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INTRODUCTION
Congratulations on your selection of a Honda trimmer/brush cutter!
We are certain 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 results from your new trimmer/brush
cutter and to operate it safely. This manual contains the information
on how to do that; please read it carefully.
As you read this manual, you will find information preceded by a
symbol. That information is intended to help you avoid
NOTICE
damage to your trimmer/brush cutter, other property, or the
environment.
We suggest you read the Distributor's Limited Warranty (page 30) and
the Emission Control System Warranty (page 31) to fully understand
its coverage and your responsibilities of ownership.
When your trimmer/brush cutter needs scheduled maintenance, keep
in mind that your Honda servicing dealer is specially trained in
servicing Honda trimmers/brush cutters. Your Honda servicing dealer
is dedicated to your satisfaction, and will be pleased to answer your
questions and concerns.
SAFETY MESSAGES
Your safety and the safety of others are very important. We have
provided important safety messages in this manual and on the
trimmer/brush cutter. This information alerts you to potential hazards
that could hurt you or others. Please read these messages carefully.
Of course, it is not practical or possible to warn you about all the
hazards associated with operating or maintaining a trimmer/brush
cutter. You must use your own good judgment.
You will find important safety information in a variety of forms:
• Safety Labels - on the trimmer/brush cutter.
• Safety Messages - preceded by a safety alert  symbol and one
of three signal words: DANGER, WARNING, or CAUTION. These
signal words mean:
 DANGER
 WARNING
 CAUTION
• Safety Headings-such as IMPORTANT SAFETY
INFORMATION.
• Safety Section-such as TRIMMER SAFETY.
• Instructions - how to use this trimmer/brush cutter correctly and
safely.
This entire book is filled with important safety information-please
read it carefully.
© 2004-2006 American Honda Motor Co., Inc.-All Rights Reserved
31VL3D10
00X31-VL3-D100
You WILL be KILLED or SERIOUSLY
HURT if you don't follow instructions.
You CAN be KILLED or SERIOUSLY
HURT if you don't follow instructions.
You CAN be HURT if you don't follow
instructions.
POM53509-C
IPC
EM5
4000.2006.12
PRINTED IN U.S.A.
OWNER'S MANUAL
HHT25S • HHT35S
Trimmer/Brush Cutter
WARNING:
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects or other reproductive harm.
CONTENTS
TRIMMER SAFETY ........................................................................................................2
IMPORTANT SAFETY INFORMATION ..................................................................2
ATTACHMENTS & MODIFICATIONS.....................................................................2
IMPORTANT MESSAGE TO EMPLOYERS ...........................................................2
SAFETY LABEL LOCATIONS.................................................................................3
RECOMMENDED CUTTING ATTACHMENTS ..............................................................3
CUTTING-LINE HEADS AND SHIELDS .................................................................3
BLADES AND SHIELDS..........................................................................................4
CUTTING ATTACHMENT APPLICATIONS ............................................................5
ASSEMBLY.....................................................................................................................5
IMPORTANT SAFETY PRECAUTIONS..................................................................5
UNPACKING ...........................................................................................................5
LOOSE PARTS .......................................................................................................6
U-TYPE HANDLEBAR.............................................................................................6
SAW BLADE............................................................................................................7
ENGINE OIL ............................................................................................................8
CONTROLS AND EQUIPMENT .....................................................................................9
BEFORE OPERATION .................................................................................................11
OPERATION .................................................................................................................12
SAFE OPERATING PRECAUTIONS ....................................................................12
STOPPING THE ENGINE .....................................................................................13
TRIMMER/HARNESS QUICK DISCONNECTION ................................................14
TRIMMER OPERATION........................................................................................14
SAFE OPERATING PRACTICES.......................................................................... 15
OPERATING TIPS.................................................................................................15
SERVICING YOUR TRIMMER .....................................................................................16
MAINTENANCE SAFETY......................................................................................16
MAINTENANCE SCHEDULE ................................................................................17
ENGINE .................................................................................................................17
CUTTING ATTACHMENTS...................................................................................18
FUEL SYSTEM......................................................................................................24
STORAGE.....................................................................................................................25
TRANSPORTING..........................................................................................................26
TAKING CARE OF UNEXPECTED PROBLEMS ......................................................... 26
TECHNICAL INFORMATION........................................................................................27
EMISSION CONTROL SYSTEM...........................................................................27
SPECIFICATIONS.................................................................................................28
CONSUMER INFORMATION .......................................................................................29
DISTRIBUTOR'S LIMITED WARRANTY ..............................................................30
EMISSION CONTROL SYSTEM WARRANTY .....................................................31
QUICK REFERENCE INFORMATION ..................................................................32
1

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   Summary of Contents for Honda HHT35S

  • Page 1: Table Of Contents

    When your trimmer/brush cutter needs scheduled maintenance, keep in mind that your Honda servicing dealer is specially trained in servicing Honda trimmers/brush cutters. Your Honda servicing dealer is dedicated to your satisfaction, and will be pleased to answer your WARNING: ...

