Page 2 - special significance.; Contents; Specifications
2 The Shindaiwa H4 series of hand-held power equipment is designed and built to deliver superior performance and reliability without compromise to quality, comfort, safety or durability. Shindaiwa engines represent the leading edge of high-performance engine technology, delivering exceptionally high...
Page 3 - Work Safely; Never allow a person without; Stay Alert; You must be physically and mentally fit; Safety; are under the influence of alcohol,; Safety Labels
3 ALWAYS inspect unit before each use. Replace any damaged parts. NEVER run the engine when trans- porting the unit. NEVER run the engine indoors! Make sure there is always good ventila- tion. Fumes from engine exhaust can cause serious injury or death. ALWAYS stop the unit immediately if it suddenl...
Page 5 - Product Description; modifications or alterations to any of; Specifications are subject to change without notice.
5 Product Description Using the illustration as a guide, familiarize yourself with your machine and its various com- ponents. Understanding your machine helps ensure top perfor- mance, long service life and safer operation. WARNING! Do not make unauthorized modifications or alterations to any of the...
Page 6 - Prior to Assembly; Prior to Assembly; followed as listed in the Maintenance Section of this manual.; Handlebar Assembly
6 Handlebar and Throttle assembly Ŷ Handlebar C unit Install the handlebar: Use the 4 mm hex wrench to remove the 1. lower cap retaining screws from the handlebar bracket. Remove the cap from the bracket.Position the handle on the outer tube for- 2. ward of Handle Positioning Label as shown. Reassem...
Page 7 - NOTE; Install Cutting Attachment Shield; CAUTION; Adjust throttle trigger free play; Throttle Linkage and Ignition
7 4-6 mm (3/16”-1/4”) Throttle Free Play Remove air cleaner cover Throttle trigger free play Cable Adjuster A B C NOTE The plastic shield is for use with the Nylon Line Head only. Install Metal Shield when using plastic or metal blades. 1. Remove plastic threaded shaft sleeve and adapter plate (C) f...
Page 8 - Blade Installation; Install Metal Shield; To advance trimmer line; See Maintenance Section for Loading Trimmer Line.; Remove nylon line head
8 Blade Installation WARNING! You must install the U-Handle and all Blade Conversion parts shown in the following instructions before operating this unit with a metal blade, otherwise serious injury may result. NOTE Model C344 includes U-Handle, and necessary blade conversion parts. Blades are not p...
Page 10 - Fuel Requirements; NOT; Mixture Oil; certified; Mixing Fuel; The unit should now be completely assembled and ready for use; Install Blade; counterclockwise to retain 10 mm nut.; IMPORTANT
10 WARNING! Alternative fuels, such as E15 (15% ethanol), E-85 (85% ethanol) or any fuels not meeting Shindaiwa requirements are NOT approved for use in Shindaiwa gasoline engines. Use of alternative fuels may cause performance problems, loss of power, overheating, fuel vapor lock, and unintended ma...
Page 11 - Handling Fuel; DANGER; Examples of 50:1 mixing quantities; Shindaiwa Red Armor; engine oil may be mixed at 50:1 ratio for application; Mixing Instructions; containers to reduce fuel spillage.; After use
11 Handling Fuel DANGER Fuel is VERY flammable. Use extreme care when mixing, storing or handling or serious personal injury may result. • Use an approved fuel container. • DO NOT smoke near fuel. • DO NOT allow flames or sparks near fuel. • Fuel tanks/cans may be under pressure. Always loosen fuel ...
Page 12 - Filling the fuel tank; Starting the Engine
12 NEVER ■ smoke or light fires near the engine. ALWAYS ■ stop the engine and allow it to cool before refueling. ALWAYS ■ Wipe all spilled fuel and move at least 3 meters (10 feet) from the fueling point and source before starting. NEVER ■ place flammable material close to the engine muffler. NEVER ...
Page 13 - Starting A Flooded Engine; Checking Unit Condition; Idle Speed Adjustment; Starting A F; Checking Unit Condition
13 Open After engine starts, move choke to OPEN position Set the choke lever to the CLOSED 4. position if engine is cold. While holding the outer tube firmly 5. with left hand. Use your other hand to slowly pull the recoil starter han- dle until resistance is felt, then pull quickly to start the eng...
Page 14 - Operation; Shoulder strap; specific applications and/or operational; Cutting grass with a trimmer head; Manual; Engine Operating Speeds; Use only flexible, nonmetallic line
14 Shoulder strap required for use with Brushcutters Operation IMPORTANT! Adjust the shoulder strap so the shoulder pad rests comfortably on the off-side shoulder and the cutting path of the cutting attachment is parallel to the ground. Make sure all hooks and adjustment devices are secure. WARNING!...
Page 15 - OT
15 Using a blade WARNING! Before working with a blade- ■ equipped unit, always inspect and clear the area of objects that could interfere with or damage the blade.Never use a blade near sidewalks, ■ fence posts, buildings or other objects that could cause injury or damage. Never use a blade for purp...
Page 16 - Prior to each work day, perform the; Daily maintenance; Maintenance; Muffler
16 Prior to each work day, perform the following: Remove all dirt and debris from the ■ engine, check the cooling fins and air cleaner for clogging, and clean as necessary. Carefully remove any accumulations ■ of dirt or debris from the muffler and fuel tank. Check cooling air intake area at base of...
