Functional Description; Shaft Lock - Makita GA4030 Instruction Manual

Additional Safety Warnings:
17. When using depressed centre grinding wheels,
be sure to use only fiberglass-reinforced
wheels.
18. 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.
19. 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.
20. Make sure the wheel is not contacting the
workpiece before the switch is turned on.
21. 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.
22. Use the specified surface of the wheel to per-
form the grinding.
23. Do not leave the tool running. Operate the tool
only when hand-held.
24. Do not touch the workpiece immediately after
operation; it may be extremely hot and could
burn your skin.
25. Observe the instructions of the manufacturer
for correct mounting and use of wheels.
Handle and store wheels with care.
26. Do not use separate reducing bushings or
adaptors to adapt large hole abrasive wheels.
27. Use only flanges specified for this tool.
28. 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.
29. Check that the workpiece is properly
supported.
30. Pay attention that the wheel continues to
rotate after the tool is switched off.
31. 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.
32. Do not use the tool on any materials contain-
ing asbestos.
33. When use cut-off wheel, always work with
the dust collecting wheel guard required by
domestic regulation.
34. Cutting discs must not be subjected to any
lateral pressure.
SAVE THESE INSTRUCTIONS.
WARNING: DO NOT let comfort or famil-
iarity 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

► Fig.1: 1. Shaft lock
CAUTION:
• Never actuate the shaft lock when the spindle is
moving. The tool may be damaged.
Press the shaft lock to prevent spindle rotation when
installing or removing accessories.
Switch action
► Fig.2: 1. Switch lever
CAUTION:
• Before plugging in the tool, always check to
see that the slide switch actuates properly and
returns to the "OFF" position when the rear of
the slide switch is depressed.
To start the tool, slide the switch lever toward the "I
(ON)" position. For continuous operation, press the
front of the switch lever to lock it.
To stop the tool, press the rear of the switch lever, then
slide it toward the "O (OFF)" position.
ASSEMBLY
CAUTION:
• Always be sure that the tool is switched off and
unplugged before carrying out any work on the
tool.
Installing side grip (handle)
► Fig.3
CAUTION:
• Always be sure that the side grip is installed
securely before operation.
Screw the side grip securely on the position of the tool
as shown in the figure.
8 ENGLISH