Tweco PAK Master 150XL - Manual (Page 24)

INSTALLATION PROCEDURES 3-8 Manual 0-2864
Plasma Air
Regulator Assemby
A-02332
T-Fitting
Inert-B Fitting
Secondary Air
Regulator Assembly
Secondary Gas
Supply Hose From
Gas Cylinder
Plug Fitting
Barbed Hose Fitting
Gas Supply
Hose Hose Clamp
Plasma Gas
Supply Hose
Figure 3-10 Shop Air and Gas Cylinder Connections
3. Tighten the barbed fitting.
4. Connect the plasma air supply hose (see NOTE) to
the barbed fitting and secure with a customer sup-
plied hose clamp.
NOTES
The customer supplied hose must be at least a #4
hose (1/4 in or 6 mm I.D.) to provide adequate air
flow.
E. Using Plasma Shop Air with Optional Two
Stage Filter Assembly, and Secondary High
Pressure Gas Cylinder
NOTES
Do not use an air line filter with high pressure regu-
lators.
For units where the Optional Two Stage Air Line
Filter has not been factory installed, install the Fil-
ter Assembly according to the instructions provided
with the assembly.
1. Connect the PLASMA Shop Air to the Two Stage Fil-
ter on the rear of the unit per the following:
a. Locate the 1/4 NPT to #4 (6 mm) barbed hose
fitting located inside the Torch Spare Parts Kit.
b. Install the barbed fitting into the input port
(IN) of the Two Stage Air Line Filter.
c. Tighten the barbed fitting.
d. Connect the PLASMA air supply hose (see
NOTE) to the barbed fitting and secure with a
customer supplied hose clamp.
NOTE
The customer supplied hose must be at least a #4
hose (1/4 in or 6 mm I.D.) to provide adequate air
flow.
A-02333
Two Stage
Filter
Assembly
Barbed Hose
Fitting
Gas Supply Hose
to Shop Air
Hose
Clamp
Plasma Air Regulator
Secondary
Air Regulator
Gas Supply Hose
to Gas Cylinder
Figure 3-11 Shop Air with Optional Filter and Gas
Cylinder Connections
2. Connect the SECONDARY gas supply to the rear of
the Power Supply per the following:
a. Remove the Secondary Hose from the Inert-B
Fitting at the Secondary air regulator of the
Power Supply.
b. Connect the customer supplied gas cylinder
supply hose from the secondary gas source to
the Inert-B Fitting on the SECONDARY air
regulator of the Power Supply.
c. Disconnect the unused Secondary gas supply
hose from the T-Fitting and install a customer
supplied 1/4 NPT plug fitting.
3.09 Connecting Torch Leads
WARNING
Disconnect primary power at the source before as-
sembling or disassembling the power supply, torch
parts, or torch and leads assembly.
The instructions for connecting the Torch Leads to the
Power Supply are different depending on the type of
leads. This sub-section covers connecting the Torch for
the following applications: