Hitachi CS 33EA Technical Data And Service Manual
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Hitachi CS 33EA Technical Data And Service Manual

Engine chain saw
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PRODUCT NAME
Hitachi Engine Chain Saw
CS 33EA
Models
CS 33ET
MARKETING OBJECTIVE
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
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 POINTS
[ NEW FEATURES ]
New Pure Fire engine
Soft grip handle (The first in the industry)
Slide hook (CS33ET)
[Same features as the conventional models]
S-Start
Steering wheel shape by human engineering
The best balance
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT.
LIST Nos.
CS 33EA : E056
CS 33ET : E055
[CS33ET]
International Sales Division
Mar.2009
Mar.2009
C

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Summary of Contents for Hitachi CS 33EA

  • Page 1 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.
  • Page 2 REMARK: • For more information about HANDLING INSTRUCTIONS, visit our website at: http://www.hitachi-koki.com/manual_view_export/ • 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:...

  • Page 3: Table Of Contents

    3. Through Instruction to the Customers ---------------------------------------------------------------------- 6 TROUBLESHOOTING GUIDE ---------------------------------------------------------------------------------------------- 7 REPAIR GUIDE ----------------------------------------------------------------------------------------------------------------- 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...

  • Page 4: Selling Point Descriptions

    SELLING POINT DESCRIPTIONS New Pure Fire Engine Equipped 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...
  • Page 5 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 old choke. Steering wheel shape by human engineering The handle is indented to accommodate the operator’s thumb when gripped, thereby affording easier gripping.

  • Page 6: Specifications

    SPECIFICATIONS Model CS 33EA CS 33ET Remarks Engine type Air-cooled, two-cycle gasoline engine Cylinder quantity 1-37 x 30 mm inner diameter x stroke Engine displacement 32.3 mL Momentary no-load 12,000 min revolutions Revolutions at actual Service revolutions 7,000 to 9,000 min...

  • Page 7: Comparisons With Similar Products

    COMPARISONS WITH SIMILAR PRODUCTS Handle location Rear Manufacturer/ HITACHI HITACHI Model Item CS 33ET CS 33EA Piston 32.3 30.1 32.6 32.3 34.4 36.3 displacement Maximum output – Tank capacity Oil tank capacity 30, 35 30 - 40 30 - 40...

  • Page 8: Precautions In Sales Promotion

    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 properly handle, maintain, inspect and store the product, with emphasis placed on periodic inspection.

  • Page 9: Thorough Instruction To The Customers

    (3) Chain oil Instruct the customers to use Hitachi chain saw oil (1 liter) sold separately or commercially available SAE20 or SAE30 engine oil.

  • Page 10: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Situation Cause Measure Seizure of the piston ring Starter handle The crankshaft does Disassembly and parts Seizure of the connecting cannot be pulled. not rotate. replacement rod bearing No fuel in the tank Replenishment Clogged fuel filter Cleaning or replacement The plug does not become wet with fuel Faulty vent hole (check...

  • Page 11: Repair Guide

    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. 1. Precautions on maintenance, inspection and repair The fuel used readily ignites; therefore, never bring the product near a flame. Use new gaskets at reassembly.
  • Page 12 Repair flow chart Broken piston ring Replacement Pull the recoil starter. Pulling is possible when you Seized piston or cylinder Replacement feel a slight compression. Broken connecting rod needle Replacement bearing Seized ball bearing Replacement Impossible to pull Magneto rotor contact with ignition Adjustment coil Broken starter...
  • Page 13 Pulling the throttle lever Clogged cylinder exhaust port or Cleaning increases the speed. carbon clogging the muffler High speed unavailable Clogged air cleaner Cleaning The chain brake is on. Release When the revolutions increase … Dirt clogging the carburetor Cleaning high-speed fuel line Revolutions fluctuate Faulty carburetor pump diaphragm...
  • Page 14 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 <Bold> numbers to those in the Parts List and the exploded assembly diagram for Model CS 33ET.

