Bendix Commercial Vehicle Systems SB-7 AIR DISC BRAKE - Manual (Page 25)

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The Tappets (13) can be removed from the Threaded
Tubes by using Wedge Fork A. (Order No. II32202).
Remove the old Tappet Bush (116).
Check Inner Seal (arrow) and if damaged, replace the
Caliper.
7.1.1 Adjuster thread inspection
Place an new thickness Pad (12) into the outboard
gap to avoid overrunning of the Threaded Tubes.
IMPORTANT!
Threaded Tubes should not be extended
beyond thread engagement of the Bridge.
If thread engagement (synchronization) is
lost, the Caliper must be replaced.
For the inspection of the threads, the tubes must be
screwed out (max. 1.2in. [30mm]) by turning the Adjuster
(23) clockwise.
If Caliper is not installed on axle, put a spacer E
(length = 2.76in. [70mm]) into the Caliper (1) to avoid
overrunning of the Threaded Tubes (16) when adjusting
them out (see illustration opposite). During adjusting,
the threads can be checked for corrision damage.
In case of water ingress or corrosion, the Caliper
must be replaced.
7.2 Tappet with Boot installation
With Caliper fixed to axle:
Grease threads with RENOLIT HLT2 (Order No.
II14525).
Screw back Threaded Tubes (16), by turning the
Adjuster (23) counter-clockwise.
Place new Tappet Bushing (161) onto the head of the
Tube (16).
Sealing seat in the Caliper for Tappet with Boot (13)
must be clean and free of grease.
Place Tappet with Boot (13) onto the head of the
Tube.
Use Push-In Tool with the short strut (B)
(Order No II19252) for positioning and pressing-in the
Boot (13).
A
A
13
13
161
VF 00127/4
B
13
161
VF 00127/5
VF 00127/13
E
16
1
70 mm
16
12
46
M+P-KN-019