Shindaiwa C302 Operator's Manual
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Shindaiwa C302 Operator's Manual

Grass trimmer / brushcutter
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Grass Trimmer /
Brushcutter
The engine exhaust from this product contains chemicals
known to the State of California to cause cancer, birth defects,
or other reproductive harm.
Read and understand all provided literature before use.
Failure to do so could result in serious injury.
Note: This product complies with CAN ICES-2/NMB-2.
X7502350403
© 05/22 ECHO Incorporated
Operator's
Manual
C302

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Summary of Contents for Shindaiwa C302

  • Page 1 Operator’s Manual C302 Grass Trimmer / Brushcutter The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Read and understand all provided literature before use. Failure to do so could result in serious injury.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS C302 TABLE OF CONTENTS Introduction......................... 3 Servicing Information....................3 Parts and Serial Number..................3 Service ....................... 4 Consumer Product Support................4 Product Registration................... 4 Additional Literature ................... 4 Safety ......................... 5 Manual Safety Symbols and Important Information ........... 5 International Symbols..................

  • Page 3: Introduction

    SERVICING INFORMATION Parts and Serial Number Genuine Shindaiwa Parts and Assemblies for your Shindaiwa products are available only from an Authorized Shindaiwa Dealer. When you do need to buy parts always have the Model Number and Serial Number of the unit with you.

  • Page 4: Service

    Service Service of this product during the warranty period must be performed by an Authorized Shindaiwa Service Dealer. For the name and address of the Authorized Shindaiwa Service Dealer nearest you, ask your retailer or call: 1-877-986-7783. Dealer information is also available on www.shindaiwa- usa.com.

  • Page 5: Safety

    C302 SAFETY SAFETY Manual Safety Symbols and Important Information Throughout this manual and on the product itself, you will find safety alerts and helpful, informational messages preceded by symbols or key words. The following is an explanation of those symbols and key words and what they mean to you.

  • Page 6: International Symbols

    SAFETY C302 International Symbols Symbol Description Symbol Description Warning, See Carburetor Operator’s Adjustment - High Manual Speed Mixture Wear Eye, Ear Carburetor and Head Adjustment - Idle Protection Speed Wear Hand Carburetor and Foot Adjustment - Low Protection Speed Mixture...
  • Page 7 C302 SAFETY Symbol Description Symbol Description Wear harness Beware Thrown when operating Objects with a blade. Beware of blade Do not use blades. thrust String line only. Do not use string line. Blades only. Note: Not all symbols will appear on your unit.

  • Page 8: Personal Condition And Safety Equipment

    SAFETY C302 Personal Condition and Safety Equipment Cancer and Reproductive Harm www.P65Warnings.ca.gov The muffler or catalytic muffler and surrounding cover may become extremely hot. Always keep clear of exhaust and muffler area, otherwise serious personal injury might occur. Users of this product risk injury to themselves and others if the unit is used improperly and/or safety precautions are not followed.
  • Page 9 C302 SAFETY Hand Protection Wear sturdy, no-slip, rubber work gloves to improve your grip on the handles. Gloves also provide protection against cuts and scratches, cold environments, and reduce the transmission of machine vibration to your hands. Hearing and Ear Protection ECHO recommends wearing personal protective equipment whenever unit is used.
  • Page 10 SAFETY C302 The components of this machine generate an electromagnetic field during operation, which can interfere with some pacemakers. To reduce the risk of serious or fatal injury, persons with pacemakers should consult with their physician and the pacemaker manufacturer before operating this machine.
  • Page 11 C302 SAFETY Repetitive Stress Injuries (RSI) It is believed that overusing the muscles and tendons of the fingers, hands, arms, and shoulders may cause soreness, swelling, numbness, weakness, and extreme pain in those areas. Certain repetitive hand activities may put you at a high risk for developing a Repetitive Stress Injury (RSI).
  • Page 12 SAFETY C302 Read Manuals • Provide all users of this equipment with literature for instructions on safe operation. Clear the Work Area • Always clear the work area of foreign objects such as rocks, broken glass, nails, wire, or string, and check for any hidden hazards. Spectators and fellow workers must be warned, and children and animals prevented from coming nearer than 15 m (50 ft.) while the unit is in use.

  • Page 13: Equipment

    C302 SAFETY Equipment Use only approved attachments. Serious injury may result from the use of a non-approved attachment combination. ECHO Incorporated will not be responsible for the failure of cutting devices, attachments or accessories which have not been tested and approved by ECHO Incorporated. Read and comply with all safety instructions.
  • Page 14 SAFETY C302 Position wiring safely to prevent snagging, separation of ◆ connectors, or breakage during operation. Gather excess wire, and secure with wiring clamp if provided on equipment, or tuck behind the air filter area. Do not place wiring directly against hot engine components.

