Thermal Dynamics CUTMASTER Service Manual

CUTMASTER 40MM
Manual 0-5085 5-9 SERVICE
D. Initial Set up Conditions
This section is to help isolate the defective circuit
before troubleshooting, identify symptoms, and test
the unit for proper operation. Follow the instructions
as given to identify the possible symptom(s) and the
defective circuit. After repairs are complete, run the
following tests again to verify that the unit is fully
operational.
1. Connect gas supply to rear of Power Supply.
2. Turn ON gas supply and set operating pressure
per pressure setting label on power supply.
3. Set the Power Supply controls as follows:
• ON/OFFSWITCHtoOFFposition
• TurnFUNCTIONCONTROLSWITCHtoSET
position
• CURRENTCONTROLPOTENTIOMETERto
MAXIMUM position, fully clockwise.
E. Main Input and Internal Power Test
1. Connect Primary Line power to the unit.
2. Turn the ON/OFF SWITCH (SW1) to ON position
and observe the following:
• Softwareversionisdisplayed(Seesection5.04
Fault Indicators)
After approximately three (3) seconds
• InrushrelayonPCB1energizes,startingpre-
charging of working capacitors.
• ACandGASIndicatorscomeON
• Gasows
•After4secondsW1energizes
For earlier units, Fan MOT 1 turns ON for one (1)
second then shuts OFF.
3. Adjust the pressure regulator to set the gas pres-
sure as specified in charts.
STANDOFF
CutMaster 102 Gas Pressure Settings
Leads
Length
SL100
(Hand Torch)
SL100
(Mechanized Torch)
Up to 25'
(7.6 m)
75 psi
5.2 bar
75 psi
5.2 bar
Each additional
25' (7.6 m)
Add 5 psi
0.4 bar
Add 5 psi
0.4 bar
DRAG
CutMaster 102 Gas Pressure Settings
Leads
Length
SL100
(Mechanized Torch)
Up to 25'
(7.6 m)
80 psi
5.5 bar
Each additional
25' (7.6 m)
Add 5 psi
0.4 bar
4. Turn FUNCTION CONTROL SWITCH to RUN
position
• SolenoidturnsOFF,gasstopsowing(pres-
sure display may increase slightly when gas
is not flowing)
This completes the Main Input and Internal Power Test.
If the above are all correct then proceed to the next section
"F. Pilot Arc Test". If the unit does not function as stated
above, then note the symptom and proceed to Section
"5.07, Main Input and Internal Power Problems".

Thermal Dynamics CUTMASTER Specifications

General

Brand	Thermal Dynamics
Model	CUTMASTER
Category	Welding System
Language	English