OPTIONAL ATTACHMENTS & ACCESSORIES Accessories 103942147 89850308032 89850308033 99988800207 99988800308 99988801205 CS Carry Bag Bar & Chain Cover - 17" Bar & Chain Cover - 20" CS Removable Nose Case CS Lanyard Strap w_Ring CS Fixed Nose Case PARTS CATALOG CS-520 Chain Saw 50.1cc MODEL:SERIAL NUMBERS CS-520: S/N: C09312001001 - C09312999999 Guide Bars 16A0MD3366 18A0MD3372 20A0MD3378 Guide Bar - 16" (.050" Ga) -- Micro-Lite Pro Guide Bar - 18" (.050" Ga) -- Micro-Lite Pro Guide Bar - 20" (.
Table of Contents Part Number Index Table of Contents Click Any Diagram Desciption Below To Veiw That Diagram. CS-520 S/N: C09312001001 - C09312999999 Cylinder Cover, Intake, Fuel System, Ignition Switch...................................................................................................4 Carburetor -- WT-594........................................................................................................................................................6 Exhaust........................
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Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Cylinder Cover, Intake, Fuel System, Ignition Switch -4- REVISED 03/19/08
Table of Contents CS-520 Chain Saw ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Cylinder Cover, Intake, Fuel System, Ignition Switch PART NUMBER QTY DESCRIPTION P021007150 1 LID, CLEANER A235000000 1 KNOB, AIR CLEANER LID 13033832430 1 PLUG A160000202 1 COVER, CYLINDER 16389038330 3 SCREW 5 10152035430 1 DEFLECTOR, HEAT 13001639930 1 GASKET, INTAKE 13051039932 1 ADAPTER, INTAKE 90023805012 2 SCREW 5X12 13000038331 1 INSULATOR KIT V420001130 1 CUSHION 1300
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Carburetor -- WT-594 -6- REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw Carburetor -- WT-594 ITEM PART NUMBER QTY DESCRIPTION 0 A021000220 1 CARBURETOR -- WT-594 1 12313002960 4 SCREW, METERING DIAPHRAGM COVER 2 12314203930 1 COVER, METERING DIAPHRAGM 3 -----------------1 BODY, CARBURETOR1 4 P003000150 1 SHAFT, CHOKE 5 12314926030 1 WASHER 6 P003000160 1 LEVER, FAST IDLE 7 P003000140 1 SPRING, CHOKE RETURN 8 12311403930 1 SCREW, CHOKE VALVE 9 P003000230 1 VALVE CHOKE 10 12312715030 1 CLIP, CHOKE SHAFT 11 P003000010 2 CAP,
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Exhaust -8- REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw ITEM 1 2 3 4 5 6 7 8 Exhaust PART NUMBER QTY DESCRIPTION P021006591 1 MUFFLER ASY 14551035431 1 GASKET, EXHAUST 14588439330 1 SCREEN A303000050 1 GUIDE, EXHAUST 90025004008 2 SCREW 4X8 90010504006 1 SCREW 4X6 14571160631 1 PLATE 90010505014 2 SCREW 5X14 99922204144 REMARKS INCLUDES ITEMS 2-5 -9- REVISED 03/19/08
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Starter - 10 - REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Starter PART NUMBER QTY DESCRIPTION 90023805018 4 SCREW 5X18 17720039335 1 STARTER ASY X502000010 1 LABEL - ECHO 17722737930 1 GUIDE, ROPE 90029603014 1 SCREW 3X14 17722835430 1 GRIP, STARTER 17722035430 1 SPRING, REWIND 17722138330 1 PLATE, STARTER 17721538330 1 DRUM, STARTER 17722638330 1 ROPE, STARTER - 3.