  • Page 15: Emission Control (Exhaust & Evaporative)

    C302 EMISSION CONTROL EMISSION CONTROL (EXHAUST & EVAPORATIVE) CARB and EPA Emissions Control Information The emission control system for the engine is EM (engine modification) and, if the second to last character of the Engine Family on the Emission Control Information label (sample below) is “B”, “C”, “K”, or “T”, the emission...

  • Page 16: Description

    Locate the safety decal(s) on your unit. Make sure the decal(s) is legible and that you understand and follow the instructions on it. If a decal cannot be read, a new one can be ordered from your SHINDAIWA dealer. The safety decal is for example only. Your label may appear slightly different.
  • Page 17 C302 DESCRIPTION Spark Plug Top Guard Spark Arrester Muffler or Spark Arrester Muffler with Catalyst Fuel Tank Fuel Tank Cap Choke Air Cleaner Purge Bulb Recoil Starter Handle 10. Power Head 11. Hanger Set 12. Stop Switch 13. Throttle Trigger Lockout 14.

  • Page 18: Contents

    Due to packaging restrictions, some assembly may be necessary. After opening the carton, check for damage. Immediately notify your retailer or SHINDAIWA Dealer of damaged or missing parts. Use the contents list to check for missing parts. Power Head / Drive Shaft Assembly U-handle Assembly Operator’s Manual...

  • Page 19: Assembly

    C302 ASSEMBLY ASSEMBLY U-Handle Installation Parts required: U-handle, upper U-handle clamp, four U-handle bolts. Position U-handle as shown. Install upper U-handle clamp (A) and secure with four U-handle bolts (B). Route throttle linkage and ignition lead assembly along shaft and clip as shown.

  • Page 20: Blade Operation

    ASSEMBLY C302 Note: The throttle linkage must be adjusted by moving the adjustment nut (D). Consult with your dealer for correct adjustment procedure. Tighten nut (E). Connect ignition stop leads (F, G) from throttle cable assembly to ignition leads (F, G) on engine.
  • Page 21 C302 ASSEMBLY Note: Includes U-handle and necessary blade conversion parts. Blades must be selected for type of cutting being performed. See “Blade Selection.” Shield Installation (for blade operation) Parts required: Shield without cut-off knife. If installed remove nylon line head and shield with cut-off knife.
  • Page 22 ASSEMBLY C302 Slide shield without cut off knife (M) onto shield base. Secure shield with bolt and nut (J,K). Install Blade Parts required: Upper Plate, Lower Plate, 10 mm Nut with left-hand threads, 2 x 25 mm Cotter Pin, Blade.

  • Page 23: Shield Installation

    C302 ASSEMBLY Shield Installation (Nylon line head operation) Parts required: Shield with Cut-off Knife. Shield with cut-off knife is for use with the nylon line head only. Install shield without cut-off knife when using plastic or metal blades, or serious injury may result.

  • Page 24: Nylon Line Head Installation

    ASSEMBLY C302 Nylon Line Head Installation Parts required: Nylon Line Head. Wear gloves or personal injury may result: Cut-off knife is sharp. ◆ Gear case and surrounding area may be hot. ◆ Make sure shield with cut-off knife and upper plate are properly installed.

  • Page 25: Balance And Adjust Unit

    C302 OPERATION Balance and Adjust Unit Loosen harness clamp screw. Put on harness and attach unit to harness. Slide harness clamp up (A) or down until unit balances with head approximately 50-75 mm (2-3 in.) from the ground. Tighten harness clamp screw.

  • Page 26: Operation With Blades

    OPERATION C302 Operation with Blades Metal blades are very sharp and can cause severe injuries, even if unit is off and blades are not moving. Avoid contact with blades. Wear gloves to protect hands. Blade use demands specific brushcutter configuration.

  • Page 27: Blade Selection

    Blade Selection Not all blades are compatible with all trimmers. Visit www.echo- usa.com or www.shindaiwa-usa.com to find compatible blades The type of blade used MUST be matched to the type and size of material cut. An improper or dull blade can cause serious personal injury.
  • Page 28 OPERATION C302 Always use extreme care when carrying or handling the equipment to avoid contact with the cutting edges of the blade. Use the optional blade cover when unit is not in use. Keep blades in protective packaging until ready to install. Store blades safely after removal to prevent injury from accidental contact.

