Honda Automobiles HHT35S manuale d’uso

Owner's Manual © 2002, 2006 American Honda Motor Co., Inc.—All Rights Reserved POM53509B IPC XXXX.2006.01 Printed in U.S.A. 31VL3D00 00X31-VL3-D000 Printed on Recycled Paper EM4 See page 41 for instructions on assembling your T rimmer . T rimmer/Brush Cutter HHT25S • HHT35S[...]

Keep this owner ’s manual handy , so you can refer to it at any time. This owner ’ s manual is considered a permanent part of the trimmer/brush cutter and should remain with the trimmer/brush cutter if resold. The information and specifications included in this pub lication were in effect at the time of approval for printing. American Honda Mot[...]

1 INTRODUCTION Congratulations on your selection of a Honda trimme r/brush cutter! We are cert ain you will be pleased with your purchase of one of the finest trimmer/brush cutters on the market. We want to help you get the best result s from your new trimmer/brush cutter and to operate it safely . This manual contains the information on how to do [...]

2 INTRODUCTION A FEW WORDS ABOUT SAFETY Y our safety and the safety of others are very import ant, and using this trimmer/brush cutter safely is an important responsibility . T o help you make informed decisions about safety , we have provided operating procedures and other information on labels and in this manual. This info rmation alerts you to p[...]

3 CONTENTS TRIMMER SAFETY ............................ ............................. 4 IMPORTANT SAFETY INFORMAT ION ........................ 4 ATTACHMENTS & MODIFICATIONS. .......................... 5 IMPORTANT MESSAGE TO EMPL OYERS ................. 5 SAFETY LABEL LOCATIONS........ ................... ............ 6 RECOMMENDED CUTTING ATTACH[...]

4 TRIMMER SAFETY IMPORT ANT SAFETY INFORMA TION The Honda HHT25S and HHT35S trimmer/brush cutters are designed to cut grass, weeds, brush, and/or wood if equipped with an appropriate cutting attachment. Other uses can result in injury to the operator or damage to the trimmer and other property . These Honda trimmers are intended for use by gardenin[...]

TRIMMER SAFETY 5 A TT ACHMENTS & MODIFICA TIONS Modifying your trimmer/brush cutter , or installing non-Honda attachment s, can make your trimmer unsafe. Before you make any modifications or install any att achments, be sure to read the following information. Att achments Y our Honda trimmer servicing dealer has cutting attachment s, debris shi[...]

6 TRIMMER SAFETY SAFETY LABEL LOCA TIONS The labels shown here contain import ant safety information. Please read them carefully . These labels are considered permanent part s of your trimmer/brus h cutter . If a label comes of f or becomes hard to read, contact an authorized Honda servicing dealer for a replacement. TYPE EQUIPPED WITH LOOP HANDLE [...]

7 RECOMMENDED CUTTING ATTACHMENTS CUTTING-LINE HEADS AND SHIELDS A cutting-line head containing nylon monofilament line and a debris shield with a cutoff knife is st andard equipment. The shield’s cutoff knife automatically removes any excess line that is released from the cutting head. The U-type handlebar trimmers are supplied with two differen[...]

8 RECOMMENDED CUTTING ATTACHMENTS BLADES AND SHIELDS A variety of blades are available from your Honda trimmer servicing dealer . Always use a debris shield designed for use with a blade when attaching a blade to your trimmer . The blade type debris shield does not have a cutoff knife. Honda U-type handlebar trimmers are supplied with a blade cover[...]

RECOMMENDED CUTTING ATTACHMENTS 9 Brush/Wood Blade Cover Inst allation and Removal 1. Install the blade cover over the blade so half the blade is covered. T o prevent the post end from interfering with the debris shield, pull the post end away from the blade and set it on top of the blade as shown. T urn the blade cover slowly until the post end cl[...]

