressed air. -
Page 22: Other Specifications
Section 11 Specifications ENGINE* Engine Type... Air-Cooled, 2-Cycle Displacement ... 56.5 cm Power... 3.1 kW Clutch Type ... Centrifugal Minimum RPM (no load RPM with bar and chain) ... 2500 - 2800 min Maximum RPM (no load RPM with bar and chain) ... 13000 - 13500 min Ignition Type... - Page 23 • In order to file a claim, go to your nearest Authorized Cub Cadet Service Center. Warranty services or repairs will be provided at all Authorized Cub Cadet Service Centers.
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Page 24: Warranty
MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by Cub Cadet Commercial LLC with respect to new merchandise purchased and used in the United States, its possessions and territories. Cub Cadet Commercial LLC warrants this product against...
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