Parker PDRD Series, User Manual

Page: 6 / 129

3
PDRD10---PDRD100
English
6 Maintenance
a) The machine is designed and built to guarantee continuous
operation; however, the life of its components depends on the
maintenance performed;
b) when requesting assistance or spare parts, identify the ma-
chine (model and serial number) by reading the dataplate lo-
cated on the unit.
6.1 General instructions
!
Before any maintenance, make sure:
S
the pneumatic circuit is no longer pressurized;
S
the dryer is disconnected from the main power supply.
Y
Always use the Manufacturer’s original spare parts: other-
wise the Manufacturer is relieved of all liability regarding ma-
chine malfunctioning.
Y
In case of refrigerant leakage, contact qualified and author-
ized personnel.
Y
The Schrader valve must only be used in case of machine
malfunction: otherwise any damage caused by incorrect refriger-
ant charging will not be covered by the warranty.
6.2 Refrigerant
Z
Charging: any damage caused by incorrect refrigerant replace-
ment carried out by unauthorized personnel will not be covered
by the warranty.
Y
At normal temperature and pressure, the R134a refrigerant
is a colourless gas classified in SAFETY GROUP A1 --- EN378
(group 2 fluid according to Directive PED 97/23/EC).
!
In case of refrigerant leakage, ventilate the room.
6.3 Preventive Maintenance Programme
To guarantee lasting maximum dryer efficiency and reliability:
Maintenance
Activity Description
Maintenance Interval
(standard operating conditions)
Activity
Da
ily
W
eekly
4M
on
th
s
12
M
ont
hs
Check POWER ON indicator is lit.
Check control panel indicators.
Check condensate drain.
Clean condenser fins.
Check electrical absorption.
Depressurize the dryer.
Complete drain maintenance.
Depressurize the dryer.
Repalce pre--- and post---filter ele-
ments.
check service
The following are available (see par. 8.4):
a) compressor kits;
b) fan kits;
c) automatic expansion valve kits;
d) individual spare parts.
6.4 Dismantling
Z
The refrigerant and the lubricating oil contained in the circuit
must be recovered in conformity with current local environmen-
tal regulations.
Recycling
Disposal
structural work steel/epoxy---polyester resins
exchanger aluminium
pipes aluminium/copper
drain polyamide
exchanger insulation EPS (sintered polystyrene)
pipe insulation synthetic rubber
compressor steel/copper/aluminium/oil
condenser steel/copper/aluminium
refrigerant R134a
valves brass
electrical cables copper/PVC