Hypertherm Powermax1250 Service Manual - Manual (Page 71)

MAINTENANCE
3-38 powermax1250 Service Manual
4
Work cable replacement
Disconnect the electrical power, gas supply and torch lead before removing the old work cable.
1. Remove the power supply cover.
2. Install the strain relief to the power supply and secure it with a nut.
3. Tighten the strain relief collar onto the cable.
4. Connect the work cable to the power board at
J14.Tighten the nut to 10 in-lb (12 kg cm) of
torque.
5. Install the ETR barrier.
6. Install the power supply cover.
ETR barrier
Strain relief
Connect to J14
Work cable
Caution: This is a high-current connection.
Proper torque is critical.