4-34. BRAKE ADJUSTMENT (Con't).
When adjusting nut (3) is turned counterclockwise, it will turn hard and
slack adjuster (2) will make a loud ratcheting noise. This is normal.
At slack adjuster (2), turn adjusting nut (3) clockwise until brakes lock, Then turn adjusting
nut counterclockwise until wheels turn freely without brake shoe drag.
Uncage brake chamber spring (see paragraph 4-33) or disconnect tractor's EMERGENCY air
Remove jackstand and lower axle.
Repeat steps 1 through 5 to adjust brakes at other wheels.