3-5-7
Orig
CD373
Chapter 3
MZ Tow Tractor Section 5
Figure 5-7. Piston Removal
(f) Use just enough compressed air in caliper brake line port to force piston out.
Excessive air may cause piston to be blown out of bore and become damaged.
(g) Remove wood block. Gently work piston the rest of the way out of bore.
(h) Use a screwdriver to pry boot out of caliper as shown. Use care to avoid scratching
the caliper bore (Figure 5-8).
(i) Remove piston seal from caliper bore. Use a piece of wood or plastic (a wooden
toothpick is ideal) so as not to damage caliper bore.
(j) Remove bleed valve.
Figure 5-8. Boot Removal
COMPRESSED
AIR
SCREWDRIVER
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