57
CONE NOZZLE
NOZZLES
- Clean the nozzles daily or whenever there is failure in the spray.
FLAT FAN NOZZLE
nozzle cap
nozzle
swirl core
filter
filter
seal
nozzle
nozzle cap
ATTENTION
The flat fan nozzle has a red
seal made of a material subject
to crush to facilitate sealing.
Therefore the use of threaded
nozzle cap is not recommended.
PROBLEM
CORRECTION
CAUSE
a - Nut (1) not tightened properly.
b - Impurities on the diaphragm.
c - Rupture of the diaphragm.
d - Rupture of the diaphragm follo-
wed by chemicals buildup.
a - Tighten the nut (1).
b - Remove and clean the diaphragm.
c - Replace the diaphragm.
d - Replace the diaphragm and clean
the plunger assembly
Valve does not seal.
a - Seal (2) missing.
b - Seal (2) damaged.
c - Nut (1) not tightened properly.
a -Packing ring (3) missing.
b - Packing ring (3) damaged.
c - Part (4) not tightened properly.
a - Fit the packing ring (3).
b - Replace the packing ring (3)
c - Tighten the part (4).
Leakage through the con-
nection with
the spray tube.
Leakage between
the core and
nozzle holder.
Leakage through the
nozzle holder and the
nozzle.
a - Fit the seal (2).
b - Replace the seal (2).
c - Tighten the nut (1).
4
BIJET
NONDRIP DOUBLE NOZZLE HOLDER
After prolonged use, it may be necessary
to service the nondrip valve. Refer to the
drawing beside and table below.
MAINTENANCE
Nozzle holder
6
5
Diaphragm
Plunger
assembly
1
3
2
Core
4
5
a - Nut (5) not tightened properly.
b - Base of filter (6) damaged.
a - Tighten the nut (5).
b - Replace the filter (6).