Model CS 33ET ENGINE CHAIN SAW
Contents
1. 6 TROUBLESHOOTING GUIDE mm 7 REPAIR GUIDE mm 8 1 Precautions on maintenance inspection and repair 8 2 Inspection criteria for each section and consumable parts 8 Assembly diagram for CS 33EA Assembly diagram for CS 33ET SELLING POINT DESCRIPTIONS o New Pure Fire Engine Eguipped with the Pure Fire Engine a clean emission engine compliant with the second emission regulations specified in the U S A and Europe EPA PHASE2 CARB Tier3 2004 26 EC Note that emission values differ depending on countries and regions Regulation value CS33EA ET g kWh 32 3mL HC Nox Unburnt material nitrogen oxide 90 or less 50 or less O Soft grip handle The First in the industry Adopted the soft grip handle molded with elastomer in two layers for easy non slippery gripping giving less strain to the operator slide hook CS 33ET The hook used for hanging when the operator moves during elevated work can be housed inside the body if unused thereby improving workability When housed When used 4 S Start The newly adopted coil damper type of recoil starter reduces the pulling force required for the starter by half from our previous model thereby simplifying starting operation Moreover the new throttle linked choke eliminates the bothersome step of having the operator return it to the original position as on the o2. 668 5165 SIDE COVER COMP 668 5166 NUT 668 5167 BRAKE SPRING 668 5168 GEAR A 668 5169 CHAIN PULLER COMP 668 5170 SAW CHAIN 3 8X12 91VG 45 668 5171 SAW CHAIN 3 8X14 91VG 52 668 5161 TAPPING SCREW D4X10 3 09 ALTERNATIVE PARTS 5 INCLUD 79 86 FOR EUROPE AUS USA FOR EUROPE USA FOR EUROPE AUS USA da a aa IN a 2 a i fi da IN ala ala a ajajaja iaia je ajaja aa a a a FOR EUROPE USA PARTS CS 33ET CODE NO DESCRIPTION i REMARKS 668 5172 SPIKE FOR EUROPE AUS 668 5173 AIR VENT VALVE B 668 5174 ENGINE CASE ASS Y 668 5175 INNER CAP ASS Y 668 5176 AIR DEFLECTOR 668 5177 OIL TANK CAP PACKING 668 5178 OIL TANK CAP ASS Y 668 5179 TANK CAP PACKING 668 5180 TANK CAP ASS Y 668 4679 SET SCREW 668 5182 CAM PLATE 668 5183 DAMPER SPRING 668 5184 STARTER PULLEY 668 5185 SPRING CASE ASS Y 668 5186 ROPE 668 5187 FAN CASE COMP 668 5188 STARTER HANDLE 668 5189 PLATE 668 5190 RECOIL STARTER ASS Y 668 5191 TAPPING SCREW D4 5X20 HITACHI LABEL C 668 5194 ENGINE CASE COVER 668 5152 TAPPING SCREW D4 5X14 668 5195 RUBBER PIPE 668 5196 PIPE JOINT 668 5197 SHIELD TUBE ASS Y 668 5198 CLIP D6 668 5199 PUMP FILTER BODY ASS Y 668 5200 FUEL PIPE 2 5X4X260 668 5153 TAPPING SCREW D4 5X14 668 5201 CLEANER BODY COMP 668 5202 INLET MANIFOLD
3. 1 668 5121 BRAKE LINK COMP ALTERNATIVE PARTS PARTS CS 33EA CODE NO DESCRIPTION i REMARKS 668 5122 BRAKE LEVER SPRING 668 5264 BRAKE HANDLE CAUTION LABEL 668 5126 BRAKE LINK COVER 668 5127 OIL ADJUST GROMMET 668 5128 OIL PUMP ADJUSTER 668 5129 ADJUSTER SPRING 668 5070 BOLT WASHER M4 668 5130 OIL PUMP ADJUST CAP 668 5131 PUMP GEAR SPRING 668 5132 PUMP GEAR COMP 668 5133 MACHINE SCREW M3X8 668 5134 OIL PUMP CASE COMP 668 5135 OIL PUMP CASE ASS Y 668 5136 SEAL LOCK BOLT M5X15 668 5267 FUEL PIPE 2 5X4X90 668 5139 PRIMING PUMP COMP 668 5140 BRAKE BAND 668 5141 INEEDLE ROLLER 3X9 8 668 5142 CLUTCH COMP 668 5143 NEEDLE BEARING 668 5144 CLUTCH HOUSING COMP 668 5145 CLUTCH WASHER 668 5146 CRANK SHAFT COLLAR 668 5147 OIL PUMP COVER 668 5148 TAPPING SCREW D4X15 668 5149 MACHINE SCREW W SP WASHER M4X14 668 5150 OIL PIPE A 668 5151 SCREW GEAR 668 5152 TAPPING SCREW D4 5X14 668 5153 TAPPING SCREW D4 5X14 668 5154 FUEL PIPE 668 5155 CHAIN CATCHER 668 5156 AIR VENT SPONGE 668 5157 GUIDE PLATE B 668 5158 TAPPING SCREW D3X8 668 5294 CHAIN BAR 12 INCH 3 8 SP 668 5295 CHAIN BAR 14 INCH 3 8 SP 668 5161 TAPPING SCREW D4X10 668 5162 GUIDE PLATE A NAME PLATE CS 33EA 668 5165 SIDE COVER COMP 668 5166 NUT 668 5167 BRAKE SPRING 668 5168 GEAR A 668 5169 CHAIN PULLER COMP 668 5170 SAW CHAIN 3 8X12 91VG 45 668 5171 SAW CH
