Owner Manual
Page 1
Instruction Manual PR5020 NOTE: Your product may differ slightly from the item shown. CAUTION: Do not use alternate fuels such as shown. Check tension on a new chain after the first 15 minutes of gasoline for a 50:1 mixture. Quick-Start Guide 1 6 Place right foot in rear handle as... synthetic 2-Cycle Oil with soil/dirt during operation. Pour into fuel tank. STARTING A WARM ENGINE 4+5+7+8 IMPORTANT: • Never let your chain tension prior to STOP position when finished using this product. Press red switch to each time you start the chainsaw. See the manual for 30...
Instruction Manual PR5020 NOTE: Your product may differ slightly from the item shown. CAUTION: Do not use alternate fuels such as shown. Check tension on a new chain after the first 15 minutes of gasoline for a 50:1 mixture. Quick-Start Guide 1 6 Place right foot in rear handle as... synthetic 2-Cycle Oil with soil/dirt during operation. Pour into fuel tank. STARTING A WARM ENGINE 4+5+7+8 IMPORTANT: • Never let your chain tension prior to STOP position when finished using this product. Press red switch to each time you start the chainsaw. See the manual for 30...
Owner Manual
Page 2
...repair establishment or individual. Maintenance, replacement, or repair of 2% (50:1). 50:1 gasoline to oil ratio. Contact of rotation. Lock chain brake. A-weighted sound pressure level at a ratio of the emission control devices and system may be avoided. The Emissions Compliance Period... referred to operate the chain saw holding it with applicable EAC directives. SYMBOLS This machine can cause serious injury. Chain oil fill. Please read the operator's manual carefully and make sure you ...
...repair establishment or individual. Maintenance, replacement, or repair of 2% (50:1). 50:1 gasoline to oil ratio. Contact of rotation. Lock chain brake. A-weighted sound pressure level at a ratio of the emission control devices and system may be avoided. The Emissions Compliance Period... referred to operate the chain saw holding it with applicable EAC directives. SYMBOLS This machine can cause serious injury. Chain oil fill. Please read the operator's manual carefully and make sure you ...
Owner Manual
Page 3
... for future reference. 2 1 3 6 7 4 5 8 9 10 12 11 1. 2. 3. 4. 5. 6. Front Hand Guard/Chain Brake Front Handle Starter Rope ON/STOP Switch Choke/Fast Idle Lever Chain 4 2 1 3 7. Drive Links 9. Bar Nuts 14. KNOW YOUR MACHINE READ THIS INSTRUCTION MANUAL AND SAFETY RULES BEFORE OPERATING YOUR... CHAIN SAW. Fuel Cap 12. Guide Bar 9. Bar & Chain Oil Cap 10. Chain Adjustment Tool (Bar Tool) 12. Chain Catcher 3 Clutch Cover 13. Muffler 8. Direction of the various controls and ...
... for future reference. 2 1 3 6 7 4 5 8 9 10 12 11 1. 2. 3. 4. 5. 6. Front Hand Guard/Chain Brake Front Handle Starter Rope ON/STOP Switch Choke/Fast Idle Lever Chain 4 2 1 3 7. Drive Links 9. Bar Nuts 14. KNOW YOUR MACHINE READ THIS INSTRUCTION MANUAL AND SAFETY RULES BEFORE OPERATING YOUR... CHAIN SAW. Fuel Cap 12. Guide Bar 9. Bar & Chain Oil Cap 10. Chain Adjustment Tool (Bar Tool) 12. Chain Catcher 3 Clutch Cover 13. Muffler 8. Direction of the various controls and ...
Owner Manual
Page 4
... in otherwise healthy people. and sound barriers (ear plugs or mufflers) to lose control when the cut . Always replace bar, chain, hand guard, or chain brake immediately if it cannot contact spark plug to blood vessel damage in a tree. PLANNING AHEAD • Read this tool and...their physical condition and the condition of these persons may result from one hand. Secure hair above shoulder length. • Make sure the chain will not make contact with any condition that is otherwise removed. • Exposure to the rear, preferably covered with a scabbard. •...
... in otherwise healthy people. and sound barriers (ear plugs or mufflers) to lose control when the cut . Always replace bar, chain, hand guard, or chain brake immediately if it cannot contact spark plug to blood vessel damage in a tree. PLANNING AHEAD • Read this tool and...their physical condition and the condition of these persons may result from one hand. Secure hair above shoulder length. • Make sure the chain will not make contact with any condition that is otherwise removed. • Exposure to the rear, preferably covered with a scabbard. •...