10 CONTROLS & EQUIPMENT SP ARK ARRESTER PRIMING BULB FUEL T ANK CAP FUEL SUPPL Y TUBE (black) ST ARTER GRIP CHOKE LEVER HARNESS HANGER DEBRIS SHIELD WITH CUTOFF KNIFE DRIVE CABLE FRAME PIPE LOOP HANDLE THROTTLE SET BUTTON OPERA T OR PRESENCE LEVER THROTTLE TRIGGER IGNITION SWITCH CUTTING-LINE HEAD GEAR CASE OIL FILLER CAP AIR CLEANER COVER HARN[...]

CONTROLS & EQUIPMENT 11 CONTROLS The location and operation of the controls are similar on both the HHT25S and HHT35S models. Choke Lever The choke lever opens and closes the choke valve. The CLOSED position enriches the fuel mixture for starting a cold engine. The OPEN position provides the correct fuel mixture for operation after st arting, a[...]

12 CONTROLS & EQUIPMENT Throttle Set Button The throttle set button is used to hold the throttle trigger at the fast idle position for starting. Do not allow the cutting line or blade to contact any obstruction when starting the engine with the throttle set button engaged. T o engage the throttle set button, press the operator presence lever by[...]

CONTROLS & EQUIPMENT 13 EQUIPMENT The Honda HHT25S and HHT35S trimmer/brush cutters are supplied with a shoulder harness and safety glasses. Refer to page 14 for a description of other equipment and protective clothing you will need. Shoulder Harness A full shoulder harness must be worn by the operator of these Honda trimmers/brush cutters when[...]

14 BEFORE OPERATION ARE YOU READY TO OPERA TE THE TRIMMER? Y our safety is your responsibility . A little time spent in preparation will significantly reduce your risk of injury . Knowledge Read and understand this manual. Know what the controls do and how to operate them. Familiarize yourself with the trimmer and its operation before you begin to [...]

BEFORE OPERATION 15 IS YOUR TRIMMER READY TO GO? For your safety , and to maximize the service life of your equipment, it is very important to t ake a few moments before you operate the trimmer to check its condition. Be sure to t ake care of any problem you find, or have your servicing dealer correct it, before you operate the trimmer . Safety Ins[...]

16 BEFORE OPERATION ARE YOUR SHOULDER HARNESS AND TRIMMER CORRECTL Y ADJUSTED? Adjusting the Harness Adjust the harness so the quick-release latch is at your right hip, as shown. Balancing the T rimmer on the Shoulder Harness Hang the trimmer on the harness hook, and see how it balances. Adjust the shoulder harness, the harness hanger on the frame [...]

17 OPERATION SAFE OPERA TING PRECAUTIONS Before operating the trimmer for the first time, please review the IMPORT ANT SAFETY INFORMA TION chapter on page 4 and BEFORE OPERA TION chapter st arting on p age 14. Even if you have operated other trimmers, take ti me to become familiar with the operation of this trimmer ’s controls and handling. For y[...]

18 OPERATION 5. Set the trimmer on the ground, resting on the debris shield and the fuel tank guard. Do not allow the cutting-line or blade to contact any obstruction. Always rest the trimmer on the ground for starting, rather than holding it in the operating position. This prevents the end of the trimmer from swinging into something as you start t[...]

OPERATION 19 STOPPING THE ENGINE 1. Release the throttle trigger . 2. Move the ignition switch to the STOP (O) position. W ait for the cutting line head or blade to stop before allowing the end of the trimmer to contact anything. TRIMMER/HARNESS QUICK DISCONNECTION T o quickly detach the trimmer from the harness, pull the quick-release latch tab up[...]

20 OPERATION Throttle Operation Pull the throttle trigger toward the grip to increase engine speed and start the cutting att achment rotation. The trimmer has the greatest cutting force at maximum engine speed. Release the throttle trigger to reduce engine speed. At idle, the cutting attachment should coast to a stop. Using a Nylon Cutting-Line Hea[...]

OPERATION 21 Using Blades Refer to the chart on page 9 for appropriate blade applications. If using a blade on a Honda trimmer equipped with a loop handle, also install the optional Honda conversion kit that includes a full shoulder harness, a barrier bar , and a debris shield for blades. Follow the installation instructions and safety information [...]

