DLE DLE120-T4 Manuel de l'utilisateur - Page 3

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Every engine has been preset before shipping; Usually it can be operate directly. However,

altitudes will influence the performance of carburetor, to achieve the best performance, fine tuning

on the carburetor is recommended.

2、功能及调整（Functions and Adjustments）

（1）、风门，冷启动时使用；Choke Arm；（2）、油门；Throttle；（3）、怠速调节

螺丝； Idle Adjustment Screw；（4）、低速油针； Low-speed Needle；（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1.5圈）；高速油针5(退回1.25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 close needle(clockwise) and reopen about 1.5 turns.

High-speed Needle (See No.5) is also about 1.5 turns. We suggest to use tachometer to check

for maximum speed. For the best performance, engine should be accelerating and decelerating

smoothly. `

⚫ 调整两个化油器间连杆的长度,保证两个化油器油门能够同时关闭到最小,否则将会影响

前后两个发动机的工作状态.

⚫ Adjust connecting rod for front/rear throttle arm, make sure both arms can reach to the

maximum and minimum position at the same time, an improper adjustment will affect

engine's working condition seriously.

⚫ 请注意：两个点火传感器分别对应前、后两个缸的点火位置，1＃传感器对应前面两个

缸，2＃传感器对应后面两个缸，请不要接错，否则发动机无法启动。

⚫ Caution: Sensors has to be mounted in correct position. Sensor #1

cylinders, Sensor #2 corresponds with rear cylinders, incorrect connection will result engine fail to

start.

⚫ 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和火花塞烧毁。

燃烧后火花塞的颜色应该是黄色,说明混合气浓度比较合适.

Caution: Do not to run engine at lean oil mixture, it will melt down piston or spark plug

and damage the engine seriously. if spark plug shows a yellow burning residue, it

indicates engine at the best oil mixture.

四、发动机的启动 (Start-up the engine)

（1）关闭风门，加大油门,打开点火电源.

Step 1: Close the Choke and turn on the ignition, with full throttle.

corresponds with front