Val-Matic 6-8 Combination Air Valve (Single Housing Type) User Manual
Page 6
5
REASSEMBLY
All parts must be cleaned and gasket surfaces
should be cleaned with a stiff wire brush in the
direction of the serrations or machine marks.
Worn parts, gaskets and seals should be
replaced during reassembly. Refer to Figure 2.
1. Lay cover on flat surface with outlet
faced down. Lay seat (4) in machined
recess and fasten with sleeves (26) and
5/16” retaining screws (8). Tighten to a
maximum of 5 ft-lbs.
2. Apply Loctite 680 to guide bushings (9)
and thread into cover (2) and body (1).
3. Apply Loctite PST pipe sealant to seat
(4A) and thread into cover (2).
4. Assemble float (5A) to float arm (10)
using float retainer screw (17) and
Loctite 680 with Primer T.
5. Assemble lever frame assembly to
cover (2) with screws (8A) and locating
pin (21).
6. Attach lever frame assembly to cover (2)
with screws (8A) and locating pin (21).
7. Screw new orifice button (11) into arm
(10) with lock washer (34) and locknut
(18). Do not tighten nut at this time.
8. Adjust orifice button so that when it is in
light contact with the seat (4A), the arm
(10) slopes away from the cover about
1/16”. Lock orifice button with lock nut
(18).
9. Install new cushion (15) in body and
lower float (5) into body baffle.
10. Lay new cover gasket on clean surface
and apply a gasket compound such as
Permatex #80065 to both surfaces.
Assemble gasket (6) and cover (2) over
boltholes in body (1).
11. Insert lubricated 3/4" cover bolts (7) and
tighten to 150 ft-lbs.
12. Place valve back in service. Refer to
the Installation instructions on page 2.
Slowly open inlet isolation valve.
PARTS AND SERVICE
Parts and service are available from your local
representative or the factory. Make note of the
valve Size and Model No. located on the valve
nameplate and contact:
Val-Matic Valve and Mfg. Corp.
905 Riverside Drive
Elmhurst, IL 60126
PH: 630 / 941-7600
FAX: 630 / 941-8042
A sales representative will quote prices for parts
or arrange for service as needed.