Shindaiwa AHS254 manual

AHS254 ARTICULA TED HEDGE TRIMMER SHIND AIWA OWNER’S/OPERA T OR'S MANU AL Always wear eye and ear protection when operat - ing this machine! T o minimize the risk of injury to yourself and others, read this manual and familiarize yourself with its contents . WARNING! X7502872100 04/10[...]

2 WARNING! The engine exhaust from this product contains chemicals known to the State of California to cause cancer , birth defects or other reproductive harm. Introduction The Shindaiwa H4 series of hand-held power equipment is designed and built to deliver superior per for mance and reli- ability without compromise to quality , comfor t, safety o[...]

3 Keep bystanders at least 50 feet (15 meters) away from the operating trimmer to reduce the risk of being cut by the cutting blades or struck by falling objects or thrown debris. Be aware of the danger of falling debris. The blades / cutting attach- ments are SHARP! Handle with care. D ANGER! THE ARTICULA TED HEDGE TRIMMER IS NOT INSULA TED AGAINS[...]

4 CA UTION! Always maintain the articu- ■ lated hedge trimmer according to this owner ’s manual and fol- low the recommended scheduled maintenance. Never modify or disable any of the ■ hedge trimmer ’s safety devices. Doing so may cause damage and lead to personal injury Always use genuine Shindaiwa ■ parts and accessories when repair- in[...]

5 Operator Safety Wear sturdy footwear with nonslip soles to provide good footing. Steel-toed safety boots are recommended. Never operate machine bare-footed. Keep bystanders at least 15 meters away from the operating trimmer to reduce the risk of being struck by falling objects or thrown debris. Always operate with both hands rmly gripping the [...]

6 Specications Specifications are subject to change without notice. Model AHS254 Engine T ype 4-cycle, vertical cylinder , air cooled Engine Bore x Stroke 34 x 27 mm/1.3 x 1.1 in. Engine Displacement 24.5cc/1.5 cu. in. Unit Weight, Less Fuel 6.2 kg/13.6 lbs. Unit Dimensions (LxWxH) 1670 x 197 x 250 mm / 65.8 x 7.8 x 9.9 in. Fuel T ank Capacity [...]

7 Assembly Prior T o Assembly IMPORT ANT! The ter ms “left”, “left-hand”, and “LH”; “right”, “right-hand”, and “RH”; “front” and “rear” r efer to directions as viewed by the operator during nor mal operation. Outer T ube Socket-head Capscrews Handle Mounting Bracket Throttle Assembly Position the handle on the outer [...]

8 Position the hedge trimmer on a flat, 1. level sur face. W ith your right hand, grasp the outer 2. tube near the handle. W ith your left hand, grip the adjustment lever on the cutter assembly . W ith the index finger of your left 3. hand, press the latch lock. W ith your left thumb, press the latch release. While holding the latch release 4. do[...]

9 The throttle lever free play should be approximately 4 - 6 mm. Make sure that the throttle lever oper- ates smoothly without binding. If it becomes necessar y to adjust the lever free play , follow the procedur es and illustrations that follow . Loosen the air cleaner cover 1. knob(s) and remove the air cleaner cover . T ur n the cable adjuster i[...]

10 Place the unit on a flat, level sur face. 1. Clear any dir t or other debris from 2. around the fuel filler cap. Remove the fuel cap, and fill the tank 3. with clean, fresh fuel. Reinstall the fuel filler cap and 4. tighten fir mly . W ipe away any spilled fuel before 5. star ting engine. CA UTION! Slowly remove the fuel cap only after stop[...]

11 Star ting the Engine IMPORT ANT! Engine ignition is controlled by a two position switch mounted on the throttle housing labeled, “I” for ON or STAR T and “O” for OFF or STOP . NOTE: The blade cover is used for transportation and storage. Remove blade cover before using the unit. WARNING! Never start the engine from the operating position[...]

12 After the engine star ts, allow the ■ engine to war m up at idle 2 or 3 min- utes before operating the unit. If the engine does not continue to ■ r un, repeat the appropriate crank- ing procedures for a cold or war m engine.When the engine star ts, clear excess fuel from the combustion chamber by accelerating the engine several times with th[...]

13 Slide ignition to OFF OFF NEVER operate the unit with protec - tive devices removed! Use only authorized Shindaiwa par ts and accessories with your Shindaiwa hedge trimmer . Do not make modifications to this unit without written approval from Shindaiwa. ALWAYS make sure the cutting attach- ment is properly installed and fir mly tightened befor[...]

14 Operation This machine is designed especially for trimming hedges. Never use this machine for any other purposes. Never tr y to cut stones, met- als, plastics or any other hard objects. Using this Ar ticulated Hedgetrim- mer for other purposes than trimming hedges may damage the machine or cause serious injur y . Before trimming: W ear suitable [...]

