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WARNING! As spring carrier 18 is asymmetric, make sure in its
proper installation. It will ensure that spring 1 presses both shoes.
During further operation the required clearance between the
brake shoe and the disc is maintained automatically.
WARNING! The brake disc hardware, the tubing T-connector,
the parking brake drive details, the governor drive and the gover-
nor itself are xed with adhesive sealant (with no spring washer)
to prevent unscrewing. Add adhesive sealant if unscrewing these
bolts and nuts.
Rear drum brakes (Fig. 9.31, Fig. 9.32 depending on the
conguration). Remove brake drums periodically and clean the
brake details from dust and dirt. The frequency depends on vehicle
operation conditions. Clean the drums more often in summer and
when driving dirty roads and less often in winter.
Fig. 9.22. Rear wheel brake for wheel parking brake (variation 1):
a — anchor stud marks; 1, 7 — brakes shoes with linings; 2 — expander link spring;
3 — safety cap; 4 — wheel brake cylinder; 5 — brake release spring; 6 — adjusting
lever; 8 — bypass valve; 9 — shield; 10 — adjusting lever spring; 11 — drive lever
spring; 12 — idler lever unit; 13 — anchor studs.
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