TROUBLESHOOTING GUIDE 1. Troubleshooting and correction Problem Cause Action Seized piston ring Crank shaft does not Starter grip cannot Disassemble and turn. Seized connecting rod bearing be pulled. replace. Crank shaft turns. Defective starter Empty fuel tank Replenish with fuel. Clogged fuel filter ass’y Clean or replace.
Use the table below as a handy guide during and after repair to meet inspection standards, and when replacing or adjusting the spark plug. Item Standard value Idling rotation speed 2,500 to 3,500 min CG 24EBSP(S) CG 27EBSP(S) 8,500 to 12,500 min [with cutter blade] No-load max. rotation CG 24EBSP/EBS...
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Repair flowchart Does the engine start? Set to “ON” position. Stop switch at “OFF” position Push primer pump several Empty primer pump times. Choke lever in closed position Turn to open position. Remove the spark plug and check the spark according to page 5. Is there a proper spark? Fouled or defective spark plug Cleaning or replacement...
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Engine starts. Does combustion Weak spark Fouled or defective spark Cleaning or continue? plug replacement Clogged fuel filter ass'y Cleaning Clogged carburetor Improper fuel-air Cleaning mixture Inspection or Defective carburetor ass'y replacement Worn piston rings Replacement No compression Worn oil seals Replacement Broken magneto rotor ass'y key Replacement...
[Bold] numbers in the description below correspond to item numbers in the Parts List and exploded assembly diagram for the Model CG 24EBSP, (Bold) numbers correspond to those for the Model CG 24EBDP, {Bold} numbers correspond to those for the Model CG 27EBSP, and <Bold> numbers correspond to those for the Model CG 27EBDP as representative models.
WARNING: • When performing the procedure outlined above, touching any metallic portions of the Spark Plug Ass'y BMR7A [13](13){13}<13> when pulling the starter grip will give you electric shock. Therefore, be very careful in handling Spark Plug Ass'y BMR7A [13](13){13}<13>. •...
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Metal Fitting of Plug Cap Engage the two tips of the Metal Fitting of Plug Cap [121](121){121}<121> [121](121){121}<121> into the core wire. • Wiring diagram CG 24EBSP(S), CG 24EBS(S) CG 27EBSP(S), CG 27EBS(S) Throttle Lever (B) [151]{151} Cord [122](122){122}<122> Ignition Coil Ass’y [119](119){119}<119>...
5. Checking the fuel filter Use a piece of wire to remove the Pump Filter Body Comp. [134](134){133}<133> from the fuel inlet of Tank (B) [133](133){132}<132>. If the Pump Filter Body Comp. [134](134){133}<133> is stained, clean it with gasoline. Remove the Pump Filter Body Comp. [134](134){133}<133> from the Fuel Pipe [125](125) {125}<125>.
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• Replacing the fuel pipe Air Cleaner (A) Ass'y Carburetor Ass'y [46](46){47}<47> WYC-36 [24](24)/ WYC-37 {25}<25>/ WYC-30* Air Cleaner Housing *: Refer to the parts [42](42){43}<43> list of each model. Cleaner Element [44](44){45}<45> Cleaner Cover [45](45){46}<46> Fuel Pipe L70 [41](41){42}<42> Priming Pump Comp.
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9. Checking and adjusting the carburetor ass’y (1) Checking the Carburetor Ass'y WYC-36 [24](24)/WYC-37 {25}<25>/WYC-30 While disassembling the Carburetor Ass'y WYC-36 [24](24)/WYC-37 {25}<25>/WYC-30, check its parts for wear, deformation, and clogged holes. If dirt or dust is found on a part, clean it off or remove dust by using an air blower.
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• Cleaning the spindle lock Hex. Socket Hd. Bolt M5 x 30 [161](171){161}<171> Screw 5 x 12/W.S [162](172){162}<172> [163](173){163}<173> Spring [164](174){164}<174> Bolt (W/Plus) M6 x 8 [165](175){165}<175> Gear Case Ass'y (4BB) [160](170){160}<170> Gear shaft D24 Lock Pin [166](176){166}<176> Cutter Holder (A) [167](177){167}<177>...
