Hypertherm MAX200 Service Manual - Manual (Page 89)

3-48 MAX200 Service Manual
MAINTENANCE
PAC200T/E Torch Lead Assembly Removal and Replacement
Note: To change length of torch lead assemblies, see Increase or Decrease PAC200 Torch Lead
Length on page 3-50.
Removal
To disconnect the PAC200T/E torch lead assembly from the MAX200, proceed as follows (see Figure 3-10 ):
1. Disconnect the torch COOLANT RETURN lead (red w/red band for 25' leads; blue w/red band for extended
leads) from the bulkhead adapter.
2. Disconnect the torch COOLANT SUPPLY lead (blue w/green band) from the bulkhead adapter.
3. Disconnect the SHIELD GAS lead (grey w/blue band for 25" leads; blue for extended leads) from the high-
frequency coil.
4. Disconnect the PLASMA GAS lead (red) from adapter 2. This connection is left hand-threaded; it loosens in a
clockwise (cw) direction.
5. Disconnect the CAP SENSE lead (grey) from adapter 1.
6. Disconnect the shielded PLASMA START SWITCH LEADS (red and black) from terminal block TB2.
Note: The 90° hand torch lead assemblies are not interchangeable with the PAC200T/E lead
assembly.
Replacement
1. Connect the torch lead assembly to the power supply by reversing the above procedure.
2. Connect the torch lead assembly to the torch by referring to the Removal and Replacement of PAC200T/E
Torches procedure on page 3-46.
WARNING
Press the OFF (O) pushbutton switch on the power supply and place the wall mounted disconnect
box switch to OFF before working on the torch or torch leads!