TLV COS Série Manuel D'utilisation page 18

Check for any fault on the seat of the pilot valve, flaws on the gaskets, and clogging of the pilot
screen. Check for deformation, corrosion or faults on the diaphragm. The diaphragm should be
convex (open downward), with the printed UP mark on the top.
/
1
15 - 50 mm ( " - 2")
2
Pilot Body
Upper Pilot
Body Gasket
Notch
Pilot Screen Holder
(with Gasket)
/
1
65 - 150 mm (2 " - 6")
2
Pilot Body
Upper Pilot
Body Gasket
Notch
Pilot Screen Holder
(with Gasket)
Lower Pilot
Body Gasket
Pilot Cover
Sensing Line Plug
Bolt
Pilot Screen
Sensing Line Plug
Connecting
Pilot
Tubes
Screen
̶ 17 ̶
Pilot Valve Seat
(with Gasket)
Bolt
Bolt
Diaphragm
Pilot Valve
Pilot Valve Spring
Diaphragm
Pilot Valve Seat
(with Gasket)
Pilot Valve
Pilot Valve Spring