  • Page 2: Trimmer Safety

    Tighten or replace as needed IMPORTANT SAFETY INFORMATION before operating the trimmer. The Honda HHT25S and HHT35S trimmer/brush cutters are designed • Do not operate the trimmer without a debris shield properly to cut grass, weeds, brush, and/or wood if equipped with an installed.

  • Page 3: Safety Label Locations

    These labels are considered permanent parts of your trimmer/brush cutter. If a label comes off or becomes hard to read, contact an authorized Honda servicing dealer for a replacement. CUTTING-LINE HEADS AND SHIELDS A cutting-line head containing nylon monofilament line and a debris shield with a cutoff knife is standard equipment.

  • Page 4: Blades And Shields

    COVER BLADE POST END DEBRIS If installing a metal blade on a Honda trimmer equipped with a loop SHIELD handle, also install the optional barrier kit that includes a full shoulder BLADE COVER harness, a barrier bar, and a debris shield for metal blades. Follow the safety information and installation instructions that come with the kit.

  • Page 5: Cutting Attachment Applications

    UNPACKING Carefully remove the trimmer and loose parts from the carton and Your Honda trimmer servicing dealer has cutting attachments that compare the loose parts with the inventory list on page 6. have been designed and approved for your trimmer and are covered Tools Required (U-type handlebar only): by warranty.

  • Page 6: Loose Parts

    Check all loose parts against the following list. Contact your Installation authorized Honda servicing dealer if any of the loose parts shown are 1. Remove the four 5 x 28 mm bolt/washers and handlebar holder A. not included with your trimmer.

  • Page 7: Saw Blade

    SAW BLADE 2. Install the brush/wood blade debris shield. Tighten the bolt/washers: The U-type handlebar models are shipped with a manual nylon TORQUE: 2.5 ft-lb (3.4 N·m, 0.34 kg-m) cutting-line head installed on the trimmer. If the saw blade is needed, move the ignition switch to the STOP (O) position and disconnect the 5 x 28 mm spark plug cap from the spark plug.

  • Page 8: Engine Oil

    Blade Cover Removal ENGINE OIL 1. Turn the blade cover slowly until the cover latch is clear of the The trimmer is shipped WITHOUT OIL in the engine. debris shield. 1. Place the trimmer on a level surface then remove the oil filler Unfasten the latch by lifting the tab off the post.

  • Page 9: Controls And Equipment

    CONTROLS AND EQUIPMENT Engine SPARK PLUG CHOKE COMPONENT CONTROLS AND LOCATIONS LEVER SPARK Loop Type Handle ARRESTER CLEANER COVER CUTTING-LINE HEAD GEAR CASE STARTER PRIMING GRIP BULB LOOP HANDLE HARNESS HANGER FUEL RETURN THROTTLE SET BUTTON TUBE (CLEAR) OIL FILLER CAP OPERATOR FUEL SUPPLY DEBRIS SHIELD...

  • Page 10

    Pulling the throttle trigger toward the control handle grip increases engine speed. The trimmer will have the greatest cutting force at A full shoulder harness must be worn by the operator of these Honda maximum engine speed. trimmers/brush cutters when equipped with a blade and debris shield.

  • Page 11: Before Operation

    Standards Institute) standard Z87.1 must be worn by the operator of operating the trimmer, carefully inspect the area and remove all any Honda trimmer/brush cutter. The safety glasses supplied with objects that could be thrown by, or entangled in, the cutting each new Honda HHT25S and HHT35S trimmer/brush cutter comply attachment, such as rocks, broken glass, nails, wire, or string.

  • Page 12: Operation

    Cutting Attachment Inspection Balancing the Trimmer on the Shoulder Harness Hang the trimmer on the harness hook, and see how it balances. • Look for signs of damage to the cutting attachment (see page 18 and page 21). Replace any cutting attachment and parts that are Adjust the shoulder harness, the harness hanger on the frame pipe, worn out, bent, cracked, chipped, or damaged in any way.

  • Page 13: Stopping The Engine

    3. Set the throttle trigger in the starting position, using the throttle set before using the trimmer. For idle adjustment, consult your button. authorized Honda servicing dealer. To set the throttle trigger for starting, press the operator presence STOPPING THE ENGINE...

  • Page 14: Trimmer/harness Quick Disconnection

    TRIMMER/HARNESS QUICK DISCONNECTION Throttle Operation Pull the throttle trigger toward the grip to increase engine speed and To quickly detach the trimmer from the harness, pull the quick-release start the cutting attachment rotation. latch tab upward. LATCH TAB The trimmer has the greatest cutting force at maximum engine speed. Release the throttle trigger to reduce engine speed.

  • Page 15: Safe Operating Practices

    Blade thrust (kickback) is the sudden, forceful, and uncontrolled movement of a blade-equipped trimmer that may occur if the blade If using a blade on a Honda trimmer equipped with a loop handle, also binds while cutting or strikes a solid object.

