Functional Description; Shaft Lock - Makita GA4530R Instruction Manual

2. If the use of a guard is recommended for wire
brushing, do not allow any interference of the
wire wheel or brush with the guard. Wire wheel
or brush may expand in diameter due to work load
and centrifugal forces.
Additional Safety Warnings:
1. When using depressed centre grinding wheels,
be sure to use only fiberglass-reinforced
wheels.
2. NEVER USE Stone Cup type wheels with this
grinder. This grinder is not designed for these
types of wheels and the use of such a product
may result in serious personal injury.
3. Be careful not to damage the spindle, the
flange (especially the installing surface) or the
lock nut. Damage to these parts could result in
wheel breakage.
4. Make sure the wheel is not contacting the
workpiece before the switch is turned on.
5. Before using the tool on an actual workpiece,
let it run for a while. Watch for vibration or
wobbling that could indicate poor installation
or a poorly balanced wheel.
6. Use the specified surface of the wheel to per-
form the grinding.
7. Do not leave the tool running. Operate the tool
only when hand-held.
8. Do not touch the workpiece immediately after
operation; it may be extremely hot and could
burn your skin.
9. Observe the instructions of the manufacturer
for correct mounting and use of wheels.
Handle and store wheels with care.
10. Do not use separate reducing bushings or
adaptors to adapt large hole abrasive wheels.
Use only flanges specified for this tool.
11.
12. For tools intended to be fitted with threaded
hole wheel, ensure that the thread in the wheel
is long enough to accept the spindle length.
13. Check that the workpiece is properly
supported.
14. Pay attention that the wheel continues to
rotate after the tool is switched off.
15. If working place is extremely hot and humid,
or badly polluted by conductive dust, use a
short-circuit breaker (30 mA) to assure opera-
tor safety.
16. Do not use the tool on any materials contain-
ing asbestos.
17. When use cut-off wheel, always work with
the dust collecting wheel guard required by
domestic regulation.
18. Cutting discs must not be subjected to any
lateral pressure.
19. Do not use cloth work gloves during operation.
Fibers from cloth gloves may enter the tool, which
causes tool breakage.
SAVE THESE INSTRUCTIONS.
WARNING:
DO NOT let comfort or familiarity
with product (gained from repeated use) replace
strict adherence to safety rules for the subject
product. MISUSE or failure to follow the safety
rules stated in this instruction manual may cause
serious personal injury.
FUNCTIONAL
DESCRIPTION
CAUTION:
Always be sure that the tool is
switched off and unplugged before adjusting or
checking function on the tool.

Shaft lock

Press the shaft lock to prevent spindle rotation when
installing or removing accessories.
1
► 1. Shaft lock
NOTICE:
Never actuate the shaft lock when the
spindle is moving. The tool may be damaged.
Switch action
CAUTION:
Before plugging in the tool, always
check to see that the slide switch actuates prop-
erly and returns to the "OFF" position when the
rear of the slide switch is depressed.
CAUTION:
Switch can be locked in "ON" posi-
tion for ease of operator comfort during extended
use. Apply caution when locking tool in "ON"
position and maintain firm grasp on tool.
To start the tool, slide the slide switch toward the "I
(ON)" position by pushing the rear of the slide switch.
For continuous operation, press the front of the slide
switch to lock it
To stop the tool, press the rear of the slide switch, then
slide it toward the "O (OFF)" position.
6 ENGLISH