4. 221 lt 226 gt tighten the bolt onto the Engine Case Ass y 123 lt 124 gt Electric Wiring Seal Lock Bolt M5x15 88 lt 88 gt Spark Plug Cap Ass y 10 2 lt 10 Cord 221 lt 226 gt Spark Plug 9 lt 9 gt Cord 220 lt 225 gt Spark Plug Cap Ass y 10 1 lt 10 Stop Switch 181 lt 210 gt High Voltage Cord 11 lt 11 gt Rubber Cap 13 lt 13 gt Ignition Coil Comp 12 lt 12 gt Magneto Rotor Ass y 29 lt 29 gt Engine Case Ass y 123 lt 124 gt 4 Adjusting the Carburetor a Use the screw to adjust the carburetor Idle Adjust Screw Use the screw for adjusting the amount of air during idling Idle Adjust Screw 224 lt 231 gt Turning the screw clockwise increases the engine revolutions turning it counterclockwise decreases the engine revolutions Idle Adjust Screw 12 b Standard setting of the carburetor Idle Adjust Screw 2 800 to 3 200 min rev min Confirm that the saw chain does not rotate c Fine adjustment e Idling adjustment i By using the Idle Adjust Screw 224 lt 231 gt set the revolutions so that the saw chain does not start rotating while the engine runs stably ii Set the idling revolutions to 2 800 to 3 200 min rev min by using the Idle Adjust Screw 224 lt 231 gt 5 Cleaning the chain oil filler ports a Remove the Chain Bar 110 lt 111 gt and remove sawdust clogging the filler ports Chain oil filler ports Chain oil
5. 5087 SPARK PLUG CAP ASS Y 668 5088 HIGH VOLTAGE CORD 668 5089 JIGNITION COIL COMP 668 4602 RUBBER CAP 668 5091 JIGNITION COIL ASS Y 668 5092 COVER PACKING A 668 5093 HEX SOCKET HD BOLT M4X10 668 5094 SCAVENGING COVER A 668 4600 WASHER 668 4599 HEX HOLE BOLT M4X18 WS 668 4607 OIL SEAL TB 12227 668 5095 NEEDLE ROLLER 2 5X9 8 668 5096 BALL BEARING 6201 A2C3 668 5097 CRANK SHAFT COMP 668 4899 WOODRUFF KEY 3X13X4 5 668 5098 SHIM S TO 2 668 5099 SHIM S T0 3 668 5100 CRANK CASE PACKING 668 4668 HEX HOLE BOLT M5X20 S 668 5101 D4E RETAINING RING 668 5102 MAGNETO ROTOR ASS Y 668 5103 BOLT WASHER M7 668 5104 FLYWHEEL NUT 668 5105 STARTER PAWL SPRING 668 5106 STARTER PAWL 668 5107 CRANK CASE ASS Y 986 662 MACHINE SCREW W WASHERS M4X10 668 5109 MACHINE SCREW W SP WASHER M4X8 668 5110 EXHAUST PIPE 668 5111 MUFFLER SPECIAL PACKING 668 5112 GAUZE FIXING PLATE 668 5113 MUFFLER GAUZE 668 5114 HEX SOCKET HD BOLT M5X50 668 4661 WASHER 5 668 5115 MUFFLER COMP 668 5116 MUFFLER COMP 668 5117 MUFFLER PACKING 668 5119 BRAKE SUPPORT PLATE COMP 668 5120 COLLAR 668 5121 BRAKE LINK COMP 4 ALTERNATIVE PARTS 3 09 INCLUD 1 4 INCLUD 6 O o NOJAA ON FOR USA FOR EUROPE AUS o INCLUD 11 13 INCLUD 28 32 33 INCLUD 20 22 26 FOR USA FOR EUROPE AUS FOR
6. SPACER 668 4595 HEX HOLE BOLT M4X12 S 668 5203 PULSE GUIDE 668 5204 INTAKE COMP 668 5205 INTAKE PACKING 668 5206 CHOKE LEVER 668 5207 ADJUSTER CAP 668 5208 CARBURETOR ASS Y WT 940 668 5209 CARBURETOR ASS Y WT 949 668 5210 SCREW 668 5211 PUMP BODY 668 5212 PUMP GASKET 668 5213 PUMP DIAPHRAGM 668 4700 INLET SCREEN 668 5215 NEEDLE VALVE 668 5216 VALVE SPRING 668 5217 CONTROL LEVER 668 5218 HINGE PIN SET SCREW 668 5219 HINGE PIN 6 ALTERNATIVE PARTS 3 09 INCLUD 123 125 INCLUD 127 INCLUD 129 INCLUD 131 139 INCLUD 179 192 230 231 FOR USA EUROPE INCLUD 179 192 230 231 FOR AUS RUS A A ar aras 2 2 ii i i ar Sar ar as ar Na os ee Sar arar a OQ i i hb ar a aja ar i ar ar as Sar ar ar ar ar a ee ia PARTS CS 33ET CODE NO DESCRIPTION i REMARKS 668 5220 DIAPHRAGM PACKING 668 4690 METERING DIAPHRAGM 668 5222 DIAPHRAGM COVER 668 5223 SET SCREW 668 5224 IDLE SPONGE 668 5225 AIR CLEANER BASE 668 5226 WASHER M5 BLACK 668 5114 HEX SOCKET HD BOLT M5X50 668 5227 CLEANER COVER 668 5228 CLEANER KNOB 668 5229 CLEANER SPONGE B 668 5230 CLEANER ELEMENT A COMP 668 5231 CLEANER ELEMENT B COMP 668 5232 CLEANER SPONGE A 668 5233 TAPPING SCREW D5X45 668 5234 WASHER 668 5235 COLLAR 28 2 668 5236 BUMPER COMP 668 5153 TAPP
7. handle otherwise you run the risk of electric shock Carefully wipe off any fuel around the plug to avoid a sudden breakout of fire Gap between a Remove the spark plug from the cylinder set electrodes Use a wire brush to clean off carbon accumulated on EIN the spark plug electrodes as needed Adjust the gap between the electrodes if necessary Use a cloth to wipe off any fuel on the electrodes Remove the fuel left e Checking for sparks in the crankcase according to the procedure below 1 With the spark plug removed from the cylinder set 2 Open the choke with the stop switch in the stop High voltage cord position Spark plug cap 3 Open the throttle with the throttle lever pulled and 4 Pull the starter handle several times Spark plug b Insert the spark plug into the spark plug cap and then place the electrodes in contact with the metallic portion of the engine Under these conditions set the stop 7 switch to the startup position and pull the starter handle Metallic portion of the engine c When all the above are normal the spark plug electrodes make a snapping sound to generate sparks Ignited sparks 2 Adjusting the gap formed between the magneto rotor and spark plug coil assembly a Remove the Tapping Screw D4 5 x 20 140 lt 141 gt and then the Recoil Starter Ass y 139 lt 140 gt Magneto Rotor Ass y and Ignition Coil Comp b Loosen the Hex Hole Bolt M4 x 18 WS 19 lt 19 gt s
