RCGF 21CC-Twin Operator'S Manual Download Page 19

Page: 19 / 21

If you need carburetor spare parts please contact our service center on local.

Warranty Information

The RCGF-21cc twin has a two year limited warranty through RCGF service center

beginning at the date of purchase. Please retain your receipt as your proof of purchase.

Contact Us

www.rcgfengine.com

Enigne Size

Summary of Contents for 21CC-Twin

Page 1: ...r supply 4 8 8 4V Maximum Output 2 8HP 8500RPM Requires Gasoline 2 cycle oil ignition battery propeller speed rang 1500 9500rpm Gasoline Version Pre mixed Fuel 25 40 Gasoline 1 Recommend 30 1 90 high...

Page 2: ...4 32 SIZE or equivalent Idle Speed 1800 rpm min Static Thrust 13 6 lb 6 2 kg 328 ft 100 m altitude 12 1 lb 5 5 kg 5 900 ft 1800 m altitude SPARE PARTS LIST 1 1pc RCGF 21cc twin cylinder Gas Engine 2...

Page 3: ...to break Securely tighten the spinner and propeller on the engine to prevent it from being thrown off the engine while running Never use a propeller that has hit the ground Even though it may look goo...

Page 4: ...sources of sparks Do not smoke near the engine or the fuel tank This engine was designed for use in a model aircraft Do not attempt to use it for any other purpose Always install an ignition system k...

Page 5: ...listed 1 Check to see that all screws and bolts are tight Check carefully for any cracks broken or missing parts Tighten or replace any damaged or missing parts before proceeding 2 Install the silico...

Page 6: ...well for this Use heat shrink tubing to secure this connection 5 Install the ignition kill switch and charge jack on the aircraft so that it is easily accessible from the outside of the plane 6 Insta...

Page 7: ...all the engine to the firewall using 4 5x45mm SHCS with 5mm lock washers and flat washers with the included standoffs Use threadlocking compound such as Threadlocker on the screws where they thread in...

Page 8: ...get the carburetor s full range of rotation with your servo travel Be sure to use a non metallic linkage 5 Install the choke servo optional at least 12 305mm away from the engine Be sure to use a non...

Page 9: ...Be sure to use threadlocker and that the ignition wire does not contact the muffler 8 Cut all necessary clearance carburetor adjustment cooling and exhaust holes in the cowl 9 Make sure the cowl is s...

Page 10: ...n the prop hub such as 10cc 20cc SBM 26cc BM 21cc twin 30cc twin please ignore step 5 to 9 1 Remove the cowling from the aircraft Use the included propeller washer to mark the centering hole on the pr...

Page 11: ...Locator to center and start the hole 6 Remove the propeller from the engine and drill the outer hole on the drill press using a 110 2 81mm drill bit as a pilot hole Next use a 5mm drill bit to finish...

Page 12: ...peller using the same technique as step 6 9 Mount the propeller to the engine using the 5x35mm SHCS with 5mm lock washers and flat washers Be sure to use threadlocker Adjustment of the Engine Each RCG...

Page 13: ...peeds The default or factory setting of the Low speed Needle is as follows turn the needle to the fully stop closed position and then turn back 1 5 turns High Speed Needle Adjustment Turning the High...

Page 14: ...s Carburetor Adjustment Troubleshooting Problem If The engine hesitates when accelerated rapidly or The rpm increases at idling or The engine stops when the throttle is moved from high to low Solution...

Page 15: ...after several brisk flips of the propeller 8 After starting let the engine idle for 30 to 45 seconds Open and close the throttle slowly until the engine runs smoothly at idle and at full throttle Acc...

Page 16: ...or a fuel in tank b fuel tubing cut blocked or kinked c carburetor clogged This can be done by removing the spark plug from the cylinder and attaching the plug on the outside of the crankcase Have an...

Page 17: ...not have this additional lead the Digital Tachometer can still be used Simply use the Y harness included with the Digital Tachometer to connect to the pick up lead from the engine Be sure to secure a...

Page 18: ...ailure to do so may result in miss calibration of the needle adjustments In order to do this it is necessary to remove the Phillips head screw which secures the carburetor filter cover and the carbure...

Page 19: ...enter on local Warranty Information The RCGF 21cc twin has a two year limited warranty through RCGF service center beginning at the date of purchase Please retain your receipt as your proof of purchas...

Page 20: ...Enigne Size Note The total width will be 184mm with two spare plugs...

Page 21: ...Engine Spare parts list...