  • Page 29: Fuel

    NOT approved. Use of ECHO branded fuel is recommended to extend engine life in all air-cooled 2-stroke and 2/4-stroke hybrid engines. Two Stroke Oil - A 2-stroke engine oil, such as Shindaiwa branded 2-stroke oils, meeting ISO-L-EGD (ISO/CD 13738) and J.A.S.O. FD Standards must be used.
  • Page 30 AVOID repeated or prolonged skin contact. ◆ AVOID inhaling oil mists or vapors. ◆ Shindaiwa branded 2-stroke oils may be mixed at 50:1 ratio for application in all Shindaiwa engines sold in the past, regardless of ratio specified in those manuals. Handling Fuel Fuel is VERY flammable.
  • Page 31 C302 OPERATION Mixing Instructions Fuel to Oil Mix – 50:1 Ratio Fill an approved fuel container Metric with half of the required amount of gasoline. Add the proper amount of gal. fl. oz. engine oil to gasoline. Close container and shake to mix oil with gasoline.

  • Page 32: Starting Cold Engine

    OPERATION C302 Starting Cold Engine The attachment will operate immediately when the engine starts, and could result in possible serious injury. Keep movable parts of the attachment away from objects that could become entangled or thrown, and surfaces that could cause loss of control.

  • Page 33: Starting Warm Engine

    C302 OPERATION Recoil Starter Lay the unit on a flat area and keep movable attachment parts clear of all obstacles. Firmly grasp throttle handle and throttle trigger lockout (E) with left hand and fully depress throttle trigger to wide open position. Rapidly...
  • Page 34 OPERATION C302 Stop Switch Move stop switch button (A) backward away from the STOP position. Purge Bulb Pump purge bulb (C) until fuel is visible in the “Clear” fuel return line. Note: Lightly place knee on drive shaft to stabilize unit during starting.

  • Page 35: Stopping Engine

    C302 OPERATION Stopping Engine Throttle Release throttle trigger and allow engine to return to idle before shutting off engine. Stop Switch Move stop switch button (A) forward to STOP position. If engine does not stop when stop switch is moved to STOP position, close choke - COLD START position - to stall engine.

  • Page 36: Operating Techniques - Metal Or Plastic Blade

    OPERATION C302 • Model SRM/DSRM/PAS/DPAS/SB/TX/C/T (Straight shaft, counter- clockwise line head rotation) - Tilt the cutting head down on the right side while cutting to direct cutting debris away from operator. Feed the line gradually into the material you wish to cut, avoiding contact with fences or other barriers.

  • Page 37: Reaction Forces

    C302 OPERATION • Do not swing the main pipe with arms. Turn hips to swing the blade horizontally from right to left, and cut weeds on the left side of the blade. • Do not scythe back and forth as the grass may scatter and kickback may occur easily.
  • Page 38 OPERATION C302 Push or Pull - Kickout During normal use, operating a brushcutter with a circular metal blade can produce sudden strong reaction forces that are difficult to control. Strong reaction forces can cause a loss of balance or loss of control of the equipment, resulting in serious injury to operator and bystanders.

  • Page 39: Blade Cutting Problems

    C302 OPERATION • Applying consistent, even force to the blade during the cut • Avoiding obstacles and ground hazards • Using extra care when cutting harder materials such as extremely dry brush, saplings, and small trees • Cutting from a stable, secure position...

  • Page 40: Maintenance

    MAINTENANCE C302 MAINTENANCE Moving parts can amputate fingers or cause severe injuries. Keep hands, clothing and loose objects away from all openings. Always stop engine, disconnect spark plug, and make sure all moving parts have come to a complete stop before removing obstructions, clearing debris, or servicing unit.

  • Page 41: Maintenance Intervals

    C302 MAINTENANCE Maintenance Intervals REQ’D MAINTENANCE COMPONENT/SYSTEM SKILL PROCEDURE LEVEL Daily or Before Use Air Filter Inspect/Clean * Choke Shutter Inspect/Clean * Fuel System Inspect Cooling System Inspect/Clean Recoil Starter Rope Inspect/Clean * Screws/Nuts/Bolts Inspect/Tighten/Replace * Every Refuel Fuel System...

  • Page 42: Air Filter

    MAINTENANCE C302 Air Filter Level 1 Parts required: Tune Up Kit. Close choke (COLD START position). This prevents dirt from entering the carburetor throat when the air filter is removed. Brush accumulated dirt from air cleaner area. Remove air filter cover. Brush dirt from inside cover.

  • Page 43: Fuel Filter

    C302 MAINTENANCE Assure air filter is assembled with pleats oriented vertically. Fuel Filter Level 1. Parts required: Tune Up Kit. Fuel is VERY flammable. Use extreme care when mixing, storing or handling, or serious personal injury may result. Use a clean rag to remove loose dirt from around fuel cap and empty fuel tank.

  • Page 44: Spark Plug

    MAINTENANCE C302 Note: Federal EPA regulations require all model year 2012 and later gasoline powered engines produced for sale in the United States to be equipped with a special low permeation fuel supply hose between the carburetor and fuel tank. When...
  • Page 45 C302 MAINTENANCE • Dust and grass build up on the outside of the cylinder. This build up insulates the engine and prevents the heat from leaving. Removal of cooling passage blockages or cleaning of cooling fins is considered “Normal Maintenance.” Any failure attributed to lack of maintenance is not warranted.

