Zontes ZT125-M 2022, Maintenance Manual

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f.Push the piston to the bottom in the direction of the
arrow.
g. Restore the front disc brake main pump assembly and
make sure it is correctly assembled.
h. Install the two brake pads (1) back into the caliper, and
install the spring plate③between the two brake pads.
During assembly, the arrow in the spring piece shall be
pointing upwards.
Press the disc body at the position indicated by arrow ⑨
inwards in the direction of the arrow, and fix the brake disc
(1) with the pin ② inserted into the hole. Tighten the pin
shaft ② with a T25 hexagonal box wrench.
j. Press the disc body at the point indicated by arrow ⑧
inwards in the direction of the arrow, and fix the brake disc
(1) wit h the pin ② inserted into the hole. Tighten the pin
shaft ② with a T25 hexagonal box wrench.
k. Install the two circlips ① back onto the pin shaft. The
buckle is assembled in place after it makes a noise. When
assembling the circlip, the flanging shall be outward. If the
circlip is deformed, it can be corrected with a hammer with
appropriate force.
l. Hold the brake handle repeatedly until the braking force
is recovered.
5.2 Replace the rear brake pads
a. Use a flat- blade screwdriver to remove the nut①.
Remove the pin shaft ② with a 5# inner hexagon.
b. Use a 12# sleeve to remove the bolt③, turn the caliper
assembly clockwise around the bolt④, and remove the
brake pad. Note that the bolt④ does not need to be
disassembled.
c. Push the piston to the end in the direction of the arrow
with the help of a tool. If the resistance is high, you can refer
to the method of adding brake fluid to the front brake main
pump to remove the upper cover and then push. If the spring
on the caliper falls off, it needs to be reinstalled in the
direction shown in the figure.
d. Grasp the outer brake pad with your left hand and insert
the pin② with your right hand, being careful not to insert it
to the end. Install the inner brake pad in place, then insert
the pin to the end and use the 5# inner hexagonal lock
pin②. Be careful not to install it backwards, the grooved
side faces the brake disc; the black metal back plate faces the
caliper.