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PRODUCT NAME
Hitachi Engine Chain Saw
CS 33EB
Models
CS 33EB (P)
CONTENTS
TROUBLESHOOTING GUIDE --------------------------------------------------------------------------------------------- 1
REPAIR AND MAINTENANCE GUIDE ----------------------------------------------------------------------------------- 2
1. Precautions on Maintenance, Inspection and Repair -------------------------------------------------- 2
2. Inspection Standards and Spark Plug Replacement ---------------------------------------------------- 2
TIGHTENING TORQUES ---------------------------------------------------------------------------------------------------- 8
LIST No. E058
Oct. 2009
Page
International Sales Division
C

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Summary of Contents for Hitachi CS 33EB

  • Page 1: Table Of Contents

    LIST No. E058 Oct. 2009 PRODUCT NAME Hitachi Engine Chain Saw CS 33EB Models CS 33EB (P) Page CONTENTS TROUBLESHOOTING GUIDE --------------------------------------------------------------------------------------------- 1 REPAIR AND MAINTENANCE GUIDE ----------------------------------------------------------------------------------- 2 1. Precautions on Maintenance, Inspection and Repair -------------------------------------------------- 2 2. Inspection Standards and Spark Plug Replacement ---------------------------------------------------- 2...
  • Page 2: Troubleshooting Guide

    TROUBLESHOOTING GUIDE Situation Cause Corrective action Seizure of the piston ring Starter handle The crankshaft does Disassembly and parts Seizure of the connecting rod cannot be pulled. not rotate. replacement bearing No fuel in the tank Replenishment Clogged fuel filter Cleaning or replacement The plug does not become wet with...
  • Page 3: Repair And Maintenance 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 Standards and Spark Plug Replacement Item CS 33EB/CS 33EB (P) Idling revolutions (rpm) 2,900 to 3,300...
  • Page 4 Repair flowchart 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 bearing Replacement Seized ball bearing Replacement Impossible to pull Magneto rotor contact with ignition coil Adjustment Broken starter Inspection/replacement...
  • Page 5 Pulling the throttle lever increases the speed. Clogged cylinder exhaust port or carbon Cleaning High speed unavailable clogging the muffler Clogged air cleaner Cleaning The chain brake is on. Release When the revolutions increase … Dirt clogging the carburetor high-speed Cleaning Revolutions fluctuate fuel line...
  • Page 6: Ignition Coil [53]

    Inspection and repair procedures [Bold] numbers in the description below correspond to item numbers in the Parts List and the exploded assembly diagram for the Models CS 33EB/CS 33EB (P). Always stop the engine prior to disassembly or when replacing the saw chain.
  • Page 7: Carburetor Ass'y [31]

    3. Wiring diagram The following diagram shows the wiring. (1) Use Cord (A) [93] to connect the connector of the Ignition Coil [53] to the Stop Switch [91]. (2) Connect Cord (B) [55] to the connector of the Stop Switch [91], and then tighten the Hex. Socket Hd. Bolts M4 x 18 [54] to secure Cord (B) [55] to the Ignition Coil [53].
  • Page 8: Clutch [9]

    5. Cleaning the chain oil filler ports (1) Remove the Chain Bar [19] and remove all sawdust clogging the filler ports. (2) Remove sawdust from the groove on the Chain Bar [19] along which the saw chain travels and from the chain oil filler holes.
  • Page 9: Tightening Torques

    TIGHTENING TORQUES N•m {kgf•cm} Location Quantity Screw type Tightening torque Tapping Screw (W/Flange) D5 x 20 Recoil Starter Case [159] 2.4 to 3.4 {25 to 35} starter (Black) [33] Hex. Socket Hd. Bolt (W/Flange) Ignition Coil [53] 2.5 to 4.5 {26 to 46} M4 x 18 [54] Electrical Magneto Rotor [69]...
  • Page 10 LIST NO.E058 ENGINE 2009 9 28 ENGINE CHAIN SAW Model CS 33EB (E1)
  • Page 11 CS 33EB - 2 - 9 - 09...
  • Page 12: Tapping Screw (W/Flange) D5 X

    PARTS CS 33EB ITEM CODE NO. DESCRIPTION REMARKS USED 668-5416 CHAIN BAR CLAMP NUT NAME PLATE 668-5406 SIDE COVER SUB 668-5387 BRAKE SUPPORT 668-5388 BRAKE LINK 668-5392 BRAKE LINK COVER 305-812 TAPPING SCREW (W/FLANGE) D4 X 16 (BLACK) 668-5389 BRAKE SPRING...
  • Page 13 PARTS CS 33EB ITEM CODE NO. DESCRIPTION REMARKS USED 669-6323 METEALING LEVER SPRING 668-5217 CONTROL LEVER 668-4690 METERING DIAPHRAGM COMP. 668-5220 DIAPHRAGM PACKING 668-5222 DIAPHRAGM COVER 669-6324 PUMP COVER SCREW 669-6325 PUMP DIAPHRAGM 668-4700 INLET SCREEN 668-5215 NEEDLE VALVE 668-5219 HINGE PIN...
  • Page 14 PARTS CS 33EB ITEM CODE NO. DESCRIPTION REMARKS USED 668-5364 STOP SWITCH 668-5307 ENGINE CASE 668-5365 CORD (A) 668-5370 AIR VENT VALVE (B) 668-5371 AIR VENT SPONGE 668-5386 TANK CAP PACKING 668-5384 FUEL TANK CAP ASS'Y INCLUD. 96 668-5391 NEEDLE ROLLER D3 949-454 SPRING WASHER M5 (10 PCS.)
  • Page 15 PARTS CS 33EB ITEM CODE NO. DESCRIPTION REMARKS USED 668-5426 STARTER CASE 668-5424 RECOIL STARTER ASS'Y INCLUD. 152-159 HITACHI LABEL 305-558 TAPPING SCREW (W/FLANGE) D5 X 25 (BLACK) STANDARD ACCESSORIES ITEM CODE NO. DESCRIPTION REMARKS USED 668-5401 CHAIN COVER 12"...

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Cs 33ebp

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