  • Page 46: Exhaust System

    MAINTENANCE C302 Exhaust System Spark Arrester Screen Level 2. Parts required: Spark Arrester Screen, Gasket. Remove spark plug lead. Remove muffler cover (A). Place piston at Top Dead Center (TDC) to prevent carbon or dirt from entering cylinder. Remove spark arrestor screen cover (B), gasket (C), and screen (D), from muffler body.
  • Page 47 C302 MAINTENANCE Exhaust Port Cleaning Level 2. Parts needed: Heat Shield (as required). Never use a metal tool to scrape carbon from the exhaust port. Do not scratch the cylinder or piston when cleaning the exhaust port. Do not allow carbon particles to enter the cylinder.

  • Page 48: Carburetor Adjustment

    MAINTENANCE C302 Carburetor Adjustment Level 2. When carburetor adjustment is completed, the cutting attachment should not move at idle, otherwise serious personal injury may result. Engine Break-In New engines must be operated a minimum duration of two tanks of fuel break-in before carburetor adjustments can be made.

  • Page 49: Lubrication

    C302 MAINTENANCE Check idle speed and reset if necessary. If a tachometer is available, idle speed screw (A) should be set to the specifications found on “Specifications” page of this manual. Turn idle screw (A) clockwise to increase idle speed; counterclockwise to decrease idle speed.

  • Page 50: Nylon Line Head Disassembly Instructions

    MAINTENANCE C302 Drive Shaft (flex cable only) Loosen screw (B) and remove locating screw (C). Pull gear case and shield from drive shaft housing. Pull flexible cable (D) from the drive shaft housing, wipe clean and re-coat with 15 ml (0.5 oz.) of grease.

  • Page 51: Nylon Line Replacement

    C302 MAINTENANCE Nylon Line Replacement Wear gloves or personal injury may result: Cut-off knife is sharp. ◆ Gear case and surrounding area may be hot. ◆ Cut one piece of line to recommended length: • 2.0 mm (0.080 in.) diameter, 7.6 m (25 ft.) •...
  • Page 52 MAINTENANCE C302 Hold trimmer head while turning knob clockwise to wind line onto spool until about 13 cm (5 in.) of each line remains exposed. Trimmer head is now fully loaded and ready for operation. When the wear indicators located at the bottom of the ®...

  • Page 53: Sharpening Metal Blades

    C302 MAINTENANCE Sharpening Metal Blades Metal blades are very sharp and can cause severe injuries, even if unit is off and blades are not moving. Avoid contact with blades. Wear gloves to protect hands. Several styles of metal blades are approved for use on the Brushcutter.

  • Page 54: Troubleshooting

    TROUBLESHOOTING C302 After sharpening teeth, check CUTTING each tooth radius for evidence TOOTH GULLET of a square (sharp) corner. Use AREA (RADIUS) the round (rat tail) file to renew 30º the radius. CUTTING TOOTH RADIUS TROUBLESHOOTING ENGINE PROBLEM TROUBLESHOOTING CHART...
  • Page 55 C302 TROUBLESHOOTING ENGINE PROBLEM TROUBLESHOOTING CHART Problem Check Status Cause Remedy Engine Air filter Air filter dirty Normal wear Clean or replace runs, but Fuel filter Contaminants Replace filter or dies Fuel filter dirty or residue in fuel replace fuel...

  • Page 56: Storage

    STORAGE C302 STORAGE During operation the muffler or catalytic muffler and surrounding cover become hot. Always keep exhaust area clear of flammable debris during transportation or when storing, otherwise serious property damage or personal injury may result. Long Term Storage (Over 30 Days)

  • Page 57: Specifications

    C302 SPECIFICATIONS SPECIFICATIONS MODEL C302 Length 1,811 mm (71.3 in.) (without cutter head) Width 567 mm (22.3 in.) Height 524 mm (20.6 in.) Weight - dry 5.9 kg (13 lb.) (without cutter head) Air cooled, two-stroke, single cylinder gasoline Engine Type...

  • Page 58: Product Registration

    PRODUCT REGISTRATION Thank you for choosing Shindaiwa Power Equipment Please go to http://www.shindaiwa-usa.com to register your new product on-line. It's FAST and EASY! NOTE: your information will never be sold or misused by ECHO Incorporated. Registering your purchase enables us to contact you in the unlikely event of a service update or product recall, and verifies your ownership for warranty consideration.
  • Page 59 C302 PRODUCT REGISTRATION X7502350403 © 05/22 ECHO Incorporated...
  • Page 60 U10215001001-U10215999999 U34215001001-U34215999999 ECHO INCORPORATED 400 Oakwood Road Lake Zurich, IL 60047 -usa www.shindaiwa .com...

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