Owner Manual
Page 5
...Refer to the MAINTENANCE section for maintenance of the spark arresting screen. • Do not smoke while handling fuel or while operating the saw chain sharp and properly tensioned. Slowly remove fuel cap and refuel unit. • Store the unit and fuel in the opposite direction of chainsaw ... or hold the cut open flames, or work that could easily cause the operator to accidents. • Never let the moving saw chain stops moving chain contacts a foreign object in the wood in a noncombustible area, not on the rear handle when making bucking cuts. Eliminate or avoid...
...Refer to the MAINTENANCE section for maintenance of the spark arresting screen. • Do not smoke while handling fuel or while operating the saw chain sharp and properly tensioned. Slowly remove fuel cap and refuel unit. • Store the unit and fuel in the opposite direction of chainsaw ... or hold the cut open flames, or work that could easily cause the operator to accidents. • Never let the moving saw chain stops moving chain contacts a foreign object in the wood in a noncombustible area, not on the rear handle when making bucking cuts. Eliminate or avoid...
Owner Manual
Page 6
...together to ensure your saw back toward the front handle as far as possible (see illustration). NOTE: We do not rely only on a chain brake should use the saw . KICKBACK SAFETY FEATURES aa WARNING! You should be easily removed from the saw properly and carefully to reduce ... small radius tip which reduces the size of the saw . Always wear gloves when handling the chain. CHAIN BRAKE The chain brake is difficult to stop the chain in -line" position of saw . NOTE: Chain brake must follow all fasteners are included on your saw to help avoid kickback and other forces ...
...together to ensure your saw back toward the front handle as far as possible (see illustration). NOTE: We do not rely only on a chain brake should use the saw . KICKBACK SAFETY FEATURES aa WARNING! You should be easily removed from the saw properly and carefully to reduce ... small radius tip which reduces the size of the saw . Always wear gloves when handling the chain. CHAIN BRAKE The chain brake is difficult to stop the chain in -line" position of saw . NOTE: Chain brake must follow all fasteners are included on your saw to help avoid kickback and other forces ...
Owner Manual
Page 7
... shown in the bar groove. 13. Use the screwdriver end of the guide bar. 11. CHECKING THE TENSION Use the screwdriver end of the chain. Carefully remove the chain from the package. Slide guide bar on bar bolts until the adjustment pin (A) is located all drive links are finger tight only. Once... too tight. Now, install clutch cover making sure the adjustment pin is too loose, it is used to adjust the tension of the chain adjustment tool (bar tool) to be near the correct position. 7. This should allow the pin to move the adjustment pin up and down the screw. ...
... shown in the bar groove. 13. Use the screwdriver end of the guide bar. 11. CHECKING THE TENSION Use the screwdriver end of the chain. Carefully remove the chain from the package. Slide guide bar on bar bolts until the adjustment pin (A) is located all drive links are finger tight only. Once... too tight. Now, install clutch cover making sure the adjustment pin is too loose, it is used to adjust the tension of the chain adjustment tool (bar tool) to be near the correct position. 7. This should allow the pin to move the adjustment pin up and down the screw. ...
Owner Manual
Page 8
...oil designed to check for the oil system to assure fuel freshness. DO NOT operate the saw sitting in an upright position), but the chain still moves freely around guide bar to 10% maximum by volume (E-10). Lift up to ensure all links are finger tight against excessive... wear from the chain and/or discoloration of #1 Diesel Fuel or kerosene. FUEL HANDLING FUELING ENGINE aa WARNING: Remove fuel cap slowly when refueling. Before operation, gasoline...
...oil designed to check for the oil system to assure fuel freshness. DO NOT operate the saw sitting in an upright position), but the chain still moves freely around guide bar to 10% maximum by volume (E-10). Lift up to ensure all links are finger tight against excessive... wear from the chain and/or discoloration of #1 Diesel Fuel or kerosene. FUEL HANDLING FUELING ENGINE aa WARNING: Remove fuel cap slowly when refueling. Before operation, gasoline...
Owner Manual
Page 9
...rapidly 5 times. To start , refer to the STOP position. Press the primer 10 times. The bulb does need not to be cleared of the chain saw (or starting is flooded. Pull the choke lever out to turn without contacting any object. 1. Push the choke lever to break. Pull the ... FULL CHOKE; IMPORTANT: When pulling the starter rope, do not use . HELPFUL TIP: If your left hand. NOTE: Ensure chain brake is in the cold engine starting procedure. The chain saw . Lock the brake by moving the front hand guard forward. • Move ON/STOP switch to the full extent,...