  • Page 16: Servicing Your Trimmer

    TRIMMING simple maintenance procedures using basic hand tools. Other service tasks that are more difficult, or require special tools, are best handled by professionals and are normally performed by a Honda technician Brush Clearing or other qualified mechanic. Clearing brush with a brush blade may require both scything and The maintenance schedule applies to normal operating conditions.

  • Page 17: Maintenance Schedule

    OPENING 2. Service more frequently when used in dusty areas. 3. These items should be serviced by an authorized Honda servicing dealer unless you have the proper tools and are mechanically proficient. Refer to the Honda shop manual for service procedures.

  • Page 18

    The SAE oil viscosity and service classification are on the API label Free play: 1/16 ~ 1/8 in (1.0 ~ 3.0 mm) on the oil container. Honda recommends that you use API SERVICE If adjustment is needed, use the following cable adjustment category SJ or later.

  • Page 19: Cutting Attachments

    Cutting-Line Heads muffler to cool before servicing the spark arrester. All Honda trimmers come with either a manual or semi-matic cutting 1. Remove the 5 x 12 mm hex bolt and top cover. head. Read this section to learn how to inspect, install new line, and remove and install a cutting head from the trimmer.

  • Page 20

    Do not use any kind of metal, wire, or wire rope line on the trimmer. Use only genuine Honda replacement nylon trimmer line or equivalent. Honda trimmers come standard with low noise line. Using non-Honda line may result in increased noise levels. For original, factory-installed Honda cutting-line heads, use only nylon monofilament line in the line sizes shown below.

  • Page 21

    7. Install the spring and knob. Rotate the knob in the direction of the 6. Measure approximately 20 feet (6 meters) of new line, then thread arrow and hand tighten securely. one end through the hole in the ridge on the spool. Pull the line until the two lengths are equal.

  • Page 22

    A dull blade can be sharpened, but a blade that is worn out, bent, cracked, chipped, or otherwise damaged must be replaced. When a blade needs sharping or replacement, take the trimmer to a Honda trimmer servicing dealer. Or, if you have a torque wrench, you can remove and install a blade yourself.

  • Page 23

    DEBRIS SHIELD The blade lock nut is specially designed for this application. When (with cutoff knife) replacing the lock nut, use only a genuine Honda replacement lock nut. BLADE SHARPENING: To avoid weakening the blade or causing imbalance or poor cutting, the blade should be sharpened by trained staff at a Honda trimmer servicing dealer.

  • Page 24: Fuel System

    FUEL SYSTEM Fuel Filter and Fuel Tank Cleaning 1. Remove the fuel tank cap and empty the fuel tank into an approved Refueling gasoline container. Use a funnel to avoid spilling gasoline. This engine is certified to operate on unleaded gasoline with a pump octane rating of 86 or higher.

  • Page 25: Storage

    STORAGE Adding Fuel Stabilizer to Extend Fuel Storage 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 PREPARATION storage. If you keep a container of gasoline for refueling, be sure that it contains only fresh gasoline.

  • Page 26: Transporting

    TRANSPORTING Low Power or Engine Speed Won’t Increase Possible Cause Correction BEFORE LOADING Air filter is dirty or clogged. Clean or replace the air filter. If the engine has been running, allow it to cool for at least 15 minutes Fuel filter is dirty or clogged.

  • Page 27: Technical Information

    EPA, California and Canadian regulations require all manufacturers to furnish written instructions describing the operation and maintenance of emissions control systems. The following instructions and procedures must be followed in order to keep the emissions from your Honda engine within the emissions standards. ENGINE Tampering and Altering...

  • Page 28: Specifications

    (0.60 - 0.70 mm) GX35 • • See your Valve clearance Intake: 0.08 ± 0.02 mm authorized Loop handle • • (cold) Exhaust: 0.11 ± 0.02 mm servicing Honda U-type dealer • handlebar Manual feed ENGINE (HHT25S) optional optional • head Model GX25 Semi-matic •...

  • Page 29: Consumer Information

    Ignition switch Slide type It is intended to be used by a skilled technician. Available through Throttle control Two-motion trigger style your Honda dealer or through Helm Inc. at (888) 292-5395 or visit: 1.0 in (25.4 mm) Frame www.hondapowerequipment.com/own.htm. pipe Thickness 0.059 in (1.5 mm)

  • Page 30: Distributor's Limited Warranty

    What American Honda Will Repair or Replace Under Warranty: 1. The accessories, replacement parts, or apparel must be purchased American Honda will repair or replace, at its option, any part that is proven to from American Honda or a dealer, distributor, or distributor’s dealer...

  • Page 31: Emission Control System Warranty

    Honda dealer determines it is defective or causes a failure of a warranted part, your claim for repair of your engine may be denied. If the part in question is not Other States, U.S.

  • Page 32: Quick Reference Information

    QUICK REFERENCE INFORMATION To Obtain Warranty Service: You must take your Honda Power Equipment engine or the product on which it is installed, along with your warranty registration card or other proof of original purchase date, at your expense, to any Honda Power Equipment dealer who is...

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