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Ignition - 12 - REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 Ignition PART NUMBER QTY DESCRIPTION A411000031 1 COIL, IGNITION 90016204030 2 SCREW 4X30 16201038332 1 LEAD, GROUND C483000000 1 BOOT, CONNECTOR 90022004006 1 SCREW 4X6 V135000010 1 GROMMET A427000012 1 CAP, SPARK PLUG A426000010 1 TERMINAL, SPARK PLUG CAP 15901010630 1 SPARK PLUG -- BPM-7A A425000000 1 SPARK PLUG -- BPMR-8Y A409000030 1 FLYWHEEL 90051500008 1 NUT 8 10014230830 1 WOODRUFF KEY 99922204144 - 13 - R
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Chain Brake - 14 - REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Chain Brake PART NUMBER QTY DESCRIPTION 43310039037 1 CHAIN BRAKE ASY 43320139031 1 BRAKE LEVER ASY 90050000004 2 NUT 4 43317139330 1 WEIGHT, BRAKE 90023804018 2 SCREW 4X18 9131805032 1 SCREW 5X32 43316739130 2 SPACER 43311438331 1 SPRING 90056250005 1 FLANGE NUT 5 90033030240 1 PIN 3X24 P021001280 1 SPROCKET GUARD ASY 43300539334 1 GUARD,
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Guide Bar, Sawing Chain, Kick Guard - 16 - REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw ITEM 1 2 2 2 3 3 3 Guide Bar, Sawing Chain, Kick Guard PART NUMBER QTY DESCRIPTION 2893201 1 KICK GUARD KIT 16A0MD3366 1 GUIDE BAR - 16" -- MicroLite Pro 18A0MD3372 1 GUIDE BAR - 18" -- MicroLite Pro 20A0MD3378 1 GUIDE BAR - 20" -- Micro-Lite Pro 95VP66G 1 SAWING CHAIN - 16" -- Micro-Lite 95VP72G 1 SAWING CHAIN - 18" -- Micro-Lite 95VP78G 1 SAWING CHAIN - 20" -- Micro-Lite 99922204144 - 17 - REMARKS GAUGE: .050" GAUGE: .050" GAUGE: .050" GAUGE: .
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Clutch - 18 - REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw ITEM 1 2 3 4 5 6 7 8 9 Clutch PART NUMBER QTY DESCRIPTION P021007070 1 CLUTCH ASY A552000050 1 HUB, CLUTCH P021007050 1 CLUTCH SHOE SET V451000500 3 SPRING, CLUTCH A551000060 1 PLATE, CLUTCH A556000020 1 DRUM, CLUTCH V557000010 1 BEARING, NEEDLE 17511412530 1 SPROCKET, RIM A551000000 1 PLATE, CLUTCH 99922204144 REMARKS INCLUDES ITEMS 2-5 - 19 - REVISED 03/19/08
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Handles, Throttle Control - 20 - REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Handles, Throttle Control PART NUMBER QTY DESCRIPTION C400000010 1 HANDLE, FRONT 9114505016 2 SCREW 5X16 9114505020 2 SCREW 5X20 P021011460 1 REAR HANDLE ASY A356000030 1 VENT ASY 13132840630 1 COVER, VENT 13201326630 1 CLIP 13201239330 1 PIPE, VENT - GROMMET 90023805016 3 SCREW 5X16 43304539332 1 COVER 10091038330 2 CUSHION 10091838330 4 CAP, CUSHION 10091532530 2 SCREW 10092138330 4
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Auto-Oiler, Oil Tank - 22 - REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Auto-Oiler, Oil Tank PART NUMBER QTY DESCRIPTION 43700238330 1 AUTO-OILER ASY 43701638330 1 NEEDLE, ADJUST 43702937330 1 WASHER 43701537330 1 SPRING 43706238330 1 CAP, OIL PUMP 43702437330 1 PLUNGER 43701938330 1 SPRING 12312715030 1 CIRCLIP 90022304016 2 SCREW 4X16 17531038330 1 PLATE, SEAL 43722938331 1 PIPE, OIL OUTLET 13201326630 2 CLIP 43721038330 1 PIPE, OIL 13211512330 1 GROMMET 4
