Tweco A80-A120 CutMaster - Manual (Page 79)

CUTMASTER A80, A120
Manual 0-5119 SERVICE
5-7
7. Remove the filter element assembly through
the rear opening.
NOTE
If replacing or cleaning just the filter element
refer to the following illustration for disassembly.
Art # A-07990
Filter Element
8. Install the new or cleaned assembly by revers-
ing these procedures.
9. Turn ON the air supply and check for leaks
before reinstalling the cover.
Optional Single-Stage Filter Element
Replacement
These instructions apply to power supplies where the
optional Single-Stage Filter has been installed.
The Power Supply shuts down automatically when
the Filter Element becomes completely saturated. The
Filter Element can be removed from its housing, dried,
and reused. Allow 24 hours for Element to dry. Refer
to Section 6, Parts List, for replacement filter element
catalog number.
1. Remove power from power supply.
2. Shut OFF air supply and bleed down system
before disassembling Filter to change Filter
Element.
3. Disconnect gas supply hose.
4. Turn the Filter Housing Cover counter-
clockwise and remove it. The Filter Element
is located inside the Housing.
Art # A-02476
Filter
Element
(Cat. No. 9-7741)
Housing
Cover
Barbed
Fitting
Spring
Assembled Filter
O-ring
(Cat. No. 9-7743)
Optional Single-Stage Filter Element Replacement
5. Remove the Filter Element from the Housing
and set Element aside to dry.
6. Wipe inside of housing clean, then insert the
replacement Filter Element open side first.
7. Replace Housing on Cover.
8. Reattach gas supply.
NOTE
If unit leaks between housing and cover, inspect
the O-Ring for cuts or other damage.
Optional Two-Stage Filter Element
Replacement
The Two-Stage Air Filter has two Filter Elements.
When the Filter Elements become dirty the Power
Supply will continue to operate but cut quality may
become unacceptable. Refer to Section 6, Parts List,
for replacement filter element catalog number.
1. Shut OFF primary input power.
2. Shut OFF air supply and bleed down system.
!
WARNING
Always turn OFF the air supply and bleed the
system before disassembling the Filter Assembly
as injury could result.
3. Loosen the two bolts on the top of the Filter
Assembly enough to allow the Filter Elements
to move freely.
4. Note the location and orientation of the old
Filter Elements.