Page 2 - EXPLANATION OF SYMBOLS AND SAFETY WARNINGS; RISK OF DAMAGING HEARING; MODEL
GB-2 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 21.7 cm 3 SOUND LEVEL VIBRATION LEVEL ISO 10884 LwA measured ...
Page 3 - SAFETY FIRST; Contents
GB-3 G B SAFETY FIRST Instructions contained in warnings within this manual markedwith a symbol concern critical points which must be taken into consideration to prevent possible serious bodily injury, andfor this reason you are requested to read all such instructionscarefully and follow them withou...
Page 4 - Specifications are subject to change without notice.
GB-4 1. Parts location 2. Specification Overall size (L W H) ............................ 1795 x 230 x 303 / 1795 x 340 x 303 mm Dry weight .................................................................................................. 4.1 / 4.7 kgEngine Type ........................................
Page 6 - For safe operation; WORKING CONDITION; protector; WORKING CIRCUMSTANCE; If you don’t observe the working; NOTE
GB-6 5. For safe operation 1. Read this manual carefully until you completely understand andfollow all safety and operatinginstructions. 2. Keep this manual handy so that you may refer to it later when-ever any questions arise. Alsonote, if you have any questionsw h i c h c a n n o t b e a n s w e r...
Page 7 - WARNING
GB-7 G B 5. For safe operation par t nor the throttle come intocontact with any obstacle whenthe engine starts. WARNING Never place the throttle into thehigh-speed position when startingthe engine. 3. After starting the engine, check to make sure that the cutting at-tachment stops rotating when thet...
Page 9 - INSTALLING HANDLE; • Install the handle to the shaft tube and clamp.; INSTALLING DEBRIS GUARD; • Attach the guard to the bracket on the main pipe and; INSTALLING CUTTING HEAD; While locking the gear shaft, by inserting the supplied; BALANCE UNIT
GB-9 G B INSTALLING HANDLE • Install the handle to the shaft tube and clamp. INSTALLING DEBRIS GUARD • Attach the guard to the bracket on the main pipe and fix it with 2 screws. 6. Set up INSTALLING CUTTING HEAD 1. While locking the gear shaft, by inserting the supplied tool into the upper holder on...
Page 11 - Stop; Stop
GB-11 G B STARTING ENGINE WARNING The cutting head will start rotating upon the enginestarts. 1. Feed fuel into the fuel tank and tighten the cap se- curely. 2. 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 s...
Page 14 - • Starting failure and misfiring are often caused by a; REPLACEMENT PLUG IS A NGK BPMR7A.; • Inspect periodically, the muffler for loose fasteners,; • Check the intake air cooling vent and the area
GB-14 SPARK PLUG • Starting failure and misfiring are often caused by a fouled spark plug. Clean the spark plug and checkthat the plug gap is in the correct range. For a re-placement plug, use the correct type specified byKOMATSU ZENOAH. • REPLACEMENT PLUG IS A NGK BPMR7A. IMPORTANT • Note that usin...
Page 16 - Troubleshooting guide; Limited warranty; THE WARRANTY DOES NOT APPLY TO; THIS WARRANTY DOES NOT COVER; ARE LIMITED
GB-16 11. Troubleshooting guide Case 1. Starting failure CHECK PROBABLE CAUSES ACTION fuel tank → incorrect fuel → drain it and use correct fuel fuel filter → fuel filter is clogged → clean carburetor adjustment screw → out of normal range → adjust to normal range sparking (no spark) → spark plug is...