CONTENTS Preface Safety Information Engine Specifications 1 Safety Label Location 2 Assembling 2 Engine Usage 3 Start the Engine 6 Electric Wiring Diagram 12 Run the Engine 13 Stop the Engine 14 PeriodicaI Check and Maintenance 15 Long-term Storage 18 Detail Diagram 19 Appendix 1.Overall and lnstallation Dimensions 36 Appendix 2.Performance Curve & Sizes Of Pto Flanges 37 Appendix 3.Sizes of PTO Flanges & Size of Output Shaft 38 Appendix 4.
! To correctly operate your engine are for your own safety,be sure to read this manual carefuIly,otherwise the accident will result. If you have problem about your engine,please contact with sales company or the authorized agent. PREFACE: These manual guides you how to operate air-cooled diesel engine correctly,as well as the warnings,Be sure to read this manual before operating,to keep your engine at the best working condition.
S A F E T Y I N F O R M AT I O N (To operate the engine safely,please follow these items strictly.) ! DANGER To prevent the fire,please pay attention to the follwing items: If the gasoline is filled into the engine,the fire will result,so identify the fuel type and model before refilling. Be sure to stop the engine before refilling. Wipe off the overflowed fuel oil. Keep the engine far away from other flammable oils and goods.
Main Items AHD170 Type AHD178 AHD186 Single-cylinder,4-stroke,vertical,air-cooled, direct-injection diesel engine Combustion System Direct injection combustion Bore x Stroke(mm) 70 x 57 78 x 64 86 x 72 0.219 0.305 0.418 Max.kW(PS) 4.2 6.0 9.0 Continue.kW(PS) 3.8 5.5 8.5 Piston Displacement(L) Rated Power Rated Speed(rpm) Output Shaft Rotation direction Fuel Oil Unclockwise viewed from the output shaft Spray Pressure kg/cm2(MPa) 200(19.
2.SAFETY LABEL LOCATION This label guides you how to operate the engine safely.If the label comes off or becomes hard to read,contact with your agent for replacement. AMICO 3.ASSEMBLING [OPERATING NOTICE] Too much shock during the running will damage the engine and the load,be sure to set the engine tightly. 1 Fix the engine base seat tightly to prevent the engine from offset and shock. 2 Be sure the PTO shaft centers are in line. ! CAUTION If the pulley is too tight,the accident will result.
4 Make sure that the bearing hole of the pulley,keyway size are in conformace with the PTO shaft.Othewise the accident will result.Correctly tight the PTO shaft bolt.Do reselect the appropriate diameter pulley,if the engine continually exhaust black smoke during the running. 5 Be sure the pulley tension is appropriate.If the belt is too tight,hard starting will result, further more,the belt will worn quickly and the PTO shaft will be bent,so the accident will result.
2 3 Diesel usage: If diesel is mixed with water and dirty,the abnormal running will result.Seal the diesel in clean drums and store the drums in a dry place away from the rain and dirty. If diesel has been stored for several hours,the water and dirty will deposit at the bottom of the drum.You can pump the upper portion of the diesel for usage. Refill the diesel ! DANGER It is very dangerous to fill the gasoline into the diesel engine.Do identify the fuel oil type and model before refilling.
2 Check and Refill the Engine Oil [OPERATING NOTICE] Check the engine oil level with the engine on a level surface and the engine stopped. Check the engine oil level before tightening the filler cap. A.Be sure to check the engine oil level before starting the engine. Check whether the engine oil level is between the upper level and the lower level. wipe off the overflowed engine oil. Screw on the oil filler cap after checking. B.The engine oil level can not beyond the upper level. C.
4-4 The Exhaust Direction muffler To prevent the exhaust from flowing into the air cleaner,assemble an exhaust syphon on the case of the muffler ! NOTE Prevent the water from accumulating on the exhaust syphon form flowing into the muffler. 5.START THE ENGINE fuel tank 5-1 Manual Starting: 1 Start the engine according to the following procedures: Open the fuel cock. fuel cock ("OPEN") 2 Turn the governor lever to "STARTING"position regulator handle 3 Hold the recoil starter handle A.
