User's Manual

Replacing Disc Brake

WARNING: Be sure to follow all safety instructions

including the blocking of wheels and proper lifting and

support of axle.

WARNING: Do not use compressed air.

WARNING: If disc brake is equipped with a spring

brake, make sure the spring is properly caged.

1. Remove air chamber from caliper and secure. Do not let the

air chamber hang by just the air hose.

2. Remove retaining bar.

3. Remove brake pads.

4. Re-install retaining bar and secure with fastener.

5. Connect lifting strap and suitable lifting device around retainer

bar.

6. Remove attachment bolts to torque plate.

1. Place caliper assembly on torque plate.

2. Lubricate attachment bolts with anti-seize compound.

3. Fit bolts through torque plate to caliper and tighten to snug

ﬁ t.

4. Torque bolts to 330-350 lbs. ft. (407-448 N•m). If torque

wrench is not available, tighten bolt to snug ﬁ t (mark ﬂ at of

bolt to torque plate then tighten bolt one more ﬂ at). This will

be the approximate torque value.

Removing Disc Brake Caliper

1 – Readjustment shaft

Replacing Disc Brake Caliper

1 Flat

(60 deg.)

5. Verify adjustment shaft is fully retracted.

IMPORTANT: Do not tighten.

6. Install Air Chamber. See page 25.

7. Check that the pad contact surfaces are clean.

8. Install new pads.

9. Replace retaining bar and secure fastener.

10. Perform initial adjustment. See "Initial

Adjustment" on page 16.

Note: Make sure that the sliding function of the air chamber

does not pull on the ABS sensor. Chamber/caliper must be free

to slide inboard 20 mm (0.78 in.).

7. Remove caliper.

Replacing Disc Brake