Ingersoll-Rand TZ1050, User Manual

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USER MANUAL
MODEL NO.: TZ730–1710
Rev. 08 – 14 September 2005
14
4.1.3 W
HICHEVER
I
S
F
IRST
: A
FTER
2,500 O
PERATING
H
OURS OR
A
NNUALLY

Check the desiccant for impurities and change it if necessary (see paragraph
4.3). A brownish/yellowish tone indicates that it has been soiled with oil. The
desiccant has a normal lifetime of about 10,000 operating hours.

Check the outlet desiccant screens installed in the unit and, if necessary, clean
them.

Check the function of the inlet valve assembly by sending electrical control
signals.

Check the seat gaskets on the outlet check valves.

Replace the dewpoint sensor humidity probe (return the original for calibration).
NOTE: In order to ensure continuous and trouble-free operation, a maintenance
contract with
I I n n g g e e r r s s o o l l l l - - R R a a n n d d
®
®
is recommended.
4.2 CHANGING THE FILTER ELEMENT

The filter element within the filter housing must be replaced when a differential
pressure of greater than 5 psi(d) has been reached or after one year of operation

Depressurize the dryer and switch DRYER OFF
Danger!
Change filter elements only when the housing is fully
depressurized

Separate the lower part of the housing from the upper part

Loosen and remove the element by hand

Install the new filter and the O-ring gasket, making sure that the filter seats
perfectly

Refit the filter housing.
NOTE: Filter elements cannot be cleaned or reused.
4.3 REPLACEMENT OF THE DESICCANT
Dessicant life is determined by the quality of inlet air. Proper filtering of inlet air will
extend the life of the dessicant.
In order to ensure trouble-free operation, we
recommend replacing the desiccant every 10,000 operating hours, or at least every 3
years.