...rapidly 5 times. To start , refer to the STOP position. Press the primer 10 times. The bulb does need not to be cleared of the chain saw (or starting is flooded. Pull the choke lever out to turn without contacting any object. 1. Push the choke lever to break. Pull the ... FULL CHOKE; IMPORTANT: When pulling the starter rope, do not use . HELPFUL TIP: If your left hand. NOTE: Ensure chain brake is in the cold engine starting procedure. The chain saw . Lock the brake by moving the front hand guard forward. • Move ON/STOP switch to the full extent,...
Owner Manual
Page 10
... and felling direction (3) in a particular direction. Repairs on one side. • Surrounding trees and obstacles. BRAKING FUNCTION CONTROL NOTE: The chain brake must be running . Grip the rear handle with your right hand and the front handle with the engine running when performing this procedure. ...can fall on the ground with your grip around the tree so you while cutting. Apply full throttle by turning your saw down . The chain should be made . Take your sawing operation in a particular direction include: • The wind direction and speed. • The lean...
... and felling direction (3) in a particular direction. Repairs on one side. • Surrounding trees and obstacles. BRAKING FUNCTION CONTROL NOTE: The chain brake must be running . Grip the rear handle with your right hand and the front handle with the engine running when performing this procedure. ...can fall on the ground with your grip around the tree so you while cutting. Apply full throttle by turning your saw down . The chain should be made . Take your sawing operation in a particular direction include: • The wind direction and speed. • The lean...
Owner Manual
Page 11
... opposite side of tree, the tree will tend to prevent dulling of fall into the notch. If using saw to remove buttress roots, keep saw chain from the tree. Cut through 1/3 of the diameter of footing and control. This is done by pulling out exposed and cleared logs first. • Make... notch cut on the side of the tree in a blown down the tree Overcutting begins on the underside of the notch. To avoid kickback and chain damage, use light downward pressure. Any portion can lose control of the saw resulting in the upper branches. Do not stand downhill of the log...
... opposite side of tree, the tree will tend to prevent dulling of fall into the notch. If using saw to remove buttress roots, keep saw chain from the tree. Cut through 1/3 of the diameter of footing and control. This is done by pulling out exposed and cleared logs first. • Make... notch cut on the side of the tree in a blown down the tree Overcutting begins on the underside of the notch. To avoid kickback and chain damage, use light downward pressure. Any portion can lose control of the saw resulting in the upper branches. Do not stand downhill of the log...
Owner Manual
Page 12
... the log. 2. BUCKING USING A LOG OR SUPPORT STAND LIMBING AND PRUNING aa WARNING! NOTE: Watch for and guard against kickback. Do not allow the moving chain to contact any position which can result in any other branches or objects at the nose of the log. Do not stand on the compression...
... the log. 2. BUCKING USING A LOG OR SUPPORT STAND LIMBING AND PRUNING aa WARNING! NOTE: Watch for and guard against kickback. Do not allow the moving chain to contact any position which can result in any other branches or objects at the nose of the log. Do not stand on the compression...
Owner Manual
Page 13
...or under pressure. Various adjustments will need to 2 inch) collar from the warranty, the operator must maintain the unit as you and the chain. Remove larger, supporting branches with a leaking oil tank. • ON/STOP Switch - LIMBING Always limb a tree after engine stops. ...cover items that are cutting. Do not use • Check fuel mixture level • Check bar lubrication • Check chain tension • Check chain sharpness • Check for damaged parts • Check for loose caps • Check for carburetor adjustments. MAINTENANCE aa WARNING...
...or under pressure. Various adjustments will need to 2 inch) collar from the warranty, the operator must maintain the unit as you and the chain. Remove larger, supporting branches with a leaking oil tank. • ON/STOP Switch - LIMBING Always limb a tree after engine stops. ...cover items that are cutting. Do not use • Check fuel mixture level • Check bar lubrication • Check chain tension • Check chain sharpness • Check for damaged parts • Check for loose caps • Check for carburetor adjustments. MAINTENANCE aa WARNING...
Owner Manual
Page 14
.... Clean more frequently in the OPERATION section. Remove air filter cover. 2. Reinstall air filter and reposition wire clamp. CHECK THE CHAIN BRAKE See CHAIN BRAKE in dusty conditions. CLEAN AIR FILTER aa WARNING: Do not clean filter in gasoline or other flammable solvent to restore square.... Remove air filter. 3. Replace guide bar when the groove is worn, the guide bar is sharpened. CHECK CHAIN SHARPNESS A sharp chain makes wood chips. Remove bar and chain from the guide bar and sprocket hole. Always clean your air filter with a clean dry cloth. Loosen knob ...
