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Gas Radial Engines

User Manual For 5 - 55cc / 75cc / 100cc / 125cc / 150cc / 180cc / 210cc 

(Use gasoline without Bioethanol mixture)

Technologies Private Limited

Summary of Contents for 5-55 cc

Page 1: ...Gas Radial Engines User Manual For 5 55cc 75cc 100cc 125cc 150cc 180cc 210cc Use gasoline without Bioethanol mixture Technologies Private Limited...

Page 2: ...OT a toy It must be operated with caution and common sense and requires some basic mechanical ability Failure to operate this Product in a safe and responsible manner could result in injury or damage...

Page 3: ...e poisonous Always ensure gasoline and fuel are stored in a clearly marked container away from Never re use the inlet pipe gasket Te on while servicing the reach of children Safety Warnings Model engi...

Page 4: ...tilize an electric starter to start your engine Always discard any propeller that is nicked scratched cracked or damaged in any way Always run your model engine in a well ventilated area Model engines...

Page 5: ...etween the rewall and the mounting ring Vibration between the stando and the mounting ring will damage the mounting ring and cause the engine to separate from the airframe WARNING Always attach the en...

Page 6: ...ewall with through bolts installed Always use nylon locking nuts with bolts through the rewall 3 Make sure the fuel tank is no farther than 200mm 8 in from the back of the rewall Always use a fuel lte...

Page 7: ...ing to prevent damage to the exhaust valve It is very important to consider adequate cooling inside the airplane cowl Engines require Engine Cooling Requirements Installing the Electronic Ignition uni...

Page 8: ...ting the engine on a test stand or on an airframe If you choose to mount the engine on an airframe remove the cowl during break in to ensure adequate cooling Engine Break In Process Fuel Selection Bre...

Page 9: ...x at 1000 rpm for two minutes to warmup 1 Use a high quality gear oil to lubricate the outer parts of the valve train at the beginning of each ying day WD40 Liquid Moly Additive Starting the Engine ac...

Page 10: ...M Richening the high speed needle allows the RPM to increase when the airplane is ying 1 Start the engine 2 Move the throttle stick up until the engine is running at approximately 2 000 rpm 3 If you a...

Page 11: ...hesitation the low speed needle is adjusted perfectly If the engine slowly responds to throttle change and gradually reaches peak RPM the low speed needle is too rich Lean out the low speed needle tu...

Page 12: ...his process 4 Start with the number 1 cylinder this should be the upright cylinder above the UMS logo a Rotate the crankshaft counter clockwise and observe the pushrod movement b Note when you see the...

Page 13: ...8 Menz Prop Spark Ignition ABC TYPE 5 180 CC 35 7 mm 37 mm 1000 5500 4 7kg incl silencer 277 mm 195 mm 30x10 28x12 Collector Ring CM 6 RcExl WALBRO WT 621 5 180 cc 21kgf 30X10 SEP Prop 5 100 cc Spark...

Page 14: ...Notes...

Page 15: ...Notes...

Page 16: ...Gopal Bagh 1062 Avinashi Road Coimbatore 641 018 INDIA Tel 91 422 2243439 5 Lines Fax 91 422 2242760 E mail support umstech in Web www umstech in...

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