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Hitachi CS 51EA manual

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Table of contents for the manual

  • Page 1

    Chain Saw Model CS 51EA Handling instructions Note: Before using this machine, carefully read through these HANDLING INSTRUCTIONS to ensure e ffi cient, safe operation. It is recommended that these INSTRUCTIONS be kept readily available as an important reference when using this machine. 000Book_CS51EA_Eng.indb 1 000Book_CS51EA_Eng.indb 1 2011/09/04[...]

  • Page 2

    2 English MEANINGS OF SYM BO L S NOTE: Some units do not carry them. Symbols W ARNING The followin g show symbols used for the ma chine. Be sure tha t you understand their meaning bef ore use . It is important that you read, fully understand and observe the following safety precautions and warni ngs . Careless or improper use of the unit ma y cause[...]

  • Page 3

    3 English WHA T IS WHA T? 1. Throt tle lev er: Device act ivated by the operator ʼ s fi nger , for controlling the engine speed. 2. Throttle le ver lockout: Device that pre vents the accidental operation of the throttle lever until manually released. 3. Stop sw itch: Device for allowing the engine to be started or stopped. 4. Oil tank cap : For c[...]

  • Page 4

    4 English ○ Make sure the automatic oiler is wo rki ng. Kee p the oil tank fi lled with clean oil. Never let chain run dry on the bar . ○ All chain saw service, other than the items list ed in the operator ʼ s/ owner ʼ s manual, should be per formed by compet ent chain-saw ser vice personnel. (Fo r example, if improper tool s are used to rem[...]

  • Page 5

    5 English SPECIF ICA TIONS ○ Code “CS” of model name means “Cha in sa w ” Model CS5 1EA (40 S) C S 51 E A (4 5 S) C S 51EA (50 S) Ty p e of equipment Chain saw , portable Engine Size (cm 3 ) 50. 1 Spark Plug NGK BP MR- 7A Fue l Ta n k Capacit y (c m 3 )5 3 0 Chain Oil Ta n k Capac ity (c m 3 )2 7 0 Dry Weight (kg) (Witho ut guide bar and [...]

  • Page 6

    6 English CAUTI ON PROPER TENSION IS EX TREMEL Y IMPORT ANT 8. Raise the bar end and securely tighten the guide bar clamp nuts with the combi box spanner . ( Fig. 7 ) 9. A new chain will stretch so adjust the chain after a few cuts and watch chain tension carefully for the fi rst half hour of cutting. NOTE Check the chain tensi on frequently for o[...]

  • Page 7

    7 English 15 16 Fig. 9 Chain oil (Fig . 9) Fill up with chain oil (16). Always use good quality chain oil. When the engine is running, the chain oil is automatically discharged. NOTE When pouring fuel (15 ) or chain oil (16) into the tank, place the unit with cap side up. ( Fig . 9 ) ADJUSTMENT OF CHAIN OIL S UPPL Y The chain oil quantity discharge[...]

  • Page 8

    8 English 4. Pull recoil starter briskly , taking care to keep the handle in yo ur grasp and not allowing it to snap back. ( Fig. 15 ) Fig. 15 5. When you hear fi rst ignition, return the chok e lever (19) all the way in. ( Fig. 13 ) 6. Push the decompression valve. 7. Pull recoil star ter briskly again in the aforementioned manner . ( Fig. 15 ) N[...]

  • Page 9

    9 English ○ In case the chain locked, immediately release the thro ttle lever . If the throt tle lever ke ep s rotating at high speed with the chain locked, the clutch will ove rh eat causing trouble . NOTE Always ke ep the spiked bumper face to a tree, beca use the chain may suddenly be drawn into a tree. FELLING Felling is more than cutting dow[...]

  • Page 10

    10 English CROSS CUTTING LOGS, PRESSU RE ON TOP Ta k e a fi rm stance. Begin with an upper cut. Do not cut too deeply , about 1/3 of the log diameter is enough. Finish with a bottom cut. The saw cuts should meet. ( Fig. 24 ) 30 28 31 32 29 33 Fig. 24 28. Relieving cut 29. Cross cut 30. Pre ssure on top 31. Pressure side 32. Te n s i o n side 33. R[...]

  • Page 11

    11 English Id le s p ee d a dj us tm e nt ( T ) Ch ec k th at t he a i r fi lte r is clean . Wh en th e idl e spe ed i s c orrect , th e cu t ti ng a t t ac hm en t wi ll n ot r ot at e. If a dj us t me nt i s re qu ir ed , cl o se (clo c k wi se) th e T-sc re w, wit h th e e ng in e r un ni ng , un ti l th e c ut t in g attachment starts to rotat[...]

  • Page 12

    12 English Chain oil fi lter (Fig. 37) Remove the oil fi lter and thoroughly wash it in solvent. Fig. 37 Cleaning the cylinder fi ns (Fig . 38) When wood chips are caught between cylinder fi ns (4 4), the engine may overheat, resulting in lower output. To avoi d this, alw ays keep cylinder fi ns and fan case clean. 44 Fig. 38 Icing protection [...]

  • Page 13

    13 English Fig. 43 4) Round o ff front corner to maintain original shape of depth ga uge after using depth gauge too l. Alway s follow the recommended depth gauge set ting found in the maintenance or operator manual for your saw . ( Fig. 44 ) Fig. 44 GENERAL INSTRUCTIONS FOR FILING CUT TERS File (60) cutter on one side of the chain from the inside[...]

  • Page 14

    14 000Book_CS51EA_Eng.indb 14 000Book_CS51EA_Eng.indb 14 2011/09/04 16:26:50 2011/09/04 16:26:50[...]

  • Page 15

    15 ITEM NO. PART NAME Q’TY 1 START LABEL 1 2 CLEANER COVER (C51) 1 3 SHUTTER PLATE 1 4 COVER SET BOLT 7 5 CYLINDER COVER (C51) 1 6 CLEANER KNOB 1 7 KNOB PACKING 1 8 CLEANER ELEMENT (B) 1 9 CLEANER ELEMENT (A) 1 10 NUT M6 3 11 BOLT WASHER M6 1 12 SPRING HOLDER 1 13 HEX. SOCKET HD. BOLT (W/FLANGE) M6 × 20 1 14 ANTIVIBRATION SPRING 1 15 DAMPER SET [...]

  • Page 16

    Shinagawa Intercity Tower A, 15-1, Konan 2-chome, Minato-ku, Tokyo, Japan 109 Code No. E99245511 G Printed in China 000Book_CS51EA_Eng.indb 16 000Book_CS51EA_Eng.indb 16 2011/09/04 16:26:53 2011/09/04 16:26:53[...]