Tweco A80-A120 CutMaster - Manual (Page 25)

CUTMASTER A80, A120
Manual 0-5119 INSTALLATION
3-3
7. With a little slack in the wires, tighten the
through - hole protector to secure the power
cable.
8. Reinstall the Power Supply cover see subsec-
tion B.
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.
3.05 Gas Connections
Connecting Gas Supply to Unit
The connection is the same for compressed air or high
pressure cylinders. Refer to the following subsections
if an optional air line filter is to be installed.
1. Connect the air line to the inlet port. The il-
lustration 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 passages in the torch.
Art # A-08320
Inlet Port
Filter Assembly
Hose Clamp
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
filtering 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 illustra-
tion shows typical fittings as an example.
NOTE
For a secure seal, apply thread sealant to the
fitting threads, according to the 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 passages in the torch.
Connect as follows:
Art # A-08319
Hose Clamp
1/4 NPT to 1/4"
(6mm) Fitting
Inlet Port
Gas Supply
Hose
Filter Assembly
Optional Single - Stage Filter Installation
Using High Pressure Air Cylinders
When using high pressure air cylinders as the air
supply:
1. Refer to the manufacturer’s specifications for
installation and maintenance procedures for
high pressure regulators.