3.5BRAKE PARTS
Brake shoes (Figure 42) are recommended to be replaced when the lining thickness measures less than 2mm, as it is likely that they will be worn out before the next service.
Always replace both brake shoes together, regardless of the lining thickness on the other shoe. It is further advised that brake shoes should be ideally replaces as an axle set to avoid uneven braking from side to side.
KNOTT COUPLINGS
Please follow the adjustment instructions in section 3.5, but do not allow for the rearward movement of the overrun output lever, which is only required on Meredith & Eyre couplings. All knott couplings (Figures 43A and 43B) operate in the same manner, so the type of housing, cast
Adjuster
Expander
Figure 43A. Knott Cast Body Coupling
Sliding (Auto Reverse)
Brake Shoe
Figure 42. Auto Reverse Back Plate Assembly
(Right-Hand Knott 203 x 40)
Figure 43B. Knott Cast Body Coupling
Please note position of sliding shoe relative to
NOTE adjuster or expander.To function correctly the brake must be assembled in this way.
Left hand brake is a mirror image.
PAGE 44 — MAYCO
