DFD6361-Maintenance - 第454页

E-18 1-2-1. Rem oving the bl ade br eakage detector Position o f the blad e breakage detector The illustration below shows the location of the blade breakage detector. Blade br eakage detector Procedur es for re moving t…

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1-2. Cleaning the Blade Breakage Detector Sensor

Operation flow

The procedure for cleaning the blade breakage detector sensor consists of the

following steps.

1-2-1 Removing the blade breakage detector

1-2-2 Cleaning the blade breakage detector sensor

1-2-3 Adjusting the amplifier of blade breakage detector

1-2-4 Completion of cleaning the blade breakage detector sensor

Safety items for cleaning the blade breakage detector sensor

WARNING

If any touch panel control is inadvertently activated during

maintenance or inspection, unexpected machine operation may

cause death or serious injury.

While you don't use the touch panel, press the Disco's logo button

located at the upper left of the screen in order to lock up and

deactivate the touch panel.

NOTICE

Neither safety goggles, protective gloves, stepstools, flashlights nor

alcohol, all of which are necessary for maintenance work, are not

supplied with the machine. Use what are furnished in your factory or

what comply with your factory's standards.

Before cleaning

Have on hand the following items for cleaning the blade breakage detector

sensor.

Cotton swab (or soft cloth)

Alcohol

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1-2-1. Removing the blade breakage detector

Position of the blade breakage detector

The illustration below shows the location of the blade breakage detector.

Blade breakage detector

Procedures for removing the blade breakage detector

WARNING

If your fingers or hands are placed under a rotating spindle, they may

be caught or cut off.

Before opening the splash cover, visually make sure from outside of

the splash cover that the spindle stops completely. Also, do not

position your fingers or hands beneath the rotating spindle.

CAUTION

The fiber of the blade breakage detector is made of plastic. If the

fiber is broken when it is bent, the blade breakage detector does not

function.

In cleaning the sensor section, use care not to bend the fiber.

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Procedures for removing the blade breakage detector (Continued)

The procedures described below takes the wheel cover of the spindle 1 for

example.

Step No. Do This

Press the <System Initial> button to effect system initialization.

From outside of the splash cover, visually make sure that the

spindle is completely stopped.

Turn OFF the wheel coolant water supply.

Press the <Wheel Cover> button to open the wheel cover with

the BLADE BREAKAGE DETECTOR ADJUSTMENT screen

[screen 4.2].

Open the splash cover.

While pushing down the release lever, slide the blade breakage

detector to remove it from the wheel cover.

Sliding direction

Continued in the next section.