(7) Check push rod return spring
for free length and setting load (See Fig.8-
17 and part No.8 on Fig.8-2, part No. 9 on
Fig.8-3).
Free length: L=124.5mm;
Setting length: L=130mm;
Setting load: 245N.
(8) Check the adjuster spring for
free length and setting load (See Fig.8-18
and Fig.8-19 and part No.12 on Fig.8-2,
part No.18 on Fig.8-3).
Free length: L=86mm for 2 ton trucks; L=121mm for ton trucks;
Setting length: L=97mm for 2 ton trucks; L=137mm for ton trucks;
Setting load: 153N for 2 ton trucks; 71.5N for ton trucks.
(9) Check the ratchet pawl
spring for free length and setting load
(See Fig.8-20).
Setting load: 14.7N for ton
trucks.
(10) Check the adjuster to see if it is damaged or in good condition and the
contact of the adjuster lever for breakdown. If necessary, replace it.
3-3.8
3-3.8
3-3.8
3-3.8
Fig. 8-20
Fig. 8-19Fig. 8-18
Fig. 8-17
Fig. 8-16
121(3t)
-64-
(2-3.8t)