OPERATIVE MANUAL
MN-L20-A1
DC-18-10
MEC-RELA®
- www.mecrela.it – [email protected]
a TERRANOVA® Srl brand
- www.terranova-instruments.com - VAT IT07848810151
Factory & Sales: Via Gramsci 1 – 26827 Terranova dei Passerini (LO) – Italy
Head Office: Via Rosso Medardo 16 – 20159 Milano – Italy Ph: +39 0377 919119 – Fax: +39 0377
855720
Pa
g.
13
/24
6.2
R
EPLACEMENT
O
F
O
N
/O
FF
P
ISTON
D
ISC
O
N
/O
FF
V
ALVE
Separate the actuator from the valve (see section 6.3). In reference to the Fig. 9 for
reverse action actuators and the Fig. 10 for direct action actuators, proceed as follow:
Remove the housing screws (1) gradually in a crisscross way.
Remove the housing lid (2) by loosing the plate locknut (3) and removing the clamp
(5) then replace the disc (4).
Refit all the items in reverse order.
W
ARNING
!
In order to avoid serious damages, when the valve is provided of bellows, take care not to
turn the plug stem (6).
Fig. 9
Fig. 10
