Page 4 - KNORR Pneumatic Disc Brake

Contents

7 Tappet and Boot Assemblies (13) and Inner Seals (22) Replacement 31
7.1 Removal of Tappet and Boot Assemblies (13) . . . . . . . . . . . . 32
Inspection of Threaded Tube (16) . . . . . . . . . . . . . . . 33
7.2 Replacement of Inner Seals (22) . . . . . . . . . . . . . . . . 33
7.3 Fitting of Tappet and Boot Assemblies (13) . . . . . . . . . . . . . 34

8 Caliper Replacement 37
8.1 Removal of Caliper from Carrier . . . . . . . . . . . . . . . . 37
Removal of Cover (10) . . . . . . . . . . . . . . . . . . . 37
Removal of Cover (68c) or (68d) . . . . . . . . . . . . . . . . 38
Removal of Cap (68a) . . . . . . . . . . . . . . . . . . . 38
Removal of Caliper . . . . . . . . . . . . . . . . . . . . 38
8.2 Fitting of Caliper to Carrier - (Carrier assembled on vehicle) . . . . . . . . 39
Fitting of Cover Variants . . . . . . . . . . . . . . . . . . 40
Cover Variant (10) - Long Bearing Side . . . . . . . . . . . . 40
Cap (68a) - Short Bearing Side . . . . . . . . . . . . . . . 41
Cover Variant (68c) - Short Bearing Side . . . . . . . . . . . . 41
Cover Variant (68d) - Short Bearing Side . . . . . . . . . . . . 42
Fitting of Cover Variants with Caliper (1) and Carrier (2) removed from the vehicle . . . 42
9 Inner Boot (9) Replacement 43

10 Guide Pin Bush/Bearing Variants Replacement 45
10.1 Brass Bush (7) Replacement . . . . . . . . . . . . . . . . . . 45
Removal of Brass Bush (7) . . . . . . . . . . . . . . . . . 45
Fitting of Brass Bush (7) . . . . . . . . . . . . . . . . . . 45
10.2 Bearing Variants (6) Replacement . . . . . . . . . . . . . . . . 46
Removal of Bearing Variants (6) . . . . . . . . . . . . . . . . 48
Fitting of Bearing Variants (6) . . . . . . . . . . . . . . . . . 49

11 Carrier Replacement 52
12 Brake Actuator Replacement 53
12.1 Removal of Knorr-Bremse Brake Chamber . . . . . . . . . . . . . 53
12.2 Fitting of Knorr-Bremse Brake Chamber . . . . . . . . . . . . . . 53
12.3 Removal of Knorr-Bremse Spring Brake . . . . . . . . . . . . . . 54
12.4 Fitting of Knorr-Bremse Spring Brake . . . . . . . . . . . . . . . 55

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