22 OPERATION Blade Thrust (Kickback) Blade thrust (kickback) is the sudden, forceful, and uncontrolled movement of a blade-equipped trimmer that may occur if the blade binds while cutting or strikes a solid object. Blade thrust (kickback) throws the trimmer in the direction opposite blade rotation at the point of contact, and the jolt rece ived by [...]

OPERATION 23 T rimming and Edging Use nylon line for cutting against a hard surface. Work from an angle where debris that strikes the hard surface will ricochet away from you. Avoid cont act with wires, wire fences, metal rods, etc. Overlapping a wire will cause the nylon line to wrap around the wire and break off. Brush Clearing Clearing brush wit[...]

24 SERVICING YOUR TRIMMER THE IMPORT ANCE OF MAINTENANCE Good maintenance is essential for safe, economical, and trouble-free operation. It will also help reduce air pollution. T o help you properly care for your trimmer , the following pages include a maintenance schedule, routine inspection procedures, and simple maintenance procedures using basi[...]

SERVICING YOUR TRIMMER 25 MAINTENANCE SCHEDULE (1) Log hours of operation to determine proper maintenance intervals. (2) Service more frequently when used in dusty areas. (3) These items should be serviced by your servicin g dealer , unless you have the proper tools and are mechanically proficient. Refer to the Honda shop manual for service procedu[...]

26 SERVICING YOUR TRIMMER ENGINE Engine Oil Level Check Check the engine oil level before each use, or every 10 hours if operated continuously . Rest the trimmer on a level surface, with the engine stopped and in an upright position. 1. Remove the filler cap/dipstick and wipe it clean. 2. Insert and remove the dipstick without screwing it into the [...]

SERVICING YOUR TRIMMER 27 Engine Oil Recommendations Oil is a major factor affecting performance and service life. Use 4-stroke automotive detergent oil. SAE 10W-30 is recommended for all temperatures wi thin the recommended operating range for these trimmers. The recommended operating range extends from 23 ° F (-5 ° C) to 104 ° F (40 ° C). The[...]

28 SERVICING YOUR TRIMMER Throttle Cable Inspection V erify the throttle trigger operates smoothly and the throttle cable is undamaged. If there is visible damage, or if the throttle trigger does not operate smoothly , have your authorized Honda servicing dealer replace the throttle cable. Check the free play at the end of the throttle cable. Free [...]

SERVICING YOUR TRIMMER 29 CUTTING A TT ACHMENTS There are several cutting attachment s for your trimmer . Use the following section to inspect, remove, service and install a st andard (factory- installed) cutting att achment. Always move the engine switch to the STOP (O) position and disconnect the spark plug cap before performing any inspection, a[...]

30 SERVICING YOUR TRIMMER Manual Cutting-Line Head 1. Clean any mud, dirt, debris, etc. from the area around the trimmer head; otherwise, it will be more difficult to service. 2. Rotate the lef t-hand threaded knob in the direction of the arrow and remove the knob. Remove the spring and spool from the housing then remove any remaining old line from[...]

SERVICING YOUR TRIMMER 31 5. When you have about 6 inches (150 mm) of line remaining, press the lines into the two notches on the bottom of the spool. This will hold the lines on the spool for reassembly . 6. Feed both line ends through the metal eyelet s in the housing. Be careful not to let the line slip under the spool. When the spool reaches th[...]

32 SERVICING YOUR TRIMMER Semi-Matic (Bump-Feed) Cutting-Line Head 1. Clean any mud, dirt, debris, etc., from around the trimmer head area; otherwise, it will be more difficult to service. 2. Locate the half-round locking hole on the spool. 3. It may be necessary to lightly rotate the spool in the direction of the arrow about an 1/8 turn until the [...]

SERVICING YOUR TRIMMER 33 7. Wind both lines tightly and evenly from side to side ignoring the ridge. Feed the line while turning the spool in the direction of the arrow . Do not allow the line to get twisted. It is important to prevent the two lines from getting twisting over each other . Position a finger between the lines as you turn the spool t[...]

