FOR BEST BRAKING EFFECT ALWAYS CHANGE ALL THE BRAKE SHOES AND SPRINGS ON BOTH SIDES AT THE SAME TIME!
Let the handbrake off to release the tension in the brake cables.
Remove the wheels.
Slacken the turnbuckle on the brake rod that is connected to the brake cables.
Remove the hub cap and then, where fitted, the split pin that on some models locks the castellated hub nut. Unscrew and remove the castellated nut.
Pull off the drum. If it is tight, strike it with a rubber hammer.
On AL-KO brakes, release the brake shoes by pressing the coil spring (Figure 1) inwards, removing the locking tab from behind the back plate (Figure 2) and then removing the coil spring. Ease out both brake shoes at the same time (Figure 4).
On Knott brakes, release the brake shoes by pressing the coil spring on only the secondary shoe (Figure 1). Ease out the secondary shoe first, so as to avoid the risk of detaching the clip from the primary shoe.
On Peitz, Hahn or BPW brakes, release the brake shoes by pressing in the spring clip (Figure 3) and easing out both brake shoes at the same time.
Figure 1
Figure 2
Figure 3
Figure 4
Change or apply grease to the brake cable. Brake cables in poor condition dramatically reduce braking power.
ADJUSTING THE BRAKES
Clean the expander and adjuster before assembly. If adjustment is needed (for example to get the drum over the new, thicker, brake shoes), turn the adjuster star wheel at the front (Figure 5) or the square adjuster at the back (Figure 6) of the back plate, depending on the brake type.
Figure 5
Figure 6
CONICAL BEARINGS:
Use Valeryd’s own good quality grease (part no. 4999001) for the wheel bearings. When fitting the brake drum, keep tightening the castellated nut until it is hard to turn the drum by hand. Then slacken off the nut just enough to permit the drum to turn easily. If the castellated nut is tightened too much, the bearing will overheat. It is wise to recheck the castellated nut tightness after a week or two.
COMPACT BEARINGS:
Must not be lubricated. The castellated hub nut must be tightened using a torque wrench.
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