N et weight : 2500g; Gross weight : 2870g
发动机的调整 (ADJUSTMENT OF THE ENGINE)
1 、每台发动机出厂时都经过了初步调整 ， 用户可以直接使用。但各地区的海拔 高
度将会影响化油器的正常工作，化油器油针可能需要进行微调才能达到最佳的工作位
Every engine has been preset before ex-factory; it can be use d directly by the
customers. However, altitudes will influence the performance of carburet or, to obtain the best
output of DEL engines , slight adjustment at the carburet or is very necessary.
2 、功能及调整（ Functions and Adjustments ）
（ 1
）
、 风门
，
冷启动时使用
；
Choke Arm (The Choke Arm is used under the circumstan ce
of
cold start-up.)
；
（ 2
）
、油门 ； Throttle
；
（ 3
）
、怠速调节螺丝 ； Idle Adjustment Screw
；
（ 4
） 、
低速油针 ； Low-speed N eedle
；
（ 5
）
、高速油针 ； High-speed Needle ；
调整 ： 顺时针转动怠速螺丝 3 将增大怠速转速 ， 同时要配合低速油针 4 一起调整
，
顺时针转动低速油针减少油量（一般是把油针拧到底再退回 1.25 圈） ；高速油针 5 ( 退 回
1.5 圈 ) 最好使用转速表来调整，使发动机达到最高转速，加减速顺畅为最佳。
ADJUSTMENT: Turn the Idle Adjustment Screw (See No.3) clockwise will increase
the idle speed. At the same time , turn the Low-speed Needle (See No.4) clockwise to
reduce the gas. Normally, the preset from factory is screw down the Needle and then turn
back about 1.25 loops . High-speed Needle (See No.5) is turn back about1.5 loop s. But
we suggest it should be adjusted with the tachometer to obtain the maximum s peed. For
the best performance , e ngine should be accelerat ing and decelerat ing smoothly.
调整化油器高速油针时请注意：混合气调整过稀将导致发动机严重过 热
Caution: A thin mixed gas cause s engine overheat and spark plug burned. So
please pay attention when you adjust the High speed needle.
3 、发动机的启动 (Start-up the engine)
（ 1 ） 关闭风门 ( 热车时可不关闭而直接启动 ) ， 加大油门。
Step 1: Close the Choke (Start up directly if the engine remain s warm) and full throttle .
Step 2: Turn off the ignition power supply .
转动螺旋桨， 直到汽油进入化油器 （首次启动或长时间不用可能需要转动多次）
。
Step 3: Turn the aircraft propeller until the petrol entering the carburetor. You may
need to turn it few more time s for the first start or the engine is unused for a while.
打开点火电源，用力拨桨（最好用启动棒）发动机启动后会因富油而自动熄火。
Step 4: Turn on the ignition power supply , and spinning the propeller hardly with a
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