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Hitachi CS 33EDT Service Manual
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Hitachi CS 33EDT Service Manual

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PRODUCT NAME
Hitachi Engine Chain Saw
CS 33EDT
Models
CS 33EDTP
MARKETING OBJECTIVE
We have released the new Models CS 33EDT and CS 33EDTP—top handle chain saws featuring a built-in
engine compliant with second stage emission regulations, a lightweight body, and a low-vibration handle.
With these models in hand, we expect you to expand the sales of Hitachi power tools.

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 carpentry
• Leisure: Cutting firewood at campsites
• Farm: Cutting firewood, preparing lumber for cultivating mushrooms, and cutting off tree branches
• Carpentry: Rough cutting or cast-away cutting of pillars, back slitting, cutting used lumber and timber
• Civil engineering and construction: Cutting posts to equal lengths, cutting used lumber and timber
• Other: Rough cutting for large wood carvings
SELLING POINTS

[NEW FEATURES]

New pure fire engine (CS 33EDTP)
Anti-vibration springs in handle for low vibration
Lightweight at only 3.4 kg
Specifications AND PARTS ARE SUBJECT TO
CHANGE FOR IMPROVEMENT.
LIST Nos.
CS 33EDT: E098
CS 33EDTP: E099
Nov. 2011
International Sales Division
C

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Summary of Contents for Hitachi CS 33EDT

  • Page 1 CS 33EDTP MARKETING OBJECTIVE We have released the new Models CS 33EDT and CS 33EDTP—top handle chain saws featuring a built-in engine compliant with second stage emission regulations, a lightweight body, and a low-vibration handle. With these models in hand, we expect you to expand the sales of Hitachi power tools.
  • Page 2 REMARKS: • For more information about HANDLING INSTRUCTIONS, visit our website at: http://www.hitachi-koki.com/manual_view_export/ • This TECHNICAL DATA AND SERVICE MANUAL utilizes symbols to denote the company names and model names of our competitors. The symbols utilized herein are as follows:...

  • Page 3: Table Of Contents

    1. Troubleshooting and correction ----------------------------------------------------------------------------- 7 REPAIR GUIDE ---------------------------------------------------------------------------------------------------------------- 9 1. Precautions on maintenance, inspection and repair --------------------------------------------------- 9 2. Inspection criteria for each section and consumable parts ------------------------------------------- 9 Assembly diagram for CS 33EDT Assembly diagram for CS 33EDTP...

  • Page 4: Selling Point Descriptions

    50 or less (Unburnt material + nitrogen oxide) (g/kWh) Anti-vibration springs in handle for low vibration Anti-vibration springs built into the handle reduce vibration. Maker HITACHI HITACHI Model CS 33EDT CS 33EDTP CS 33ET Vibration level (m/s 4.4/6.1 8.0/9.4 7.2/5.8 (Front/Rear) Anti-vibration springs Lightweight at only 3.4 kg...

  • Page 5: Specifications

    SPECIFICATIONS 1. Specifications Model CS 33EDT CS 33EDTP Remarks Item Engine type Air-cooled, two-cycle gasoline engine Cylinder quantity 1-37 x 30 mm - inner diameter x stroke Engine displacement 32.2 mL Momentary no-load 11,500 to 13,000 min revolutions Service revolutions...

  • Page 6: Comparison With Similar Products

    COMPARISON WITH SIMILAR PRODUCTS 1. Comparison of specifications (Superior specifications: Maker HITACHI Model Item CS 33EDT CS 33EDTP CS 33ET Piston 32.2 32.2 32.6 displacement Maximum output Tank capacity Oil tank capacity 300-350 300-350 300-400 Bar length (inch) (12” - 14”) (12”...

  • Page 7: Precautions On Sales Promotion

    1. Safety instructions In the interest of promoting the safest and most efficient use of the Models CS 33EDT and CS 33EDTP (PS) Engine Chain Saws by all of our customers, it is very important when concluding a sale that the...
  • Page 8 Destination: Russia Destination: Australia Destination: Asia, others...

  • Page 9: Thorough Instruction To The Customers

    C. 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 1. Troubleshooting and correction Situation Cause Measure Seizure of the piston ring Starter handle The crank shaft Disassembly and parts Seizure of the connecting rod cannot be pulled. does not rotate. replacement bearing No fuel in the tank Replenishment Clogged fuel filter Cleaning or replacement...
  • Page 11 Situation Cause Measure Fluctuating Dirt clogging the high-speed fuel revolutions at high line speed Starts, but … Cleaning Excessive fuel Clogged air cleaner consumption No oil in the tank Replenishment Clogged oil filler port Clogged oil filler port on the guide Cleaning Chain oil is not discharged.

  • Page 12: Repair Guide

    After completing repair, always return the throttle lever to the idling position and set the stop switch to the engine stop position. 2. Inspection criteria for each section and consumable parts Model CS 33EDT/CS 33EDTP Item Idling revolutions (rev./min) 2,800 to 3,200 No-load maximum revolutions (rev./min)
  • Page 13 Repair flow chart Broken piston ring Replacement Pull the recoil starter. Seized piston or cylinder Replacement Pulling is possible when you feel a slight compression. Broken connecting rod needle Replacement bearing Seized ball bearing Replacement Impossible to pull Magneto rotor contact with ignition Adjustment coil Inspection/replacement...
  • Page 14 The engine starts, but when the Clogged fuel filter Cleaning throttle is pulled … Inadequate warm-up, especially in Warm-up cold weather The engine stalls. The engine stalls. Faulty ignition coil Replacement Pulling the throttle lever Pulling the throttle lever Clogged cylinder exhaust port or Cleaning increases the speed.
  • Page 15 [Bold] numbers in the descriptions below correspond to item numbers in the Parts List and exploded assembly diagram for the Model CS 33EDT; <Bold> numbers correspond to those in the Parts List and exploded assembly diagram for the Model CS 33EDTP.

