Altronic AGV5 Series Manuale utente
ALTRONIC AGV5 SERVICE MANUAL
GAS METERING VALVE FORM AGV5 SM 11-03
ALTRONIC ,INC.
712 TRUMBULL AVE.
GIRARD, OHIO 44420
GAS METERING VALVE
AGV5-1
AGV5-1A
AGV5-2
AGV5-2A
IMPORTANT SAFETY NOTICE
PROPER INSTALLATION, MAINTENANCE, REPAIR AND OPERATION OF
THIS EQUIPMENT IS ESSENTIAL. THE RECOMMENDED PRACTICES
CONTAINED HEREIN SHOULD BE FOLLOWED WITHOUT DEVIATION. AN
IMPROPERLY INSTALLED OR OPERATING VALVE SYSTEM COULD CAUSE
PERSONAL INJURY TO OPERATORS OR OTHER NEARBY PERSONNEL.
-2-
TABLE OF CONTENTS ALTRONIC AGV5 SERVICE MANUAL
SECTION ITEM PAGE
1.0 VALVE SERVICE AND REPAIR MANUAL OVERVIEW 3
2.0 PARTS IDENTIFICATION 5
3.0 REPLACEMENT OR UPDATE OF PCB ASSEMBLY 13
4.0 REPLACEMENT OF THE PRESSURE TRANSDUCER 17
5.0 PRESSURE TESTING OF AGV5 VALVE 18
-3-
1.0 AGV5 SERVICE AND REPAIR MANUAL OVERVIEW
The AGV5 Gas Metering Valve has been designed to provide reliable operation with a minimum
amount of maintenance. To ensure optimum performance, periodic inspection and cleaning is
necessary.
Preventative maintenance issues can be integrated into the current maintenance schedule of the
engine. Most maintenance requires little effort and no downtime of the AGV5 valve.
Corrective maintenance is to be done when the AGV5 Gas Metering Valve begins to behave
erratically. Procedures have been generated to troubleshoot and to repair most minor issues.
• External Visual Inspection – Inspect the exterior of the valve for loose connections, frayed
wires or major structural damage.
• Cleaning – Exterior cleaning will aid in the visual inspection of the external casing and ensure
good connections. Ethyl alcohol or mild soapy water can be used as cleaning agents.
• Maintenance Log – To facilitate troubleshooting and to establish service schedules, a
maintenance log should be kept on the valve.
•Calibration – Calibration of the AGV5 is performed in a controlled environment before
shipment. Since calibration of the valve requires equipment not normally available in the field,
it is recommended that the device be returned to the Altronic distributor serving your area.
Throughout this service manual service parts will be identified by the item number assigned to them
in the parts list. For example, (1a) and its position inside the AGV5 device can be found by locating
that item number on Fig.1A.
AGV UPDATES
• In addition to the standard procedures, older AGV5 units below S/N 1400 will require more
items (such as the pressure transducer and transducer housing) to be changed. These items
and procedures are identified by specific notes (“When Updating Units below S/N 1400")
within the appropriate sections of the manual.
• In addition to the repair of malfunctioning units, instructions are given in SECTION 3.0 which
describe the process of updating an AGV5 to the current configuration of PCB assembly.
FIG.1A PART IDENTIFICATION
WHITE
GREEN
COVER
CONTROL HOUSING
ASSEMBLY
ACTUATOR
ASSEMBLY
PORT
ASSEMBLY
TERMINAL WIRING
TOP VIEW
0
GREEN
-5-
2.0 PARTS IDENTIFICATION
2.1 PARTS LIST - AGV5
Reference exploded view on 1A.