8. 668 5282 SPRING PIN 5X25 668 5283 THROTTLE LEVER 668 5239 STOP SWITCH 668 5284 CARBURETOR ASS Y WT 956 668 5285 CARBURETOR ASS Y WT 959 668 5210 SCREW 668 5211 PUMP BODY 668 5212 PUMP GASKET 668 5213 PUMP DIAPHRAGM 668 5218 HINGE PIN SET SCREW 668 5219 HINGE PIN 668 5220 DIAPHRAGM PACKING 6 ALTERNATIVE PARTS 3 09 INCLUD 122 124 INCLUD 126 INCLUD 128 INCLUD 130 138 INCLUD 183 196 223 224 FOR EUROPE USA INCLUD 183 196 223 224 FOR AUS RUS a da 2 if SS ee fa ar ee ar ee ar iii jaja 2 ar ar arar ba ar arar arar ar ar far ar arar aja ar dr sr lMa PARTS CS 33EA CODE NO DESCRIPTION i REMARKS 668 4690 METERING DIAPHRAGM 668 5222 DIAPHRAGM COVER 668 4700 INLET SCREEN 668 5215 NEEDLE VALVE 668 5216 VALVE SPRING 668 5217 CONTROL LEVER 668 5223 SET SCREW 668 5286 DAMPER SET BOLT 668 5236 BUMPER COMP 668 5233 TAPPING SCREW D5X45 668 5287 WASHER 668 5235 COLLAR 28 2 668 5288 REAR HANDLE A COMP 668 4595 HEX HOLE BOLT M4X12 S 668 5289 INTAKE COMP 668 5205 INTAKE PACKING 668 5290 INLET MANIFOLD RING 668 5206 CHOKE LEVER 668 5291 ENGINE CASE COVER 668 5153 TAPPING SCREW D4 5X14 668 5152 TAPPING SCREW D4 5X14 668 5245 MUFFLER COVER 668 5246 PROTECTIVE COIL 668 5247 SHIELD TUBE ASS Y 668 5198 CLIP D6 668 5249 OIL FILT
9. AIN 3 8X14 91VG 52 668 5161 TAPPING SCREW D4X10 668 5270 SPIKE 3 09 ALTERNATIVE PARTS 5 INCLUD 79 86 FOR EUROPE USA FOR EUROPE AUS USA FOR EUROPE USA FOR EUROPE AUS USA da a aaa iN ajafa i a i N ida ai i aa ajaja aa aa aa ia PARTS CS 33EA CODE NO DESCRIPTION i REMARKS 668 5173 AIR VENT VALVE B 668 5271 ENGINE CASE ASS Y 668 5175 INNER CAP ASS Y 668 5176 AIR DEFLECTOR 668 5177 OIL TANK CAP PACKING 668 5178 OIL TANK CAP ASS Y 668 5179 TANK CAP PACKING 668 5180 TANK CAP ASS Y 668 4679 SET SCREW 668 5182 CAM PLATE 668 5183 DAMPER SPRING 668 5184 STARTER PULLEY 668 5185 SPRING CASE ASS Y 668 5186 ROPE 668 5187 FAN CASE COMP 668 5188 STARTER HANDLE 668 5189 PLATE 668 5190 RECOIL STARTER ASS Y 668 5191 TAPPING SCREW D4 5X20 HITACHI LABEL C 668 5272 RUBBER PIPE 668 5196 PIPE JOINT 668 5197 SHIELD TUBE ASS Y 668 5198 CLIP D6 668 5199 PUMP FILTER BODY ASS Y 668 5200 FUEL PIPE 2 5X4X260 668 5228 CLEANER KNOB 668 5273 CLEANER COVER 668 5274 REAR HANDLE GRIP COMP 668 5275 TAPPING SCREW D5X14 668 5114 HEX SOCKET HD BOLT M5X50 668 5226 WASHER M5 BLACK 668 5276 AIR CLEANER BASE 668 5277 CLEANER CAP 668 5278 CLEANER ELEMENT COMP 668 5279 THROTTLE ROD 668 5280 TRIGGER LOCKOUT 668 5281 THROTTLE LEVER SPRING
10. ER BODY ASS Y 668 4661 WASHER 5 668 5248 OIL FILTER BODY 302 089 TAPPING SCREW W FLANGE D5X20 BLACK 668 5292 FRONT HANDLE 668 5293 CORD 195MM 668 5252 CORD 180MM 668 5234 WASHER 668 5297 JIDLE ADJUST SPRING 668 5298 JIDLE ADJUST SCREW INCLUD 216 217 1 1 1 1 1 1 4 2 4 2 1 2 1 2 1 1 1 1 1 4 2 1 1 1 1 1 1 1 2 1 1 1 1 1 1 3 09 ALTERNATIVE PARTS 7 STANDARD ACCESSORIES CS 33EA CODE NO DESCRIPTION i REMARKS 668 5255 CHAIN COVER 12 FOR EUROPE USA 668 5256 CHAIN COVER 14 FOR EUROPE AUS USA 668 5257 COMBI BOX SPANNER 10 19MM 8 ALTERNATIVE PARTS Printed in Japan 3 09 090303N Hitachi Power Tools LIST NO E055 ENGINE TOOL PARTS LIST IM ENGINE CHAIN SAW 2009 3 3 Model CS 33ET E1 CS 33ET DARA N A CS 33ET PARTS CS 33ET CODE NO DESCRIPTION i REMARKS 668 5078 CIRCLIP 668 5079 PISTON PIN 668 5080 PISTON SET 668 5081 PISTON RING 668 5082 SCAVENGING COVER B 668 5083 CYLINDER PACKING 668 5084 CYLINDER SET 668 4668 HEX HOLE BOLT M5X20 S 668 5085 SPARK PLUG BPM6A 668 5086 SPARK PLUG BPMR6A 668