B.Press the decompression lever to "Non-compression"position.The lever will return back automatically after the engine started. decompression lever C.Hold the recoil starter handle with two hands and pull it hardly. starter handle recoil starter D.It is difficult to start the engine at cold weather. Remove the rubber plug on the cylinder head and fill about 2CC engine oil before starting.
START THE DIESEL ENGINE 1 Start! Open the fuel cock. 6 2 Put the engine speed lever in the "RUN" position If the engine doesn't start try again from Pull the rope hard and fast Pull it all the way out. Use two hands if necessary. 3 Hold the starting handle loosely 5 Pull the starting handle slowly...... Hold the starting handle firmly. ...... until you feel resistance 4 Push the decompression lever down and release Then return it slowly.
START THE DIESEL ENGINE For3, don't pull the rope too fast or hard. Always pull the rope slowly. For5,if you don't pull hard enough,the engine won't start For5,if you don't pull the rope all the way out ,the engine won't start Always pull the rope all the way out. Always pull the rope hard and fast.
5-2 Electric Starting 1 Starting Method: (Pre-starting check is same as that of manual starting.) A.Open the fuel cock. B.Turn the governor lever to "STARTING"position. fuel tank AMICO regulator handle fuel cock("OPEN") C.Turn the electric starting key clockwise to "STARTING"position. D.Release the electric starting key after the engine is started E.If the engine could not start after the starting motor ran ten seconds,start it again after 15 seconds.
ASSEMBLY: NO. Specification Quantity 1 Electric starting switch body 1 2 Electric starting switch panel 1 3 Long washer 2 4 Hexagonal bolt M6 x 70 2 1 2 3 PROCEDURES: 1 Remove the electric starting switch body from the standard panel, then reassemble it to the installation panel of the cylinder head case. 2 3 Screw off the two bolts from the cylinder head case. Clip the reassembled panel with the long washer, then tight it with hexagonal bolts.
ELECTRIC WIRING DIAGRAM red blue blue gray black blue white starting key of diesel engine yellow red generator red blue regulator yellow red black accumulator 12V starting motor 12
6.Run the Engine ! WARNING To prevent the exhaust toxication, be sure to run the engine at ventilated place. To prevent personal injury, avoid hands, personal body and cloths from involving into the output shaft, pulley and V pulley etc moving parts. Check the moving parts and the surrounding parts after stop the engine. Be sure that there is no tool or cloth inside the engine body. ! CAUTION The muffler is very hot during running or just after running, do not touch the muffler.
PLEASE PAY ATTENTION TO THE FOLLOWING ITEMS WHILE RUNNING: 1 2 3 Whether there is abnormal vibration and sound. Whether the exhaust is normal. Whether the engine continually exhausts white smoke or black smoke. Be sure to shut off the engine when the abnormal phenomenon arouses, and contact with agent. 7.STOP THE ENGINE [OPERATING NOTICE] If the engine is stopped in emergency, the engine temperature will rise quickly, thus the engine life will be shortened.
8.Periodical Check and Maintenance Periodical Check and maintenance are very important for maintaining the performance and life of the engine.The following is the maintenance intervals and items table.The item with "." require technician or special tools,please contact with agent.
Replace Engine Oil Drain out the engine oil while the engine is warm and refill the recommended engine oil.
1 Replace the air cleaner air cleaner cover wing nut A. Paper element: Replace the element every 500 hrs. ! CAUTION If the element is too dirty, the air flow will be blocked and starting will be hard, thus insufficient output will result, further more, it will cost both fuel oil and engine oil, the engine will exhaust black smoke. Running engine with worn element or without element is not allowed. B. Oil-soak Type Element Check the engine oil level before run the engine.
6 The adjustment of fuel nozzle and fuel injection pump and the replacement of the valve seats, parts require special technology, please contact with your agent. 7 Check the battery every month. 9.LONG-TERM STORAGE Prepare the following items before long-term storage: 1 Run the engine five minutes at low speed. 2 Drain out the engine oil while the engine is warm and refill the fresh engine oil. 3 Remove the filler screw plug on the cylinder head case and refill about 2cc engine oil.
