5-78
5
M
A
INTE
NAN
CE
ADVANCE 2000
After the equipment has been used for an
extended period of time the need will arise
to do maintenance on the anti-drip valves on
the nozzle holders.
We present in the table below the problems
that may arise as well as the indications, the
causes and correction:
Quadrijet nozzle holder (optional)
Problem
Cause
Correction
Valve
does
not seal.
a. Impurities on the diaphragm.
b. Rupture of the diaphragm.
c. Rupture of the diaphragm fol-
lowed by chemicals buildup.
d. Nut (1) not tightened properly.
a. Remove and clean the dia-
phragm
b. Replace the diaphragm
c. Replace the diaphragm and
clean the plunger assembly
d.Tighten the nut (1).
Leakage between the
nozzle holder and the
body.
a. Seal (2) missing.
b. Seal (2) damaged.
c. Nut (1) not tightened properly.
a. Fit the seal (2).
b. Replace the seal (2).
c. Tighten the nut (1).
Leakage at the con-
nection with the pipe.
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 bolts of the part (4).
Leakage between the
nozzle holder and
the nozzle
(threaded sleeve).
a. Nut (5) not tightened properly.
b. Base of filter (6) damaged.
a. Tighten the nut (5).
b. Replace the filter (6).
Leakage between the
nozzle holder and the
nozzle.
a. Quick fitting nut not fitted properly.
b. Packing ring (7) damaged.
c. Base of filter (8) damaged.
a. Fit the quick fitting nut.
b. Replace the packing ring (7).
c. Replace the filter (8).
1
3
2
7
6
5
4
Table 12: Problem, cause and correction Quadrijet nondrip quadruple nozzle holder
Summary of Contents for Advance 2000 AM-18
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