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OWNER / OPERATOR MANUAL
WARNING
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
APPLICABLE SERIAL NUMBERS :
BCZ2500S
DRIVE UNIT 900101 and up
BCZ2500SU
DRIVE UNIT 000000 and up
BCZ2500SW DRIVE UNIT 100001 and up
BRUSHCUTTERS
BCZ2500S
BCZ2500SU
BCZ2500SW
BCZ2500S
BCZ2500SU
BCZ2500SW
WARNING
Before using our brushcutters,
please read this manual carefully to
understand the proper use of your
unit.
ENGINE UNIT 35208 and up
ENGINE UNIT 35208 and up
ENGINE UNIT 35208 and up
T3002-93111 (205)
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Table of Contents
Related Manuals for Zenoah BCZ2500SU
Summary of Contents for Zenoah BCZ2500SU
- Page 1 OWNER / OPERATOR MANUAL BRUSHCUTTERS BCZ2500S BCZ2500SU BCZ2500SW BCZ2500S BCZ2500SU WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. APPLICABLE SERIAL NUMBERS : BCZ2500S DRIVE UNIT 900101 and up...
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Page 3: Table Of Contents
SAFETY FIRST Instructions contained in warnings within this manual marked with a critical points which must be taken into consideration to prevent possible serious bodily injury, and for this reason you are requested to read all such instructions carefully and follow them without fail. WARNINGS IN THE MANUAL WARNING This mark indicates instructions which must be... -
Page 4: Parts Location
BCZ2500S/BCZ2500SU/BCZ2500SW Overall size(LxWxH) BCZ2500S/BCZ2500SU ····································· 70.5(1790)x9.8(250)x12.2(310) in(mm) BCZ2500SW ····················································· 70.5(1790)x24.8(630)x19.1(485) in(mm) Dry weight w/o acc. BCZ2500S/BCZ2500SU ················································· 11.7 lbs (5.3kg)/11.1 lbs (5.1kg) BCZ2500SW ···························································································· 13.0 lbs (5.9kg) Engine Type······················································································ Air-cooled 2-stroke gasoline Model········································································································ Zenoah GZ25N Displacement ······················································································· 1.6cu-in (25.4cm Max. output ··································································· 1.2Hp (0.9kW)at 7500/min Idle speed··························································································3000±200/min... -
Page 5: Warning Labels On The Machine
3. Warning labels on the machine (1) Read owner's manual before operating this machine. (2) Wear head, eye and ear protection. (3) Warning/Attention (4) Keep all children, bystanders and helpers 15 meters away from the brushcutter IMPORTANT If warning label peel off or become soiled and impossible to read, you should contact the dealer from which you purchased the product to order new labels and affix them in the required location(s). -
Page 6: Symbols On The Machine
4. Symbols on the machine IMPORTANT ENGINE INFORMATION THIS ENGINE MEETS U.S. EPA PH2 AND 2001 CALIFORNIA EMISSION REGULATIONS FOR SI SORE’s COMPLIANCE PERIOD : CATEGORYA: ENGINE FAMILY : 1KZXS.0254QR ; EM ENGINE DISPLACEMENT : 25.4cc REFER TO OWNER’S MANUAL FOR MAINTE- NANCE SPECIFICATIONS AND ADJUSTMENTS. -
Page 7: For Safe Operation
5. For safe operation 1. Read this manual carefully until you completely understand and follow all safety and operating instructions. 2. Keep this manual handy so that you may refer to it later whenever any questions arise. Also note, if you have any questions which cannot be answered herein, contact the dealer from whom you purchased the product. - Page 8 5. For safe operation b. At night, at times of heavy fog, or at any other times when your field of vision might be limited and it would be difficult to gain a clear view of the working area. c. During rain storms, during lightning storms, at times of strong or gale-force winds, or at any other times when weather conditions might make it unsafe to use the product.
- Page 9 5. For safe operation BEFORE STARTING THE ENGINE 1. The area within a perimeter of 50 feet (15m) of the person using the product should be considered a hazardous area into which no one should enter. If necessary yellow warning rope, warning signs should be placed around the perimeter of the area.
- Page 10 5. For safe operation WARNING Never place the throttle into the high speed position when starting the engine. 3. After starting the engine, check to make sure that the cutting attachment stops rotating when the throttle is moved fully back to its original position.
- Page 11 5. For safe operation • IF SOMEONE COMES 1. Guard against hazardous situations at all times. Warn adults to keep pets and children away from the area. Be careful if you are approached. Injury may result from flying debris. 2. If someone calls out or otherwise interrupts you while working, always be sure to turn off the engine before turning around.
