Note: If necessary, the clearance between the push rod and piston must be checked and adjusted before installing the master cylinder.
1. Attach the special tool to the master cylinder body; turn the adjusting nut to move the center axis until it rests against the end of the secondary piston.
2. Without disturbing the position of the central axis, fix the special tool upside down on the amplifier.
3. Install the master cylinder nuts and tighten to the specified torque.
4. Connect a 0-101 kPa (0-760 mmHg) vacuum gauge in series to the engine vacuum source in the booster and maintain the engine speed to provide a vacuum of 66 kPa (500 mmHg).
5. Using a feeler gauge, measure the gap between the device body and the adjusting nut as shown in the figure. Gap: 0-0.4 mm.
Note: If the clearance between the fixture body and the adjusting nut is 0.4 mm, the clearance between the push rod and the piston is 0 mm. However, if the clearance between the fixture body and the adjusting nut is 0 mm, the clearance between the push rod and the piston is 0.4 mm or more. Therefore, it should be adjusted and rechecked.
6. If the clearance is incorrect, loosen the star lock nut and adjust by turning the adjuster in or out.
Note:
- Make adjustments when applying the required vacuum to the booster.
- When making adjustments, secure the pin with the head and the hole for the cotter pin.
7. Tighten the star lock nut securely.
8. Remove the special tool.
9. If the booster is removed, adjust the length of the push rod as shown in the figure.
10. Install the master cylinder (see above).