Tweco 25mm Cutmaster - Manual (Page 26)

CUTMASTER 25MM
INSTALLATION Manual 0-5080
3-2
4. Using a customer supplied four - conductor input
power cable for the voltage desired, strip back
the insulation on the individual wires.
5. Pass the cable being used through the access
opening in the back panel of the power supply.
Refer to Section 2 for power cable specifications.
CAUTION
The primary power source and power cable
must conform to local electrical code and the
recommended circuit protection and wiring
requirements (refer to table in Section 2).
6. Connect the wires as follows.
• Set Jumper wires on the contactor. See illus-
tration.
• Green / Yellow wire to Ground.
• Remaining wires to L1, L2 and L3 input. It
does not matter what order these wires are
attached. See the previous illustrations.
7. With a little slack in the wires, tighten the through
- hole protector to secure the power cable.
8. Reinstall the Power Supply cover per instructions
found in section 5.
9. Connect the opposite end of individual wires to
a customer supplied plug or main disconnect.
10. Connect the input power cable (or close the main
disconnect switch) to supply power.
3.04 Gas Connections
Connecting Gas Supply to Unit
The connection is the same for compressed air or high
pressure cylinders. Refer to the following two subsec-
tions if an optional air line filter is to be installed.
1. Connect the air line to the inlet port. The illustra-
tion shows typical fittings as an example.
NOTE
For a secure seal, apply thread sealant to the
fitting threads, according to manufacturer's
instructions. Do not use Teflon tape as a
thread sealer, as small particles of the tape
may break off and block the small air pas-
sages in the torch.
Art # A-07943
Hose Clamp
Regulator/Filter
Assembly
Inlet Port
Gas Supply
Hose
1/4 NPT or ISO-R
to 1/4” (6mm) Fitting
Air Connection to Inlet Port
Installing Optional Single - Stage Air Filter
An optional filter kit is recommended for improved fil-
tering with compressed air, to keep moisture and debris
out of the torch.
1. Attach the Single - Stage Filter Hose to the Inlet
Port.
2. Attach the Filter Assembly to the filter hose.
3. Connect the air line to the Filter. The illustration
shows typical fittings as an example.
NOTE
For a secure seal, apply thread sealant to the
fitting threads, according to the maker's in-
structions. Do Not use Teflon tape as a thread
sealer, as small particles of the tape may break
off and block the small air passages in the
torch. Connect as follows: