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- FG-14C
- Owner's Operating Instruction Manual
Saito FG-14C Owner's Operating Instruction Manual
Summary of FG-14C
Page 1
Owner’s operating instruction manual saito ™ 4-stroke gasoline engines model fg-14c, fg-17 & fg-21 model fg-30b, fg-36b & fg-40 version 2012.
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2 this manual describes the engine and its general operating procedures. For mounting and control, see the instruction manual for the model airplane. Some suggestions are included in this manual for mounting the engine using the included motor mount. For proper heat transfer, it is important to use ...
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3 • never return unused fuel from the fuel tank back into the fuel container. • never attempt to repair or modify a propeller beyond its intended use. • never handle model engines, mufflers and/or tuned pipes until they have had time to cool. They become extremely hot when in use. • never use hands,...
Page 4: Table of Contents
4 table of contents safety warnings and precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 introduction to the saito gasoline 4-stroke engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 5: Components
5 fg-14c fg-17 fg-21 fg-30b fg-36b fg-40 engine 3 3 3 3 3 3 valve adjusting tools 3 3 3 3 3 3 muffler wrench 3 3 3 ignition saig14c153 saig17153 saig17153 saig30b153 saig30b153 saig40153 engine mount saig1495 sai10095 saig2095 saig3095/ saig3695 saig3095/ saig3695 saig3695 spark plug 1/4-32; saig201...
Page 6: Throttle Linkage
6 carefully attach the throttle linkage to the engine using a ball link on the carburetor throttle arm. Make sure the linkage is free to operate from low to high throttle. Also, confirm that the low throttle setting on the transmitter closes the carburetor throttle barrel to the low-idle position. A...
Page 7: Fuel
7 fuel • mix a ratio of gasoline to oil of 20:1 for break-in and continuous operation on all engines. • a mixture of high-quality 91 octane unleaded gasoline and a reliable, high-quality 100% synthetic oil for 2-cycle engines must be used. We recommend evolution oil (evox1001q). With the use of an o...
Page 8: Ignition System
8 saito gasoline four-stroke engines come with the saito ignition system, composed of the ignition unit, a cord for the sensor (black and white), insulated plug cap, and cord (black and red) for connection to a battery (not included). You will also need to secure an on/off switch (safety switch syst...
Page 9
9 preparation before starting the engine (prior to break-in) • mount the engine on a strong, flat test bench or on the aircraft (in either case, the engine should be secured so it is immobile). • check to make sure the carburetor will open and close completely. • check the wiring of the ignition sys...
Page 10: Starting The Engine
10 the carburetor on the saito engine comes with the low-speed needle adjusted to a basic setting. The high-speed needle will need to be set by the user. The standard carburetor settings are as follows: the high- speed needle valve is set open counterclockwise from the fully closed position. On the ...
Page 11: Conrods
11 be sure to have a helper hold the model securely. • turn on the transmitter first, then the receiver and check the operation of the throttle servo and other controls. • turn on the power to the ignition system. • using an electric starter, begin cranking the engine. It should fire within seconds ...
Page 12: Use A Tachometer
12 normal operation, maintenance and additional information • be sure to do a range check before flying your model. It would be wise to do the range check with the engine running and without it running. As a simple noise check, after the engine is started, do the normal range check your radio manufa...
Page 13: Setting
13 6. Once this change made to the low end, open the high end by 1/2 turn from where you ran it before. Restart the engine and reset the high-end needle valve. 7. With the engine running and the high-speed needle valve set as above, adjust your throttle setting to achieve the desired idle speed. Tip...
Page 14: Throttle Linkage
14 throttle linkage carefully attach the throttle linkage to the engine using a ball link on the carburetor throttle arm. Make sure the linkage is free to operate from low to high throttle. Also, confirm that the low-throttle setting on the transmitter closes the carburetor throttle barrel to the lo...
Page 15: Fuel
15 fuel • mix a ratio of gasoline to oil of 20:1 for break-in and continuous operation on all engines. • a mixture of high-quality 91 octane unleaded gasoline and a reliable, high-quality 100% synthetic oil for 2-cycle engines must be used. We recommend evolution oil (evox1001q). With the use of an ...
Page 16: Ignition System
16 ignition system saito gasoline four-stroke engines come with the saito ignition system, composed of the ignition unit, a cord for the sensor (black and white), insulated plug cap, and cord (black and red) for connection to a battery (not included). You will also need to secure an on/off switch (s...
Page 17: Starting The Engine
17 • mount the engine on a strong, flat test bench or on the aircraft (in either case, the engine should be secured so it is immobile). • check to make sure the carburetor will open and close completely. • check the wiring of the ignition system to make sure it is connected correctly and securely. •...
Page 18: Choking The Engine
18 choking the engine the proper way to choke the carbuerator that comes with your fg-30b/36b/40 engine is: 1. Make sure the ignition is off. 2. Open the throttle 100% 3. Using the included choking tool (long metal rod with one threaded end) and insert this into the middle of the throttle barrel whe...
Page 19: Mechanical Faults
19 the low-speed needle valve is set at the factory so that idle rpm may be between 1,800 and 2,100 rpm. In principle, a carburetor is adjusted by first achieving highest rpm with the high-speed needle valve and then performing idling (low-speed rpm) with the throttle valve and the low-speed needle ...
Page 20: Valve/tappet Gap Adjustment
20 after approximately every 1 to 2 hours of operation, tappet gap adjustment may be necessary. When you check the valves, lubricate the moveable parts. Also, make sure the screw is in tight before making adjustments to valves. Adjust the valves to a clearance of .03mm to .10mm (.002 to .004 in) usi...
