Section 7: service, 01 maintenance, Section 7 – Tweco 500SP PowerMaster Automation User Manual
Page 69: Service -1, 01 maintenance -1, Warning! disconnect input power before maintaining

POWERMASTER 400SP, 500SP AUTOMATION
March 16, 2007
7-1
Warning! 
Disconnect input power before maintaining.
Each Use
Visual check of 
regulator and pressure
Visual check of torch
electrode and shield cup
Weekly
Visually inspect the torch 
body and consumables
Visually inspect the
cables and leads.
Replace as needed
3 Months
Clean
exterior
of power supply
6 Months
Replace all 
broken parts
Visually check and 
Carefully clean the 
interior
Maintain more often
if used under severe
conditions
Gas and
air lines
Art # A-07725
Visually inspect the Wire
feed mechanisms 
WA
RN
ING
PO
WE
R
10
A
RE
MO
TE
LO
CA
L
CO
NT
AC
TO
R
SECTION 7:
SERVICE
7.01 Maintenance
NOTE
For units with integrated coolers, check the fluid levels and refill as needed. Check torch connec-
tions for leaks and then check for return flow of coolant to the resevoir.
