Adjusting Hydraulic Conversion Park Brake
View how to adjust Hydraulic conversion park brake here:-
Procedure Tools Required o 16mm Ring Spanner o 16mm Open End Spanner
Override Coupling & Hydraulic Conversion Fitted
With the Override Coupling & Hydraulic Conversion Fitted & Hydraulic system bled
Using a 16mm Open End Spanner, undo the conversion adjuster bolt to reduce the gap between Override Coupling shaft & Conversion adjuster bolt down to 2mm; see FIG: 2. Now lock bolt in position by tightening the lock nut, this is best done by using the Open End Spanner to hold the adjuster bolt head still while using a 16mm Ring Spanner to tighten the lock nut. Check there is still a 2mm gap between the Override Coupling shaft & Conversion adjuster bolt, readjust if necessary. Now that the Override Coupling & Hydraulic Conversion has been adjusted the unit is ready to use.
When Towing with coupling properly connected onto tow vehicle & safety chains fitted, Ensure Park brake has been disengaged by releasing ratchet lever from conversion body as shown in FIG: 3. Reverse Stop Lever has been retracted off Coupling Shaft as per FIG: 4
When reversing still with coupling properly connected onto tow vehicle & safety chains fitted, Ensure Park Brake ratchet lever remains in the disengaged position as shown in FIG: 3 & 5 Reverse Stop Lever is rotated into position locating on top of the Coupling Shaft as shown in FIG: 5
Before disconnecting the Trailer from the Tow vehicle apply the Park Brake The Park Brake can be activated by applying forward hand pressure on the Conversion handle, apply the necessary pressure to allow the ratchet lever to engage with the conversion body; depending on Brake Shoe adjustment this could be the second or third notch, third notch shown in FIG: 6.
NOTE: AL-KO recommends the use of Wheel Chocks in addition to the Park Brake being applied when the trailer is not connected to a Tow vehicle.