Page 21: Specifications
21 fg-14c outside dimensions (mm) fg-14c dimensions and specifications specifications displacement 13.8cc (.82 cu in) bore 29.0mm (1.14 in) stroke 20.4mm (.80 in) weight (engine only) 18.6 oz (528 g) weight (muffler only 2.1 oz (58 g) weight (ignition only 3.7 oz (105 g) total weight (all inlcusive)...
Page 22: Specifications
22 specifications disp 17.2cc ( 1.05 cu in) bore 29.0mm (1.14 in) stroke 26mm (1.02 in) weight (engine only) 21.5 oz (610 g) weight (muffler only) 2.1 oz (60 g) weight (ignition only) 3.7 oz (105 g) total weight (all inclusive) 27.2 oz (770 g) crankshaft m8x1.25 cylinder aac fuel efficiency 15cc/min...
Page 23: Specifications
23 specifications disp 20.52cc (1.25 cu in) bore 31.7mm (1.24 in) stroke 26mm (1.02 in) weight (engine only) 21.9 oz (620 g) weight (muffler only) 2.9 oz (80 g) weight (ignition only) 3.7 oz (105 g) total weight (all inclusive) 28.5 oz (805 g) crankshaft m8x1.25 cylinder aac fuel efficiency 15cc/min...
Page 24
24 saito fg-14c/fg-17/fg-21 parts list # description qty 01 cylinder (left) 1 06 piston 1 07 piston pin 1 08 piston pin retainar 2 09 piston ring 1 10 connecting rod 1 14 cylinder screw set (14-1, 14-2, 14-3, 14-4) 1 15 crankcase 1 17 rear cover 1 19 breather nipple 1 20a front bearing 1 22 rear bea...
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25 saito fg-14c/fg-17/fg-21 exploded view.
Page 26: Specifications
26 specifications disp 29.1cc (1.80 cu in) bore 36.0mm (1.41 in) stroke 28.6mm (1.12 in) weight (engine only 37.2 oz (1055 g) weight (muffler only) 3.0 oz (85 g) weight (engine mount only) 6.7 oz (190 g) weight (ignition only) 3.7 oz (105 g) total weight (all inclusive) 50.6 oz (1435 g) crankshaft m...
Page 27: Specifications
27 specifications disp 36.3cc (2.20 cu in) bore 38mm (1.49 in) stroke 32mm (1.26 in) weight (engine only) 44.2 oz (1253 g) weight (muffler only) 3.0 oz (85 g) weight (engine mount only) 9.6 oz (270 g) weight (ignition only) 3.7 oz (105 g) total weight (all inclusive) 60.5 oz (1713 g) crankshaft m8x1...
Page 28: Specifications
28 specifications disp 40.2cc (2.40 cu in) bore 40mm (1.57 in) stroke 32mm (1.26 in) weight (engine only) 44.2 oz (1253 g) weight (muffler only) 3.0 oz (85 g) weight (engine mount only) 9.6 oz (270 g) weight (ignition only) 3.7 oz (105 g) total weight (all inclusive) 60.5 oz (1713 g) crankshaft m8x1...
Page 29
29 # description qty 01 cylinder (left) 1 06 piston 1 07 piston pin 1 08 piston pin retainer 2 09 piston ring 1 10 connecting rod 1 14 cylinder screw set (14-1, 14-2, 14-3, 14-4) 1 15 crankcase 1 17 rear cover 1 19 breather nipple 1 20a front bearing 1 22 rear bearing 1 23 crankshaft 1 27a taper col...
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30 saito fg-30b/fg-36b/fg-40 exploded view.
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31 description fg-14c fg-17 fg-21 fg-30b fg-36b fg-40 01 cylinder, left g14b01 g1701 g2001 g3001 g3601 g4001 06 piston 10006 10006 125a06 18006 220a06 g4006 07 piston pin 1007 10007 120s07 18007 220a07 g4007 08 piston pin retainer (6) 6508 6508 120s08 300t08 300t08 g4008 09 piston ring 1009 10009 12...
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32 description fg-14c fg-17 fg-21 fg-30b fg-36b fg-40 46 valve-in/out (2) 91s46 10046 125a46 120s46 g3646 g3646 47 valve spring, keeper, retainer (2) 6547 6547 6547 120s47 120s47 120s47 48 valve retainer (4) 5048 5048 5048 120s48 120s48 120s48 49 rocker arm cover (2) 5049 5049 5049 150s49 150s49 150...
Page 33
33 3-year limited warranty what this warranty covers - horizon hobby, inc., (horizon) warrants to the original purchaser that the product purchased (the “product”) will be free from defects in materials and workmanship for a period of 3 years from the date of purchase. What is not covered - this war...
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34 you must include your original sales receipt verifying the proof-of-purchase date. Provided warranty conditions have been met, your product will be serviced or replaced free of charge. Service or replacement decisions are at the sole discretion of horizon. Non-warranty service - should your servi...
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35 consumer warranty registration complete this form and mail along with your dated sales receipt (send copy, keep original for your files) within 10 days of purchase to: horizon service center attn: saito warranty dept. 4105 fieldstone road champaign, il 61822 engine type date of purchase owner’s n...
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© 2013 horizon hobby, inc. Www.Horizonhobby.Com saito is a trademark of saito seisakusho co. Ltd, japan. Team orion is a registered trademark of team orion europe s.A. Corporation. All other trademarks, service marks and logos are property of their respective owners. Saito is exclusively distributed...