11. Hitachi Power Tools WN TECHNICAL DATA AND SERVICE MANUAL CS 33EA E056 Mar 2009 CS 33ET EO55 Mar 2009 Hitachi Engine Chain Saw Models CS 33EA CS 33ET MARKETING OBJECTIVE _ _ NFINRFRNFNFRFRFFFRNRFFRRFFFFRFFYFFEFFFFFFFFRNYFRFFYFEFFFFFFFRRYFFEFFFFFFFFFRYFFEFFFFIN The new Models CS 33EA and CS 33ET engine chain saw are the minor changed version of the current Models CS 30EG and CS 35EJ The new Models have suited EPA PHASE2 CARB Tier3 and 2004 26 EC In addition the appearance is changed to the one for a next generation model With the new Models CS 33EA and CS 33ET we aim to enhance the share of the Hitachi engne chain saw series APPLICATIONS o o i a Sawing various types of lumber Examples of application Forestry Lumbering and cutting off tree branches Gardening Cutting off tree branches pruning and trimming Home use Cutting firewood rough cutting in do it yourself carpentering Leisure Cutting firewood at camping sites Farm Cutting firewood preparing lumber for cultivating mushrooms and cutting off tree branches Carpentering Rough cutting or cast away cutting of pillars back slitting cutting used lumber and timber cutting Civil engineering and construction Cutting posts to equal length cutting used lumber and timber cutting Others Rough cutting for large wood carvings SELLING PONTE pr id a NE SA Do AU TY yN CANFED UN AE NEW FEA
12. ING SCREW D4 5X14 668 5237 HOOK HOLDER PLATE 668 5238 HOOK 668 5239 STOP SWITCH 668 5240 REAR HANDLE B COMP 668 5241 THROTTLE WIRE COMP 668 5242 THROTTLE LEVER 668 5243 THROTTLE LEVER SPRING 668 5244 TRIGGER LOCKOUT 668 5152 TAPPING SCREW D4 5X14 668 5245 MUFFLER COVER 668 5246 PROTECTIVE COIL 668 5247 SHIELD TUBE ASS Y 668 5198 CLIP D6 668 4661 WASHER 5 668 5248 OIL FILTER BODY 668 5249 OIL FILTER BODY ASS Y 668 5250 TAPPING SCREW D4X15 668 5251 CORD 325MM 668 5252 CORD 180MM 668 5253 REAR HANDLE A COMP 668 5074 TAPPING SCREW D5X16 668 5254 FRONT HANDLE 668 5297 JIDLE ADJUST SPRING 668 5298 JIDLE ADJUST SCREW INCLUD 221 222 1 1 1 4 1 1 2 2 1 1 1 1 1 1 3 3 3 3 2 1 1 1 1 1 1 1 1 2 1 1 1 1 1 1 1 3 1 1 1 2 1 1 1 3 09 ALTERNATIVE PARTS 7 STANDARD ACCESSORIES CODE NO DESCRIPTION 668 5255 CHAIN COVER 12 REMARKS FOR EUROPE AUS USA FOR EUROPE USA CS 33ET 668 5256 CHAIN COVER 14 668 5257 COMBI BOX SPANNER 10 19MM ALTERNATIVE PARTS Printed in Japan 090303N 3 09
13. TURES 1 New Pure Fire engine Soft grip handle The first in the industry l Slide hook CS33ET ga Same features as the conventional models 4 S Start Steering wheel shape by human engineering The best balance SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT CS33ET HITACHI O Hitachi Koki Co Ltd International Sales Division REMARK For more information about HANDLING INSTRUCTIONS visit our website at http www hitachi koki com manual_view_export e Throughout this TECHNICAL DATA AND SERVICE MANUAL the symbols are used in the place of company names and model names of our competitors The symbols utilized here are as follows Competitors Symbols Utilized Company Name Model Name A STIHL MS192T B ECHO CS 330T C Husqvana 235e D ECHO CS 370 CONTENTS Page SELLING POINT DESCRIPTIONS 1 SPECIFICATIONS rr cnn 3 COMPARISONS WITH SIMILAR PRODUCTS mama 4 PRECAUTIONS IN SALES PROMOTION 2 22 222222nnnnnnooana nanne zena zena inez nn 5 1 Instruction Manual 5 2 Caution Plate 5 3 Through Instruction to the Customers
14. USA FOR USA FOR USA FOR EUROPE AUS 2 1 1 2 1 1 1 4 1 1 1 1 1 1 1 2 4 1 2 2 2 2 2 1 1 1 1 1 3 2 1 1 1 2 2 1 4 4 1 1 1 1 2 2 1 1 1 1 1 PARTS CS 33ET CODE NO DESCRIPTION i REMARKS 668 5122 BRAKE LEVER SPRING 668 5123 BRAKE HANDLE CAUTION MARK 668 5126 BRAKE LINK COVER 668 5127 OIL ADJUST GROMMET 668 5128 OIL PUMP ADJUSTER 668 5129 ADJUSTER SPRING 668 5070 BOLT WASHER M4 668 5130 OIL PUMP ADJUST CAP 668 5131 PUMP GEAR SPRING 668 5132 PUMP GEAR COMP 668 5133 MACHINE SCREW M3X8 668 5134 OIL PUMP CASE COMP 668 5135 OIL PUMP CASE ASS Y 668 5136 SEAL LOCK BOLT M5X15 668 5137 PROTECTIVE COIL 668 5138 FUEL PIPE 2 5X4X42 668 5139 PRIMING PUMP COMP 668 5140 BRAKE BAND 668 5141 NEEDLE ROLLER 3X9 8 668 5142 CLUTCH COMP 668 5143 NEEDLE BEARING 668 5144 CLUTCH HOUSING COMP 668 5145 CLUTCH WASHER 668 5146 CRANK SHAFT COLLAR 668 5147 OIL PUMP COVER 668 5148 TAPPING SCREW D4X15 668 5149 MACHINE SCREW W SP WASHER M4X14 668 5150 OIL PIPE A 668 5151 SCREW GEAR 668 5152 TAPPING SCREW D4 5X14 668 5153 TAPPING SCREW D4 5X14 668 5154 FUEL PIPE 668 5155 CHAIN CATCHER 668 5156 AIR VENT SPONGE 668 5157 GUIDE PLATE B 668 5158 TAPPING SCREW D3X8 668 5294 CHAIN BAR 12 INCH 3 8 SP 668 5295 CHAIN BAR 14 INCH 3 8 SP 668 5161 TAPPING SCREW D4X10 668 5162 GUIDE PLATE A NAME PLATE CS 33ET
