Repair and upgrading

Repair

Disassembling coupling bolt and pertaining locking springs

Disassembling hand lever and ratchet lever

Disassembling coupling body and guide bush

Exchanging plastic bearing bushes

Exchanging rubber springs

Disassembling wear plate

Refitting and Upgrading

Changing coupling head: Type 5050 A > AM

Sensor assembly

Changing handles: Type 5050 A > B