To raise the jack, close the release valve (figure 25, item 3) by turning it clockwise, insert
handle (figure 25, item 4) into the pump receiver and operate the jack.
g. Place dunnage beneath the trailer chassis.
h. Remove lug nuts on the rim to be removed.
Remove the rim and tire from the studs (figure 25, item 5). (2 person operation)
Figure 25. Lifting the Axle and Removing the Rim and Tire
The brake shoes may need to be adjusted prior to removing the drum from the wheel.
To adjust the brake shoes prior to removing the brake drum, proceed as follows:
Remove the plug covering the adjustment access slot (figure 26, item 1) located on the rear
of the brake assembly.
Insert a brake adjusting tool or screwdriver in the slot.
While holding the adjusting tool away from the star wheel (figure 26, item 2) with a small
screwdriver, turn the adjuster up until the drum turns freely.