34 SERVICING YOUR TRIMMER Removal and Inst allation This section shows you how to remove and install either style trimmer head from your trimmer . 1. Insert the tip of a 4 mm hex wrench, or equiv- alent, fully into the gear case hole. 2. T urn the trimmer cutting-line head until you feel the tool drop into the hole in the cover plate/spacer A. V er[...]

SERVICING YOUR TRIMMER 35 Blade Blade Inspection Always wear gloves when working around the blade. Before each use, check the blade for wear and damage, and check the tightness of the blade lock nut. Examine the entire head area, including the debris shield, and clear or clean it free from dirt, debris, loose string, wire, or any other foreign mate[...]

36 SERVICING YOUR TRIMMER 1. Install the protective plastic cover that came with the blade. 2. Insert a commercially available 4 mm hex tool or equivalent fully into the gear case hole. 3. T urn the blade until you feel the tool drop into the hole in cover plate/spacer A. V erify the blade does not turn. The output shaft and blade lock nut have a l[...]

SERVICING YOUR TRIMMER 37 Sp ark Plug Service Recommended spark plug: CMR5HSB (NGK) Incorrect spark plugs can cause engine damage. 1. Remove the 5 x 12 mm hex bolt and top cover . 2. Disconnect the spark plug cap, and remove any dirt from around the spark plug area. 3. Remove the spark plug with a 5/8-inch sp ark plug wrench. 4. Inspect the spark p[...]

38 SERVICING YOUR TRIMMER Sp ark Arrester Service The spark arrester must be serviced every 100 hours to keep it functioning as designed. If the engine has been running, the muffler will be very hot. Allow the muffler to cool before servicing the sp ark arrester . 1. Remove the 5 x 12 mm hex bolt and top cover 2. Remove the two 4 x 6 mm self-tappin[...]

SERVICING YOUR TRIMMER 39 FUEL SYSTEM Refueling Fuel t ank capacities : HHT25S: 0.13 US gal/16.9 fl oz (0.50  ) HHT35S: 0.17 US gal/22.0 fl oz (0.65  ) Check the fuel level by looking through the translucent fuel tank. If the fuel level is low , refuel in a well-ventilated area with the engine stopped. If the engine has been running, allow it[...]

40 SERVICING YOUR TRIMMER Fuel Filter and Fuel T ank Cleaning 1. Remove the fuel tank cap and empty the fuel t ank into an approved gasoline container . Use a funnel to avoid spill- ing gasoline. 2. Pull the fuel filter out through the fuel filler neck by hooking the black fuel supply tube with a piece of wire, such as a partly straightened p aper [...]

41 ASSEMBLY After assembly and before operation, review the Safe Operating Precautions on p age 17. IMPORT ANCE OF PROPER ASSEMBL Y Proper assembly is essential to operator safety and the reliability of the machine. Any error or oversight made by the person assembling and servicing a machine can result in faulty operation, damage to the machine, or[...]

42 ASSEMBLY UNP ACKING Carefully remove the trimmer and loose part s from the carton and compare the loose part s with the inventory list below . T ools Required (U-type handlebar only): A 4 mm hex wrench, 8 and 17 mm sockets, 0 to 25 f t-lb torque wrench. LOOSE P ARTS Check all loose part s against the following list. Cont act your authorized Hond[...]

ASSEMBLY 43 TRIMMER ASSEMBL Y U-Shaped Handlebar Inst allation 1. Remove the four 5 x 28 mm bolt/washers and handlebar holder A. 2. Set the U-shaped handle into handlebar holder B with the throttle trigger facing to the right. 3. Adjust the handlebar position as shown. 4. T ighten the four 5 x 28 mm bolt/washers. TOR QU E: 3.6 ft-lb (5 N · m, 0.5 [...]

