Tweco 1000 Merlin(Sept1999) - Manual (Page 47)

Manual 0-2731 43 SERVICE
5.08 Power Supply Parts
Replacement
WARNING
Disconnect primary power at the source before as-
sembling or disassembling the Power Supply, torch
parts, or torch and leads assemblies.
A. Left Side Panel Removal
The Left Side Panel of the Power Supply is the panel on
the left side of the unit as viewed from the front of the
unit.
NOTE
There is a ground wire connected to the inside of
the side panel. Use caution when removing.
1. Remove the eight screws securing the left side panel
to the frame assembly.
2. Loosen the two bottom screws in the slotted holes.
A-02347
Figure 5-5 Removing Left Side Panel
3. Pull the top of the Panel out and then lift up to remove
the panel from the Power Supply a short distance (see
note).
NOTE
There is a ground wire attached to the inside of the
side panel.
4. Remove the nut securing the ground wire to the side
panel.
5. To reinstall the left side panel do the following:
a. Place the left side panel onto the frame and slide
the top edge under the lip on the top panel.
b. Reinstall all the screws to secure the left side panel.
B. Fuse Replacement
1. Remove the left side panel per paragraph "A"
above.
2. Locate the internal fuse near the top of the center
chassis on the left side of the unit.
3. Replace the fuse (5 amp, 600V).
4. Reinstall the left side panel per paragraph "A"
above.
A-02357
Fuse
Center Chassis
Figure 5-6 Internal Fuse Location
C. Coolant Filter Assembly Replacement
The Coolant Filter Assembly is located on the rear panel
of power supply.
1. Remove the two Coolant Hose connections to the
Coolant Filter Assembly.