15. VER PACKING A INCLUD 11 13 668 5093 HEX SOCKET HD BOLT M4X10 668 5094 SCAVENGING COVER A 668 4600 WASHER 668 4599 668 4607 HEX HOLE BOLT M4X18 WS OIL SEAL TB 12227 668 5095 NEEDLE ROLLER 2 5X9 8 668 5096 BALL BEARING 6201 A2C3 668 5097 CRANK SHAFT COMP 668 4899 668 5098 WOODRUFF KEY 3X13X4 5 SHIM S T0 2 668 5099 SHIM S T0 3 668 5100 CRANK CASE PACKING 668 4668 HEX HOLE BOLT M5X20 S 668 5101 668 5102 D4E RETAINING RING MAGNETO ROTOR ASS Y INCLUD 28 32 33 668 5103 BOLT WASHER M7 668 5104 FLYWHEEL NUT 668 5105 STARTER PAWL SPRING 668 5106 668 5107 STARTER PAWL CRANK CASE ASS Y INCLUD 20 22 26 986 662 MACHINE SCREW W WASHERS M4X10 FOR EUROPE USA 668 5109 MACHINE SCREW W SP WASHER M4X8 FOR AUS RUS 668 5110 EXHAUST PIPE 668 5111 668 5112 MUFFLER SPECIAL PACKING GAUZE FIXING PLATE EXCEPT FOR AUS RUS 668 5113 MUFFLER GAUZE EXCEPT FOR AUS RUS 668 5114 HEX SOCKET HD BOLT M5X50 668 4661 WASHER 5 668 5115 668 5116 MUFFLER COMP MUFFLER COMP FOR EUROPE USA FOR AUS RUS 668 5117 MUFFLER PACKING 668 5119 BRAKE SUPPORT PLATE COMP 668 5120 COLLAR 2 1 1 2 1 1 1 4 1 1 1 1 1 1 1 2 4 1 2 2 2 2 2 1 1 1 1 1 3 2 1 1 1 2 2 1 4 4 1 1 1 1 2 2 1 1 1 1
16. cylinder exhaust port or Cleaning carbon clogging the muffler Clogged air cleaner Cleaning The chain brake is on Release Dirt clogging the carburetor Cleaning high speed fuel line Faulty carburetor pump diaphragm Replacement Starts up and when idling mode is set The engine stalls OK When the speed rapidly decelerates from high speed The engine stalls OK When the product is tilted during idling The engine stalls OK The chain blades start rotating during idling Starts rotating Air intake from the gasket portions Inspection Revolutions too low for idling Adjustment Revolutions too low for idling Adjustment Revolutions too low for idling Adjustment Revolutions too high for idling Adjustment Worn or faulty clutch Inspection replacement 10 Repair procedures The Bold numbers in the descriptions below correspond to the item numbers in the Parts List and the exploded assembly diagram for Model CS 33EA and the lt Bold gt numbers to those in the Parts List and the exploded assembly diagram for Model CS 33ET Always stop the engine prior to disassembly or when replacing the saw chain 1 How to check for sparks generated by the spark plug Spark plug CAUTION Be careful not to touch the metallic portion of the spark plug when pulling the starter
17. e spark plug and plug cap to the original positions and then perform proper startup operation Confirm that the tip of the spark plug becomes wet with fuel Dry OK There is compression No compression OK The engine starts but when the throttle is pulled The engine stalls OK Dirty or faulty spark plug Cleaning inspection Disconnected or improperly Inspection connected high voltage cord and other wiring Ground connection of the high Inspection voltage cord and other wiring Disconnected or faulty ignition coil Replacement Excessive gap between magneto rotor circumference and ignition coil Adjustment Clogged fuel filter Cleaning replacement Cracked fuel pipe Replacement Faulty tank vent hole check valve Replacement Faulty pump diaphragm of the carburetor Replacement Dirt clogging the carburetor Cleaning Faulty piston ring Cleaning replacement Worn piston ring Replacement Worn piston Replacement Worn or damaged oil seal Replacement Clogged fuel filter Cleaning Inadeguate warm up especially in cold weather Warm up 9 Pulling the throttle lever increases the speed High speed unavailable OK When the revolutions increase Revolutions fluctuate OK Clogged
18. ent compression The engine stalls Clogged fuel filter Cleaning or replacement Poor acceleration Muffler clogged with carbon Clearing no increase in Clogged air cleaner Fluctuating revolutions at high DIE clogging ihe mal pae Cleaning fuel line speed consumption No oil in the tank Replenishment Clogged oil filler port Clogged oil filler port on the Cleani Chain oil is not discharged guide bar eaning Clogged oil filter Faulty adjustment of chain Adjustment oil discharge amount 7 REPAIR GUIDE This section describes repair focusing on portions requiring frequent repair Refer to the previous section TROUBLESHOOTING GUIDE as the context