ITEM NO. QUANTITY PART NO. DESCRIPTION
1 1 881002-KT PCB Field Retrofit Kit
1a 1 872005 PCB Assembly, Logic
1b 1 810114 Bushing, Magnet
1c 1 810112 Assembly, Magnet Holder
1d 4 801008 Washer, Flat #4
1e 4 801009 Washer, Lock #4
1f 4 801010 Screw, 4-40
11 1 50301008 Actuator Assembly
12 1 50303018 Control Housing Assembly
20 6 801058 Bolt, 1/4-28 x 2"
FIG.1B PART IDENTIFICATION
NOTE: DRAWING SHOWS CURRENT CONFIGURATION
OF VALVE, SOME MINOR DIFFERENCES
MAY
EXIST ON OLDER UNITS PRIOR TO S/N 2001
-7-
2.2 PARTS LIST - AGV5
Reference exploded view on 1B.
ITEM NO. QUANTITY PART NO. DESCRIPTION
1 1 881002-KT PCB Field Retrofit Kit
1a 1 872005 PCB Assembly, Logic
1b 1 810114 Bushing, Magnet
1c 1 810112 Assembly, Magnet holder
1d 4 801008 Washer, Flat #4
1e 4 801009 Washer, Lock #4
1f 4 801010 Screw, 4-40
2 1 820020 Valve Repair Kit
2a 1 810033 O-ring
2b 1 810038 O-ring
2c 1 810035 O-ring
2d 2 810023 O-ring
2e 1 810024 O-ring
2f 1 810036 O-ring
2g 1 810037 O-ring
2h 1 810027 O-ring
2i 1 810025 O-ring
2j 1 810031 O-ring
2k 1 803020 O-ring Lube
3 3 801018 Screw, 10-32
4 1 50303076 Valve Seat, Primary
5 1 50303086 Valve Seat, Secondary
6 3 50303066 Spacer
7 1 50303056 Poppet, Metering
8 1 801015 Spring
9 3 801011 Screw, 6-32
10 1 50303046 Perch, Spring
11 1 50301008 Assembly, Actuator
12 1 50303018 Assembly, Control Housing
13 6 801014 Bolt, 1/4-28
14 1 50303026 Guide, Anti-rotation
15 1 50301096 Piston, Balance
16 1 50301106 Cap, Balance Piston
17 1 801002 Washer
18 1 50301166 Nut
19 1 820022 Pressure Transducer Housing Kit
26 6 801006 Screw, 8-32 x 1"
FIG.1C PART IDENTIFICATION
ACTUATOR HOUSING
MAGNET ASSEMBLY
POPPET ASSEMBLY
-9-
2.3 PARTS LIST - AGV5
Reference exploded view on 1C.
ITEM NO. QUANTITY PART NO. DESCRIPTION
1 1 881002-KT PCB Field Retrofit Kit
1a 1 872005 PCB Assembly, Logic
1b 1 810114 Bushing, Magnet
1c 1 810112 Assembly, Magnet Holder
1d 4 801008 Washer, Flat #4
1e 4 801009 Washer, Lock #4
1f 4 801010 Screw, 4-40
2 1 820020 Valve Repair Kit
2a 1 810033 O-ring
2b 1 810038 O-ring
2c 1 810035 O-ring
2d 2 810023 O-ring
2e 1 810024 O-ring
2f 1 810036 O-ring
2g 1 810037 O-ring
2h 1 810027 O-ring
2i 1 810025 O-ring
2j 1 810031 O-ring
2k 1 803020 O-ring Lube
20 1 801002 Washer, Flat
21 1 50301106 Cap, Balance Piston
22 1 810024 O-ring
23 1 50301096 Piston, Balance
24 1 810026 Plug, Hex
25 1 50301166 Nut, Balance Piston
FIG.1D PART IDENTIFICATION
NOTE:
FOR UPDATE KIT 820022 (IT.19),
ALL
COMPONENTS SHOWN COME
PREASSEMBLED AND TESTED. 820022 KIT ALSO INCLUDES
A SPECIAL MAGNET HOLDERASSEMBLY WITH A 10-32
THREAD TO FIT VALVES BELOW S/N 1400.
~
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