Page 2 - Safety and operation labels; Introduction
2 Safety and operation labels Read and follow this manual, make sure anyone using the trimmer does likewise. Failure to do so could result in serious personal injury or machine failure. Keep this manual for future reference. Always wear a hard hat to reduce the risk of head injuries during operation...
Page 3 - Stay Alert; Safety; Work Safely; blades whenever possible, and always wear gloves to protect hands
3 A hedge trimmer has the potential to cause serious personal injury to the operator or bystanders if misused, abused or mishandled. To reduce the risk of injury, you must maintain control at all times, and observe all safety pre- cautions during operation. Never permit a person without training or ...
Page 4 - is directed away from your face and body.; WARNING; from all openings.; ALWAYS; before removing obstructions, clearing debris, or servicing unit.; DO NOT; WARNING; laws or regulations relating to fire prevention requirements.
4 WARNING Engine exhaust IS HOT, and contains Carbon Monoxide (CO), a poison gas. Breathing CO can cause uncon- sciousness, serious injury, or death. Exhaust can cause serious burns. ALWAYS position unit so that exhaust is directed away from your face and body. WARNING Moving parts can amputate fing...
Page 5 - Operating the Hedge Trimmer; CAUTION
5 Safety (continued) Operating the Hedge Trimmer CAUTION Always maintain this unit accord- ing to this owner’s manual and fol- low the recommended scheduled maintenance. Never modify or disable any of the unit’s safety devices. Always use genuine Shindaiwa parts and accessories when repairing or mai...
Page 6 - Muffler Type; IMPORTANT; This spark ignition system complies with the Canadian standard
6 Product Description Specifications Specifications are subject to change without notice. Model DH231-24 DH231-30 Engine Type 2-cycle, horizontal cylinder, air cooled Engine Bore x Stroke 32mm x 28mm (1.26 X 1.10 in) Engine Displacement 22.5cc (1.37 in 3 ) Unit Weight, Less Fuel 5.8 kg (12.8 lb) 6 ....
Page 7 - Fuel Requirements; NOT; Mixing Fuel; ties; Shindaiwa One; -Stroke oil or Red Armor; engine oil may be mixed at 50:1
7 An Emission Control Label is located on the unit. (This is an EXAMPLE ONLY; information on label varies by en- gine FAMILY). PRODUCT EMISSION DURABILITY (EMISSION COMPLIANCE PERIOD) The 300 hour emission compliance period is the time span selected by the manufacturer certifying the engine emission...
Page 8 - Handling Fuel; DANGER; Filling the Fuel Tank
8 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 c...
Page 9 - Starting the Engine; Before starting the engine; before using the unit.
9 Slide the ignition switch to the “ON” 1. position. Set the throttle trigger to the “fast 2. idle”: Depress and hold the throttle lock, a. then squeeze the throttle trigger.Depress and hold the fast idle b. button.Release the throttle trigger and c. throttle lock, then release fast idle button. Pre...
Page 10 - backward; If the engine does not start; Maintenance; General maintenance
10 Cool the engine by allowing it to 1. idle for 2–3 minutes.Move the ignition switch to the “O” 2. or STOP position. Stopping the engine Squeezing the throttle increases ■ engine speed, causing the clutch to engage and operate the cutters. Releasing the throttle decreases ■ engine speed, causing th...
Page 11 - Prior to each work day, perform the; working around the cutter assembly; Prior to each work day, per form the; Daily maintenance; Spark Plug
11 Inspect cooling system Keep cooling fins clean Keep cooling air intake passages clean (Fuel tank removed for clarity) Prior to each work day, perform the following: Daily maintenance WARNING! To reduce fire hazard, keep the engine and muffler free of debris, leaves, or excessive grease Muffler Th...
Page 12 - Gearcase lubrication; 0 - hour maintenance
12 spark plug gap--all models Remove the spark plug and adjust the gap at the electrode 0.6 mm (0.024 inch ) Maintenance (continued) Clean air filter Air filter cover Air filter element Gearcase lubrication BOTTOM VIEW Grease fitting Gearcase cover Hex screws BOTTOM VIEW DO NOT REMOVE CONRODS Every ...
Page 13 - 0 hour maintenance; Every 50 hours of operation; Throttle free play adjustment
13 DH231_08A Throttle trigger free play Fuel filter Hooked wire 50 hour maintenance CAUTION! Make sure you do not pierce the fuel line with the end of the hooked wire. The line is delicate and can be dam- aged easily. Every 50 hours of operation (more often in dusty or dirty conditions): Remove and ...
Page 14 - 35 - hour maintenance; Cutter blade adjustment
14 Muffler gasket Muffler Spark arrester screen Top tail plate Lower tail plate Muffler gasket bolt Muffler cover Muffler cover bolts Gasket plate Plate Muffler cover screws Muffler plate screws Gaskets 135 - hour maintenance WARNING! Never operate the unit with a damage or missing muffler or spark ...
Page 15 - High Altitude Operation; above; Carburetor Adjustment; NOTE; Idle Speed Adjustment; NOTE
15 High Altitude Operation This engine has been factory adjusted to maintain satisfactory starting, emission, and durability performance up to 1,100 feet above sea level (ASL) (96.0 kPa). To maintain proper engine operation and emission compliance above 1,100 feet ASL the carburetor may need to be a...
Page 16 - Troubleshooting Guide; ENGINE DOES NOT START OR HARD TO START
16 Troubleshooting Guide Vaporlock. Engine hot/heat soaked. Low fuel quality. 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 that meets or exceeds ISO-L-EGD and/or JASO FD classifi ed oils at 50:1 ga...
Page 17 - ADDITIONAL PROBLEMS; Engine stops abruptly.; Is the engine overheating?; Specifi cations; LOW POWER OUTPUT; Cutting attachment
17 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 22 - NOTES
Page 24 - Yamabiko Corporation; 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.; Copyright© 2010 By Echo, Incorporated
ECHO Incorporated. 400 Oakwood Road Lake Zurich, IL 60047-1564 U.S.A. Telephone: 1-877-986-7783 Fax: 1-847-540-8416 www.shindaiwa.com Yamabiko Corporation 7-2 Suehirocho 1-Chome, Ohme, Tokyo, 198-8760, Japan Phone: 81-428-32-6118 Fax: 81-428-32-6145 Servicing Information Parts/Serial Number Genuine ...