below follows it Precautions on maintenance inspection and repair The fuel used readily ignites therefore never bring the product near a flame Use new gaskets at reassembly Prior to disassembly for repair remove the fuel and chain oil into separate containers and allow the engine to cool down When performing repair startup or running use adequate care for portions posing the risk of burn injury or electric shock such as hot areas including the muffler high voltage cord and spark plug O Before running the product with the chain bar and chain blades attached make sure that there are no other people nearby O Ensure proper ventilation when performing repair in a small room or other poorly ventilated space O After completing repair always return the throttle lev
19. er to the idling position and set the stop switch to the engine stop position O O _ O 2 Inspection criteria for each section and consumable parts Idling revolutions 2 800 to 3 200 No load maximum revolutions with guide bar and chain blades min rev min 12 000 Clutch engagement 4 100 to 4 500 Accelerating performance Gap between the magneto rotor and ignition coil To be smoothly accelerated Spark plug fio ai NGK BPM6A or BPMR6A Adjustment of chain oil discharge 1 1 4 turns back from totally amount closed position Height of the carburetor metering lever Postion Tosi iower than carburetor body surface Chain blade type Oregon 91VG Chain blade pitch x gauge 3 8 x 0 05 No of the chain blade drive links PI 45 12 52 14 8 Repair flow chart Pull the recoil starter Pulling is possible when you feel a slight compression Impossible to pull OK Remove the spark plug to check for sparks Sparks are generated Broken piston ring Replacement Seized piston or cylinder Replacement Broken connecting rod needle bearing Replacement Seized ball bearing Replacement Magneto rotor contact with ignition coil Adjustment Broken starter Inspection replacement Faulty startup pawl Inspection replacement Stop switch not in the startup position Setting to the startup position No spark OK Return th
20. filler ports b Remove sawdust from the groove on the Chain Bar 110 lt 111 gt along which the saw chain travels and from the chain oil filler holes e Chain oil filler holes Chain oil filler holes Disassembly and reassembly a With the Cylinder Set 7 lt 7 gt Piston Set 3 lt 3 gt and Piston Ring 4 lt 4 gt removed remove carbon accumulated on the cylinder exhaust port and piston and use gasoline to thoroughly clean the disassembled components Reassemble the piston so that the arrow provided on the piston head points toward the muffler clutch Apply two cycle dedicated oil to the bearings and sliding sections for assembly b Make sure that the Clutch Comp 93 lt 94 gt is left threaded in the crankshaft 13 Screw tightening torque Units Nem kgfecm Location Quantity Dimension Tightening torque Recoil Fan Case Comp Tapping Screw D4 5 x 20 Starter Ass y 136 lt 137 gt ki 140 lt 141 gt a Magneto Rotor Ass y 29 lt 29 gt 1 Flywheel Nut 31 lt 31 gt 15 0 to 20 0 150 to 205 Ignition Coil Comp Hex Hole Bolt M4 x 18 Ws 12 lt 12 gt 2 19 lt 19 gt 4 5 to 5 5 26 to 46 2 EA j Rear Handle A Comp Tapping Screw D5 x 45 2 0 to 3 0 20 to 30 202 lt 227 gt 3 ET 199 lt 203 gt j i Spark Plug 9 lt 9 gt 1 M14 13 0 to 17 0 130 to 170 Carburetor Ass y Hex Socket Hd Bolt M5 x 50 182 lt 178 gt 2 171 lt 196
21. gt 4 0 to 5 0 40 to 50 Cylinder Set 7 lt 7 gt 4 Hoc HOI Bolo MS AX SS 4 0 to 6 0 40 to 60 8 lt 8 gt Scavenging Cover A Hex Socket Hd Bolt M4 x 10 17 lt 17 gt 2 16 lt 16 gt 2 5 to 4 5 25 to 45 Engine Case Ass y Seal Lock Bolt M5 x 15 123 lt 124 gt 5 88 lt 88 gt 7 0 to 11 0 70 to 110 Clutch Comp 93 lt 94 gt 1 M8 23 0 to 26 0 230 to 255 Muffler Comp Hex Socket Hd Bolt M5 x 50 42 lt 42 gt 2 40 lt 40 gt 7 0 to 11 0 70 to 110 M3 0 6 to 1 0 6 to 10 M4 1 5 to 2 5 15 to 25 Screws other than the above M5 2 5 to 4 5 25 to 45 M6 4 5 to 7 5 45 to 75 14 Hitachi Power Tools LIST NO E056 ENGINE TOOL PARTS LIST IM ENGINE CHAIN SAW 2009 3 3 Model CS 33EA E1 CS 33EA CS 33EA PARTS CODE NO 668 5078 DESCRIPTION CIRCLIP REMARKS CS 33EA 668 5079 PISTON PIN 668 5080 PISTON SET INCLUD 1 4 668 5081 PISTON RING 668 5082 668 5083 SCAVENGING COVER B CYLINDER PACKING 668 5084 CYLINDER SET INCLUD 6 668 4668 HEX HOLE BOLT M5X20 S O o NOJAA ON 668 5085 SPARK PLUG BPM6A FOR USA o 668 5086 668 5087 SPARK PLUG BPMR6A SPARK PLUG CAP ASS Y FOR EUROPE AUS 668 5088 HIGH VOLTAGE CORD 668 5089 IGNITION COIL COMP 668 4602 RUBBER CAP 668 5091 668 5092 IGNITION COIL ASS Y CO