44 ASSEMBLY Saw Blade The U-type handlebar models are shipped with a m anual nylon cutting-line head installed on the trimmer . If the saw blade is needed, move the igniti on switch to the ST OP (O) position and disconnect the spark plug cap from the sp ark plug. Wear protec tive gloves when working around the cutting-line head and saw blade. Cutti[...]

ASSEMBLY 45 Saw Blade Installation 1. Insert a 4 mm hex wrench or equivalent into the gear case hole to prevent the output shaft from turning. 2. Install cover plate/sp acer A onto the output shaft as shown. 3. With the blade cover installed on the blade, install the blade by aligning the center of the blade with the shoulder on cover plate/ spacer[...]

ASSEMBLY 46 BLADE COVER REMOV AL 1. T urn the blade cover slowly until the cover latch is clear of the debris shield. Unfasten the latch by lifting the t ab off the post. 2. Pull the post end away from the blade and set it on top of the blade as shown. 3. T urn the blade cover slowly until the post end is clear of the debris shield, then remove the[...]

ASSEMBLY 47 ENGINE OIL The trimmer is shipped WITHOUT OIL in the engine. 1. Place the trimmer on a level surface then remove the oil filler cap/dipstick. 2. Slowly add the recommended oil (included in the box) to the bottom edge of the oil filler opening. Do not overfill, as the engine oil tank capacity is small. 3. If the supplied oil is not used,[...]

48 STORAGE STORAGE PREP ARA TION Proper storage preparation is essential to keep your trimmer trouble free and looking good. The following steps will help to keep rust and corrosion from impairing your trimmer's function and appearance, and will make the engine easier to start when you use the trimmer again. Cleaning W ash the trimmer , includ[...]

STORAGE 49 Adding Fuel S tabilizer to Extend Fuel S torage Life When adding a fuel stabilizer , fill the fuel tank with fresh gasoline. If only partially filled, air in the tank will promote fuel deterioration during storage. If you keep a container of gasoline for refueling, be sure that it contains only fresh gasoline. Add fuel stabilizer followi[...]

50 TRANSPORTING BEFORE LOADING If the engine has been running, allow it to cool for at least 15 minutes before loading the trimmer on the transport vehicle. A hot engine and exhaust system can burn you and can ignite some materials. Always turn the ignition switch to the STOP (O) position. Make sure the fuel cap is securely tightened. LOADING The t[...]

51 TAKING CARE OF UNEXPECTED PROBLEMS Engine Will Not S tart Low Power or Engine Speed W on’t Increase Blade or Cutting-line Head Won’t S top T urning When the Throttle is at Slow Position Possible Cause Correction Ignition switch is in the STOP (O) pos ition. T urn the ignition switch ON (I). Choke is not in the CLOSED position (cold en gine).[...]

52 TAKING CARE OF UNEXPECTED PROBLEMS Blade or Cutting-line Head Won’t T urn Excessive Vibration Possible Cause Correction Worn or broken clutch, broken drive cable, worn or broken gear case part s. Replace or repair faulty component s as needed. Possible Cause Correction Loose cutting-line head or blade nut. T ighten the cutting-line head or bla[...]

53 TECHNICAL & CONSUMER INFORMATION TECHNICAL INFORMA TION This chapter contains import ant information about serial number locations, high altitude operation, oxygenated fuels, and emissions control systems. Serial Number Locations There are two serial numbers, one for the trimmer and one for the engine. Record these numbers in the space provi[...]

54 TECHNICAL & CONSUMER INFORMATION Oxygenated Fuels Some conventional gasolines are being blended with al cohol or an ether compound. These gasolines are collectively referred to as oxygenated fuels. T o meet clean air standards, some areas of the USA and Canada use oxygenated fuels to help reduce emissions. If you use an oxygenated fuel, be s[...]

TECHNICAL & CONSUMER INFORMATION 55 EMISSION CONTROL SYSTEM Source of Emissions The combustion process produces carbon monoxide, oxides of nitrogen, and hydrocarbons. Control of hydrocarbons and oxides of nitrogen is very important because, under cert ain conditions, they react to form photochemical smog when subjected to sunlight. Carbon monox[...]

