Parker PDRD Serie Manual De Uso página 135

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6.3 Preventive Maintenance Programme
To guarantee lasting maximum dryer efficiency and reliability:
Maintenance Maintenance Interval
Activity Description
(standard operating conditions)
Activity
Check POWER ON indicator is lit.
Check control panel indicators.
Check condensate drain.
Clean condenser fins.
Check electrical absorption.
Check refrigerant leaks.
Depressurize the dryer.
Complete drain maintenance.
Depressurize the dryer.
Replace pre--- and post---filter ele-
ments.
Check temperature sensors. Replace Check temperature sensors. Replace
if necessary.
Dryer maintenance kit.
check
The following are available (see par. 8.4):
a) 3 year preventive maintenance kits;
b) service kits
1. compressor kits;
2. fan kits;
3. hot gas valve kits;
4. water condenser kits;
c) individual spare parts.
Z
6.4 Dismantling
The refrigerant and the lubricating oil contained in the circuit
must be recovered in conformity with current local environmen-
tal regulations.
%
structural work
exchanger
pipes/headers
drain
exchanger insulation
pipe insulation
compressor
condenser
refrigerant
valves
electrical cables
service
Recycling
Disposal
steel/epoxy---polyester resins
aluminium
copper/aluminium/carbon steel
brass/PC
EPS (sintered polystyrene)
synthetic rubber
steel/copper/aluminium/oil
steel/copper/aluminium
R407C
brass
copper/PVC
6
PDRD265 ---1000