Engine JAC HFC4DA1-2C. Manual — part 137
BR
BR
BR
BR Brake
Brake
Brake
Brake System
System
System
System
- 68 -
Removal/installation
Removal/installation
Removal/installation
Removal/installation of
of
of
of vacuum
vacuum
vacuum
vacuum booster
booster
booster
booster
Caution:
Caution:
Caution:
Caution:
Don’t the make the brake fluid splashing onto the
paint surface. In case of any, please wash the
surface with clean water immediately.
Removal
1.
Disconnect the negative cable of battery.
2.
Disconnect the harness connector of the brake fluid
level warning switch.
3.
Disconnect the brake fluid circuit.
Note:
Note:
Note:
Note:
Plug the pipe orifice to avoid contamination by
dirt.
4.
Remove the brake line from the master cylinder.
5.
Remove the vacuum booster hose connector
carefully.
6.
Remove the clevis pin and spring clip from the
vacuum booster control rod of brake pedal.
BR
BR
BR
BR Brake
Brake
Brake
Brake System
System
System
System
- 69-
Removal/Installation
Removal/Installation
Removal/Installation
Removal/Installation
7.
Remove the brake switch.
�
Remove the harness connector.
8.
Remove the booster and master cylinder assembly.
9.
Separate the booster from the master cylinder.
Installation
1.
Install the vacuum booster.
2.
Install the booster control rod onto the brake pedal.
BR
BR
BR
BR Brake
Brake
Brake
Brake System
System
System
System
- 70 -
Removal/Installation
Removal/Installation
Removal/Installation
Removal/Installation
3.
Reinstall and debug the brake switch.
4.
Reinstall the master cylinder onto the booster.
Ensure proper position and clean joint surface for
sealing washer of vacuum pump.
5.
Reconnect the brake line.
6.
Reconnect the brake line with the master cylinder.
7.
Install the vacuum booster pipe connector.
8.
Connect the brake fluid level warning sensor
connector.
9.
Connect the negative cable of battery.
10. Bleed air out of brake system in accordance with
specification.
BR
BR
BR
BR Brake
Brake
Brake
Brake System
System
System
System
- 71-
Air
Air
Air
Air bleeding
bleeding
bleeding
bleeding for
for
for
for brake
brake
brake
brake system
system
system
system
Caution:
Caution:
Caution:
Caution:
Don’t the make the brake fluid splashing onto the
paint surface. In case of any, please wash the
surface with clean water immediately.
1.
Disconnect the ground wire of battery.
2.
Have the vehicle lifted.
3.
Connect the oil drain pipe to the air vent of four
wheels.
4.
Loosen the bleeder screw.
Note:
Note:
Note:
Note:
Keep the brake fluid reservoir cap clean.
5.
Open the brake fluid reservoir cap.
6.
Bleed air out of the front circuit.
Fill the fluid reservoir with brake fluid with the
brake pedal fully depressed, release the brake pedal
immediately and then hold the brake pedal
depressed. Loosen the bleeder screw of wheel
cylinder to bleed air out of system. Perform air
bleeding for wheels in the order of left rear, right
front, right rear and left front. Tighten the bleeder
screw once no air bubble is observed.
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