Armstrong-Yoshitake, Inc. GD-30 Instructies voor installatie en onderhoud - Pagina 4

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Disassembly

1. Eliminate pressure from inside the valve. Make

sure the valve is completely free from pressure.

2. Pull up and turn the handle (22) in the direction

(counterclockwise) as shown on the nameplate

of the handle to make the adjusting spring (13)

free (not loaded).

3. Remove the bolts (19) and take away the spring

housing (2) (the handle cannot be disassembled).

Take out the adjusting spring (13), bellows (9)

and spindle (6).

4. Unscrew (counterclockwise) the cap (3) and take

out the main valve spring (7), screen (8) and

spindle (5) from the body (1).

Armstrong-Yoshitake, Inc.

221 Armstrong Blvd., P.O. Box 408, Three Rivers, Michigan 49093 - USA Ph: (616) 279-3600 Fax: (616) 273-8656

Steam Traps \ Humidifiers \ Steam Coils \ Valves \ Air Vents \ Pumping Traps \ Water Heaters

Bulletin No. AY-764-B 5/01

www.armstrong-intl.com

GD-30 1-1/2 - 2"

Nameplate (24)

Bush Nut & Spring (23)

Handle (22)

Large Spring

Pin (20)

Bolts (19)

Spring Housing (2)

Bearing (17)

Flat Washer (18)

Spring Plate (11)

Adjusting Screw (12)

Adjusting Spring (13)

Bottom Spring

Plate (10)

Reassembly

1. Check all parts to make sure they are in good

condition before putting back together.

2. Lap spindle (5) and valve seat (4) with 1000 grit

lapping compound if needed to ensure no

leakage.

3. Reassemble in reverse order as disassembly.

Note: Replace all gaskets where disassembly is required.

(Adjusting Screw)

Small Spring

Pin (24)

Nameplate (24)

Rivet (25)

Bellows (9)

Bellows Gasket (14)

E-Ring (16)

Spindle (6)

Body (1)

Valve Seat (4)

Spindle (5)

Main Valve

Spring (7)

Screen (8)

Cap Gasket (15)

Cap (3)

Printed in U.S.A.