ESAB CUTMASTER 80
OPERATION Manual0-5396
4-2
10. Pressure Indicators
PSI BAR
MAX MAX
MINMIN
80
75
70
65
5.5
85 5.9
90 6.3
5.2
4.8
4.5
Art # A-08170
The Indicators will illuminate according to the pres-
sure set by the Pressure Control Knob (number 4).
4.02 Preparations for Operation
Atthestartofeachoperatingsession:
WARNING
Disconnect primary power at the
source before assembling or disas-
semblingpowersupply,torchparts,
or torch and leads assemblies.
Torch Parts Selection
Check the torch for proper assembly and appropriate
torch parts. The torch parts must correspond with
thetypeofoperation,andwiththeamperageoutput
of this Power Supply (80 amps maximum). Refer to
Section 4T.07 and following for torch parts selection.
Torch Connection
Check that the torch is properly connected. Only
ESAB model SL60 / Manual or SL100 / Mechanical
Torches may be connected to this Power Supply.
See Section 3T of this manual.
Check Primary Input Power Source
1. Check thepowersource for properinputvolt-
age. Make sure the input power source meets
the power requirements for the unit per Section
2,Specications.
2. Connect the input power cable (or close the main
disconnect switch) to supply power to the system.
Air Source
Ensure source meets requirements (refer to Section
2).CheckconnectionsandturnairsupplyON.
Connect Work Cable
Clamp the work cable to the workpiece or cutting
table.Theareamustbefreefromoil,paintandrust.
Connectonlytothemainpartoftheworkpiece;do
not connect to the part to be cut off.
Power ON
PlacethePowerSupplyON/OFFswitchtotheON
(up) position. AC indicator turns ON.
GasindicatorturnsONifthereissufcientgas
pressure for power supply operation and the cooling
fansturnON.
NOTE!
Minimum pressure for power supply
operation is lower than minimum for
torch operation.
ThecoolingfanswillturnONas
soonastheunitisturnedON.After
the unit is idle for ten (10) minutes
the fans will turn OFF. The fans will
comebackONassoonasthetorch
switch(StartSignal)isactivatedorif
theunitisturnedoff,thenturnedON
again.Ifanovertemperaturecondi-
tionoccurs,thefanswillcontinueto
run while the condition exists and for
a ten (10) minute period once the
condition is cleared.
Set Operating Pressure
1. Place the Power Supply Function Control knob
to the SET position. Gaswillow.
2. ForStandoffcutting,adjustgaspressurefrom70
- 85 psi / 4.8 - 5.9 bar (LED's in center of control
panel). Refer to the Standoff chart for pressure
setting details.