MAINTENANCE
3-36
Service Manual
QUICK DISCONNECT O-RING REMOVAL AND REPLACEMENT
The quick disconnect O-ring on the PAC121 torch leads provides a tight seal between the quick
disconnect plug and the power supply receptacle. This O-ring prevents plasma gas from leaking
during cutting. To remove and replace the O-ring in the event of damage or wear, proceed as follows
and refer to Figure 3-10.
1. Turn the Powermax800 power switch OFF (0).
2. Unplug the power cable or set line disconnect switch to off, and disconnect gas supply.
3. Unscrew and remove the torch lead quick disconnect plug from the receptacle on the power
supply.
4. Remove the O-ring from the quick disconnect as shown in Figure 3-10 using needle nose
pliers, tweezers, etc.
5. Replace O-ring. Ensure it seats properly.
Quick Disconnect
Power/Gas Gland
O-Ring (044009)
Figure 3-10 Quick Disconnect O-Ring Removal and Replacement
9-96
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