(a) Disassembly of the muffler cover Loosen the screws below to remove the Muffler Cover [2](2){2}<2>. CG 24EBSP/CG 24EBDP: Seal Lock Hex. Socket Hd. Bolt M5 x 30 [1](1) Hex. Socket Hd. Bolt (W/Flange) M4 x 18 [3](3) CG 27EBSP/CG 27EBDP: Two Screws (W/Washers) M5 x 16 (Black) {1}<1>...
• Disassembly of the outer parts (1) Models CG 24EBSP, CG 24EBS, CG 24EBDP, and CG 24EBD Hex. Socket Hd. Bolts (W/Flange) M4 x 18 [3](3) Cylinder Cover [9](9) Seal Lock Hex. Socket Bolt (W/Washers) M5 [12](12) Hex. Socket Hd. Bolt...
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• Disassembly of the outer parts (2) Models CG 27EBSP, CG 27EBS, CG 27EBDP, and CG 27EBD Hex. Socket Hd. Bolts (W/Flange) M4 x 18 {10}<10> Cylinder Cover {8}<8> Seal Lock Hex. Socket Hd. Bolts M5 x 30 {12}<12> Collar (B) {9}<9> Muffler Cover {2}<2>...
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(3) Removing the muffler Loosen the two Hex. Socket Hd. Bolts M6 x 65**[4](4){3}<3>, and then remove Muffler (B) [6](6){5} <5> and the Heat Protection Panel [7](7){6}<6> together. **: For the Models CG 24EBS, CG 24EBD, CG 27EBS and CG 27EBD, loosen the hex. socket hd. bolts M6 x 55.
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(9) Removing the magneto rotor • Removing the magneto rotor • Use a 13-mm socket wrench to remove the J-363 jig (8 x 120 handle) Flywheel Nut [116](116){116}<116>. J-357 (center bolt) • With the screw end face of the Crank Shaft Comp.
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2. Reassembly of the engine unit (1) Removing carbon Before reassembling the engine, remove carbon from the head of the Piston [49](49){50}<50>, the exhaust port of the Cylinder [19](19){19}<19>, and inside the combustion chamber. If the Piston Rings [48](48){49}<49> fitted in the ring groove on the Piston [49](49){50}<50> cannot move smoothly, carefully wipe off carbon from the ring groove and side surface of the Piston Rings [48](48){49}<49>.
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Piston [49](49){50}<50> (5) Mounting the magneto rotor • Models CG 24EBSP, CG 24EBS, CG 24EBDP, and CG 24EBD Insert the Woodruff Key 3 x 13 x 4.5 [51](51) in the key groove on the Crank Shaft Comp. [58](58), and mount it into the key groove at the center hole of the Magneto Rotor Ass'y [124](124).
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{77}<77> contacts the inner wall of the Muffler Cover [2](2){2}<2> and there is no rattling. 3. Disassembly of the shaft unit • Models CG 24EBSP, CG 24EBS, CG 27EBSP, and CG 27EBS (1) Pull out the Drive Shaft [186]{186} from the Main Pipe [185]{185}.
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(4BB) (170)<170> until it contacts the end. Align the hole on the side of Main Pipe (A) (195)<195> with the M5 screw hole on the side of the Gear Case Ass’y (4BB) (170)<170>. Firmly tighten Screw 5 x 12/W.S (172)<172> while confirming that it does not touch Main Pipe (A) (195)<195>. Tighten the Hex.
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5. Mounting the handle • Models CG 24EBSP(S), CG 24EBS(S), CG 27EBSP(S), and CG 27EBS(S) Place the Handle (Right) [156]{156} and Handle (Left) [155]{155} on Handle Holder (B) [157]{157} attached to the Main Pipe [185]{185}, and then place Handle Holder (A) [154]{154} over these components.
