POSEIDON PE 100-T, Инструкция по эксплуатации

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WARNING
Instruction Manual
w
PE 100-T
18
though a cartridge is installed, the O-rings are either broken
or were damaged on installation.
Remove and check cartridge. If necessary replace cartridge
or O-rings.
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Fig. 20 Safety bore
Venting bore
No cartridge
Cartridge installed
Filter cartridge installation
On filter system P11 the cartridge is fitted to the filter head
from below (1, Fig. 21). The two o-rings at the cartridge
neck ensure pressure tightness of the venting hole. The
lower o-ring at the filter head ensures pressure tightness of
the filter housing. Screw in filter head hand-tight, only. The
upper o-ring should just touch the housing, because it is not
used for pressure tightness. So do not exert force, avoid
squeezing the o-ring (2, Fig. 21). Max. 1 Nm.
Fig. 21 Cartridge installation
1 2
LIFETIME
The filter system is subject to dy­
namic load. It is designed for a cer­
tain number of load cycles, which
originate from an abrupt pressure loss at condensate
drain (1 load cycle i.e. condensate drain = 1 depressu­
rization, 1 pressurization). The filter housing has to be
inspected internally by an expert after having reached
1/4 of the determined number of load cycles. The in­
spections have to be arranged by the operator. After
reaching the max. number of load cycles the filter as­
sembly must be replaced, otherwise the housing may
burst due to material fatigue.
The max. number of load cycles for the P11 Central Filter As­
sembly is
4,000 if operated at the max. allowable pressure
difference range of 330 bar (4,700 psi). For a pressure dif­
ference of 225 bar (3,200 psi) the max. no. of load cycles is
35,000 .
To avoid exceeding the max. number of load cycles the op­
erating hours should be recorded in the service manual. On
condition that a max. number of four cycles per hour is not
exceeded (condensate is drained every 15 minutes) the
max. number of operating hours is
1,000 for 330 bar
units, and 8,750 for 225 bar units .
GENERAL INSTRUCTIONS FOR FILTER MAINTENANCE
- Depressurize system before starting any maintenance
work.
- Dry inside of filter housing with a clean cloth before in­
stalling new cartridge and check for corrosion. Change
if necessary.
- Lubricate threads and O-rings as well as threaded part
of cartridge with white petrolatum DAB 9 order no.
N19091 or WEICON WP 300 white order no. N19752.
- Record number of pressure bottles and/or operating
hours to ensure exact attention to maintenance inter­
vals.
- Change cartridge before reactivating a compressor unit
after out-of-service periods of more than 3 months.
- Leave cartridge in the filter as long as unit is out of ser­
vice.
- Keep all condensate drain valves and taps closed. Keep
a minimum pressure of approx. 50 to 80 bar (700 to
1,100 psi) within the system to prevent moisture enter­
ing the compressor piping and filter system.
CONDENSATE DRAINAGE
Drain condensate from separator and cartridge chamber
regularly by slowly opening drain taps (6, Fig. 19)
-
before changing cartridge
- before each filling procedure
- during filling procedure every 15 minutes .
Slowly open left tap first, then right tap approx. 1/3 turn to
the left, until condensate is completely drained. The taps
close by spring pressure, if necessary tighten by hand to
make sure they are completely air-tight.