  • Page 15: Adjusting The Carburetor

    3. Electric Wiring The following diagram shows the wiring. (a) When connecting the High Voltage Cord [11] <11> and Spark Plug Cap Ass’y [10-1] <10-1>, insert the High Voltage Cord [11] <11> with a small amount of oil applied to its tip into the Spark Plug Cap Ass’y [10-1] <10-1>...
  • Page 16 (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 • Idling adjustment (i) By using the Idle Adjust Screw [224] <231>, set the revolutions so that the saw chain does not start rotating while the engine runs stably.
  • Page 17 Screw tightening torque Units : N•m {kgf•cm} Location Quantity Dimension Tightening torque Recoil Fan Case Comp. Tapping Screw D4.5 x 20 2.0 to 3.0 {20 to 30} Starter Ass'y [136] <137> [140] <141> Magneto Rotor Ass'y Flywheel Nut [31] <31> 15.0 to 20.0 {150 to 205} [29] <29>...
  • Page 18 LIST NO. E056 ENGINE ENGINE CHAIN SAW 2009 3 3 Model CS 33EA (E1)
  • Page 19 CS 33EA - 2 - 3 - 09...
  • Page 20 CS 33EA 3 - 09 - 3 -...
  • Page 21 PARTS CS 33EA ITEM CODE NO. DESCRIPTION REMARKS USED 668-5078 CIRCLIP 668-5079 PISTON PIN 668-5080 PISTON SET INCLUD. 1,4 668-5081 PISTON RING 668-5082 SCAVENGING COVER (B) 668-5083 CYLINDER PACKING 668-5084 CYLINDER SET INCLUD. 6 668-4668 HEX. HOLE BOLT M5X20/S 668-5085 SPARK PLUG BPM6A...
  • Page 22 FOR EUROPE, USA 668-5295 CHAIN BAR 14 INCH 3/8 SP FOR EUROPE, AUS, USA 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.
  • Page 23 PARTS CS 33EA ITEM CODE NO. DESCRIPTION REMARKS USED 668-5173 AIR VENT VALVE (B) 668-5271 ENGINE CASE ASS'Y INCLUD. 122, 124 668-5175 INNER CAP ASS'Y 668-5176 AIR DEFLECTOR 668-5177 OIL TANK CAP PACKING 668-5178 OIL TANK CAP ASS'Y INCLUD. 126...
  • Page 24 PARTS CS 33EA ITEM CODE NO. DESCRIPTION REMARKS USED 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...
  • Page 25 STANDARD ACCESSORIES CS 33EA ITEM ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED USED 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 - Printed in Japan...
  • Page 26 LIST NO. E055 ENGINE ENGINE CHAIN SAW 2009 3 3 Model CS 33ET (E1)
  • Page 27 CS 33ET - 2 - 3 - 09...
  • Page 28 CS 33ET 3 - 09 - 3 -...
  • Page 29 PARTS CS 33ET ITEM CODE NO. DESCRIPTION REMARKS USED 668-5078 CIRCLIP 668-5079 PISTON PIN 668-5080 PISTON SET INCLUD. 1,4 668-5081 PISTON RING 668-5082 SCAVENGING COVER (B) 668-5083 CYLINDER PACKING 668-5084 CYLINDER SET INCLUD. 6 668-4668 HEX. HOLE BOLT M5X20/S 668-5085 SPARK PLUG BPM6A FOR USA 668-5086 SPARK PLUG BPMR6A FOR EUROPE, AUS...
  • Page 30 PARTS CS 33ET ITEM CODE NO. DESCRIPTION REMARKS USED 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.
  • Page 31 668-5187 FAN CASE COMP. 668-5188 STARTER HANDLE 668-5189 PLATE 668-5190 RECOIL STARTER ASS'Y INCLUD. 131-139 668-5191 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...
  • Page 32 PARTS CS 33ET ITEM CODE NO. DESCRIPTION REMARKS USED 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.
  • Page 33 STANDARD ACCESSORIES CS 33ET ITEM CODE NO. DESCRIPTION REMARKS USED 668-5255 CHAIN COVER 12" FOR EUROPE, AUS, USA 668-5256 CHAIN COVER 14" FOR EUROPE, USA 668-5257 COMBI BOX SPANNER 10/19MM - 8 - Printed in Japan 3 - 09 *ALTERNATIVE PARTS (090303N)

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