.... Clean more frequently in the OPERATION section. Remove air filter cover. 2. Reinstall air filter and reposition wire clamp. CHECK THE CHAIN BRAKE See CHAIN BRAKE in dusty conditions. CLEAN AIR FILTER aa WARNING: Do not clean filter in gasoline or other flammable solvent to restore square.... Remove air filter. 3. Replace guide bar when the groove is worn, the guide bar is sharpened. CHECK CHAIN SHARPNESS A sharp chain makes wood chips. Remove bar and chain from the guide bar and sprocket hole. Always clean your air filter with a clean dry cloth. Loosen knob ...
Owner Manual
Page 15
...parts. 8. Remove spark arresting screen. Tighten securely. 11. Pull off the spark plug boot. 3. Reinstall air filter cover. The chain must not move at the factory. Remove the cylinder cover. 4. REPLACE SPARK PLUG The spark plug should be necessary if you require...cylinder cover and 3 screws. Tighten knob securely. Remove air filter cover. 2. CARBURETOR ADJUSTMENT CLEANING THE SPARK ARRESTING SCREEN aa WARNING: The chain will not idle. Remove air filter cover. 3. Reinstall screw in the area above the primer bulb and is fixed and nonadjustable. 1. ...
...parts. 8. Remove spark arresting screen. Tighten securely. 11. Pull off the spark plug boot. 3. Reinstall air filter cover. The chain must not move at the factory. Remove the cylinder cover. 4. REPLACE SPARK PLUG The spark plug should be necessary if you require...cylinder cover and 3 screws. Tighten knob securely. Remove air filter cover. 2. CARBURETOR ADJUSTMENT CLEANING THE SPARK ARRESTING SCREEN aa WARNING: The chain will not idle. Remove air filter cover. 3. Reinstall screw in the area above the primer bulb and is fixed and nonadjustable. 1. ...
Owner Manual
Page 16
...fuel mixture. 4. Contact an authorized service dealer. 1. Engine will run only a few seconds after starting. Engine smokes excessively. Chain moves at idle speed. 1. Fuel not reaching carburettor. replace. See "Carburettor Adjustment" in STARTING AND STOPPING Section. 3. Contact... a load. Check for kinked or split fuel line; See "Carburettor Adjustment" in the TROUBLESHOOTING section. See "Resetting the Chain Brake" in the MAINTENANCE Section. 2. Ignition switch off. Contact an authorized service dealer. 1. Clutch requires repair. 1. Fuel...
...fuel mixture. 4. Contact an authorized service dealer. 1. Engine will run only a few seconds after starting. Engine smokes excessively. Chain moves at idle speed. 1. Fuel not reaching carburettor. replace. See "Carburettor Adjustment" in STARTING AND STOPPING Section. 3. Contact... a load. Check for kinked or split fuel line; See "Carburettor Adjustment" in the TROUBLESHOOTING section. See "Resetting the Chain Brake" in the MAINTENANCE Section. 2. Ignition switch off. Contact an authorized service dealer. 1. Clutch requires repair. 1. Fuel...
Owner Manual
Page 17
...any damaged, broken, or worn parts. 17 OTHER • Do not store petrol from water heaters, electric motors or switches, furnaces, etc. • Store chain saw well out of the reach of children. • At the beginning of the next season, use of fuel gum deposits during storage. The front... link will not be stored for 30 days or more. Replace any sharp object cannot accidentally cause injury. • Store chain saw with new one season to oil ratio. Fuel stabilizer is unlocked. Run engine at the end of 2-cycle engine oil through the spark plug...
...any damaged, broken, or worn parts. 17 OTHER • Do not store petrol from water heaters, electric motors or switches, furnaces, etc. • Store chain saw well out of the reach of children. • At the beginning of the next season, use of fuel gum deposits during storage. The front... link will not be stored for 30 days or more. Replace any sharp object cannot accidentally cause injury. • Store chain saw with new one season to oil ratio. Fuel stabilizer is unlocked. Run engine at the end of 2-cycle engine oil through the spark plug...
Owner Manual
Page 18
Note 2: Equivalent sound pressure level, according to ISO 22867, is a standard deviation of 1 dB (A). GUIDE BAR AND SAW CHAIN COMBINATIONS Model PR5020 Bar P/N 578133803 Length 20 in (50 cm) The following cutting attachments are approved for vibration levels under various working conditions. ...in the environment measured as the time-weighted energy total for the models covered in conformity with EC directive 2000/14/EC. TECHNICAL DATA PR5020 (LDAV50MC) Engine Cylinder displacement, cm3 Cylinder bore, mm Stroke, mm Idle speed, rpm Power, kW Ignition system Spark plug Electrode gap,...
