848JA093A0 (311) G B OWNER’S MANUAL BRUSHCUTTERS BC2603DL BC2603DW GB-1
EXPLANATION OF SYMBOLS AND SAFETY WARNINGS WARNING!!! RISK OF DAMAGING HEARING IN NORMAL CONDITIONS OF USE, THIS MACHINE MAY INVOLVE A DAILY LEVEL OF PERSONAL EXPOSURE TO NOISE FOR THE OPERATOR EQUAL TO OR GREATER THAN 85 dB(A) MODEL EN27917 LpA BC2603DL BC2603DW GB-2 3 25.4 cm 97.3 dB(A) 25.4 cm3 97.3 dB(A) SOUND LEVEL ISO 10884 LwA guaranteed measured 110 dB(A) 107.9 dB(A) 110 dB(A) 107.9 dB(A) VIBRATION LEVEL ISO 7916 idling racing 2 2.4 m/s 1.7 m/s2 3.0 m/s2 4.
SAFETY FIRST Instructions contained in warnings within this manual marked with a symbol concern 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. Contents 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
2. Specification BC2603DL / BC2603DW Overall size (L W H) ............................ 1800 x 395 x 315 / 1800 x 610 x 520 mm Dry weight .................................................................................................. 5.3 / 6.7 kg Engine Model ............................................................................................... Zenoah G26L Displacement ........................................................................................... 25.4 cm3 Fuel ...................
. 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.
5. For safe operation BEFORE STARTING THE ENGINE 1. The area within a perimeter of 15 m 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.
5. For safe operation 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. MAINTENANCE 1.
6. Set up INSTALLING HANDLE (BC2603DL) • Mount the handle to the shaft tube and clamp it at a location that is comfortable to you. INSTALLING HANDLE (BC2603DW) 1. Loosen the 4bolts on the upper cap and insert the handles equally. Retighten the bolts. 2. Put the handle assembly into the bracket and put the upper cap over it. Tighten the cap securely. INSTALLING LINE HEAD 1.
7. Fuel ■ FUEL 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. 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.
8. Operation STARTING ENGINE gine, 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. WARNING The cutting head will start rotating upon the engine starts. 1. Feed fuel into the fuel tank and tighten the cap securely. 2. Rest the unit on a flat, firm place.
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. G B .04 in (1 ~ 2 mm) (1) 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.
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.
8. Operation CUTTING WORK (LINE HEAD USAGE) 2. You can avoid thrown debris by sweeping from your left to the right. WARNING 1. Always wear eye protection such as safety goggles. Never lean over the rotating cutting head. Rocks or other debris could be thrown into eyes and face and cause serious personal injury. 2. Keep the debris guard in place at all times when the unit is operated. TRIMMING GRASS AND WEEDS • Always remember that the TIP of the line does cutting.
9. Maintenance System/components ENGINE fuel leaks, fuel spillage fuel tank, air filter, fuel filter idle adjusting screw spark plug SHAFT cylinder fins, intake air cooling vent muffler, spark arrester, cylinder exhaust port throttle lever, ignition switch cutting parts gear case screws/nuts/bolts debris guard Every Every Every 50 100 Before 25 Procedure Note use hours hours hours after after after wipe out ✔ inspect/clean ✔ ✔ replace, if necessary see adjusting replace carburetor ✔ idling speed (p.
9. Maintenance 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: 87 ~ 104 in-lbs (9.8 ~ 11.8 N.m.
11. 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.
