background image

 

 

1

 

Thank you for purchasing this general purpose engine. 

This Operation Manual tells you how to operate and service your gasoline engine. Please read 

it before using the engine to ensure proper handling and operating. Follow the instructions 

carefully to keep your engine in the best running condition. 

This Operation Manual deals with the main operating points of the engine. If you have any 

questions concerning this manual or any suggestions, please contact your local Dealer or 

GOSS Power Products Ltd. 

 

Warning 

This general purpose gasoline engine is designed to provide safe and dependable service 

provided that it is operated according to the Operation Manual. 

Read and understand the Operation Manual before operating the engine as failure to do so 

could result in personal injury or equipment damage   

 

 

1. SAFETY TIPS 

 

WARNING: 

These items are very important for safety. Please be sure to obey them. 

• Do not allow people who do not understand this OPERATION MANUAL to operate the engine. 

• Do not run the engine indoors or where ventilation is poor. 

• Keep explosives and flammables at least 1m (3ft) away from the engine. 

• Do not smoke when adding fuel. 

• Do not run the engine when gasoline has overflowed, clean the overflowed fuel and fuel spillage. 

• Do not remove the fuel tank cap or add fuel while the engine is running or hot. (Add fuel after the engine has 

cooled by waiting 2 or more minutes after engine has stopped.) 

• Do not remove or run the engine without-muffler or air cleaner. 

• Do not touch the muffler, muffler cover or engine body while the engine is running or hot. 

 
 
 
 
 

Summary of Contents for AP156F

Page 1: ...Operating Manual ...

Page 2: ...ECTRIC DIAGRAM 10 10 EXPLODED PARTS DIAGRAM 11 11 PARTS LIST 12 6 INSPECTION AND MAINTENANCE 7 4 PRE OPERATION INSPECTION 4 5 STARTING AND STOPPING THE ENGINE 5 1 SAFETY TIPS 1 2 SPECIFICATIONS AND PARTS DESCRIPTION 2 3 FUELAND ENGINE OIL 3 CONTENTS ...

Page 3: ...tand the Operation Manual before operating the engine as failure to do so could result in personal injury or equipment damage 1 SAFETY TIPS WARNING These items are very important for safety Please be sure to obey them Do not allow people who do not understand this OPERATION MANUAL to operate the engine Do not run the engine indoors or where ventilation is poor Keep explosives and flammables at lea...

Page 4: ...6 68x54 3 2 11 0 2500 3 6 0 6 AP170F 208 70x54 3 5 12 4 2500 3 6 3 6 0 6 AP170FB 223 70x56 4 13 5 2500 3 6 0 6 0 6 AP188F 389 88x64 7 5 23 0 2500 6 5 1 1 AP190F 420 90x66 8 24 5 2500 6 5 6 5 1 1 AP192F 439 92x66 8 4 26 0 2500 6 5 1 1 AP192FB 459 92x69 9 5 29 0 2500 6 5 6 5 1 1 1 1 PTO Direction Type Single cylinder 25 inclined 4 stroke OHV air cooling gasoline 8 5 1 3000 Recil Electric TCI Transis...

Page 5: ... as described in the table below Note Recommended engine oil SAE 10W 30 Do not add commercial additives to the oil Do not mix gasoline into the oil WARNING Engine is shipped without oil Before starting be sure to conduct an oil inspection Oil gauge by following the instructions Place the engine on a level surface when adding oil or inspecting Check the oil level without the oil gauge screwed in Fi...

Page 6: ...he air cleaner element is dirty clean it 4 3 Engine Oil Inspection Is the engine filled with the recommended engine oil and is the oil dirty If there is not enough oil if it is dirty or it has been used longer than the specified time add or change the engine oil 4 4 Inspect the Tightness of all Fasteners or Screws Are all the screws tight Be sure to check the screw used to fasten the muffler Do th...

Page 7: ...ion Fuel valve Completely CLOSE the choke lever Move the throttle lever toward Choke lever OFF Throttle lever Start the engine as follow a Recoil start Hold the starter handle and pull it slightly Until the compression position is reached And then pull it swiftly from this position Slowly return the starter handle to its original position after the engine starts Starter handle b Electric starter T...

Page 8: ...m up the engine for about 3minutes 5 2 Stopping the Engine Move the throttle lever to CLOSE position Fuel valve Throttle lever Turn the engine switch to OFF position Close the fuel valve NOTE In emergency turn the engine switch to OFF to stop the engine WARNING Never stop the engine at high speed or under heavy load otherwise damage can result 6 6 ...

Page 9: ...ck for fuel and oil leaks Check and clean the air cleaner Check and clean spark plug Check and clean fuel strainer Remove carbon in combustion chamber Check and adjust valve clearance Replace the fuel lines 2 years or when necessary Noted Item marked with a require advanced skill and tools so they should be done by a qualified service person 6 2 Parts Maintenance Cleaning the air cleaner Time Item...

Page 10: ... or wire brush Adjust the electrode gap Cleaning the fuel filter Remove the filter from fuel tank Clean it in solvent Wipe off Replace the filter into fuel tank Cleaning the deposit cup of the fuel valve Remove the cup from fuel valve Clean the cup Replace the cup use a new O ring 8 8 ...

Page 11: ...nce every mouth 8 TROUBLE SHOOTING Starting failure Is ignition normal Is engine switch turned to ON position Remove the spark plug clean or replace it Is compression sufficient Confirm by pulling the starter handle slowly When compression is insufficient check the spark plug If it is loose tighten Is fuel flowing into the combustion chamber Is fuel valve open Close the choke lever and pull the st...

Page 12: ...9 ELECTRIC DIAGRAM 10 10 ...

Page 13: ...10 EXPLODED PARTS DIAGRAM NOS 127 128 129 130 131 132 133 e for AP190FD only electric start ar 11 11 ...

Page 14: ...ommet 1 16 Seal 2 61 Lock nut 2 106 Clip 1 17 Crankcase cover 1 62 Sleeve 2 107 Plastic clip ll 1 18 Washer driven gear 1 63 Valve rocker 2 108 Bolt M6 x 12 5 19 Driven gear regulator assy 1 64 Adjusting bolt valve gap 2 109 Recoil starter assy 1 20 Gasket crankcase 1 65 Pusher guide 1 110 Nut M6 2 21 Set pin 2 66 Pusher 2 111 Back spring 1 22 Dipstick 1 67 Tappet 2 112 Lock bolt 1 23 Dipstick wit...

Page 15: ...Stud M8 48 5 2 85 Bolt M8 x 45 2 130 Bolt M6 x 35 2 41 Air duck 1 86 Connector 1 131 Starting motor assy 1 42 Bolt M6 x 12 1 87 Packing ring 1 132 Bolt M8 x 35 2 43 Piston ring l 1 88 Filter cup 1 133 Key pad 1 44 Piston ring ll 1 89 Fuel tank 1 45 Side rail 2 90 Packing ring 1 11 PARTS LIST NOTE PART NOS 127 133 ARE FOR AP190FDONLY ELECTRIC START NO NAME PCS NO NAME PCS NO NAME PCS AP156F AP168FB...

Page 16: ...32082 01578 00 ...

Reviews: