Makita 9526NB User Manual download pdf (Page 6)

OPERATING INSTRUCTIONS

Installing the wheel guard (Fig. 1 & 2)

Mount the wheel guard with the tab on the wheel

guard band aligned with the notch on the bearing box.

Then rotate the wheel guard 180° clockwise (for

9526NB) or counterclockwise (for 9527NB and

9528NB). Be sure to tighten the screws securely.

Installing side grip (auxiliary handle) (Fig. 3)

For 9527NB and 9528NB only

Screw the side grip on the tool securely. The side grip

can be installed on either side of the tool, whichever is

convenient.

Installing or removing depressed center

wheel

CAUTION:

Always be sure that the tool is switched off and

unplugged before installing or removing the wheel.

Mount the inner flange onto the spindle. Fit the wheel

on over the inner flange and screw the lock nut onto

the spindle. (Fig. 4)

To tighten the lock nut, press the shaft lock firmly so

that the spindle cannot revolve, then use the lock nut

wrench and securely tighten clockwise. (Fig. 5)

WARNING:

Only actuate the shaft lock when the spindle is not

moving.

Switch action (Fig. 6)

CAUTION:

Before plugging in the tool, always check to see that

the switch actuates properly and returns to the ‘‘OFF’’

position when the rear of the switch lever is

depressed.

To switch on, depress the rear of the switch lever and

push it forward. Then depress the front of the switch

lever to lock it.

To switch off, depress the rear of the switch lever.

Operation (Fig. 7)

Hold the tool firmly with both hands. Turn the tool on

and then apply the wheel or disc to the workpiece.

In general, keep the edge of the wheel or disc at an

angle of about 15° – 30° to the workpiece surface.

During the break-in period with a new wheel, do not

work the griader in the B direction or it will cut into the

workpiece. Once the edge of the wheel has been

rounded off by use, the wheel may be worked in both

A and B directions.

WARNING:

•

It should never be necessary to force the tool. The

weight of the tool applies adequate pressure. Forc-

ing and excessive pressure could cause dangerous

wheel breakage.

•

Continued use of a worn-out wheel may result in

wheel explosion and serious personal injury.

Depressed center wheel should not be used after it

has been worn down to 75 mm in diameter for

Model 9526NB or 90 mm for Models 9527NB and

9528NB in diameter. Use of the wheel after this

point is unsafe and it should be removed from

service and rendered unusable by intentional

destruction.

MAINTENANCE

CAUTION:

Always be sure that the tool is switched off and

unplugged before carrying out any work on the tool.

Replacing carbon brushes (Fig. 8 & 9)

Remove and check the carbon brushes regularly.

Replace when they wear down to the limit mark. Keep

the carbon brushes clean and free to slip in the

holders. Both carbon brushes should be replaced at

the same time. Use only identical carbon brushes.

Use a screwdriver to remove the brush holder caps.

Take out the worn carbon brushes, insert the new

ones and secure the brush holder caps.

To maintain product safety and reliability, repairs,

maintenance or adjustment should be carried out by a

Makita Authorized Service Center.

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Makita 9526NB User Manual Page 6

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