10.
20
Ref No. CAUTION AIR-COOLED DIESEL Do not wash the air cleaner element with detergent Replacement cycle is every 500 hours Replace when output decreases or bad exhaust color is notired 6 7 5 WARNING Use light diesel fuel No.0 in summer, Part No. Description Qty.
(1)Cylinder Block Assembly 22
Ref No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 28-1 29 30 31 32 33 34 35 36 37 Part No. 186F-01017 186F-01100 GB9877.1-88 186F-01001 186F-11200 GB3452.1-92 186F-01002 GB6173-86 186F-01012 186F-01001 186F-10017 GB6170-86 186F-10016 186F-10015 GB/T276-94 186F-01009 GB5783-86 GB290-89 186F-01003 186F-01005 186F-01004 186F-01013 186F-01007 GB5787-86 186F-01211 186F-01008 186F-01006 186F-01015 GB/T276-94 186F-01014 GB 119-86 186F-01016 GB9877.
(2)Cylinder Head Assembly Ref No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Part No.
(3)Cyl. Head Bonnet Assembly Ref No. 1 2 3 4 5 6 7 8 9 10 11 12 13 186FG 1 2 3 4 5 6 7 8 9 10 Part No. GB119-86 186F-03001 186F-03006 186F-03007 GB3452.1-92 186F-03003 186F-03014 186F-03015 186F-03004 GB3452.1-92 186F-03100 GB5787-86 186F-03016 Description Pin B3 x 16 Cyl. Head Bonnet Ball Breather Seat O-Ringl2 x 1.9 Bonnet Gasket Pin Plunger8 Decompression Spring O-Ringl2 x 1.9 Decompression Shaft Assem.
(4)Piston & Connecting Rod Assembly Ref No. 1 2 3 4 5 6 7 8 9 10 Part No. 186F-04100 186F-04001 186F-04002 186F-04003 186F-04004 GB893.1-86 186F- 04008 186F-04007 186F-04005 186F-04006 Description Qty. Oil Ring Set 1 First Gas Ring 1 Second Gas Ring 1 Piston 1 Piston Pin 1 Washer 23 2 Rod Bolt 2 Connecting Rod Body 1 Crank Pin Bearing 2 Crank Pin Box 1 (5)Fuel Nozzle Assembly Ref No. Part No. 11.435.127.003 11.430.100.240 1 2 11.430.613.001 11.433.120.000 3 4 11.430.136.000 11.433.261.
(6)Crank Shaft & Flywheel Assembly Ref No. 1 2 3 4 5 6 7 8 9 10 11 12 12-1 13 14 15 16 17 Part No.
(7)Air Cleaner Assembly Ref No. 1 2 3 4 5 6 7 8 9 10 Part No. 186F-07300 186F-07301 GB6177-86 186F-07100 186F-07200 186F-07203 GB62-88 186F-07401 186F-07001 GB97.1-85 Description Air Cleaner Bottom Case Assem. Bolt Wing Nut M6 Air Cleaner Element Assem. Air Cleaner Cover Assem. Shockproof Sealing Assem. Nut M8 Intake Pipe Air Cleaner Gasket Washer (8)Camshaft Assembly Ref No. 1 2 3 4 5 Part No. 186F-0610O 186F- 06003 186F- 06002 GB 1096-79 186F- 06001 Description Valve Rod Assem.
(9)Silencer Assembly Ref No. 1 2 3 4 5 6 7 8 186FG 1 2 3 Part No. 186F- 08100 GB5787-86 GB97.1-85 GB6170-86 GB859-87 GB97.1-85 186F- 08200 GB5787-86 Description Case Welded Assem. Bolt M6 x 8 Gasket 6 Nut M8 Washer8 Gasket 8 -Silencer Welded Assem. Bolt M6 ~ 12 Qty. 1 6 8 2 2 2 1 2 186FG- 08000 GB5783-86 GB97.1-85 Silencer Assembly Bolt M8 x 15 Washer 8 1 1 1 (10)Lube Oil System Ref No. 1 1-1 2 3 4 5 6 7 8 9 10 29 Part No. GB5787-86 GB5787-86 186F- 09001 GB3452.