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Engine, Short Block -- SB1080, Engine Cover - 24 - REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw ITEM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Engine, Short Block -- SB1080, Engine Cover PART NUMBER QTY DESCRIPTION SB1080 1 SHORT BLOCK1 P021006990 1 CRANKCASE SET 90010605020 4 SCREW 5X20 P021006150 1 PISTON KIT 10001139730 2 RING, PISTON V609000000 1 PIN, PISTON 10001532330 2 CIRCLIP, PISTON PIN V308000000 2 SPACER, PISTON PIN V556000000 1 BEARING, NEEDLE A011000320 1 CRANKSHAFT V508000000 2 OIL SEAL 90081036202 2 BEARING, BALL - 6202 V652000
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Labels - 26 - REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw ITEM 1 2 3 4 5 6 7 Labels PART NUMBER QTY DESCRIPTION X505002040 1 LABEL - WARNING X502000000 1 LABEL - ECHO X503005440 1 LABEL - MODEL -- CS-520 89015737330 1 LABEL - STOP X502000010 1 LABEL - ECHO X524001650 1 LABEL - BAR & CHAIN 89019130131 1 LABEL - KICK BACK 99922204144 REMARKS - 27 - REVISED 03/19/08
Table of Contents CS-520 Chain Saw 99922204144 Part Number Index Tools - 28 - REVISED 03/19/08
Table of Contents Part Number Index CS-520 Chain Saw Tools ITEM PART NUMBER QTY DESCRIPTION 1 89541010630 1 SOCKET WRENCH/SCREWDRIVER -17X19mm 2 X602000020 1 SOCKET WRENCH/SCREWDRIVER -17X19mm 3 89541039131 1 SOCKET WRENCH/SCREWDRIVER -10X19mm 4 89541006960 1 SOCKET WRENCH/SCREWDRIVER -13X19mm 5 X602000031 1 SOCKET WRENCH -- 17X14.
Table of Contents Part Number Index Part Number Index Click The Page Number After Any Part Number To Veiw The Diagram Containing That Part. Part Number Page ------------------ .............5, 7 10001139730 ............25 10001532330 ............25 10014230830 ............13 10091038330 ............21 10091532530 ............21 10091533930 ............21 10091838330 ............21 10092138330 ............21 10152035430 ............5 12311003930 ............7 12311337530 ............7 12311403930 ........
Table of Contents Part Number Index Part Description Index Click The Page Number After Any Part Desciption To Veiw The Diagram Containing That Part. A ADAPTER, INTAKE.....5 ADJUSTER, BRAKE.....15 AUTO-OILER ASY.....23 B BAND, BRAKE.....15 BEARING, BALL - 6202.....25 BEARING, NEEDLE.....19, 25 BODY, CARBURETOR.....7 BOLT 5.....15 BOOT, CONNECTOR.....13 BRACKET.....5 BRACKET, AIR CLEANER.....5 BRAKE LEVER ASY.....15 C CAP ASY.....5, 23 CAP, CUSHION.....21 CAP, MIXTURE LIMITER.....7 CAP, OIL PUMP.....
Table of Contents Part Number Index Part Description Index (continued) SCREW 5X12.....5, 11, 15 WASHER 5.....11 SCREW 5X14.....9, 11 WEIGHT, BRAKE.....15 SCREW 5X16.....21 WOODRUFF KEY.....13 SCREW 5X18.....11, 15 SCREW 5X20.....21, 25 SCREW 5X22.....25 SCREW 5X32.....15 SCREW 5X50.....5 SCREW, CHOKE VALVE.....7 SCREW, IDLE ADJUST.....7 SCREW, METERING DIAPHRAGM COVER.....7 SCREW, METERING LEVER PIN.....7 SCREW, PUMP COVER.....7 SCREW, THROTTLE LEVER.....7 SCREW, THROTTLE VALVE.....
NOTES 99922204144 - 33 - REVISED 03/19/08
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