John Deere PS04120 Chain Saw Operator Manual & Service Guide PDF (EN)

JOHN DEERE WORLDWIDE COMMERCIAL & CONSUMER EQUIPMENT DIVISION Powerhead - PA01186 Powerhead - PA01187 CS71 20” - UT10919 CS81 20” - UT10923 CS71 24” - UT10920 CS81 24” - UT10924 CS71 28” - UT10921 CS81 28” - UT10925 Chain Saws OPERATOR’S MANUAL OM PS04120 Revision C

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INTRODUCTION Thank You for Purchasing a John Deere Product We appreciate having you as a customer and wish you many years of safe and satisfied use of your machine. Record your Identification numbers below. Be sure you have Serial Number and Unit (UT) Number, your dealer will need these when you order parts. UT Number _________________________________ The Operator's Manual Your operator's manual is for your protection. READ IT. Keep it handy for reference. Know what you are doing before you begin assembly of the unit. Proper prepara- tion and upkeep go hand-in-hand with satisfactory per- formance of the saw and safety.

Model _____________________________________ This manual should be considered a permanent part of your machine and should remain with the machine if you sell it. Serial Number_______________________________ WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproduc- tive harm. CALIFORNIA PROPOSITION 65 All information, illustrations and specifications in this manual may vary according to Country requirements and are subject to change without notice by the manufacturer. All information, illustrations and specifications in this manual are based on the latest information at the time of publication.

The right is reserved to make changes at any time without notice. ©2000 Deere & Co. 2 English

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TABLE OF CONTENTS Product Identification Chain Saw Components ...............................................................................................................................4 Safety Understanding Safety Labels........................................................................................................................5 State and Local Requirements......................................................................................................................5 Precautions Against Kickback .......................................................................................................................6 Basic Safety Precautions ..............................................................................................................................6 Understanding Your Chain Saw Safety Devices............................................................................................8 Assembly Assembling the Bar and Chain......................................................................................................................9 Operation Chain Tension ............................................................................................................................................11 Breaking-in the Chain .................................................................................................................................11 Bucking Spike.............................................................................................................................................11 Fueling .......................................................................................................................................................12 Chain Oil System ........................................................................................................................................12 Starting the Engine .....................................................................................................................................13 Breaking-in the Engine................................................................................................................................13 Stopping the Engine....................................................................................................................................13 Carburetor Adjustment................................................................................................................................13 Chain Brake Operation ...............................................................................................................................14 Preparation for Cutting................................................................................................................................15 Tree Felling ................................................................................................................................................16 Bucking ......................................................................................................................................................17 Limbing and Pruning...................................................................................................................................18 Maintenance Maintenance Chart .....................................................................................................................................19 Chain Maintenance.....................................................................................................................................20 Guide Bar Maintenance ..............................................................................................................................21 Installing the Safe-T-Tip® Nose Guard........................................................................................................22 Fuel Filter ...................................................................................................................................................22 Air Filter ......................................................................................................................................................22 Starter Unit .................................................................................................................................................22 Engine ........................................................................................................................................................23 Spark Plug..................................................................................................................................................23 Spark Arresting Muffler ...............................................................................................................................23 Chain Brake................................................................................................................................................24 Oil Pump (Automatic/Adjustable).................................................................................................................24 Bar and Chain Combinations Recommended Bar and Chain Combinations..............................................................................................25 Troubleshooting Using Troubleshooting Chart ......................................................................................................................26 Storage Storing Chain Saw (1 month or longer).......................................................................................................27 Technical Data CS71 ..........................................................................................................................................................27 CS81 ..........................................................................................................................................................27 Warranty Limited Warranty ........................................................................................................................................28 Federal Emissions Warranty .......................................................................................................................29 3 English

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PRODUCT IDENTIFICATION Chain Saw Components 1 - Throttle Trigger Lockout 2 - Half Throttle Lock 3 - Carburetor Adjustment Screws 4 - Front Handle 5 - Chain Brake Lever / Hand Guard 6 - Muffler 7 - Safe-T-Tip® 8 - Compression Relief Valve 9 - Clutch Cover 10 - Choke Lever 11 - Throttle Trigger 12 - Rear Handle 13 - Chain 14 - Guide Bar 15 - Air Filter Cover 16 - Ignition Switch 17 - Fuel Tank Cap 18 - Starter Handle 19 - Oil Tank Cap 20 - Combination Wrench 4 3 5 2 6 1 7 12 10 8 11 9 13 15 14 16 20 18 19 17 4 English

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