15 Prior to each work day , per for m the following: Remove all dir t and debris from the ■ engine, check the cooling fins and air cleaner for clogging, and clean as necessar y . Carefully remove any accumula- ■ tions of dir t or debris from the muf- fler and fuel tank. Check cooling air intake area at base of crankcase. Remove all debris. Di[...]

16 Lubricate cutter assembly and gearcase Gearcase grease tting A Remove and inspect spark plug spark plug gap--all models 0.6 mm Clean the spark plug and check the gap at the electrode. Components of air lter Filter element Prelter Loosen fasteners Remove the cover of the air lter Lubricate the cutter assembly ■ gearcase by pumping o[...]

17 Maintenance (continued) 50-hour maintenance Ever y 50 hours of operation ; more frequently in dusty conditions: Remove and clean the cylinder cover and clean dir t and debris from the cyl- inder cooling fins. Remove and replace the fuel filter element. Use a hooked wire to extract the fuel ■ filter from inside the fuel tank. Inspect the fue[...]

18 Maintenance (continued) Cutting per for mance of your machine depends a great deal on proper cutter blade adjustment. Properly adjusted blades will oscillate freely yet help pre - vent binding of cut material between blades. Adjust blades as follows: Loosen all blade locknuts at least 1. one full tur n. T ighten each blade shoulder bolt 2. fir [...]

19 Maintenance (continued) Mufer and spar k ar r ester maintenance If the engine becomes sluggish and low on power , check and clean the spark ar r ester screen. WARNING! Never operate the unit with a damaged or missing mufer or spark arrester! Operating with a miss - ing or damaged spark arrester is a re hazard and could also damage your [...]

20 Adjusting Engine Idle The engine must retur n to idle speed whenever the throttle lever is released. Idle speed is adjustable, and must be set low enough to per mit the engine clutch to disengage the cutting attachment. WARNING! The cutting attachment must NEVER move at engine idle! If the idle speed cannot be adjusted by the procedure described[...]

21 T r oubleshooting Guide V aporlock. V alve adjustment. Engine hot/heat soaked. Low fuel quality . V alve clearance too tight. V alve clearance too loose. Let cool completely and restar t. Refill 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 [...]

22 Is the engine overheating? Engine is rough at all speeds. May also have black smoke and/or unbur ned fuel at the exhaust. Operator is over working the unit. Carburetor mixture is too lean. Improper fuel ratio. Fan, fan cover , cylinder fins dir ty or damaged. Carbon deposits on the piston or in the muf fler . Clogged air cleaner element. Loose[...]

23 ADDITIONAL PROBLEMS Poor acceleration. Clogged air filter . Clogged fuel filter . Lean fuel/air mixture. Idle speed set too low . Ignition switch tur ned of f. Fuel tank empty . W ater in the fuel. Clogged fuel filter . Shor ted spark plug or loose terminal. Ignition failure. Piston seizure. Ground (stop) wire is disconnected, or switch is de[...]

24 SHINDAIW A LIMITED W ARRANTY ST A TEMENT FOR PRODUCT SOLD IN USA AND CANADA BEGINNING 01/01/2010 ECHO, INC'S RESPONSIBILITY ECHO Incorporated’s (ECHO, INC.) Limited W arranty , provides to the original purchaser that this Shindaiwa product is free from defects in material and workmanship. Under normal use and maintenance from date of purc[...]

25 PURCHASED REP AIR P ARTS AND ACCESSORIES • 90-day all applications A TTENTION 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. T o help ensure the performance of the unit, it is required to use engine oil which meets[...]

26 ECHO INCORPORA TED EMISSION CONTROL W ARRANTY ST A TEMENT FOR ECHO AND SHINDAIW A BRANDS The Environmental Protection Agency (EP A) and the California Air Resources Board (C.A.R.B.) and ECHO Incorporated (ECHO Inc.) are pleased to explain the emission control system warranty on your 2010 and later equipment/small off-road engine (SORE). New equi[...]

27 NO TES[...]

ECHO Incorporated. 400 Oakwood Road Lake Zurich, IL 60047-1564 U.S.A. T elephone: 1-877-986-7783 Fax: 1-847-540-8416 www .shindaiwa.com Y amabiko Corporation 7-2 Suehirocho 1-Chome, Ohme, T okyo, 198-8760, Japan Phone: 81-428-32-61 18 Fax: 81-428-32-6145 T1241 1001001/T1241 1999999 T12312001001/T12312999999 Ser vicing Infor ma tion Par ts/Serial Nu[...]