Page 35 - KNORR Pneumatic Disc Brake

7

Tappet and Boot Assemblies (13) and Inner Seals (22) Replacement

7.3.5. Release tool (E ) and then turn it over so that tool (E )
1
1
(T28) can make contact with the boot.
T56 T56
T28
T03
Note: For the next procedure, place tool (T56) into tool T28
(T28) with open side facing out (as shown in Fig. 7.3.1).
1
7.3.6. Press-in the boot of the tappet (13) using tool (E )
by winding out (T03) against the brake disc (see Fig.). T03
T02

T02
7.3.6 - Press-in boot using tool (E ).
1
7.3.7. Check that the tappet (13) turns slightly in each
direction (take care not to overstretch the tappet boot)
(see Fig.).

13

With caliper removed from the vehicle: 7.3.7 - Tappet should turn slightly in each direction
The fitting of each tappet and boot assembly (13) requires tool (E )
2
(E) (see Section 7).
T03 T04 T28 T56

Follow steps 7.3.2 and 7.3.3 from previous section then,
for each tappet and boot assembly:
2
7.3.8. Position tool (E ) as shown. Note that tool (T56)
must be inserted into tool (T28) with closed side facing out.
Using a spanner screw out (T03) to press tappet and boot T02
assembly (13) into place.
Note: Tool (T56) is required to maximise grip on the caliper.

13 T02
T03
T28

T04
‘E ’ T56
2

7.3.8 - Press in tappet using tool (E ) (with T56)
2

35