BCZ4000DL / BCZ4000DW / BCZ4200CL 848JG093A0 (611) G B OWNER’S MANUAL BRUSHCUTTERS BCZ4000DL BCZ4000DW BCZ4200CL GB-1
BCZ4000DL / BCZ4000DW / BCZ4200CL EC DECLARATION OF COMFORMITY We, KOMATSU ZENOAH CO.
BCZ4000DL / BCZ4000DW / BCZ4200CL SAFETY FIRST Contents Instructions contained in warnings within this manual marked symbol concern critical points which must be taken with a 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. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12.
BCZ4000DL / BCZ4000DW / BCZ4200CL 2. Specification Model Overall size (LxWxH) mm Dry weight kg Engine Model Displacement cm3 Fuel Carburetor Ignition system Spark plug Fuel tank capacity L Starter Clutch Reduction ratio Cutting head rotating direction BCZ4000DL 1890 x 392 x 291 6.9 BCZ4000DW BCZ4200CL 1890 x 660 x 496 1900 x 660 x 520 7.3 8.5 Zenoah GZ40N 40.1 Mixture (Gasoline 50 : Oil 1)(when using ZENOAH genuine oil) Diaphragm type Flywheel magneto (C.D.I.) NGK CMR7H 0.
BCZ4000DL / BCZ4000DW / BCZ4200CL 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. 3. Always be sure to include this manual when selling, lending, or otherwise transferring the ownership of this product. 4.
BCZ4000DL / BCZ4000DW / BCZ4200CL 5. For safe operation BEFORE STARTING THE ENGINE 1. The area within a perimeter of 15 m (50 ft) 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.
BCZ4000DL / BCZ4000DW / BCZ4200CL 5. For safe operation eration or immediately after shutting down the engine. Doing so could result in serious burns or electrical shock. • 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.
BCZ4000DL / BCZ4000DW / BCZ4200CL 6. Set up INSTALLING HANDLE (BCZ4000DL) • Tighten the grip firmly. If the grip becomes loose, it might move while you are working, causing danger. • Do not loosen or twist the grip while you are working. • Always stop the engine and make sure the blade has stopped before adjusting the position of the loop handle. 1. Remove the grip of the loop handle, washer and mounting bolt associated with this product, and remove the stopper. 2.
BCZ4000DL / BCZ4000DW / BCZ4200CL 7. Fuel ■ FUEL • 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. Select outdoor bare ground for fueling and move at least 3 m (10 ft) away from the fueling point before starting the engine. • The Komatsu Zenoah engines are lubricated by oil specially formulated for air-cooled 2-cycle gasoline engine use.
BCZ4000DL / BCZ4000DW / BCZ4200CL 8. Operation STARTING ENGINE WARNING • The cutting head will start rotating upon the engine starts. rotate as soon as the engine is started by putting the throttle into the start position. When starting the engine, place the product onto the ground in a flat clear area and hold it firmly in place so as to ensure that neither the cutting part nor the throttle come into contact with any obstacle when the engine starts. 1.
BCZ4000DL / BCZ4000DW / BCZ4200CL 8. Operation ADJUSTING THROTTLE CABLE • The normal play is 1 or 2 mm when measured at the carburetor side end. Readjust with the cable adjuster as required. (2) METAL BLADE USAGE 1. Check the bolt to fasten the blade and be sure the bolt has no fault, and no abrasion. 2. Be sure that the blade and the holder have been fastened according to instruction and the blade turns smoothly without abnormal noise. (1) Cable adjuster (2) 1~2mm (0.
BCZ4000DL / BCZ4000DW / BCZ4200CL 8. Operation CUTTING METHOD (a)Use the front left side cutting. (b) Guide the blade from your right to left with it tilted slightly to your left. (c) When mowing a wide area, start working from your left end to avoid interference of cut grass. (d) The blade may be seized by weeds if the engine 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.
BCZ4000DL / BCZ4000DW / BCZ4200CL 8. Operation than placing the full workload on the arm and hands. 6. Take precautions to avoid wire, grass and dead, dry, long-stem weeds from wrapping around the head shaft. Such materials can stall the head and cause the clutch to slip, resulting in damage to the clutch system if repeated frequently. ADJUSTING THE LINE LENGTH • Your brush cutter is equipped with a semi- auto type nylon line head that allows the operator to advance the line without stopping the engine.
BCZ4000DL / BCZ4000DW / BCZ4200CL 9. Maintenance REFILLING TRIMMING LINE 1. For replacement line, use a diameter of 2.4mm(.095in). The spool is capable for a line upto 6m(20ft) on the 10cm(4”) head. Avoid using a larger line as it may cut down the trimming performance. BLADE • Check the blade and the fasteners for looseness, cracking, or bending. • Check the cutting edges and reform with a flat file. WARNING • For safety reasons, do not use metalreinforced line. 2.
BCZ4000DL / BCZ4000DW / BCZ4200CL 9. Maintenance 0.6~0.7 mm • REPLACEMENT PLUG IS A NGK CMR7H. IMPORTANT • Note that using any spark plug other than those designated may result in the engine failing to operate properly or in the engine becoming overheated and damaged. • To install the spark plug, first turn the plug until it is finger tight, then tighten it a quarter turn more with a socket wrench. TIGHTENING TORQUE: 9.8 ~ 11.8 N.m.
BCZ4000DL / BCZ4000DW / BCZ4200CL 12. Troubleshooting guide Case 1. Starting failure CHECK fuel tank fuel filter carburetor adjustment screw sparking (no spark) spark plug → → → → → → PROBABLE CAUSES incorrect fuel fuel filter is clogged out of normal range spark plug is fouled/wet plug gap is incorrect disconnected Case 2.
