Spare Parts; Troubleshooting - Emerson Tartarini V Series Instruction Manual

Type V/20-2
(See Figure 9)
a. Unscrew the outlet connection (key 9).
b. Unscrew the adjusting nut (key 2), remove the spring
(key 8) and the pad unit (key 4-5-6-7).
c. Disassemble the pad unit parts and replace the pad
(key 6).
d. Check the seat on the valve body.
e. Re-assemble in reverse order.

SParE ParTS

Spare parts storage shall be done by proper procedures
according to national standard/rules to avoid over aging or
any damage.

TrOubLEShOOTING

SymPTOmS
The valve does not open
The valve is not sealed properly
Table 3. General Troubleshooting for V Series Relief Valves
CauSE
Lack of incoming gas
Valve diaphragm is broken
(V/50 and V/60 Series only)
Valve setting is higher than required
Pad is stuck to seat
Tight shutoff gaskets are worn
Deposit of grime on the valve seat.
It can prevent proper closing
Valve setting is lower than required
V Series
aCTIONS
Check the station feeding
To be replaced
Check valve setting
Perform complete valve maintenance
To be replaced
Perform complete valve maintenance
Check valve setting
7