Tweco PakMaster 75XL Plus - Manual (Page 27)

Manual 0-2746 21 SECTION 4: OPERATION
3. Gas Pressure Regulator/Filter Assembly
Pressure regulator to adjust the input gas pressure to
the Power Supply. An air line filter is supplied as part
of the pressure regulator.
4. Optional Filters
a. Dry Air Filter Assembly
This optional in-line filter removes moisture and con-
taminants from the air stream when using compressed
air. The filter is capable of filtering to at least .85 mi-
crons.
1
2
3
4
A-02460
Figure 4-5 Rear Panel Showing Optional Dry Air
Filter
b. Two Stage Air Line Filter
An alternative to the Dry Air Filter, this optional filter
will also remove moisture and contaminants from the
air stream when using compressed air. Filters to 5
microns.
A-00924
1
2
3
4
Figure 4-6 Rear Panel Showing Optional Two Stage
Air Filter
4.04 Sequence of Operation
The following is a typical sequence of operation for this
cutting system. Refer to Appendix II for a block diagram.
1. Close main power source disconnect.
a. AC power is available at the Power Supply.
2. Place RUN/SET/LATCH switch to RUN mode.
3. Place the ON/OFF power switch on the front panel
of the Power Supply to ON.
a. AC Power indicator LED blinks ON and OFF
for eight seconds then stays ON.
b. Fans turn on.
4. Place RUN/SET/LATCH switch to SET mode.
a. Gas solenoid opens and gas flows to set pres-
sure.
b. GAS indicator turns ON.