Page 2 - special significance.; Operational and warning labels
2 introduction The Shindaiwa H4 series of hand-held power equipmentis designed and built to deliver superior per formance and reliability without compromise to quality, comfor t, safety or durability. Shindaiwa engines represent the leading edge of high-per formance engine technology, delivering exc...
Page 3 - Safety; work Safely; Attachments for this unit operate at; Stay alert; You must be physically and mentally fit
3 Read and follow this manual, make sure anyone using the unit 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 of this machine. In addition, ...
Page 4 - Safety Labels; Product description; Do not make unauthorized
4 iMPORTanT! Safety and Operation Information Labels: Make sure all information labels are undamaged and readable. Immediately replace dam- aged or missing information labels. New labels are available from your local authorized Shindaiwa dealer. Safety Labels Product description Outer Tube Grip Hand...
Page 5 - Specifications; Idle Speed; An Emission Control Label; followed as listed in the Maintenance Section of this manual.
5 Specifications Engine Model M254 Dr y weight (Including attachments) 4.5 kg / 9.9 lb. Engine type 4-cycle, ver tical cylinder, air cooled Bore x stroke 34 x 27 mm / 1.3 x 1.1 in. Displacement 24.5 cc / 1.5 cu. in. Fuel/oil ratio 50:1 with *ISO-L-EGD or JASO FD class engine oil * Carburetor type Di...
Page 6 - assembly and adjustments; Prior to assembly; “front” and “rear” refer to directions as; Throttle lever free play
6 4 - 6 mm Outer tube Hex screws Handle Moutning plate Throttle assembly Adjusting the handle 4 - 6 mm Loosen the fasteners on the air filter cover Adjusting throttle lever free play assembly and adjustments Prior to assembly This Shindaiwa Multipurpose Tool Car- rier comes fully assembled. You only...
Page 7 - assembling tube sections; Keep the open ends of the tubes; disassembling the tube sections
7 assembling tube sections Place powerhead/lower tube assem- 1. bly on a clean, flat sur face so that both assemblies fit end to end. The powerhead/lower tube assembly should be facing positioned with the locking hole in the tube end facing up. assembly and adjustments (continued) Slip of f the prot...
Page 8 - Fuel Requirements; NOT; Mixture Oil; Mixing Fuel; Examples of 50:1 mixing quantities; Shindaiwa Red Armor; engine oil may be mixed at 50:1 ratio for application; Handling Fuel; DANGER
8 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 mac...
Page 9 - containers to reduce fuel spillage.; After use; • DO NOT store a unit with fuel in its tank. Leaks can; Place the blower on a flat, level; Filling the Fuel Tank; Slowly remove the fuel cap only
9 Storage - Fuel storage laws vary by locality. Contact your local government for the laws affecting your area. As a precaution, store fuel in an approved, airtight con- tainer. Store in a well-ventilated, unoccupied building, away from sparks and flames. iMPORTanT! Stored fuel may separate. ALWAYS ...
Page 10 - Starting the Engine; pressing the primer bulb will not flood
10 Slide ignition to ON ON Throttle Lock Button Make sure the attachment is clear of obstructions! ...and pull recoil starter handle upward Hold the unit firmly... Open After engine starts, move choke to OPEN position Close choke Set the choke lever to the CLOSED position Starting the Engine iMPORTa...
Page 11 - Starting A Flooded Engine; Stopping the Engine; Checking Unit Condition
11 Starting A Flooded Engine Slide ignition to OFF OFF Idle the engine briefly before stopping (about 2 minutes), then slide the ignition switch to the “O” (Engine OFF) position. Stopping the Engine Operation NEVER operate the unit with the cutting attachment shield or other protective devices remov...
Page 12 - Shoulder strap; Maintenance; Spark Plug
12 Adjust the shoulder strap so the shoulder pad rests comfor tably on the of f-side shoulder and the cutting path of the cutting attachment is parallel to the ground. Make sure all hooks and adjustment devices are secure. Shoulder strap nOTE: Although a shoulder strap accessory is not required for ...
Page 13 - Prior to each work day, per form; daily maintenance; 0 hour maintenance; (more frequently in dusty; Direct the air stream at the inside face
13 Prior to each work day, per form 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.Clean any debris or dir t from the ■ cutting attachment.Check the entire unit for leaking ■ fuel or grease.Check for loose or...
Page 14 - Remove and replace the fuel filter; 0 hour maintenance; Remove and clean or replace the
14 spark plug gap--all models Remove the spark plug and adjust the gap at the electrode 10/15 hour maintenance 0.6 mm (0.024 inch) Remove and replace the fuel filter element. Use a hooked wire to extract the fuel ■ filter from inside the fuel tank. Inspect the fuel filter element. If it shows signs ...
Page 15 - Valve adjustment
15 Valve adjustment 135-hour Maintenance iMPORTanT! If a new gasket is not available and/ or the old gasket is not damaged, the old gasket may be reused. Never use cracked or damaged gaskets! Turn engine over several times, and 6. return to TDC-compression. Recheck with proper feeler gauge to make s...
Page 16 - Muffler Maintenance; a damage or missing muffler or spark; high altitude Operation; Carburetor adjustment
16 Engine Cover Screws Engine Cover Muffler Muffler Gasket Muffler Bolts Spark Arrester Screen Spark Arrester Cover Cover Screws With a 3 mm hex wrench remove 1. the 4 engine cover screws and the engine cover. If the engine becomes sluggish and low on power, check and clean the spark arrester screen...
Page 17 - idle Speed adjustment; nOTE; serviced in the field.
17 Whenever the unit will not be used for 30 days or longer, use the following procedures to prepare it for storage: Clean external par ts thoroughly. ■ Drain all the fuel from the carbure- ■ tor and the fuel tank. Long Term Storage Remove remaining fuel from the ■ fuel lines and carburetor with the...
Page 18 - Troubleshooting Guide; ENGINE DOES NOT START OR HARD TO START
18 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. Refill with fresh, clean unleaded gasoline with a pump octane of 89 or higher mixed with an air cooled engine oil tha...
Page 19 - What To Check; LOW POWER OUTPUT
19 Is the engine overheating? Engine is rough at all speeds. May also have black smoke and/or unburned fuel at the exhaust. Operator is over working the unit. Carburetor mixture is too lean. Improper fuel ratio. Fan, fan cover, cylinder fins dirty or damaged. Carbon deposits on the piston or in the ...
Page 20 - ADDITIONAL PROBLEMS; Symptom; Engine stops abruptly.; Top of engine is getting
20 ADDITIONAL PROBLEMS Poor acceleration. Clogged air filter. Clogged fuel filter. Lean fuel/air mixture. Idle speed set too low. Ignition switch turned of f. Fuel tank empty. Water in the fuel. Clogged fuel filter. Shor ted spark plug or loose terminal. Ignition failure. Piston seizure. Ground (sto...
Page 24 - Yamabiko Corporation; Servicing Information; Service; vides a direct link if we find it necessary to contact you.; Additional or Replacement Manuals; COM for updated information.; 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 ...