Shimano BR-M8000 Dealer's Manual - Page 22

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MAINTENANCE

Adding Shimano genuine mineral oil and bleeding air

If the brake lever is then operated, air bubbles in the system will rise up through the port

into the oil funnel.

Once the bubbles stop appearing, depress the brake lever as far as it will go.

It is normal for the lever to be stiff at this point.

Lever operation

To be continued on next page

(x)

Set the lever unit to the horizontal

position as shown in the illustration and

tilt it in the direction of [1] by 30°, and

[1]

then carry out step 9 to check that there

(z)

is no air remaining.

Next, tilt the lever unit 30° in the

(z)

direction of [2], and carry out step 9

[2]

again to check that there is no air

remaining.

If any air bubbles appear, repeat the

above procedure until they stop

appearing.

(z)

(y)

30°

(x)

Loose

(y)

Slightly stiff

(z)

Stiff

NOTE

If the lever does not become stiff, repeat the

procedures from step 5.

(z)