Val-Matic 50 Series Air Release Valve (Compound Lever Type) - Manual (Page 5)

4
SIZE TORQUE (FT-LBS)
7/16" 30
1/2" 45
7/8" 202
DISASSEMBLY (Cont'd)
4. To remove lever frame (3), remove two
round-head fasteners (8). Rotate seat (4)
counter-clockwise to remove.
5. Remove locknut (18) and orifice button (11)
from orifice button arm (22).
6. Clean and inspect parts. Note: some floats
contain sand for extra weight; if water is
detected, replace float. Replace worn parts
as necessary.
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
on page 2.
1. Apply Loctite PST No. 565 thread sealant to
seat (4) and assemble to cover with
maximum torque of 20 ft-lbs; DO NOT
OVER-TORQUE.
2. Assemble lever frame (3) to cover over
locating pin (21) in cover. Secure with
screws (8) and washers (30).
3. Install new orifice button (11) flush to arm
(22). Assemble lockwasher (34) and locknut
(18) over orifice button but do not tighten.
4. Connect arms (10 & 22) and assemble to
lever frame (3) with four pivot pins (12) and
retaining rings (13); rings should snap over
pins.
5. Adjust orifice button (11) so that orifice button
arm (22) slopes up about 1/16" when resting
gently against seat (4) as shown in Figure 4.
Secure button by tightening lockwasher (34)
and nut (18).
6. Attach float (5) by installing last pivot pin (12)
into lever frame (3). Float should move freely
pressing the orifice button (11) against the
seat (4) when pushed upward. Verify that all
retainer rings (13) are properly secured.
7. Assemble gasket (6) and cover (2) over bolt
holes in body (1).
8. Insert lubricated bolts (7) and tighten to the
torques listed in Table 2.
9. Place valve back in service. Refer to the
Installation instructions on page 2. Slowly
open inlet isolation valve.
TABLE 2. VALVE COVER BOLT TORQUES
FIGURE 4. ORIFICE BUTTON ADJUSTMENT
(See REASSEMBLY, Step 5)
PARTS AND SERVICE
Parts and service are available from your local
representative or the factory. Make note of the
valve Model No and Working Pressure 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.