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Section 5
5.11 CHECKING BRAKE SHOE LININGS FOR WEAR
During use of trailer, friction lining of brake
drums is subject to wear. In such a case,
the complete brake shoes should be re-
placed with new ones. Excessive wear
of brake shoes is the condition in which
the thickness of linings which are glued or
riveted to steel structures of brake shoes
is smaller than the minimum value.
TIP
Check brake shoe linings for wear:
• according to the inspection schedule,
• if brakes overheat,
• if brake cylinder piston stroke is significantly
longer,
• if there are unusual sounds originating from
the wheel axle drum area.
PROCEDURE
• Find the inspection opening (de-
pending on the axle version, the in-
spection opening may be located
elsewhere than in the place indicated
in the figure; however, it is always lo-
cated on the brake shield disc).
• Remove the upper plug and lower
plug and check the brake shoe lining
thickness.
5.14
PRONAR T700M/1
Technical inspection schedule
Figure 5.9
Checking thickness of brake shoe
linings
(1) a plug, (2) a brake lining
• Brake shoes should be replaced
when the lining thickness is less than
5 mm.
• Check the other linings for wear.
1
Gmin 5mm
2
526-I.09-1
I.3.2.589.10.1.EN
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