- Page 12 5. For safe operation refill the tank of the unit in any place where there is a boiler, stove, wood fire, electrical sparks, welding sparks, or any other source of heat or fire which might ignite the fuel. 2. Never smoke while operating the unit or refilling its fuel tank.
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Page 13: Set Up
6. Set up (BCZ2500S, BCZ2500SU) MOUNTING ENGINE (SE1) 1. Push the driveshaft housing toward the clutch housing and rotate it by hand to check that the driveshaft is engaged with the gears. 2. Insert the driveshaft housing into the clutch... - Page 14 6. Set up (BCZ2500SW) MOUNTING ENGINE (SE5) 1. Push the driveshaft housing toward the clutch housing and rotate it by hand to check that the driveshaft is engaged with the gears. 2. Insert the driveshaft housing into the clutch housing until it bottoms, and align the positioning holes on the clutch housing and the shaft tube and install the screw.
- Page 15 6. Set up SE10 SE11 INSTALLING CUTTING HEAD (SE10) 1. While locking the gear shaft, by inserting the supplied tool into the upper holder on the gear box, loosen and remove the hexagon nut(left- handed) 2. Fit the holder attached to the upper holder. Then screw in the cutting head to the gear shaft over the holders.
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Page 16: Fuel
7. Fuel 50:1 MIXING CHART GASOLINE gal. 2-CYCLE OIL fl.oz 2.6 GASOLINE liter 2-CYCLE OIL ml WARNING • Gasoline is very flammable. Avoid smoking or bringing any flame or sparks near fuel. Make sure to stop the engine and allow it cool before refueling the unit. - Page 17 7. Fuel container to avoid mixing up with gasoline or other containers. 6. Indicate the contents on outside of container for easy identification. FUELING THE UNIT 1. Untwist and remove the fuel cap. Rest the cap on a dustless place. 2.
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Page 18: Operation
8. Operation BCZ2500S BCZ2500SU BCZ2500SW STARTING ENGINE WARNING The cutting head will start rotating upon the engine starts. 1. Rest the unit on a flat, firm place. Keep the cutting head off the ground and clear of surrounding objects as it will start rotating upon starting of the engine. - Page 19 8. Operation .04 in (1~2mm) STOPPING ENGINE (OP3) 1. Release the throttle lever and run the engine for a half minute. 2. Shift the ignition switch to the STOP position. IMPORTANT • Except for an emergency, avoid stopping the engine while pulling the throttle lever. ADJUSTING THROTTLE CABLE •...
- Page 20 8. Operation 1. Hold the unit so the head is off the ground and is tilted about 20 degrees toward the sweep direction. (OP7) 2. You can avoid thrown debris by sweeping from your left to the right. 3. Use a slow, deliberate action to cut heavy growth.
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Page 21: Maintenance
9. Maintenance MAINTENANCE CHART system/compornent fuel leaks, fuel spillage fuel tank, air filter, fuel filter idle adjusting screw spark plug cylinder fins, intake air cooling vent clean muffler, spark arrester, cylinder exhaust port clean throttle lever, ignition switch cutting parts debris guard gear case screws/nuts/bolts... - Page 22 9. Maintenance .025 in 0.655mm WARNING • Make sure that the engine has stopped and is cool before performing any service to the machine. Contact with moving cutting head or hot muffler may result in a personal injury. AIR FILTER •...
- Page 23 9. Maintenance machine and have it repaired immediately. • Note that failing to do so may result in the engine catching on fire. SPARK ARRESTER • The muffler is equipped with a spark arrester to prevent red hot carbon from flying out of the exhaust outlet.
- Page 24 9. Maintenance MA10 MA11 brushcutter. Note that it is necessary to remove the engine cover shown in (MA10) in order to be able to view the upper part of the cylinder. IMPORTANT • If waste gets stuck and causes blockage around the intake air cooling vent or between the cylinder fins, it may cause the engine to overheat, and that in turn may cause mechanical...
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Page 25: Storage
10. Storage • Aged fuel is one of major causes of engine starting failure. Before storing the unit, empty the fuel tank and run the engine until it uses all the fuel left in the fuel line and the carburetor. Store the unit indoor taking necessary measures for rust prevention. -
Page 26: Optional Blade Usage
11. Optional blade usage OPT1 CUTTER APPLICATION CHART Under growth Heavy weeds Light weeds Grass OPT2 9” 22-tooth: 8” 8-tooth: SST229 SGB088 9” 24-tooth: 9” 8-tooth: SST249 SGB089 CHOOSE THE BLADE Choose a suitable recommended cutting attachment according to the object to be cut. (OPT1) •... - Page 27 11. Optional blade usage OPT3 BCZ2500S, BCZ2500SU OPT4 BCZ2500S, BCZ2500SU OPT5 OPT6 IMPORTANT [ BCZ2500S, BCZ2500SU ] Change to the debris guard which is suitable for the metal blade. (OPT3) TIGHTENING TORQUE: (1)Guard Ass’y: 6489-24000 (2)Guard: 6489-24110 (3)Plate Comp.: 6489-24200 (4)Plate:...
