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RC-TEK Ltd. SJM400 II Reference Manual Thank you very much for your purchase of the SJM400. In order to better operate this product safely, please read this manual before flying the helicopter. Please fly the helicopter safely observing all the rules and manners after having fully understood the flight precautions, the unit’s capabilities and the best way to fly it.
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RC-TEK Ltd. SJM400 II Reference Manual Pre Flight Checks: As a precautionary avoidance to frequency interference (two different helicopters utilizing the same frequency), it is important to keep the remote controllers and heli- copters apart for at least a distance of 0.5 miles. In order to prevent encounters from occurring; Please make sure the surrounding areas (the flight area) are not populated with crowdsand or buildings (look for open space).
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RC-TEK Ltd. SJM400 II Reference Manual 7. Upon reaching the recommended maximum height, slowly release and let off on the throttle till landing. Always maintain the helicopter’s plane level to the ground. 8. Continually practice this technique until you can masterfully perform linear and descending paths, as well as stationary hovering capabilities.
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RC-TEK Ltd. SJM400 II Reference Manual 5. Control arm assembly: check regularly for cracked, worn, bent or binding control arms and pushrods. Smooth movement of control arms and linkages is required for stable, vibration flight. 6. Swash-plate: Check for excess slop in the main ball where the main shaft rides on and slop or looseness among all the metal parts. Swash-plate wear will result in poor stability and lack of control during flight.
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RC-TEK Ltd. SJM400 II Reference Manual 3. Tail rotor housing: Disassemble the tail rotor housing for cleaning and maintenance after every 50 flights. If the tial does not operate smoothly or shows any signs of stress or wear, it should be replaced immediately.
8. The operator of this helicopter is ultimately responsible for his/her own actions and any/all potential damage caused either directly or indirectly as a result of such operation. RC-Tek Ltd., its agents and or subsidiaries shall be held harmless for any financial, physical or emotional loss caused by the operation of this helicopter.
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Please refer to the screw colors on the package Required Parts AL2013 BRG 1.5x4.2 M1.5x7...
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