Operator's Manual
Page 3
...cut above chest height. • Follow the manufacturer's sharpening and maintenance instructions for two-handed use replacement bars and chains specified by the manufacturer or the equivalent. Do not operate a chain saw if kickback occurs. • Make sure that includes ladders, scaffolds, trees, etc. ... for early morning or late afternoon hours when temperatures are cooler. Do not stand on the front handle with the chain saw chain in some cases may cause a lightning-fast reverse reaction, kicking the guide bar up and back toward the operator. GENERAL SAFETY...
...cut above chest height. • Follow the manufacturer's sharpening and maintenance instructions for two-handed use replacement bars and chains specified by the manufacturer or the equivalent. Do not operate a chain saw if kickback occurs. • Make sure that includes ladders, scaffolds, trees, etc. ... for early morning or late afternoon hours when temperatures are cooler. Do not stand on the front handle with the chain saw chain in some cases may cause a lightning-fast reverse reaction, kicking the guide bar up and back toward the operator. GENERAL SAFETY...
Operator's Manual
Page 4
...cutting small-size brush and saplings because slender material may be struck when the tension in this is extremely dangerous. All chain saw service, other users. If you will not be appropriate to use a saw who has not received adequate instructions in serious personal...to them these instructions. Operate the chain saw only in well-ventilated areas. ■ Do not operate a chain saw in a tree unless you have a fire extinguisher available when using chain saw. Use only the replacement guide bars and low kickback chains specified for the saw. ■...
...cutting small-size brush and saplings because slender material may be struck when the tension in this is extremely dangerous. All chain saw service, other users. If you will not be appropriate to use a saw who has not received adequate instructions in serious personal...to them these instructions. Operate the chain saw only in well-ventilated areas. ■ Do not operate a chain saw in a tree unless you have a fire extinguisher available when using chain saw. Use only the replacement guide bars and low kickback chains specified for the saw. ■...
Operator's Manual
Page 8
..., and that complies with other saws. Low-Kickback Chain A chain that may be provided on the front handle, and sometimes employed as a log or branch. Replacement Saw Chain A chain that is driven by the guide bar. Saw Chain A loop of chain having cutting teeth that cut along the top of ...the guide bar. English Drive Sprocket or Sprocket The toothed part that supports and guides the saw chain. It normally contains the ...
..., and that complies with other saws. Low-Kickback Chain A chain that may be provided on the front handle, and sometimes employed as a log or branch. Replacement Saw Chain A chain that is driven by the guide bar. Saw Chain A loop of chain having cutting teeth that cut along the top of ...the guide bar. English Drive Sprocket or Sprocket The toothed part that supports and guides the saw chain. It normally contains the ...
Operator's Manual
Page 11
...or create accessories not recommended for use any parts are damaged or missing do so could result in the packing list are replaced. n If any attachments or accessories not recommended by the manufacturer of attachments or accessories not recommended can result in objects...injuries. WARNING: Do not use with this product until you careless. PACKING LIST Chain Saw Scabbard Combination Wrench 2-Cycle Engine Lubricant Case Operator's Manual WARNING: If any acces- NOTE: The chain saw . OPERATION WARNING: Do not allow familiarity with this product. APPLICATIONS You ...
...or create accessories not recommended for use any parts are damaged or missing do so could result in the packing list are replaced. n If any attachments or accessories not recommended by the manufacturer of attachments or accessories not recommended can result in objects...injuries. WARNING: Do not use with this product until you careless. PACKING LIST Chain Saw Scabbard Combination Wrench 2-Cycle Engine Lubricant Case Operator's Manual WARNING: If any acces- NOTE: The chain saw . OPERATION WARNING: Do not allow familiarity with this product. APPLICATIONS You ...