- Page 28 11. Optional blade usage OPT7 OPT8 speed is too low, or the blade cuts too deep into weeds. Adjust the engine speed and cutting depth according to the condition of object. WARNING • If the grass or other object gets caught in the blade, or if the unit starts to shake or vibrate, turn off the engine and check the whole unit.
- Page 29 11. Optional blade usage you understand what causes kick out, how you can reduce the chance of kick out and how you can remain in control of the unit if kick out does occur. 1. What causes kick out: • Kick out can occur when the moving blade contacts an object that it cannot cut.
- Page 30 11. Optional blade usage OPT9 MAINTENANCE BLADE • Check the blade and the fasteners for looseness, cracking, or bending. • Check the cutting edges and reform with a flat file. Point (OPT9) : 1. Keep the end corner sharp. 2. Round the root of the edge, using round file. 3.
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Page 31: Troubleshooting Guide
12. Troubleshooting guide Case 1. Starting failure CHECK fuel tank fuel filter carburetor adjustment screw sparking (no spark) spark plug Case 2. Engine starts but does not keep running/Hard re-starting. CHECK fuel tank carburetor adjustment screw muffler,cylinder (exhaust port) air cleaner cylinder fin, fan cover When your unit seems to need further service, please consult with our RedMax service shop in your area. -
Page 33: Parts List
13. Parts list NOTE : 1. Use KOMATSU ZENOAH genuine parts as specified in the parts list for repair and/or replacement. 2. KOMATSU ZENOAH does not warrant the machines, which have been damaged by the use of any parts other than those specified by the company. - Page 34 13. Parts list Fig.1 DRIVE UNIT BCZ2500S (S/N 900101 and up) BCZ2500SU (S/N 000000 and up)
- Page 35 BCZ2500S (S/N 900101 and up) Fig.1 DRIVE UNIT BCZ2500SU (S/N 000000 and up) Key# Description PIPE-COMP, 1500xø24xT1.7 PIPE-COMP, 1500xø24xT1.5 SHAFT, 1536xø7, spline 7T GEARCASE-ASSY • GEARCASE • BEARING • BEARING • RING • SEAL • SHAFT • GEAR • NUT, M10 •...
- Page 36 13. Parts list Fig.2 DRIVE UNIT BCZ2500SW (S/N 100001 and up)
- Page 37 Fig.2 DRIVE UNIT BCZ2500SW (S/N 100001 and up) Key# Description PIPE-COMP, 1500xø24xT1.7 SHAFT, 1536xø7, spline 7T GEARCASE-ASSY • GEARCASE • BEARING • BEARING • RING • SEAL • SHAFT • GEAR • NUT, M10 • PINION • BEARING • BEARING •...
- Page 38 13. Parts list Fig.3 ENGINE UNIT BCZ2500S (S/N 35208 and up) BCZ2500SU (S/N 35208 and up) BCZ2500SW (S/N 35208 and up)
- Page 39 BCZ2500S BCZ2500SU (S/N 35208 and up) Fig.3 ENGINE UNIT BCZ2500SW (S/N 35208 and up) Key# Description CYLINDER GASKET, base BOLT, M5x22 INSULATOR GASKET, insulator GASKET, carburetor SCREW, M5x20 REEDVALVE (S)-A • VALVECASE (S) • REEDVALVE • STOPPER • SCREW, M3x8...
- Page 40 KOMATSU ZENOAH recommends that you retain all receipts covering maintenance on your small off-road engine, but KOMATSU ZENOAH can not deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance.
- Page 41 RedMax 2-YEAR LIMITED WARRANTY EMISSION-RELATED PARTS, FOR TWO (2) YEARS FROM THE DATE OF ORIGINAL DELIVERY, KOMATSU ZENOAH AMERICA INC. (THE COMPANY), THROUGH ANY RedMax DEALER, WILL REPAIR OR REPLACE, FREE OF CHARGE, FOR THE ORIGINAL AND EACH SUBSEQUENT PURCHASER, ANY PART OR PARTS FOUND TO BE DEFECTIVE IN MATERIAL AND/OR WORKMANSHIP.
- Page 42 ZENOAH AMERICA INC. au (770)-381-5147 Note importante: vous recevrez une carte d'enregistrement de garantie au moment de l'achat. Veuillez la remplir et l'adresser à RedMax / KOMATSU ZENOAH AMERICA sous sept (7) jours en prenant soin de conserver une copie pour vous.