User's Manual

1. Remove the air hose. Remove the two (2) nuts holding brake

chamber.

2. Remove brake chamber.

3. Check through the aperture in the brake chamber attachment

ﬂ ange that no moisture/corrosion is present. If it is, replace

caliper.

1. Check that the new brake chamber is of the correct type.

(There must be inner bushings on the push rod.)

Removing Brake Chamber

1 – Hose

2 – New brake chamber

Replacing Brake Chamber

4. If action is required, see "Removing Disc Brake Caliper" on

page 19.

2. Fit the pipe ﬁ tting to the new brake chamber.

3. Check that the mounting faces of the brake chamber and

caliper are clean.

4. Lubricate the end of the push rod with grease.

5. Fit the new brake chamber with nuts and washers and

tighten to 130 lbs. ft. (176 N•m).

6. Install the air hose to the brake chamber.

7. With the service brake applied, check brake chamber hose

and connections for tightness and damage.

8. Install the wheels in accordance with the vehicle

manufacturer's instructions.

9. IMPORTANT: Make sure that the contact surfaces between

the wheels and hub are clean and free of distortion. follow

the vehicle manufacturer's instructions on tightening torques.

10. Check that the brake hoses do not pinch during full wheel

articulation.

11. Remove the axle support and the wheel chocks and lower

the axle in accordance with the vehicle manufacturer's

instructions.

Replacing Brake Chamber