Zontes ZT125-M 2022, Maintenance Manual

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Cooling system disassembly
Caution:
●Before disassembling, please refer to the steps of
discharging the cooling liquid in the cooling system section of
the "Maintenance" chapter to drain all the cooling liquid
first.
●Wear protective measures such as waterproof gloves and
protective glasses during disassembly, and prevent the
coolant from contacting the skin.
●The disassembly operation must be performed after the
engine, radiator, and muffler are completely cooled.
M310 Remove the radiator assembly
a. Use 4# inner hexagon to remove M6×16 bolt ⑴ , water
pipe limit bracket ⑵ will not be removed temporarily. Use a
10# sleeve to remove the M6×12 bolt ⑶ , and separate the
water pipe fixing bracket ⑷ from the limit bracket ⑵ .
b. Place the oil pan underneath, clamp the hoop with hoop
pliers and move it about 40mm (1.6 in) in the direction of the
arrow. Wear waterproof gloves with both hands and
separate the engine water inlet pipe from the tee joint. Use a
flat-blade screwdriver to loosen the clamp and move it about
40mm (1.6 in) in the direction of the arrow, and separate the
inlet pipe of the small water tank from the thermostat. Use
an oil pan to receive the coolant that may remain in the pipe.
c. Press the buckle indicated by the arrow to pull out the
plug of the cooling fan of the small water tank.
d. Use an 8# sleeve to remove the 3 M6×22 bolts shown
in the figure.
e. Use an 8# sleeve to remove one M6×22 bolt that fixes
the aluminum water inlet pipe; fix two M6×30 bolts on the
upper left side of the main water tank and the upper right
side of the small water tank.
f. First open the black rubber cover of the auxiliary water
tank, grasp the auxiliary water tank connecting water pipe
with one hand, and use the hoop clamp to remove the φ9
hoop in the direction of the arrow, then slowly lower the
water pipe while catching the drain with the oil pan. Coolant.
Use the same method to remove the φ10.5 hoop and then
pull out the water pipe. Cut the cable tie, and use an 8#
sleeve to remove the 2 M6×22 bolts that fix the auxiliary
water tank. Remove the auxiliary water tank assembly from
the vehicle. Remove the bolts on the right side of the main
water tank and the aluminum outlet pipe.