  • Page 16: Adjusting The Carburetor

    3. Electric wiring The following diagram shows the wiring. (a) Insert the high voltage cord of the Ignition Coil [95]<95> through the Spark Plug Cap [101]<101> with a small amount of oil applied to its tip. Then penetrate through the core wire of the high voltage cord with the metal fitting of Plug Cap (A) [99].
  • Page 17 5. Cleaning the chain oil filler ports (a) Remove the chain bar and remove any sawdust • Chain oil filler ports clogging the filler ports. Chain oil filler ports (b) Remove sawdust from the groove on the chain bar • Chain oil filler holes along which the saw chain travels, and from the chain oil filler holes.
  • Page 18 Screw tightening torque Units: N•m {kgf•cm} Location Quantity Part name Tightening torque Recoil Tapping Screw (W/Flange) 1.5 to 2.5 Recoil Starter [168]<167> starter D4 x 20 [169]<168> {15.3 to 25.5} Hex. Socket Hd. Bolt Ignition Coil [95]<95> 2.7 to 4.1 {28 to 42} (W/Washers) M4 x 18 [103]<103>...
  • Page 19 LIST NO. E098 ENGINE ENGINE CHAIN SAW 2011 · 11 · 18 Model CS 33EDT (E2)
  • Page 20 CS 33EDT - 2 - 11 - 11...
  • Page 21 PARTS CS 33EDT ITEM ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED USED 668-5225 AIR CLEANER BASE 949-824 HEX. SOCKET HD. BOLT M5 X 45 (10 PCS.) 669-6826 CLEANER SPONGE (B) 668-5230 CLEANER ELEMENT A COMP. 668-5231 CLEANER ELEMENT B COMP.
  • Page 22 PARTS CS 33EDT ITEM ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED 668-5139 PRIMING PUMP COMP. 668-5371 AIR VENT SPONGE 668-5370 AIR VENT VALVE (B) 669-6811 OIL PIPE 668-5358 PIPE JOINT 669-8456 FLANGED TAPPING SCREW D5 X 15 668-5363 CHAIN CATCHER 669-6807 ENGINE CASE ASS'Y INCLUD.
  • Page 23 PARTS CS 33EDT ITEM CODE NO. DESCRIPTION REMARKS USED 668-5226 WASHER M5 (BLACK) 669-8864 CAUTION LABEL (HOT) 669-8787 GROMMET 669-8860 PROTECTION SHEET 669-8861 PACKING PLATE 669-8862 MUFFLER SPECIAL PACKING (S) 668-4899 WOODRUFF KEY 3 X 13 X 4.5 669-8863 CORD INSULATION TUBE...
  • Page 24 PARTS CS 33EDT ITEM CODE NO. DESCRIPTION REMARKS USED CAUTION LABEL (D) FOR AUS, NZL CAUTION LABEL (E) FOR RUS 669-6779 BRAKE LINK COVER 668-5199 PUMP FILTER BODY 668-5311 CLIP 668-5310 OIL FILTER BODY 669-6804 OIL FILTER 668-5407 BOLT WASHER D5...
  • Page 25 LIST NO. E099 ENGINE ENGINE CHAIN SAW 2011 · 11 · 18 Model CS 33EDTP (E2)
  • Page 26 CS 33EDTP - 2 - 11 - 11...
  • Page 27 PARTS CS 33EDTP ITEM CODE NO. DESCRIPTION REMARKS USED 668-5225 AIR CLEANER BASE 949-824 HEX. SOCKET HD. BOLT M5 X 45 (10 PCS.) 669-6826 CLEANER SPONGE (B) 668-5230 CLEANER ELEMENT A COMP. 668-5231 CLEANER ELEMENT B COMP. 669-6825 CLEANER SPONGE (A) 669-6785 CLEANER COVER 669-6786 CLEANER KNOB 305-812...
  • Page 28 PARTS CS 33EDTP ITEM CODE NO. DESCRIPTION REMARKS USED 668-5139 PRIMING PUMP COMP. 668-5371 AIR VENT SPONGE 668-5370 AIR VENT VALVE (B) 669-6811 OIL PIPE 668-5358 PIPE JOINT 669-8456 FLANGED TAPPING SCREW D5 X 15 668-5363 CHAIN CATCHER 669-6807 ENGINE CASE ASS'Y INCLUD.
  • Page 29 PARTS CS 33EDTP ITEM CODE NO. DESCRIPTION REMARKS USED 668-5226 WASHER M5 (BLACK) 669-8864 CAUTION LABEL (HOT) 669-8787 GROMMET 669-8860 PROTECTION SHEET 669-8861 PACKING PLATE 669-8862 MUFFLER SPECIAL PACKING (S) 668-4899 WOODRUFF KEY 3 X 13 X 4.5 669-8863 CORD INSULATION TUBE 316-458 TAPPING SCREW D5 X 40 (BLACK) 669-8858 WASHER 1.0...
  • Page 30 669-6804 OIL FILTER 668-5407 BOLT WASHER D5 669-6790 AIR DEFLECTOR 669-6824 RECOIL STARTER (GREEN) 302-086 TAPPING SCREW (W/FLANGE) D4 X 20 (BLACK) HITACHI LABEL 669-8457 CORD INSULATION TUBE 669-8865 SPRING COVER 668-5308 FUEL GROMMET (A) STANDARD ACCESSORIES ITEM CODE NO.

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