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PARTS CG 24EBD ITEM DESCRIPTION REMARKS CODE NO. USED 6698950 SEAL LOCK HEX. SOCKET HD. BOLT M5 X 30 6698478 MUFFLER COVER 6696326 HEX. SOCKET HD. BOLT (W/FLANGE) M4 X 18 6696819 HEX. SOCKET HD. BOLT M6 X 55 949432 BOLT WASHER M6 (10 PCS.) 6698477 MUFFLER...
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PARTS CG 24EBD ITEM DESCRIPTION REMARKS CODE NO. USED 6684590 CIR CLIP 6684899 WOODRUFF KEY 3 X 13 X 4.5 6684591 PISTON PIN 6684606 CRANK CASE ASS'Y INCLUD.54-56,59 6684609 CRANK CASE GASKET 6684607 OIL SEAL TB 12227 6684608 BALL BEARING 6001 C3 6696946 SHIM T0.2 6696945...
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PARTS CG 24EBD ITEM DESCRIPTION REMARKS CODE NO. USED 6699130 CLUTCH 6699131 CLUTCH WASHER (B) 6685337 FLYWHEEL NUT 323212 BOLT WASHER M8 (BLACK) 6698388 HEX. SOCKET HD. BOLT (W/WASHERS) M4 X 18 6699458 IGNITION COIL ASS'Y INCLUD.120,121 6699932 PLUG CAP 6699933 METAL FITTING OF PLUG CAP 6696544...
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6699444 COVER BRACKET FOR AUS (SL),NZL (SL) 6684833 BUSHING FOR (SL) 6685061 LEVEL MARK FOR ISR (SL) 6697625 CAUTION MARK HITACHI FOR (SL) 6684851 LEVEL MARK FOR (SL) 6699461 MAIN PIPE (A) FOR (SL) 6684832 DRIVE SHAFT B 783L FOR (SL) 949554 NUT M4 (10 PCS.)
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STANDARD ACCESSORIES CG 24EBD ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED 6684764 BOX WRENCH (HEX. SOCKET 17/19) 944458 HEX. BAR WRENCH 4MM 875769 SAFETY GLASSES 6696448 SHOULDER BELT SINGLE 6695795 SHOULDER STRAP S FOR AUS,NZL - 8 - *ALTERNATIVE PARTS Printed in Japan 4 - 14 (140425N)
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LIST NO. F054 ENGINE ENGINE BRUSH CUTTER 2014 4 25 Model CG 24EBDP (E1)
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HEX. HOLE BUTTON SCREW 6 X 25S FOR (SL) 6699442 COVER BRACKET FOR (SL) 6684833 BUSHING FOR (SL) 6697625 CAUTION MARK HITACHI FOR (SL) 6684851 LEVEL MARK FOR (SL) 6699461 MAIN PIPE (A) FOR (SL) 6684832 DRIVE SHAFT B 783L...
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STANDARD ACCESSORIES CG 24EBDP ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED 6684764 BOX WRENCH (HEX. SOCKET 17/19) 944458 HEX. BAR WRENCH 4MM 875769 SAFETY GLASSES 6696448 SHOULDER BELT SINGLE - 8 - *ALTERNATIVE PARTS Printed in Japan 4 - 14 (140425N)
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LIST NO. F055 ENGINE ENGINE BRUSH CUTTER 2014 4 25 Model CG 24EBS (E1)
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EXCEPT FOR RUS,AUS,NZL 6696978 COVER BRACKET EXCEPT FOR RUS,AUS,NZL 6699444 COVER BRACKET FOR AUS,NZL 6685061 LEVEL MARK FOR BRA (S) 6697625 CAUTION MARK HITACHI 6684852 LEVEL MARK FOR AUS,NZL 6684851 LEVEL MARK EXCEPT FOR AUS,NZL 6699445 MAIN PIPE 6698514 DRIVE SHAFT...
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STANDARD ACCESSORIES CG 24EBS ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED 6684764 BOX WRENCH (HEX. SOCKET 17/19) 6696596 WRENCH 8 X 10 EXCEPT FOR AUS,NZL 944458 HEX. BAR WRENCH 4MM 6684768 CUTTER COVER FOR RUS 875769 SAFETY GLASSES 6696448 SHOULDER BELT SINGLE 6695795 SHOULDER STRAP S...