Note 2: Equivalent sound pressure level, according to ISO 22867, is a standard deviation of 1 dB (A). GUIDE BAR AND SAW CHAIN COMBINATIONS Model PR5020 Bar P/N 578133803 Length 20 in (50 cm) The following cutting attachments are approved for vibration levels under various working conditions. ...in the environment measured as the time-weighted energy total for the models covered in conformity with EC directive 2000/14/EC. TECHNICAL DATA PR5020 (LDAV50MC) Engine Cylinder displacement, cm3 Cylinder bore, mm Stroke, mm Idle speed, rpm Power, kW Ignition system Spark plug Electrode gap,...
Parts List
Page 5
... 1 ISOLATOR FRONT ASSY 1 OIL CAP ASSEMBLY 1 FELLING DOG KIT SPIKE ASSEMBLY 1 9 SCREW 2 OIL VENT ASSEMBLY 1 SCREW M5.3814X22.225MM 2 CHAIN CATCHER 1 "KIT OIL PUMP, INCL. 1621" 1 16,17,18 ,19,20,2 1 OIL PICKUP ASSY. HOUSING Ref Part No Description 1 580... 9 530 01 64-39 SCREW 10 545033502 TBD 11 530 01 64-32 SCREW 12 530 02 98-50 CHAIN CATCHER 13 576 75 32-01 KIT 14 545 22 13-01 OIL 15 530 04 94-77 ELBOW 16... 21 02-01 SCREW 22 578 29 72-01 STRAP 23 545178801 TBD PR5020, 967061401, 967061501, 2016-04 Remark QTY KIT FUEL LINE KIT 12 NIPPLE FITTING -
... 1 ISOLATOR FRONT ASSY 1 OIL CAP ASSEMBLY 1 FELLING DOG KIT SPIKE ASSEMBLY 1 9 SCREW 2 OIL VENT ASSEMBLY 1 SCREW M5.3814X22.225MM 2 CHAIN CATCHER 1 "KIT OIL PUMP, INCL. 1621" 1 16,17,18 ,19,20,2 1 OIL PICKUP ASSY. HOUSING Ref Part No Description 1 580... 9 530 01 64-39 SCREW 10 545033502 TBD 11 530 01 64-32 SCREW 12 530 02 98-50 CHAIN CATCHER 13 576 75 32-01 KIT 14 545 22 13-01 OIL 15 530 04 94-77 ELBOW 16... 21 02-01 SCREW 22 578 29 72-01 STRAP 23 545178801 TBD PR5020, 967061401, 967061501, 2016-04 Remark QTY KIT FUEL LINE KIT 12 NIPPLE FITTING -
Parts List
Page 7
...34-01 STARTER HOUSING 44 530 01 58-77 BOLT 45 580 36 87-01 CHAIN GUIDE PLATE 46 580 36 88-01 CHAIN GUIDE PLATE 47 584 89 68-01 PLATE KIT - 587 55 92-01 DECAL PR5020, 967061401, 967061501, 2016-04 Remark QTY KIT SCREW 4 COVER REAR HANDLE WITH ... 1 PAWL 50cc Side Adjust 1 SCREW 1 "KIT Bar Adjust (incl 18-20, worm gears, washers)" 1 18,19,20 "BAR 20"" 3/8 72DL PPRO BN" 1 SAW CHAIN 20INCH 72V 72V070PN 1 SCREW 1 SCREW 3 SPRING ISO ASSY CYLINDER 1 SCREW SCREW M5.3814X22.225MM 4 HANDLE FRONT 1 CHASSIS ASSY 1 FLYWHEEL Assembly 50cc Fenglong 1 WASHER FLYWHEEL 1 ...
...34-01 STARTER HOUSING 44 530 01 58-77 BOLT 45 580 36 87-01 CHAIN GUIDE PLATE 46 580 36 88-01 CHAIN GUIDE PLATE 47 584 89 68-01 PLATE KIT - 587 55 92-01 DECAL PR5020, 967061401, 967061501, 2016-04 Remark QTY KIT SCREW 4 COVER REAR HANDLE WITH ... 1 PAWL 50cc Side Adjust 1 SCREW 1 "KIT Bar Adjust (incl 18-20, worm gears, washers)" 1 18,19,20 "BAR 20"" 3/8 72DL PPRO BN" 1 SAW CHAIN 20INCH 72V 72V070PN 1 SCREW 1 SCREW 3 SPRING ISO ASSY CYLINDER 1 SCREW SCREW M5.3814X22.225MM 4 HANDLE FRONT 1 CHASSIS ASSY 1 FLYWHEEL Assembly 50cc Fenglong 1 WASHER FLYWHEEL 1 ...