22. ld choke 5 Steering wheel shape by human engineering The handle is indented to accommodate the operator s thumb when gripped thereby affording easier gripping 6 The best balance The chain saw s center of gravity is optimally located for better balance and consequently better workability 2 SPECIFICATIONS Engine type Air cooled two cycle gasoline engine Cylinder quantity 1 37 x 30 mm inner diameter x stroke Engine displacement 32 3 mL Po Momentary no load 12 000 min revolutions work Idling revolutions 2 800 to 3 200 min Rotation direction Clockwise When viewed fromend of the output shaft Mixed gasoline Service fuel Gasoline oil for two cycle exclusive 25 to 50 1 Fueltank capaciy 30m Continuously for 2010 30 minutes Carburetor Diaphragm type from Varo Spark plug NOK BPMSAOrBPMRSA OoOO O o o Starting method Col damper type recoil starter method CA oy OP Sopping method Grund n tery ler A ROMS Oni SION Automatic centrifugal clutch method jsawchain Pin 3 8 mon gauge nh CC Ssns Oil amount adjusting type Chain oil feeding method Automatic feed ES Chain oil tank capacity 190 mL Re Standard opening degree 1 1 4 turns back from totally closed position Chain il use Dedicated hand SS oO ande Eavipped with anbraten devices Antsibraion mechanism Engine foating pe Dyw ee po SSS Sons 394 x 262 x 238mm 279x 264x225 mm _ Excluding chain a
23. nd Lx Wx H chain bar Chain oil discharge rate 3 to 8 mL minute 8 000 min 3 COMPARISONS WITH SIMILAR PRODUCTS Handle location Top Rear Manufacturer Model A B C D Item Piston mL 32 3 30 1 32 6 32 3 34 4 36 3 displacement Maximum output kW 1 2 1 2 1 2 1 2 1 3 Tank capacity mL 300 270 310 300 300 410 Oil tank capacity mL 190 220 290 190 190 280 Bar lenoth cm 30 35 30 40 30 40 30 35 30 40 35 45 9 inch 12 14 12 16 12 16 120145 12 16 14 18 Chain pitch Inch 3 8 3 8 3 8 3 8 3 8 3 8 Soft grip Presented None None Presented None None Emission stnd r 50g kWh EPA Not in EPA EPA EPA Not in or less Phase2 compliance Phase2 Phase2 Phase2 compliance Device Ir Presented None Presented Presented Presented Presented pulling force Body dry weight Excluding chain kg 4 1 3 2 3 6 4 3 4 7 4 5 and chain bar Overall Lx W x H mm 279 x 264 x 225 245x205x223 277x233x 214 1394x262x238 377x244x246 390x270x290 4 Superior specifications PRECAUTIONS IN SALES PROMOTION To ensure that customers safely and efficiently use the engine powered chain saw after its purchase urge them to thoroughly read the instruction manual and understand the importance of the caution plates described therein and attached to the product Tell the customers to refer to the instruction manual for how to p
24. o 0 3 to 0 4 mm that the Ignition Coil Comp 12 lt 12 gt is temporarily Ignition Coil Comp 12 lt 12 gt tightened c Adjust the gap between the circumference of the Magneto Rotor Ass y 29 lt 29 gt and the Ignition Coil Comp 12 lt 12 gt to be 0 3 to 0 4 mm d Under this condition firmly tighten the Hex Hole Bolt M4 x 18 WS 19 lt 19 gt Hex Hole Bolt M4 x 18 WS 19 lt 19 gt Magneto Rotor Ass y 29 lt 29 gt 11 3 Electric Wiring The following diagram shows the wiring a When connecting the High Voltage Cord 11 lt 11 gt and Spark Plug Cap Ass y 10 1 lt 10 1 gt insert the High Voltage Cord 11 lt 11 gt with a small amount of oil applied to its tip into the Spark Plug Cap Ass y 10 1 lt 10 1 gt in the arrow direction and then pull the cord from the rear of the Spark Plug Cap Ass y 10 1 lt 10 1 gt Then insert the Spark Plug Cap Ass y 10 2 lt 10 2 gt into the High Voltage Cord 11 lt 11 gt so that the assembly penetrates through the core wire of the high voltage cord Pull back the High Voltage Cord 11 lt 11 gt to the original position and house the Spark Plug Cap Ass y 10 2 lt 10 2 gt within the Spark Plug Cap Ass y 10 1 lt 10 1 gt b Use the Cord 220 lt 225 gt to connect the connector of the Ignition Coil Comp 12 lt 12 gt to the Stop Switch 181 lt 210 gt c After passing the Seal Lock Bolt M5 x 15 88 lt 88 gt through the terminal of the Cord