(11)Fuel Tank Fuel Pipe Assembly 30
Ref No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 186FG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Part No.
(12)Fuel Injection Pump Assembly Ref No. 1 2 3 4 5 6 7 8 9 10 Part No. 11.413.372.001 11.414. 628.001 11.410.100.005 11.418.502.108 11.418.600.203 11.413.373.001 11.400 .210.004 11.415.101.001 11.418.205. 501 11.410.050.001 Description Delivery Holder Delivery Spring Delivery Seal Gasket Delivery Valve Core Delivery Seat Joint O-Ring F.I. Pump Body Plunger Shim Set 11 12 13 14 15 16 17 18 19 GB879-86 11. 415 .700.004 11.410.326.003 11.410.224.001 GB879-86 11.410.506.001 11.414.633.001 11.410.330.
(13)Governor & Control System 33
Rcf No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 186FG 1 2 3 4 5 6 7 8 9 10 11 12 13 Part No.
(14)Reeoil Starter Assembly Ref No. 1 2 3 4 5 6 6-1 7 8 9 10 11 12 Part No. GB6170-86 GB93-87 186F- 14002 186F- 14004 186F- 14011 186F- 14008 186F- 14001-01 186F- 14001 186F - 14006 186F- 14007 186F- 14005 186F- 14100 GB5787-86 Description Nut M8 Washer 8 Friction Plate Starter Ratchet Gland Return Spring Starter Katchet Starter Ratchet Axle Reel Spiral Spring Starter Handle Starter Rope Case Assem. Bolt M6 x 12 Qty. 1 1 1 1 1 2 2 1 1 1 1 1 4 (15)Cooling Device Assembly Ref No.
APPENDIX 1.
AHD186 AHD178 AHD170 APPENDIX 2.
AHD186 AHD178 AHD170 APPENDIX 3.
APPENDIX 3.
3-2 40
3-3 3-4 3-5 41
3-6 3-7 42
LIMITED WARRANTY AMICO will repair or replace, free of charge, any part or parts of the generator that are defective in material or workmanship or both. Transportation charges on parts submitted for repair or replacement under this Warranty must be borne by purchaser. This warranty is effective for the time period and subject to the conditions provided for in this policy.
About Your Product Warranty AMICO welcomes warranty repair and apologizes to you for being inconvenienced. Any Authorized Service Dealer may perform warranty repairs. Most warranty repairs are handled routinely, but sometimes warranty service may be inappropriate. For example, warranty would not apply if an engine is damaged because of misuse, lack of routine maintenance, shipping, handling, warehousing and improper installation.
8.Engine or equipment parts broken by excessive vibration caused by a loose cutter blades unbalanced blades or loose or unbalanced impellers, improper attachment of equipment to engine crankshaft, over-speeding or other abuse in operation. 9.A bent or broken crankshaft, caused by striking a solid object with the cutter blade of a rotary lawn mower, or excessive v-belt tightness. 10.Routine tune-up or adjustment of the engine. 11.Engine or engine component failure, i.e.
PRODUCT REGISTRATION CARD For more efficient customer service, please fill out the information below and mail to our produce Warranty and Registration Division: Amico International Corp. 4825 Gregg Road, Pico Rivera, CA 90660, U.S.A Tel: 562-908-0088 Fax: 562-908-1899 Website: www.amicousa.com Model No. Purchase Date. Engine Serial No.
List for comments from users Date of Manufacture Model Number Name of user Occupation Address of user Place of purchase Packaging conditions Operating conditions Parts Conditions Malfunction problem Opinions or suggestions Note: Please mail the above card to: Amico International Corp. 4825 Gregg Road, Pico Rivera, CA 90660, U.S.A Tel: 562-908-0088 Fax: 562-908-1899 Website: www.amicousa.
