Thermal Dynamics CUTMASTER 81, Руководство по обслуживанию

Страница: 42 / 88

REPLACEMENT PROCEDURES 5-2 Manual 0-2957
Before disassembling any part of the Power Supply first
read the procedure for the part to be replaced, then pro-
ceed with the disassembly.
5.04 Major External Parts
Replacement
Refer to Section 6.03 for Major External Replacement Parts
and overall detailed drawing.
WARNING
Disconnect primary power from the source before
opening or disassembling the power supply.
A. Cover Removal and Replacement
1. Remove the upper screws securing the cover to
the unit. Loosen the lower screws securing the
cover to the base.
Art # A-03792
Lower
screws
Upper screws
Ground wire
Lower
screws
2. Carefully lift the cover up and away from the unit
for access to the ground wire connection on the
inside of the cover.
3. Remove the nut and washer from the ground stud
on the inside of the cover.
4. Install the replacement cover by reversing the above
steps.
B. Tube Handle Replacement
1. Remove the cover per subsection 5.04-A.
2. Remove the Fan Assembly Panel per section
5.08-C.
3. Remove the four bolts and star washers securing
the frame to the base of the unit.
4. Move the input power cable, torch leads and work
cable inside the handle. Lift the base of the unit
away from the Tube Handle. Leave the rear panel
fastened to the base assembly.
5. With a rubber mallet, separate the two handle
ends as shown below.
6. Install the replacement Tube Handle by revers-
ing steps 1-4.
7. Replace the Fan Assembly Panel per section 5.08-
C.
8. Re-install the Power Supply cover.
Art # A-02847