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Variable Speed Switch
(ET1480 and ET1490 ONLY)
These tools are equipped with a variable speed switch that permits
speed control from (zero to 1750 RPM - ET1480) (zero to 1000/3000
RPM - ET1490). To turn the tool on, squeeze the trigger switch
shown in Figure 2 until the tool starts to run. The farther you depress
the trigger, the faster it will operate. Releasing the trigger turns the
tool off.
Use lower speeds for applying liquid waxes and polishes and higher
speeds for removing dried liquid. Use the highest speed (fully
depress trigger) for buffing the car to a final lustre.
The tool can be locked on for continuous use by squeezing the
trigger switch fully and depressing the lock button shown in Figure 2.
Hold the lock button in as you gently release the trigger switch. The
tool will continue to run. To turn the tool off from a locked on position,
squeeze and release the trigger switch once. Do not unplug the tool
with the switch in the locked on condition. Make sure the tool is not
locked on when plugging in. A locked on tool will start immediately
3
English
FIG. 2
TRIGGER
LOCKING
BUTTON
TRIGGER
SWITCH
FIG. 3
SPEED CONTROL WHEEL
(ET1490 ONLY)
when plugged in.
NOTE: The trigger can only be locked on with the tool running at the
maximum RPM.
Speed Control Wheel (ET1490 ONLY)
The maximum speed of your tool can be changed by rotating the
speed control wheel to the desired setting. The wheel incorporates
detents to prevent inadvertent wheel movement and to facilitate
speed selection. For added versatility, the switch may be locked in its
full on position and tool speed changed by means of the speed
control wheel alone (see Figure 3).
The electronic speed control not only lets you select the speed to suit
the job, but also helps to maintain that speed as you load the tool by
pressing down.
The speed control wheel can be set for any speed between 1000 and
3000 RPM and the variable speed switch will then control tool speed
from zero to the wheel setting. For example: A control wheel setting
of 2200 RPM will allow the variable speed switch to operate the tool
between zero and 2200 RPM, depending on how far the trigger is
depressed. A wheel setting of 1000 RPM would allow the switch to
operate the tool from zero RPM to 1000 RPM.
The electronic speed control feature comes into play whenever the
trigger switch is fully depressed and the tool is running at the selected
speed determined by the setting of the control wheel. As you load the
tool by pushing it down on the work surface, (with the trigger fully
depressed) the electronic circuit inside the tool will compensate for
the loading and maintain the selected speed. If the speed selected by
the control wheel is 2200 RPM, as in the example above, the tool
will maintain 2200 RPM, as it is loaded.
It is important to remember two things about electronic speed control:
1. The electronic speed control operates only when the trigger switch
is fully depressed.
2. The effect of electronic speed control is much easier to observe at