Thermal Dynamics Cutmaster 82, Service Manual

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cutmaster 82
PARTS REPLACEMENT 7-4 Manual 0-4980
7. Install the replacement Logic PCB by reversing
the above steps.
8. Reinstall the power supply cover.
G. ON/OFF Switch (SW1) Replacement
Tools required: T20 Torx Driver
1. Remove the cover per subsection 7.04A
2. Disconnect the wires on the rear of the switch,
noting the location and orientation of each wire
as shown below.
Switch
4 3
2 1
Art # A-08169
3. Squeeze together the clips on the back of the
switch, then remove the switch through the front
panel.
4. Install the replacement switch by reversing the
above steps.
5. Reinstall the power supply cover
H. Work Cable Replacement
Tools required: T20 Torx Driver
1. Remove the Cover per subsection 7.04A.
2. Disconnect the work cable from the WORK1
terminal on the Main PCB.
3. Squeeze the top and bottom of the Work Cable
Strain Relief and remove from the front panel.
4. Install the replacement Work Cable by reversing
the above steps.
5. Reinstall the power supply cover
7.06 Left Side Internal Parts
Replacement
A. Fan Replacement
Tools required: T20 Torx Driver
1. Remove the Cover per subsection 7.04A
2. Unplug J7 and J8 connectors from Main PCB.
3. Carefully feed the fan wires through the center
chassis wire slot.
4. Remove the fan by pushing the fan retaining
clips apart and pulling the fan out of the center
chassis.
5. On the replacement fan(s) note the direction of
air flow as labeled on the fan housing and orient
so fan will blow air into the unit.
6. Install replacement fan by reversing the above
steps.
7. Reinstall the power supply cover
B. Main Transformer (T1) Replacement
Tools required: T20 Torx Driver, ½” Nut Driver
1. Remove the Cover per subsection 7.04A
2. Remove the Tube Handle per subsection 7.04C
3. Remove the two large and one small gas hoses
per subsection 7.05C
4. Remove the Gas Solenoid per subsection 7.05E
5. Disconnect the transformer wires from terminals
PRI 1 (A), PRI 2 (B), PRI 3 (C), PRI 4 (D), SEC1,
SEC2 on the Main PCB.
6. Disconnect J2 & J3 connectors from Main PCB.
7. Remove the two screws securing the Center
Chassis to the base.
8. Loosen the two screws on the Input Power Cable
strain relief.
9. Disengage the Rear panel from the base per sec-
tion 7.04D.
10. Guide the rear panel back six (6) inches away
from the base.
11. Guide the Center Chassis towards the center of
the base to disengage the bottom locking tabs
securing the Chassis to the base.
12. Carefully guide the Center Chassis up far enough
to lay the Chassis down to the right side of the
unit.