Adjustment - TM-5-4930-233-140244

TM 5-4930-233-14

TM 4930-14/1

AXLE ASSEMBLY

4-58. BRAKE ASSEMBLY - INSPECT/ADJUST/BLEED/REPLACE/REPAIR (Cont.)

Adjustment

(1)

Raise and block trailer so that both wheels are off the ground.

(2)

Remove adjustment hole cover plate (1) and turn adjusting screw (4) until brake begins to drag when wheels

(2) are spun. Back off screw just enough to allow wheel to turn freely.

(3)

With brakes released, insert a small rod through one of two inspection holes in air brake chamber

(3)

Mark rod at surface of support when rod contacts the push rod spring retainer in air brake chamber (3).

(4)

Apply brakes and again mark rod at surface of support. Withdraw rod and measure distance between two

marks.

(5)

Adjust brakes to achieve 1/2 to 3/4 inch (12.7 to 19.05 mm) travel.

NOTE

Both brakes must be adjusted equally.

(6)

Install cover plate (1).

4-170