Prest-O-Lite 250 Manuel D'instructions, D'installation, D'utilisation Et D'entretien page 30

SECTION 5
B. No Air
Is air hose connected?
Yes
Is air adjusted to 65 - 70 psig (4.5 - 4.8 bar)?
Yes
Does air come on when main power turned on?
Yes
Check continuity of torch switch
OK
Repair /replace power source
No
No
No
No
Connect
Adjust
• No electrode in torch
• No valve pin in torch
• Replace electrode
• Replace valve pin
Replace torch switch
30
TrOUBlESHOOTING