Tweco 40mm Cutmaster - Manual (Page 60)

CUTMASTER 40mm
SERVICE 5-6 Manual 0-5084
5.06 Power Supply Basic Parts
Replacement
WARNING
Disconnect primary power to the system before
disassembling the torch, leads, or power supply.
This section describes procedures for basic parts
replacement. For more detailed parts replacement
procedures, refer to the Power Supply Service
Manual.
A. Cover Removal
1. Remove the NOTE screws which secure
the cover to the main assembly. Do not
loosen the lower screws inside the cut out
slots in the bottom of the cover.
Art # A-08429
Lower
Screws
Lower
Screws
Slots
Upper
Screws
2. Carefully pull the Cover up and away from
the unit.
B. Cover Installation
1. Reconnect the ground wire, if necessary.
2. Place the cover onto the power supply so
that slots in the bottom edges of the cover
engage the lower screws.
3. Tighten lower screws.
4. Reinstall and tighten the upper screws.
C. Filter Element Assembly Replacement
The Filter Element Assembly is in the rear panel.
For better system performance, the filter element
should be checked per the Maintenance Schedule
(Subsection 5.02), and either cleaned or replaced.
1. Remove power from the power supply;
turn OFF the gas supply and bleed down
the system.
2. Remove the system cover. See "A Cover
Removal" in this section.
3. Locate the internal air line and the fitting
from the filter assembly. Number 1 in the
following illustration.
4. Hold a wrench or similar tool against the
locking ring on the filter assembly fitting,
then pull on the hose to release it. (Num-
bers 2 and 3 in the following illustration).
Art # A-07989
1
2
3 4
5
6mm