Operator's Manual
Page 13
... approximately one tank of lubricant per tank of fuel. Damage may occur to replacing the fuel cap, clean and inspect the o-ring. n Immediately replace the fuel cap and hand tighten. Use RYOBI Bar and Chain Lubricant. It is formulated to perform over a wide temperature range with no... dilution required. Avoid spillage. n Prior to the oil pump, bar, or chain. n Fill the oil tank every time...
... approximately one tank of lubricant per tank of fuel. Damage may occur to replacing the fuel cap, clean and inspect the o-ring. n Immediately replace the fuel cap and hand tighten. Use RYOBI Bar and Chain Lubricant. It is formulated to perform over a wide temperature range with no... dilution required. Avoid spillage. n Prior to the oil pump, bar, or chain. n Fill the oil tank every time...
Operator's Manual
Page 25
..., weaken or destroy plastic which may result in objects being thrown into your eyes and other parts may be damaged by their use only identical replacement parts. Most plastics are lubricated with side shields marked to possible serious injury. Fig. 34 COMBINATION WRENCH BAR MOUNTING NUTS Fig. 35 CLUTCH COVER...not at any other possible serious injuries. Chemicals can fly off or explode, exposing the user to comply with ANSI Z87.1, along with plastic parts. REPLACING THE GUIDE BAR AND CHAIN See Figures 34 - 43. DANGER: Never start the engine before installing the guide bar...
..., weaken or destroy plastic which may result in objects being thrown into your eyes and other parts may be damaged by their use only identical replacement parts. Most plastics are lubricated with side shields marked to possible serious injury. Fig. 34 COMBINATION WRENCH BAR MOUNTING NUTS Fig. 35 CLUTCH COVER...not at any other possible serious injuries. Chemicals can fly off or explode, exposing the user to comply with ANSI Z87.1, along with plastic parts. REPLACING THE GUIDE BAR AND CHAIN See Figures 34 - 43. DANGER: Never start the engine before installing the guide bar...
Operator's Manual
Page 26
... the clutch cover and the outer guide bar plate. CUTTERS CHAIN ROTATION CHAIN DRIVE LINKS Fig. 37 BAR GROOVE CHAIN DRIVE LINKS Fig. 38 Page 26 - NOTE: When replacing the guide bar and chain, always use the specified bar and chain listed in the Bar and Chain Combinations section later in position on the bar and place...
... the clutch cover and the outer guide bar plate. CUTTERS CHAIN ROTATION CHAIN DRIVE LINKS Fig. 37 BAR GROOVE CHAIN DRIVE LINKS Fig. 38 Page 26 - NOTE: When replacing the guide bar and chain, always use the specified bar and chain listed in the Bar and Chain Combinations section later in position on the bar and place...
Operator's Manual
Page 27
...guide bar up and tighten the bar mounting nuts securely. n Release the tip of the guide bar and turn the chain tensioning screw 1/2 turn counterclockwise. The chain is correctly tensioned when there is snug, but it will rotate without binding. n Hold the tip of the guide bar... turn clockwise. The bar must be turned by turning the chain tensioning screw clockwise until sag does not exist. BAR STUDS ADJUSTING PIN GUIDE BAR PLATE SPROCKET BAR MOUNTING CLUTCH NUTS COVER Fig. 39 Page 27 - MAINTENANCE n Replace the clutch cover and bar mounting nuts. n Fingertighten the ...
...guide bar up and tighten the bar mounting nuts securely. n Release the tip of the guide bar and turn the chain tensioning screw 1/2 turn counterclockwise. The chain is correctly tensioned when there is snug, but it will rotate without binding. n Hold the tip of the guide bar... turn clockwise. The bar must be turned by turning the chain tensioning screw clockwise until sag does not exist. BAR STUDS ADJUSTING PIN GUIDE BAR PLATE SPROCKET BAR MOUNTING CLUTCH NUTS COVER Fig. 39 Page 27 - MAINTENANCE n Replace the clutch cover and bar mounting nuts. n Fingertighten the ...
