Hitachi CG 25SC Service Manual
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Hitachi CG 25SC Service Manual

250 mm/300 mm
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PRODUCT NAME
Hitachi 250 mm Grass Trimmer
CG 25SC
Model
Hitachi 300 mm Grass Trimmer
CG 30SC
Model
CONTENTS
REPAIR GUIDE ----------------------------------------------------------------------------------------------------------------- 1
1. Precautions on disassembly and reassembly ----------------------------------------------------------- 1
STANDARD REPAIR TIME (UNIT) SCHEDULES ------------------------------------------------------------------ 12
CG 25SC
Overseas Sales Division
LIST Nos.
LIST No.
CG 25SC:
xxx. 2014
CG 30SC:
May 2015
C
Page
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Summary of Contents for Hitachi CG 25SC

  • Page 1 LIST Nos. LIST No. CG 25SC: xxx. 2014 CG 30SC: May 2015 PRODUCT NAME Hitachi 250 mm Grass Trimmer CG 25SC Model Hitachi 300 mm Grass Trimmer CG 30SC Model CONTENTS Page REPAIR GUIDE ----------------------------------------------------------------------------------------------------------------- 1 1. Precautions on disassembly and reassembly ----------------------------------------------------------- 1...

  • Page 2: Repair Guide

    1. Precautions on disassembly and reassembly [Bold] and numbers in the description below correspond to the item numbers in the parts lists and exploded assembly diagrams of the Models CG 25SC and CG 30SC, respectively. Disassembly of the Model CG 25SC CAUTION: Be careful not to cut your finger with the Blade [51] located on the back of the Protecting Cover [50].
  • Page 3 (3) Remove the eight Screws ST4 x 16 [4] from Housing (R) [29] and Housing (L) [35]. Detach the Motor [39] with the Wire Roll Support [41], Button [32], Lock Pin [33], and Spring (C) [34] as shown in Fig. 3. (4) Remove the two Screws ST3 x 6 [30] from the Pipe Ass'y [24] to remove the Spacer [31] as shown in Fig.
  • Page 4 3. Disassembling the handle section (1) First, remove the Hanger Ass'y [16] and then Fig. 5 use a flat-blade screwdriver to pry off the Handle Ring [25]. Apply a piece NOTE: Apply a piece of cloth to the flat of cloth here. end of the screwdriver to protect parts.
  • Page 5 Reassembly of the Model CG 25SC Reverse the disassembly procedure to reassemble the Model CG 25SC. However, pay particular attention to the following. 1. Notices on reassembly (1) Press-fit the Wire Roll Support [41] to the Motor [39] until the Fig.
  • Page 6 2. Checking after reassembly (1) Check that the Lock Off Button [12] can be operated normally. Check that the trimmer does not operate just by pulling the Trigger [8]. (2) Push the Button [32] and check that Housing (R) [29] and Housing (L) [35] can be turned 180° and locked correctly.
  • Page 7 Disassembly of the Model CG 30SC CAUTION: Be careful not to cut your finger with the Blade <46> located on the back of the Protecting Cover <45>. 1. Disassembling the housing section (1) Open the Guide <44> wide and detach it from the housing Fig.
  • Page 8 (3) Remove the eight Screws ST4 x 16 <1> from Housing (R) <43> and Housing (L) <41>. Detach the Motor <37> with the Wire Roll Support <49>, Button <34>, Lock Pin <35>, and Spring (C) <36> as shown in Fig. 11. (4) Remove the two Screws ST3 x 6 <32>...
  • Page 9 3. Disassembling the handle section (1) Remove the eight Screws ST4 x 16 <1> from Handle (R) <2> and Handle (L) <13>. Remove the Trigger <6>, Spring (A) <5>, Spring (B) <3>, and the Lock Off Button <4> as shown in Fig. 13. (2) Remove the two Screws ST4 x 12 <11>...
  • Page 10 Cap <53> may fall off. <49> NOTE: The wire roll support of the Model CG 30SC is similar to that of the Model CG 25SC but they are not interchangeable (5-mm portion is slightly <52> different in shape.) Do not mismount.

  • Page 11: Screw Tightening Torque

    4,000 VAC for 1 minute, with no abnormalities No-load current After no-load operation for five minutes, the no-load current value at a frequency of 50 Hz should be as follows: Model CG 25SC: 2.2 A (max.) Model CG 30SC: 2.3 A (max.) -10-...

  • Page 12: Wiring Diagram

    Wiring diagram • Model CG 25SC Switch Black or white Red or blue Blue Black Cord Capacitor Black Brown Black or white Red or blue NOTE: *1: The color of the internal wire may be red or blue depending on the shipping conditions.

  • Page 13: Standard Repair Time (Unit) Schedules

    STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow CG 25SC Handle (R) Cord CG 30SC Handle (L) Cord Armor Trigger Lock Off Button Switch General assembly Housing (R) Spacer Housing (L) Button Motor Lock Pin Wire Roll Support Pipe Ass’y...
  • Page 14 GRASS 2015 · 3 · 10 Model CG 25SC...
  • Page 15 PARTS CG 25SC ITEM DESCRIPTION REMARKS CODE NO. USED 337955 Cord (Europe) 338320 Cord (Swiss) 337956 Cord Armor 337957 Terminal Block 337992 Tapping Screw ST4 X 16 (5 pcs.) 337954 Handle (R) 337959 Ferrite Core (A) 337958 Capacitance 337960 Trigger...
  • Page 16 PARTS CG 25SC ITEM CODE NO. DESCRIPTION REMARKS USED 337990 Blade 337989 Blade Cover 338006 Terminal (A) 338450 Terminal (C) 338017 Heat Shrinkable Tube (B) 60mm in length, 3mm in dia. (15mm X 4 pcs.) Caution Label STANDARD ACCESSORIES ITEM...
  • Page 17 GRASS 2015 · 3 · 10 Model CG 30SC...
  • Page 18 Button 337974 Lock Pin 338494 Spring (C) 338020 Motor (CG30SC) (230V) 338021 Sponge Pad 338019 Capacitance Caution Label 338022 Housing (L) Hitachi Label 338018 Housing (R) 338451 Guide (30) 338023 Protecting Cover 338024 Blade 337989 Blade Cover 337981 Collar 338322...
  • Page 19 PARTS CG 30SC ITEM CODE NO. DESCRIPTION REMARKS USED 337986 Wire Roll 337983 M5 Nut 337984 337985 Spring (D) 337987 Upper Cover STANDARD ACCESSORIES ITEM DESCRIPTION REMARKS CODE NO. CODE NO. USED 338001 Protective Glasses 338003 Nylon Wire (1.65mm dia. X 15m) 338002 Belt 3 - 15...

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Cg 30sc

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