Makita 5377MG-R ユーザーズマニュアル

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15.  Dress properly. Do not wear loose clothing or 
jewellery. Keep your hair, clothing, and gloves 
away from moving parts.
 Loose clothes, 
jewellery or long hair can be caught in moving 
parts. 
16.  If devices are provided for the connection of 
dust extraction and collection facilities, 
ensure these are connected and properly 
used.
 Use of dust collection can reduce dust-
related hazards. 
Power tool use and care 
17.  Do not force the power tool. Use the correct 
power tool for your application. The correct 
power tool will do the job better and safer at the 
rate for which it was designed. 
18.  Do not use the power tool if the switch does 
not turn it on and off. Any power tool that 
cannot be controlled with the switch is dangerous 
and must be repaired. 
19.  Disconnect the plug from the power source 
and/or the battery pack from the power tool 
before making any adjustments, changing 
accessories, or storing power tools.
 Such 
preventive safety measures reduce the risk of 
starting the power tool accidentally. 
20.  Store idle power tools out of the reach of 
children and do not allow persons unfamiliar 
with the power tool or these instructions to 
operate the power tool.
 Power tools are 
dangerous in the hands of untrained users. 
21.  Maintain power tools. Check for misalignment 
or binding of moving parts, breakage of parts 
and any other condition that may affect the 
power tool’s operation. If damaged, have the 
power tool repaired before use.
 Many 
accidents are caused by poorly maintained power 
tools. 
22.  Keep cutting tools sharp and clean. Properly 
maintained cutting tools with sharp cutting edges 
are less likely to bind and are easier to control. 
23.  Use the power tool, accessories and tool bits 
etc. in accordance with these instructions, 
taking into account the working conditions 
and the work to be performed.
 Use of the 
power tool for operations different from those 
intended could result in a hazardous situation. 
Service 
24.  Have your power tool serviced by a qualified 
repair person using only identical 
replacement parts.
 This will ensure that the 
safety of the power tool is maintained. 
25.  Follow instruction for lubricating and 
changing accessories. 
26.  Keep handles dry, clean and free from oil and 
grease. 
USE PROPER EXTENSION CORD. Use only three-
wire extension cords that have three-prong 
grounding-type plugs and three-pole receptacles 
that accept the tool’s plug. Make sure your 
extension cord is in good condition. Replace or 
repair damaged or worn cord immediately. When 
using an extension cord, be sure to use one heavy 
enough to carry the current your product will draw. 
An undersized cord will cause a drop in line voltage 
resulting in loss of power and overheating. Table 1 
shows the correct size to use depending on cord 
length and nameplate ampere rating. If in doubt, use 
the next heavier gage. The smaller the gage number, 
the heavier the cord. 
 
 
 
 
 
 
Table 1: Minimum gage for cord
Ampere Rating
Volts
Total length of cord in feet
120 V
25 ft.
50 ft.
100 ft.
150 ft.
More Than
Not More Than
AWG
0
6
18
16
16
14
18
16
14
12
6
10
10
12
16
16
14
12
12
16
14
12
Not Recommended
 
000173 
GROUNDING INSTRUCTIONS: 
This tool should be grounded while in use to protect 
the operator from electric shock. The tool is 
equipped with a three-conductor cord and three-
prong grounding type plug to fit the proper 
grounding type receptacle. The green (or green and 
yellow) conductor in the cord is the grounding wire. 
Never connect the green (or green and yellow) wire 
to a live terminal. Your unit is for use on 120 volts 
and has a plug that looks like Fig. ”A”.