Product Manual
8
Problem Cause Solution
1. Continuous flow/ leak through the
knob.
1. Diaphragm (9) damaged 1. Replace diaphragm assembly (9).
2. Relieving spherical seating of the
valve cone damaged.
2. Replace the valve cone assembly (13).
3. Dirt found in between the seating
and the valve cone (13.1).
3. Clean and reassemble.
2. Setting pressure goes on
increasing slowly.
1. Relieving spherical seat of the Valve
cone damaged.
1. Replace the Valve cone assembly (13).
2. Dirt found in between the seating
and the valve cone.
2. Clean the seating area and Reassemble.
3. After frequent use of adjustment
knob, the pressure setting
becomes impossible.
Wearing out of the Adjusting Screw
(7).
Replace after applying general purpose grease
on threads and at Bearing washer (6).
4. Supply pressure directly connected
to outlet port and making pressure
setting impossible
Valve cone assembly (13) got stuck Dismantle the Valve cone assembly (13).
Clean using kerosene and air jet, reassemble
after applying general purpose grease on
O-ring (13.2) and on the valve cone cylindrical
portion
5. Restricted air flow. Filter element (19) clogged. Clean the filter element or replace.
6. Water level not visible. Dirt on the inner surface of the bowl. Clean the bowl (21.1.1).
7. Air leaks from the bottom of the
Bowl guard (21.3)
O-ring (21.2.3) damaged. Replace the O-ring (21.2.3)
8. Air leaks continuously through the
Drain valve (21.2).
Valve seat(21.2.1b) damaged. Replace the valve seat (21.2.1b).
Dust on valve seat (21.2.1b) Clean the valve seat and reassemble
9. The knob (1) of drain valve does
not return
Valve components got stuck. Pull the knob and operate. Replace the valve if
problem persist.
CAUTION: When the unit is erected in salty atmosphere, there are good chances of formation of aluminum oxide inside the housing. In
due course the valve cone may get stuck. In this case dismantle the components and clean them using kerosene and air jet. And during
reassembly apply general purpose grease on all the inside surfaces of the housing as protection against corrosion. Also apply grease on
the O-rings and cylindrical portion of the valve cone.
TROUBLESHOOTING