25. of mixed fuel left in the carburetor will vaporize over an extended period of time thereby inhibiting engine startup next season due to the fuel line being clogged by a film of two cycle dedicated oil 6 TROUBLESHOOTING GUIDE Starter handle cannot be pulled Startup is impossible Idling stops possible Starts but when accelerates Starts but Seizure of the piston ring Seizure of the connecting Disassembiv ard Balls rod bearing replacement No fuel in the tank Replenishment The plug does not Clogged fuel filter Cleaning or replacement become wet with fuel Faulty vent hole check Replacement after repeated valve on the tank p starting operation Dirt clogging the carburetor Poor throttling and pumping Appropriate starting method Dirty or faulty plug Cleaning or replenishment No spark connected high voltage cord high voltage cord ignition coil Removal of foreign matter Short circuited due to foreign matter between In case of frequent the plug electrodes occurrence disassemble and clean the engine Faulty piston ring No compression Parts replacement The crankshaft does not rotate Expired service life of the oil seal Dirty or faulty plug Cleaning or replacement Weak spark Improper air gap Adjustment Worn piston ring Replacement although startup is Low compression Expired service life of the oil sal Replacement Good spark and Revolutions too low for idling Adjustm
26. roperly handle maintain inspect and store the product with emphasis placed on periodic inspection Advise them to utilize our replenishment and repair systems for spare parts 1 Instruction Manual Each process of chain saw design fabrication and inspection is subject to the utmost care to ensure safety as a commercial product however an engine powered chain saw is inherently dangerous To protect customers against such danger and ensure safe use of the engine powered chain saw the Instruction Manual describes precautions on using the product Upon selling the product urge the customers to carefully read the Instruction Manual and give them appropriate guidance 2 Caution Plate The nameplate and caution plates attached to the product describe cautions requiring special attention to ensure the safe use of the product Destination USA WARNING APORTA ENGINE PORRA Destination Western Northern Eastern Europe 5 Destination Australia Russia and Eastern Europe 3 Thorough Instruction to the Customers 1 Thorough instructions on start stop methods Thoroughly instruct the customers on how to start and stop the product Regarding startup emphasize the difference between when the engine is cool and when the engine is warm and focus on cautions regarding chain blade rotation with the choke fully open after initial combustion at choke startup and at startup with the throttle open halfway 2 Fuel u
27. sed O This product is equipped with a two cycle gasoline engine instruct the customers how to use the fuel mixed adequately at a ratio of 25 to 50 to one for gasoline and two cycle dedicated oil O Using plastic bottles such as polyethylene and PET to store the fuel will lead to trouble due to dissolved plastics components Instruct the customers to use bottles specifically designed to store the fuel O The fuel deteriorates and changes in quality when stored for a long time Improper storage conditions such as a loose plug in summer may cause deterioration even in one day Therefore instruct the customers not to store prepared fuel but only prepare fuel on an as needed basis 3 Chain oil Instruct the customers to use Hitachi chain saw oil 1 liter sold separately or commercially available SAE20 or SAE30 engine oil Remind the customers to always replenish the chain oil when replenishing the fuel 4 Adjusting saw chain tension Low saw chain tension may damage the blades or guide bar and even result in blades being detached under extremely low tension In particular new saw chain tend to quickly elongate therefore advise the customers to frequently adjust saw chain tension 5 Storage When the chain saw is not to be used for a prolonged period instruct the customers to empty the fuel tank and run the chain saw in idling mode until it stops in order to empty the carburetor The carburetor must be emptied since the gasoline component
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