Armstrong GD-10N Istruzioni per l'installazione e la manutenzione - Pagina 2
Sfoglia online o scarica il pdf Istruzioni per l'installazione e la manutenzione per Unità di controllo Armstrong GD-10N. Armstrong GD-10N 2. Pressure reducing valve
Stampa la pagina4. Slowly turn the adjusting screw clockwise until the
desired pressure is obtained on the downstream
pressure gauge.
Troubleshooting Guide and Disassembly Instructions
Problem
The desired pressure
cannot be obtained
The outlet pressure rises
higher than the specified
pressure.
Disassembly of Body
Turn the valve guide counterclockwise and
remove it from the body. Pull out and
remove the valve and spring.
Disassembly of Diaphragm
1. Slightly loosen the lock nut (16) and turn
the handle counterclockwise to unload
the adjusting spring (17).
2. Remove the lock nut (16) and remove the
bonnet (?) from the body(1). Pull out and
remove the top spring plate (6), adjusting
screw (15), and diaphragm (19).
Notes To Reassemble
1. Check to be sure the disc (9) and the seat
(12) are not flawed.
2. Apply grease to the "O" ring (27).
3. Attach the diaphragm (19) to the specified
location without twisting.
Armstrong-Yoshitake, Inc.
Bulletin No. AY-741-A
1/01
The inlet pressure is not suitable.
The valve size is excessively smaller that what is required Change to the appropriate size.
The inlet strainer is clogged by a foreign substance
The pressure gauge is out of order.
The valve and the valve seat are clogged by a foreign
substance
The "O" ring is damaged
, 221 Armstrong Blvd., P.O. Box 408, Three Rivers, Michigan 49093 - USA Ph: (269) 279-3600 Fax: (269) 273-8656
5. Slowly open the outlet valve to the fully open position.
6. After adjustment, fasten the lock nut.
Cause
Bolt (22)
O-Ring (27)
Guide (13)
Guide Pipe
(26)
Body (1)
Valve Seat
(12)
Spindle (8)
Disc (9)
Valve (7)
Flat Washer
(10)
Nut (11)
Spring (18)
Gasket (23)
Bottom Cap
(2)
www.armstrong-intl.com
Solution
Change the pressure to the
appropriate level.
Disassemble and clean the strainer
Replace the gauge
Disassemble and clean the valve
seat
Replace the "O" Ring
Adjusting Screw (15)
Locknut (16)
Spring Housing (3)
Nameplate
Top Spring Plate (6)
Adjusting Spring (17)
Nut (21)
Spring Washer (20)
Bottom Spring Plate (5)
Diaphragm (19)
Gasket (25)
Diaphragm Stopper (14)
Gasket (24)
Rivet (29)
Printed in U.S.A.