Page 17 - (more frequently in dusty; Remove and clean or replace the
17 Maintenance (continued) Remove and inspect the pre-filter. 2. If the pre-filter is torn or otherwise damaged, replace it with a new one. Clean the pre-filter with soap and 3. water. Let dry before reinstalling. Inspect the air filter element. If the 4. element is damaged or distorted, replace it ...
Page 18 - Remove and replace the fuel filter; filter from inside the fuel tank. Inspect; Valve Adjustment
18 Maintenance (continued) Combustion chamber should be decarbonized, and the valve clearance should be adjusted. It is highly recommended ■ that this is done by a Shindaiwa-trained service technician. Replace the spark plug annually: Use only the type recommended in the ”Specifications” section or ...
Page 19 - Muffler and spark arrester maintenance; damage or missing muffler or spark; Carburetor Adjustment; High Altitude Operation; If the engine is adjusted for operation
19 Maintenance (continued) Engine Cover Screws Engine Cover Muffler Muffler Gasket Muffler Bolts Spark Arrester Screen Spark Arrester Cover Cover Screws Muffler and spark arrester maintenance With a 3 mm hex wrench remove the 1. engine cover screws and the engine cover. If the engine becomes sluggis...
Page 20 - with a few strokes of a file.; Multiple-tooth Circular Blade; Use a round file to maintain a radius of; Blade Sharpening; idle. Check Specifications page for; serviced in the field.; Loading Trimmer Line
20 WARNING! Sharpen only the cutting teeth of a blade. DO NOT alter the contour of the blade in any way. WARNING! Wear protective gloves when handling or performing main- tenance on the blade. Round File When the cutting edges of the blade become dull, they can be resharpened with a few strokes of a...
Page 21 - Long Term Storage; Clean external parts thoroughly.; Prime the primer bulb until no more fuel is passing through.; and maintenance cost.
21 Long Term Storage Remove the spark plug and pour about 1/4 ounce of 2-cycle mixing oil into the cylinder through the spark plug hole. ■ Slowly pull the recoil starter 2 or 3 times so oil will evenly coat the interior of the engine. Reinstall the spark plug. Before storing the unit, repair or repl...
Page 22 - Troubleshooting Guide; ENGINE DOES NOT START OR HARD TO START
22 Troubleshooting Guide Vaporlock. Valve adjustment. Engine hot/heat soaked. Low fuel quality. Valve clearance too tight. Valve clearance too loose. Let cool completely and restart. Refi ll with fresh, clean unleaded gasoline with a pump octane of 89 or higher mixed with an air cooled engine oil th...
Page 23 - ADDITIONAL PROBLEMS; LOW POWER OUTPUT; Cutting attachment
23 ADDITIONAL PROBLEMS Poor acceleration. Clogged air fi lter. Clogged fuel fi lter. Lean fuel/air mixture. Idle speed set too low. Ignition switch turned off. Fuel tank empty. Water in the fuel. Clogged fuel fi lter. Shorted spark plug or loose terminal. Ignition failure. Piston seizure. Ground (st...
Page 26 - PURCHASED REPAIR PARTS AND ACCESSORIES; ATTENTION ENGINE POWERED PRODUCT OWNERS; DISCLAIMER OF IMPLIED WARRANTIES
26 PURCHASED REPAIR PARTS AND ACCESSORIES • 90-day all applications ATTENTION ENGINE POWERED PRODUCT OWNERS This Shindaiwa engine powered product is a quality-engineered unit which has been manufactured to exact tolerances to provide superior performance. To help ensure the performance of the unit, ...
Page 27 - Piezas especifi cas de garantía relacionadas con las emisiones; DÉCLARATION DE GARANTIE LIMI-; . Les problèmes de moteur dus à une lubrifi cation insuf-; DÉCLARATION DE GARANTIE DU SYSTÈME ANTIPOLLUTION
27 Environmental Protection Agency (EPA) Your emission control system may include parts such as: carburetor/fuel injected system, ignition system, catalytic converter, fuel tank, fuel lines, fuel caps, valves, canisters, fi lters vapor hoses, clamps connectors, and other associ- ated components. For...
Page 28 - NOTES
Page 32 - Yamabiko Corporation; Copyright© 2010 By Echo, Incorporated; Servicing Information; Shindaiwa Dealer. When you do need to buy parts; always; have the Model Number, Type and Serial Number of the; Service; vides a direct link if we find it necessary to contact you.; Additional or Replacement Manuals; Replacement Operator and Parts Catalogs; are available from your Shindaiwa dealer or at WWW.SHINDAIWA.
Yamabiko Corporation 7-2 Suehirocho 1-Chome, Ohme, Tokyo, 198-8760, Japan Phone: 81-428-32-6118 Fax: 81-428-32-6145 Copyright© 2010 By Echo, Incorporated All Rights Reserved. ECHO Incorporated. 400 Oakwood Road Lake Zurich, IL 60047-1564 U.S.A. Telephone: 1-877-986-7783 Fax: 1-847-540-8416 www.shind...