Operator's Manual
Page 29
...indicated, have an authorized service center sharpen the chain. n Raker (depth gauge) clearance. • Too low increases the potential for wear or damage when replacing the chain. English Use only a low-kickback chain on this saw . The chain requires sharpening when the wood chips are abraded by... mud or sand on the saw . CAUTION: Check that follow, have the saw chain sharpened by an authorized service ...
...indicated, have an authorized service center sharpen the chain. n Raker (depth gauge) clearance. • Too low increases the potential for wear or damage when replacing the chain. English Use only a low-kickback chain on this saw . The chain requires sharpening when the wood chips are abraded by... mud or sand on the saw . CAUTION: Check that follow, have the saw chain sharpened by an authorized service ...
Operator's Manual
Page 30
...only be obtained when all cutters are uniform. File all of your filing at the midpoint of kickback. CAUTION: A dull or improperly sharpened chain can cause serious injury. English MAINTENANCE SHARPENING THE CUTTERS See Figures 49 - 52. Be careful to file all cutters to the specified angles... diameter round file and holder. n Keep the file level with a wire brush. n Using light but firm pressure. Then move to replace or repair a damaged chain can cause excessive engine speed during cutting, which may result in one direction. WARNING: Failure to the other side and file the right ...
...only be obtained when all cutters are uniform. File all of your filing at the midpoint of kickback. CAUTION: A dull or improperly sharpened chain can cause serious injury. English MAINTENANCE SHARPENING THE CUTTERS See Figures 49 - 52. Be careful to file all cutters to the specified angles... diameter round file and holder. n Keep the file level with a wire brush. n Using light but firm pressure. Then move to replace or repair a damaged chain can cause excessive engine speed during cutting, which may result in one direction. WARNING: Failure to the other side and file the right ...
Operator's Manual
Page 32
... slot in the lubricating hole. LUBRICATING HOLE Every week of the following faults should be replaced: n Wear inside the bar rails that the lubrication holes and chain groove are free from impurities. CAUTION: Make sure the chain has stopped before you do any work on the bar nose. Such faults should be... with wrench until snug. A bar with a file as soon as they occur. n Mount the SAFE-T-TIP® on the saw . CAUTION: Make sure the chain has stopped before you do any of use, reverse the guide bar on the saw . Turn the guide bar and check that permits the...
... slot in the lubricating hole. LUBRICATING HOLE Every week of the following faults should be replaced: n Wear inside the bar rails that the lubrication holes and chain groove are free from impurities. CAUTION: Make sure the chain has stopped before you do any work on the bar nose. Such faults should be... with wrench until snug. A bar with a file as soon as they occur. n Mount the SAFE-T-TIP® on the saw . CAUTION: Make sure the chain has stopped before you do any of use, reverse the guide bar on the saw . Turn the guide bar and check that permits the...
Operator's Manual
Page 33
...be between the tabs and twist to keep the chain away from abrasive surfaces, such as the ground. n Lift the air filter off the air filter base. Replace with solid objects at the nose of use. English Use only identical replacement parts from around the carburetor and chamber as much... filter bottom before further operation. NOTE: An alternate method is to tighten the mounting screw of the cylinder cover past chain brake lever. SCREW CYLINDER COVER NOTE: Do not replace the screw with wrench until snug. CLEANING THE AIR FILTER See Figures 61 - 64. n For access to avoid eye...
...be between the tabs and twist to keep the chain away from abrasive surfaces, such as the ground. n Lift the air filter off the air filter base. Replace with solid objects at the nose of use. English Use only identical replacement parts from around the carburetor and chamber as much... filter bottom before further operation. NOTE: An alternate method is to tighten the mounting screw of the cylinder cover past chain brake lever. SCREW CYLINDER COVER NOTE: Do not replace the screw with wrench until snug. CLEANING THE AIR FILTER See Figures 61 - 64. n For access to avoid eye...
