TCM FD35C9 - Page 204

3-90
Fig. 3.286
■OPERATION TEST OF AUTOMATIC CLEARANCE ADJUSTER (4.5- to 5.0-ton
trucks)
① Adjustthebrakeshoeouterdiameternearlytothespeciedsettingsize.Pushuptheadjusterleverwith
thengerstoturntheadjusterteeth.
When the adjuster lever is released, it returns to the original position.
Note: The adjuster teeth may turn back slightly along with the adjuster lever when your fingers are
removed, but the adjuster will operate normally when it is mounted back on the truck.
② If the adjuster won’t operate as mentioned above when the adjuster lever is pushed up or released, take
the following steps:
● Checktheadjusterlever, adjuster,adjusterspring,adjustercableandshoereturnspringsforproper
installation.
● Check theshoereturn springsandadjusterspring fordeteriorationandtheadjuster for rotation,
damaged tooth, or improper engagement with the adjuster lever teeth. If any defect is found, replace.
(a) ADJUSTER LEVER
(b) ADJUSTER
(c) ADJUSTER SPRING
(d) SHOE RETURN SRPINGS
(e) Shoes expand in this direction