56 TECHNICAL & CONSUMER INFORMATION Air Index An Air Index Information hang tag/label is applied to engines certified to an emission durability time period in accordance with the requirement s of the California Air Resources Board. The bar graph is intended to provide you, our customer , the ability to compare the emissions performance of avail[...]

TECHNICAL & CONSUMER INFORMATION 57 SPECIFICA TIONS 1 with saw blade installed Tu n e u p FEA TURES HHT25SL T A T HHT35SL T A T HHT35SUKA T GX25 1.1 hp • GX35 1.6 hp •• Loop handle •• U-type handlebar • Manual feed head optional optional • Semi-matic fe e d head •• optional Saw blade optional (requires optional Barrier Kit) op[...]

58 TECHNICAL & CONSUMER INFORMATION ENGINE HHT25S HHT35S Model GX25 GX35 Engine type 4-stroke, overhead-cam, single-cylinder Displacement 1.5 cu in (25.0 cc) 2.2 cu in (35.8 cc) Bore & stroke 1.4 x 1.0 in (35 x 26 mm) 1.5 x 1.2 in (39 x 30 mm) Maximum output* 1.1 hp (0.81 kW) at 7,000 rpm 1.6 hp (1.2 kW) at 7,000 rpm Maximum torque 0.92 ft-[...]

TECHNICAL & CONSUMER INFORMATION 59 CONSUMER INFORMA TION Dealer Locator Information T o find an Authorized Honda Se rvicing Dealer anywhere in the United S tates: Call (800) 426-7701 or visit our website: www.hondapowerequipment.com/dealer Customer Service Information Honda Power Equipment dealers hip personnel are trained professionals. They [...]

60 TECHNICAL & CONSUMER INFORMATION Distributor's Limited W arranty This warranty is limited to th e following Honda Power Equipment products when distributed by American Honda Motor Co., In c., Power Equipment Division, 4900 Marconi Drive, Alpharetta, Georgia 30005-8847. * Length of W arranty: Batteries su pplied with applicable products [...]

TECHNICAL & CONSUMER INFORMATION 61 Accessories, Replacement Pa rt s, and Apparel W arranty This warranty is limited to Ho nda Power Equipment parts, accessories and apparel when distributed by American Honda Motor Co., Inc., 4900 Marconi Drive, Alpharetta, Georgia 30005-8847 T o Qualify for this Warranty: 1. The accessories, replacement part s[...]

62 TECHNICAL & CONSUMER INFORMATION Emission Control System W arranty Y our new Honda Power Equipm ent engine complies with t h e U.S. EP A, Environment Canada and State of California emission re gulations. American Honda Motor Co., Inc. provides the emission warranty coverage fo r engines in the United States, and its territories. Honda Canada[...]

63 INDEX A Accessories warranty ..................................... 61 Air filter Check ....................................................... 27 Cleaning ................................................... 27 Air index ......................................................... 56 Assembly ....................................................... 4[...]

64 INDEX M Maintenance Air filter ..................................................... 27 Engine oil .................................................. 26 Fuel system .............................................. 39 Idle speed ................................................. 25 Importance ................................................ 24 Safet[...]

QUICK REFERENCE INFORMATION Fuel T ype Unleaded gasoline with a pump oc tane rating of 86 or higher (p age 39) Engine oil T ype SAE 10W -30, API SJ or later (page 27) S park plug T ype NGK: CMR5H Maintenance Before each use Check engine oil (page 26) Check air filter (page 27) Check throttle cable (page 28) Check cutting attachment (p ages 29 and 3[...]

Owner's Manual © 2002, 2006 American Honda Motor Co., Inc.—All Rights Reserved POM53509B IPC XXXX.2006.01 Printed in U.S.A. 31VL3D00 00X31-VL3-D000 Printed on Recycled Paper EM4 See page 41 for instructions on assembling your T rimmer . T rimmer/Brush Cutter HHT25S • HHT35S[...]