With the handbrake fully off, check that the spring store’s overall length is 185 to 190 mm and is not applying a force to the U shaped guide on the side of the overrun lever.Adjusting is by the nut at the front of the assembly. This procedure should only be necessary when replacement parts have been fitted.
COUPLINGS WITH HANDBRAKE MOUNTED ON DRAW BAR (FIGURES 41F-41J)
The setup for the higher capacity couplings is similar to the above, with the exception of the setting of the handbrake spring store, which is more powerful due to the higher transmission force requirements for heavier trailers.
Use the plain nuts behind the compensator to adjust, until the overrun output lever can be pulled rearwards by firm hand pressure to a maximum of 18mm (8mm for adjustable height models).
Maintain the compensator at 90° to the drawbar for even distribution of force into each cable. Ensure the cables are not “kinked” or damaged.
With these models, the brake transmission linkage runs through the spring store, which must be set correctly to achieve automatic operation tensioning of the system.
Figure 41I. Meredith & Eyre Fixed Height Coupling 2500 kg to 3500 kg GVM
Figure 41J. Meredith & Eyre Fixed Height Coupling 2200 kg to 3500 kg GVM
Figure 41F. Meredith & Eyre Fixed Height Coupling 2500 kg to 3500 kg GVM
Figure 41G. Meredith & Eyre Fixed Height Coupling 2200 kg to 3500 kg GVM
Leave the handbrake and spring store connector loose while setting the overrun system as previously described. Finally, pull the spring store up to the hexagonal adaptor by sliding the spring and bracket forward. Tighten the three locking nuts on the connector.
Figure 41H. Connecting Cables to Compensator Handbrake Mounted On Drawbar
MAYCO