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LIST NO. F056 ENGINE ENGINE BRUSH CUTTER 2014 4 25 Model CG 24EBSP (E1)
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6699444 COVER BRACKET FOR AUS (SL),NZL (SL) 6684833 BUSHING FOR (SL) 6685061 LEVEL MARK FOR ISR (SL) 6697625 CAUTION MARK HITACHI FOR (SL) 6684851 LEVEL MARK FOR (SL) 6699461 MAIN PIPE (A) FOR (SL) 6684832 DRIVE SHAFT B 783L FOR (SL) 949554 NUT M4 (10 PCS.)
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STANDARD ACCESSORIES CG 27EBD ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED 6684764 BOX WRENCH (HEX. SOCKET 17/19) 944458 HEX. BAR WRENCH 4MM 875769 SAFETY GLASSES 6696448 SHOULDER BELT SINGLE 6695795 SHOULDER STRAP S FOR AUS,NZL - 8 - *ALTERNATIVE PARTS Printed in Japan 4 - 14 (140425N)
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LIST NO. F058 ENGINE ENGINE BRUSH CUTTER 2014 4 25 Model CG 27EBDP (E1)
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HEX. HOLE BUTTON SCREW 6 X 25S FOR (SL) 6699442 COVER BRACKET FOR (SL) 6684833 BUSHING FOR (SL) 6697625 CAUTION MARK HITACHI FOR (SL) 6684851 LEVEL MARK FOR (SL) 6699461 MAIN PIPE (A) FOR (SL) 6684832 DRIVE SHAFT B 783L...
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STANDARD ACCESSORIES CG 27EBDP ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED 6684764 BOX WRENCH (HEX. SOCKET 17/19) 944458 HEX. BAR WRENCH 4MM 875769 SAFETY GLASSES 6696448 SHOULDER BELT SINGLE - 8 - *ALTERNATIVE PARTS Printed in Japan 4 - 14 (140425N)
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LIST NO. F059 ENGINE ENGINE BRUSH CUTTER 2014 4 25 Model CG 27EBS (E1)
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FOR TPE (S),IND (S),ISR (S),BRA (SL), MEX (SL) 6699444 COVER BRACKET FOR AUS (SL),NZL (SL) 6685061 LEVEL MARK FOR TPE (S),IND (S),ISR (S) 6697625 CAUTION MARK HITACHI 6684852 LEVEL MARK FOR AUS (SL),NZL (SL) 6684851 LEVEL MARK EXCEPT FOR AUS (SL),NZL (SL) 6699445 MAIN PIPE...
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STANDARD ACCESSORIES CG 27EBS ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED 6684764 BOX WRENCH (HEX. SOCKET 17/19) 6696596 WRENCH 8 X 10 EXCEPT FOR AUS,NZL 944458 HEX. BAR WRENCH 4MM 6684768 CUTTER COVER FOR RUS (S),NZL (S) 875769 SAFETY GLASSES 6696448 SHOULDER BELT SINGLE 6695795...
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LIST NO. F060 ENGINE ENGINE BRUSH CUTTER 2014 4 25 Model CG 27EBSP (E1)
CORD GUIDE 6698938 CASE 6698639 NYLON HEAD ASS'Y INCLUD.171-178 6684714 HEX. HOLE BUTTON SCREW 6 X 25S 6699442 COVER BRACKET 6697625 CAUTION MARK HITACHI 6684852 LEVEL MARK FOR (SL) 6684851 LEVEL MARK 6699445 MAIN PIPE 6698514 DRIVE SHAFT 6696493 HANGER...
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STANDARD ACCESSORIES CG 27EBSP ITEM CODE NO. CODE NO. DESCRIPTION REMARKS USED 6684764 BOX WRENCH (HEX. SOCKET 17/19) 6696596 WRENCH 8 X 10 944458 HEX. BAR WRENCH 4MM 6684768 CUTTER COVER FOR (S) 875769 SAFETY GLASSES 6696448 SHOULDER BELT SINGLE 6695796 SHOULDER HARNESS D3X FOR (S)