Tweco FP-55 - Manual (Page 19)

Manual 0-2846 3-3 INSTALLATION
D. Installing Optional Single-Stage Air Filter
Additional filtering is recommended when using air from
a compressor to insure that moisture and debris from the
supply hose does not enter the torch. Although the Pres-
sure Regulator does have its own filter, the optional
Single-Stage Air Filter is recommended for improved fil-
tering. The optional in-line filter is highly effective at
removing moisture and particulate matter from the air
stream to at least 0.85 microns.
Connect the gas supply as follows:
1. Attach the Single-Stage Air Filter Kit to the Regu-
lator/Filter Assembly inlet port as shown. The il-
lustration shows typical fittings as an example.
Other fittings may be used. Install the fittings and
tighten.
NOTE
For a secure seal, apply thread sealant to the fit-
ting threads, according to manufacturer's instruc-
tions. Do Not use teflon tape as a thread sealer as
small particles of the tape may break off and block
the small gas passages in the torch.
A-02784
Filter
Assembly
1/4 NPT Hose Fitting
1/4" (6 mm) Gas Supply Hose
Regulator/Filter
Assembly & Bracket
Inlet Port
Hose Clamp
Filter
Hose
Figure 3-2a Optional Single-Stage Air Filter
Installation (units with type A Regulator/Filter)
A-03000
Regulator/Filter
Assembly Inlet Port
Bowl
1/4 NPT Hose Fitting
1/4" (6 mm) Gas Supply Hose
Hose Clamp
Figure 3-2b Optional Single-Stage Air Filter
Installation (units with type B Regulator/Filter)
E. Using High Pressure Gas Cylinders
Refer to the following when using high pressure gas cyl-
inders as the gas supply:
CAUTION
Pressure should be set at 100 psi (6.9 bar) at the
high pressure gas cylinder regulator.
1. Refer to the manufacturer’s specifications for in-
stallation and maintenance procedures for high
pressure gas regulators.
2. Examine the cylinder valves to be sure they are
clean and free of oil, grease or any foreign mate-
rial. Momentarily open each cylinder valve to blow
out any dust which may be present.
3. The cylinder must be equipped with an adjustable
high-pressure regulator capable of outlet pressures
up to 100 psi (6.9 bar) maximum and flows of up
to 200 scfh (94.3 lpm).
4. Slide the gas supply hose over the barbed fitting.
5. Secure the gas supply hose in place with the ad-
justable hose clamp.
NOTE
Supply hose must be at least 1/4 inch hose (6 mm)
I.D.