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Zenoah HTZ7500 manual

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Table of contents for the manual

  • Page 1

    HTZ7500 CHTZ6000 848D3K93A0 (402) HEDGE-TRIMMERS OWNER’S MANUAL • Before using our products, please read this manual carefully to understand the proper use of your unit. • Keep this manual handy. CA UTION[...]

  • Page 2

    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. ■ NOTES ON TYPES OF WARNINGS IN THE MANUAL Thi[...]

  • Page 3

    4 1. Right handle 2. Fuel tank 3. Starter 4. Left handle 5. Throttle lever 6. Engine switch 7. Throttle Cable 8. Muffler 9. Blade 10. Front handle 11. Rear handle 12. Plate receive English 1. PARTS LOCATION[...]

  • Page 4

    English For safe operation and maintenance, symbols are carved in relief on the machine. According to these indications, please be careful not to take a mistake. (a). The port to refuel the "MIX GASOLINE" POSITION: FUEL TANK CAP (b).The direction to close the choke POSITION: AIR CLEANER COVER (c). The direction to open the choke POSITION:[...]

  • Page 5

    6 3. SAFETY PRECAUTIONS ■ BEFORE USING THE MACHINE a. Read this owner's manual carefully to understand how to operate this unit properly. b. This product has been designed for use in trimming leaves and branches from trees and hedges, and it should never be used for any other purpose since doing so could result in unforeseen accidents and in[...]

  • Page 6

    3. SAFETY PRECAUTIONS g. Lack of sleep, tiredness, or physical exhaustion results in lower attention spans, and this in turn leads to accidents and injury. Limit the amount of time over which the hedge-trimmer is to be used continuously to somewhere around 30~40 minutes per session, and take 10~20 minutes of rest between work sessions. Also try to [...]

  • Page 7

    8 3. SAFETY PRECAUTIONS ■ WARNING CONSIDERING HANDLING OF FUEL a. The engine of this product is designed to run on a mixed fuel which contains highly flammable gasoline. You should never store cans of fuel or refill the fuel tank in any place where there is a boiler, stove, wood fire, electrical sparks, welding sparks, or any other source of heat[...]

  • Page 8

    3. SAFETY PRECAUTIONS persons, always check the presence and locations of others so as to maintain a distance each person sufficient to ensure safety. c. Make sure that there are no loose screws or bolts, fuel leaks, ruptures, dents, or any other problems which might interfere with safe operation. Be especially careful to check that there is nothin[...]

  • Page 9

    10 3. SAFETY PRECAUTIONS ■ KICKBACK SAFETY PRECAUTIONS •A dangerous reaction may occur when the spinning blade contacts a solid object in the critical area. It is called Kick back. As a result, the operator can lose control of the unit which can cause serious or fatal injury. Avoid kickback, observe the safety precautions below strictly. 1. Kee[...]

  • Page 10

    3. SAFETY PRECAUTIONS d. If the grass gets caught in the blade during operation, or if you need to check the unit or refuel the tank, always be sure to turn off the engine. e. If the blade touches a hard object like a stone, immediately stop the engine and check if something is wrong with the blade. If so, replace the blade by new one. f. If someon[...]

  • Page 11

    12 English d. When sharpening, removing, or reattaching the blade, be sure to wear thick, sturdy gloves and use only proper tools and equipment to prevent injury. e. When replacing blade or any other parts or when replacing the oil or any lubricants, always be sure to use only KOMATSU ZENOAH products or products which have been certified by KOMATSU[...]

  • Page 12

    English 4. FUEL •G asoline is very flammable. Avoid smoking or bringing any flame or sparks near fuel. • Wipe up all spills before starting the engine. •M ake sure to stop the engine and allow it cool before refueling the unit. • Keep open flames away from the area where fuel is handled or stored. •N ever use oil for 4 cycle engine use or[...]

  • Page 13

    14 [HTZ7500] [CHTZ6000] English 5. OPERATION ■ STARTING THE ENGINE Keep the blades clear of everything around It as they will start moving upon the engine starts. 1. Release the throttle lever and make sure it is fully back. (F1) 2. Set the engine switch to the “I (RUN)” position. (F1) 3. Push the primer pump until overflown fuel flows out in[...]

  • Page 14

    English ■ RUNNING IN THE ENGINE During the first 20 working hours, do not use the hedge-trimmer at maximum power for long periods. ■ ADJUSTING IDLING SPEED • Before adjusting the carburetor, clean the air filter and warm up the engine. (F5) • Idle screw is adjusted in order to ensure a good safety margin between idle running and clutch enga[...]

  • Page 15

    F9 F8 English • Use only as much throttle as is needed to do the job. Excessive engine speed is unnecessary. • Avoid cutting thick branches, for which will damage the blades and shorten the life of drive systems. • Tilting the trimmer 5 to 10° to the cutting object will make the job easy and bring a good result. •A lways keep your body to [...]

  • Page 16

    17 Every Every Every Before 25 50 100 System/compornent Procedure use hours hours hours note after after after fuel leaks, fuel spillage wipe out ✔ fuel tank, air filter, fuel filter inspect/clean ✔✔ replace, if necessary see ADJUSTING replace carburetor idle adjusting screw ✔ IDLING SPEED if necessary clean and readjust GAP: 0.6 – 0.7 mm[...]

  • Page 17

    18 English 6. MAINTENANCE F10 F12 F11 Before cleaning, inspecting, or repairing the unit, make sure that the engine has stopped and is cool. ■ BLADE (F10) • Check the blade and the fasteners for looseness, cracking, or bending. • Check the cutting edges and reform with a flat file. Point: 1. Keep the end corner sharp. 2. Round the root of the[...]

  • Page 18

    English 6. MAINTENANCE F13 F14 3. Check if the safety lock returns to its original position when you release your hand from safety lock. If you find any defects at the checks above, contact your nearest servicing dealer for repair. ■ ANTI-VIBRATION SYSTEM (F13) The deformed or damaged anti- vibration system may cause of the breakages like getting[...]

  • Page 19

    20 English 6. MAINTENANCE F15 F16 F17 ■ FUEL FILTER (F15) When the engine runs short of fuel supply, check the fuel strainer for blockage. ■ WAY OF THE COOLING AIR (F16) This engine is air-cooled. Dust clogging between the inlet port of the cooling air and cylinder fins will cause overheating of the engine. Periodically check and clean the cyli[...]

  • Page 20

    21 English 6. MAINTENANCE F19 F20 ■ MUFFLER AFTER 100 HOURS OF USE 1. Remove the muffler, insert a screwdriver into the vent, and wipe away any carbon buildup. Wipe away any carbon buildup on the muffler exhaust vent at the same time. (F19) (1) screw driver (2) muffler 2. Tighten all screws, bolts, and fittings. 3. Check to see if any oil or grea[...]

  • Page 21

    English Model name ................ HTZ7500 [CHTZ6000] Type ..............................Reciprocating single-sided [double-sided] dual blades Blade length .............................. 750 [600]mm Engine model ........................... Zenoah GZ23N Displacement ......................................... 23.6cc Carburetor .......................[...]

  • Page 22

    Head Office: 1-9, Minamidai, Kawagoe-city, Saitama, 350-1192 Japan Telephone: (+81)49-243-1117 Telecopier: (+81)49-243-7197 Working for a better tomorrow PRINTED IN JAPAN[...]