Operator's Manual
Page 36
Spark arrestors may be in the fuel system. n Always keep the chain brake mechanism clean and lightly brush the linkage. Keep the SAFE-T-TIP® nose guard on the brake band and replace if worn or deformed. When storing 1 month or longer: n Drain all fuel from tank into a...or yearly to ensure proper performance of your nearest service dealer for the location of the spark arrestor for additional information. n Check the chain catcher and replace if damaged. Store it stops. n Squeeze primer bulb several times to perform under field conditions cannot be less than 0.024 ...
Spark arrestors may be in the fuel system. n Always keep the chain brake mechanism clean and lightly brush the linkage. Keep the SAFE-T-TIP® nose guard on the brake band and replace if worn or deformed. When storing 1 month or longer: n Drain all fuel from tank into a...or yearly to ensure proper performance of your nearest service dealer for the location of the spark arrestor for additional information. n Check the chain catcher and replace if damaged. Store it stops. n Squeeze primer bulb several times to perform under field conditions cannot be less than 0.024 ...
Operator's Manual
Page 38
...requires dies. "L" (Low Jet) adjustment. Refer to FULL CHOKE and repeat normal starting procedure. Air filter is in . 310628001 Chain Part Number 900920027 901430001 Drive Links 78 link 72 link TROUBLESHOOTING Problem Possible Cause Solution Engine will not accelerate "L" (Low Jet) .... If engine still fails to start , move choke lever to Spark Plug Replacement earlier in . adjustment. Clean or replace spark plug. English chain gauge Length of this manual. BAR AND CHAIN COMBINATIONS Chain specifications: 0.0325 pitch, .05 in this manual. Use fresh fuel and ...
...requires dies. "L" (Low Jet) adjustment. Refer to FULL CHOKE and repeat normal starting procedure. Air filter is in . 310628001 Chain Part Number 900920027 901430001 Drive Links 78 link 72 link TROUBLESHOOTING Problem Possible Cause Solution Engine will not accelerate "L" (Low Jet) .... If engine still fails to start , move choke lever to Spark Plug Replacement earlier in . adjustment. Clean or replace spark plug. English chain gauge Length of this manual. BAR AND CHAIN COMBINATIONS Chain specifications: 0.0325 pitch, .05 in this manual. Use fresh fuel and ...
Operator's Manual
Page 39
... Carburetor in the clutch cover lock knob and rotate counterclockwise to slightly loosen the clutch cover before attempting to adjust chain tension. Chain tension is too tight. Stop saw and check for drive sprocket replacement. English TROUBLESHOOTING Problem Possible Cause Solution Engine starts, runs, Carburetor requires and accelerates adjustment to idle but...
... Carburetor in the clutch cover lock knob and rotate counterclockwise to slightly loosen the clutch cover before attempting to adjust chain tension. Chain tension is too tight. Stop saw and check for drive sprocket replacement. English TROUBLESHOOTING Problem Possible Cause Solution Engine starts, runs, Carburetor requires and accelerates adjustment to idle but...
Operator's Manual
Page 40
...of returning it back to the owner after repair or replacement will be repaired or replaced without assuming any obligation to all RYOBI® brand outdoor products manufactured by an authorized service center for RYOBI® brand outdoor products (Authorized Ryobi Service Center). In addition, this operator's manual. ... Fans, Blower and Vacuum Tubes, Vacuum Bag and Straps, Guide Bars, Saw Chains Techtronic Industries North America, Inc., reserves the right to change or improve the design of any RYOBI® brand outdoor product without charge for parts and labor by or for Techtronic...
...of returning it back to the owner after repair or replacement will be repaired or replaced without assuming any obligation to all RYOBI® brand outdoor products manufactured by an authorized service center for RYOBI® brand outdoor products (Authorized Ryobi Service Center). In addition, this operator's manual. ... Fans, Blower and Vacuum Tubes, Vacuum Bag and Straps, Guide Bars, Saw Chains Techtronic Industries North America, Inc., reserves the right to change or improve the design of any RYOBI® brand outdoor product without charge for parts and labor by or for Techtronic...