Thermal Dynamics CUTMASTER 81, Руководство по обслуживанию

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Manual 0-2957 5-3 REPLACEMENT PROCEDURES
5.05 Front Panel Parts Replacement
Refer to Section 6.04 for Front Panel Replacement Parts
and overall detailed drawing.
WARNING
Disconnect primary power from the source before
opening or disassembling the power supply.
A. Current (A) Control Knob Replacement
1. Turn the control knob fully clockwise and note
the location of the pointer on the knob.
2. Loosen the screw securing the Knob to the poten-
tiometer shaft and remove the Knob.
3. Place the replacement Knob on the potentiometer
shaft with the location of the pointer the same as
noted in step 1.
4. Tighten the screw to secure the knob to the po-
tentiometer shaft.
B. ON/OFF Switch Replacement
1. Remove the cover per subsection 5.04-A.
2. Disconnect the wires on the rear of the ON/OFF
Switch. Note the location of each wire, as shown
below:
Art # A-02774
Wire #21
Wire #24
Top clip
Wire #22
Wire #23
3. Squeeze together the clips on the top and bottom
of the Switch. Remove the Switch through the
Front Panel.
4. Install the replacement Switch by reversing the
above steps.
C. RUN RAPID AUTO RESTART / SET Switch
Replacement
1. Remove the cover per subsection 5.04-A.
2. Disconnect the wires on the rear of the Switch.
Note the location of each wire, as shown:
Art # A-03906
Wire #25
Wire #26
Top clip
Wire #46
3. Squeeze together the clips on the top and bottom
of the Switch, then remove the switch through the
Front Panel.
4. Install the replacement Switch by reversing the
above steps.
D. POT/LED PC Board Replacement
Follow the antistatic procedures provided in subsection
5.02.
1. Remove the cover per subsection 5.04-A.
2. Remove Current Knob per Subsection 5.05-A.
3. Disconnect wire harness Connector from POT/
LED PC Board.
4. Remove PC Board from standoffs.
5. Install the replacement POT/LED PC Board by
reversing the above steps.
E. Work Cable Replacement
1. Remove the cover per subsection 5.04-A.
2. Disconnect the Work Cable from the E61 (WORK)
terminal on the Power Output PC Board, located
on the right side of the unit.
3. Squeeze the top and bottom of the Work Cable
Strain Relief and remove from the Front Panel.
4. Remove Work Cable from the unit.
5. Install the replacement Work Cable.
a. Ensure that the replacement Work Cable
passes through the grommet in the Fan Assem-
bly Panel.
b. Secure the Cable to the Work terminal on the
Power Output PC Board and securing the
strain relief.