Shimano deore XT Instruksi Layanan Teknis - Halaman 8
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Juga untuk Shimano deore XT: Manual Petunjuk Servis (2 halaman)
Halaman Cetak
Maintenance
I Brake pad replacement
Note:
The M765 brake system is designed so that as the brake pads become worn, the pistons gradually move
outward to automatically adjust the clearance between the rotor and the brake pads. Therefore, you need to
push the pistons back to their original positions when replacing the brake pads.
If oil adheres to the brake pads after oil is added, or if the brake pads
are worn down to a thickness of 0.5 mm, replace the brake pads.
1.
Remove the wheel from the frame, and remove the brake pads as
shown in the illustration.
2.
Clean the pistons and surrounding area.
3.
Set the brake lever so that it is parallel to the ground, and then
remove the reservoir tank cover.
4.
Push the piston back in as far as it will go, while being
careful not to twist it. (Note that some oil may overflow
from the reservoir tank at this time.)
5.
Install the new brake pads, and then install the pad
spacers
B (red).
F
6.
Depress the brake lever several times to check that the operation becomes stiff.
7.
Check that the rotor and the brake pads do not touch each other, and then check the oil level (adding more oil if
required). After doing this, replace the reservoir tank cover.
I Adjustment when the pistons are not operating correctly
The caliper mechanism includes two pistons. If these pistons do not operate properly or if they protrude unevenly,
or if the brake pads remain in contact with the rotor, adjust the pistons by the following procedure.
1.
Remove the wheel and the brake pads.
Clean the pistons and surrounding area, set the brake lever so that it is parallel to the ground, and remove the
reservoir tank cover.
2.
Push the piston back in straight, without bending it. Note that some oil may overflow from the reservoir tank at
this time.
3.
Install the brake pads and the pad spacers
4.
Depress the brake lever as far as it will go, and then operate it several more times so that the two pistons all
move to their initial positions.
5.
Remove the pad spacers, install the wheel, and then check that there is no interference between the rotor and
the caliper. If they are touching, adjust while referring to "Installation of the caliper".
6.
After checking the oil level, replace the reservoir tank cover.
7.
Return the brake lever to its original position.
I Mineral oil replacement
It is recommended that you replace the oil inside the reservoir tank if it becomes severely discolored.
Attach a tube with a bag to the bleed nipple, and then open the bleed nipple and drain out the oil. You can operate
the brake lever at this time to help the oil to drain out. After draining the fluid, pour in fresh brake fluid while
referring to "Adding the mineral oil and bleeding air". Use only genuine Shimano mineral oil.
Dispose of the waste oil according to proper country and/or state disposal regulations.
Brake pads
B (red).
F
Piston
Pad spacer
B (red)
F
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