Makita DGA517, Instruction Manual

Page: 15 / 184

15 ENGLISH
Overdischarge protection
When the battery capacity is not enough, the tool stops
automatically. In this case, remove the battery from the
tool and charge the battery.
Releasing protection lock
When the protection system works repeatedly, the tool
is locked and the battery indicator shows the following
state.
In this situation, the tool does not start even if turning
the tool off and on. To release the protection lock,
remove the battery, set it to the battery charger and wait
until the charging finishes.
On Off
Blinking
Shaft lock
Press the shaft lock to prevent spindle rotation when
installing or removing accessories.
► Fig.4: 1. Shaft lock
NOTICE:
Never actuate the shaft lock when the
spindle is moving. The tool may be damaged.
Switch action
CAUTION:
Before installing the battery car-
tridge into the tool, always check to see that the
switch lever actuates properly and returns to the
"OFF" position when released.
CAUTION:
Do not pull the switch lever hard
without pulling the lock-off lever. This can cause
switch breakage.
CAUTION:
For your safety, this tool is
equipped with lock-off lever which prevents the
tool from unintended starting. NEVER use the tool
if it runs when you simply pull the switch trigger
without pulling the lock-off lever. Return the tool
to our authorized service center for proper repairs
BEFORE further usage.
CAUTION:
NEVER tape down or defeat pur-
pose and function of lock-off lever.
To prevent the switch lever from being accidentally
pulled, a lock-off lever is provided.
To start the tool, pull the lock-off lever toward the opera -
tor and then pull the switch lever.
To stop the tool, release the switch lever.
► Fig.5: 1. Lock-off lever 2. Switch lever
Speed adjusting dial
The rotation speed of the tool can be changed by turn -
ing the speed adjusting dial. The table below shows
the number on the dial and the corresponding rotation
speed.
► Fig.6: 1. Speed adjusting dial
Number Speed
1 3,000 min
-1
2 4,500 min
-1
3 6,000 min -1
4 7,500 min
-1
5 8,500 min
-1
NOTICE:
If the tool is operated continuously at
low speed for a long time, the motor will get over-
loaded, resulting in tool malfunction.
NOTICE:
When changing the speed dial from "5"
to "1", turn the dial counterclockwise. Do not turn
the dial clockwise forcibly.
Automatic speed change function
► Fig.7: 1. Mode indicator
Mode indicator status Operation mode
High speed mode
High torque mode
This tool has "high speed mode" and "high torque
mode". It automatically changes operation mode
depending on the work load. When mode indicator
lights up during operation, the tool is in high torque
mode.
Accidental re-start preventive
function
Even if installing the battery cartridge while pulling the
switch lever, the tool does not start.
To start the tool, first release the switch lever. Then pull
the lock-off lever, and pull the switch lever.
Electronic torque control function
The tool electronically detects situations where the
wheel or accessory may be at risk to be bound. In the
situation, the tool is automatically shut off to prevent
further rotation of the spindle (it does not prevent
kickback).
To restart the tool, switch off the tool first, remove the
cause of sudden drop in the rotation speed, and then
turn the tool on.
Soft start feature
Soft start feature reduces starting reaction.
Electric brake
Electric brake is activated after the tool is switched off.
The brake does not work when the power supply is shut
down, such as the battery is removed accidentally, with
the switch still on.