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8. Maintenace
MA6
MA7
MA8
■ SAW CHAIN
It is very important for smooth and
safe operation to keep the cutters
always sharp.
Your cutters need to be sharpened
when:
• Sawdust becomes powder-like.
• You need extra force to saw in.
• The cut way does not go straight.
• Vibration increases.
• Fuel consumption increases.
Cutter setting standards:
Be sure to wear safety gloves.
Before filing:
• Make sure the saw chain is held
securely.
• Make sure the engine is stopped.
• Use a round file of proper size for
your chain.
Chain type: 90SG
File size: 5/32 in (4.0mm)
Place your file on the cutter and push
straight forward. Keep the file
position as illustrated. (MA6)
After every cutter has been set,
check the depth gauge and file it to
the proper level as illustrated. (MA7)
Be sure to round off the front edge
to reduce the chance of kickback
or tie-strap breakage.
(1) Appropriate gauge checker
(2) Make the shoulder round
(3) Depth gauge standard
Make sure every cutter has the same
length and edge angles as illustrated.
(MA8)
(4) Cutter length
(5) Filing angle
(6) Side plate angle
(7) Top plate cutting angle
WARNING
WARNING
WARNING
警 告
警 告
警 告
中 文
■锯链
保持刀具锋利对于顺利平安作业是极其
重要的。
当出现以下情况时，你的刀具需要磨
削。
・锯屑变成粉状。
・锯削时需施加更大的力气。
・切割方向不直。
・振动增加。
・燃料消耗增加。
刀具安装标准：
请务必戴安全手套。
安装之前：
・确保锯链安装得牢靠。
・确保引擎停止。
・使用链条用的合适尺寸的圆锉。
链条型号： 90SG
圆锉尺寸：5/32in（4.0mm）
把圆锉放在刀具上，笔直往前推。圆锉
的位置如图所示。（MA6）
全部刀具安装完毕后，核对一下深度表，
将其调节至如图所示的适当深度。
（MA7）
请务必把前缘磨光，以减少反弹或者栓
带断裂的可能性。
（1）适当的深度表核对器
（2）使轴肩成圆形
（3）深度表标准
如图所示，务必使所有刀具的深度和缘
角相同。（MA8）
（4）刀具长度
（5）安装角度
（6）侧板角度
（7）顶板切削角
8. 检修