Saito FG-14B & FG-20 Owner'S Operating Instruction Manual Download

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Owner’s Operating Instruction Manual

Saito

™

4-Stroke Gasoline Engines

Warning:

Do not modify any parts of the engine

•

This engine is designed for use with radio control model aircraft

•

In case of modifications by the customer, Horizon Hobby Inc. shall not bear any

•

responsibility from any damage caused by such modification
Keep the ignition system well maintained

•

™

Distributed exclusively by

Horizon Hobby, Inc.

4105 Fieldstone Road

Champaign, IL 61822

www.horizonhobby.com

17326

Printed 12/09

Model FG-14B & FG-20

Model FG-30 & FG-36

Version 2009

Summary of Contents for FG-14B & FG-20

Page 1: ...l aircraft In case of modifications by the customer Horizon Hobby Inc shall not bear any responsibility from any damage caused by such modification Keep the ignition system well maintained 2010 Distri...

Page 2: ...19 Carburetor 19 Preparation Before Starting the Engine 20 Starting the Engine 21 Adjustment of the Carburetor 23 VERY IMPORTANT Failure to read and follow these instructions before you proceed to st...

Page 3: ...flat surface free of stones or other debris When mixing fuel or operating the engine do so in a well ventilated area Contents Included FG 14B Engine Muffler SAIG1474 Ignition SAIG14153 Muffler Manifo...

Page 4: ...le linkage to the engine using a ball link on the carburetor throttle arm Make sure the linkage is free to operate from low throttle to high throttle Also confirm that the low throttle setting on the...

Page 5: ...need for sending your engine in for service as the exhaust valve begins to stick and not seal properly The high quality Evolution oil we recommend using will still build up a slight amount of carbon...

Page 6: ...ed correctly and securely Make sure the fuel line is connected securely to the carburetor For break in use a fuel oil mix ratio of 20 1 FG 14B Mount a 14 x 6 plastic or wood propeller Be sure it has b...

Page 7: ...he crankshaft Understanding the Saito Gas Carb for the FG 14B and FG 20 To best understand the FG 14B and FG 20 carburetor you need to know what it is not It is not a Walbro carburetor It is not a glo...

Page 8: ...20 are different to please consult the appropriate section of the manual 1 With the engine running and the high speed needle valve set as above adjust your throttle setting to achieve the desired idle...

Page 9: ...s the area of the inlet area to provide adequate cooling Throttle Linkage Carefully attach the throttle linkage to the engine using a ball link on the carburetor throttle arm Make sure the linkage is...

Page 10: ...p of a gummy type residue on the exhaust valve in a 4 stroke gas engine and this potentially leads to the need for sending your engine in for service as the exhaust valve begins to stick and not seal...

Page 11: ...the engine as you normally would a 2 stroke engine When you are ready to start the engine switch the ignition on and set the throttle to a slightly high idle speed We highly recommend the use of an e...

Page 12: ...s correctly set it at full speed If the revolutions do not drop the engine has been adjusted successfully If the revolutions seem to drop open the high speed needle by about 5 to 10 minutes CAUTION Th...

Page 13: ...e engine fail to start after these items are verified refer to the Troubleshooting Guide General Operating Procedures to ensure the long life of the engine Do not operate the engine with a lean mixtur...

Page 14: ...m Max Screw How to Adjust Remove the plug and the rocker arm cover and revolve the propeller slowly clockwise by hand The intake side rocker arm stops and by turning it the piston reaches the compress...

Page 15: ...s operation Oil The use of only 100 synthetic oil is recoommended such as our Evolution Oil EVOX1001Q SPECIFICATIONS Disp 13 8cc 82 cu in Bore 29 0mm 1 14 in Stroke 20 4mm 80 in Weight Engine only 18...

Page 16: ...8 Tappet 2 39 Pushrod 2 40 Pushrod Cover and Rubber Seal 40 1 40 2 40 3 2ea 41 Rocker Arm 2 DESCRIPTION QTY 42 Rocker Arm Screw and Nut 42 1 42 2 2ea 43 Rocker Arm Pin 2 44 Rocker Arm Bracket Left 1 4...

Page 17: ...peration Oil The use of only 100 synthetic oil is recommended such as our Evolution Oil EVOX1001Q SPECIFICATIONS Disp 29 1cc 1 80 cu in Bore 36 0mm 1 41 in Stroke 28 6mm 1 12 in Weight Engine only 37...

Page 18: ...0 2 40 3 2ea 41 Rocker Arm 2 Description QTY 42 Rocker Arm Screw and Nut 42 1 42 2 2ea 43 Rocker Arm Pin 2 44 Rocker Arm Bracket Left 1 45 Rocker Arm Bracket Right 1 46 Valve In and Out 46 1 46 2 2 47...

Page 19: ...m Bracket Left 120S44 120S44 45 Rocker Arm Braket Right 120S45 120S45 Description FG 14B FG 20 FG 30 FG 36 46 Valve In Out pr 91S46 125A46 120S46 G3646 47 Valve Spring Keeper Retainer 2 set 6547 6547...

Page 20: ...epair or ii replace any Product determined by Horizon to be defective In the event of a defect these are the Purchaser s exclusive remedies Horizon reserves the right to inspect any and all equipment...

Page 21: ...you may need any assistance For questions or assistance please direct your email to productsupport horizonhobby com or call 877 504 0233 toll free to speak to a Product Support representative Inspect...

Page 22: ...___________________________________________________________ City State Zip_ _ ________________________________________________________________________ Please cut on dotted line Consumer Warranty and R...

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