Eco Trolley Manual revision 01/10
14
6.2 SPECIAL PRECAUTIONS
When carrying out maintenance or repair jobs, it is recommended to proceed as follows:
•
Before starting, put out a panel reading "EXHAUSTER BEING SERVICED" in a visible position.
•
Do not use solvents and flammable materials;
•
Do not release lubricants into the environment;
•
Machine parts are not designed to bear a person's weight; do not stand on them or they could break.
•
When job is completed, restore and correctly fasten all protections and guards previously removed or
opened, as well as any safety device, if previously disabled.
6.3 PARTS SUBJECT TO ROUTINE MAINTENANCE
Maintenance shall be carried out with the Exhauster set out of service for replacement of damaged or worn
parts. The Exhauster does not require frequent maintenance. If compressed air does not meet indicated
requirements, the following could get damaged:
Pressure regulator
1. Solenoid
valve
2. Filter
cartridge
3. Dedusting
device
4. Condensate
drain
Should filter cartridge break, this could damage the turbine unit (6).
1) Remove the regulator:
•
close air feed;
•
release any residual air by opening the
condensate drain cock;
•
remove the upper cover;
•
Take the pressure to zero by turning the
adjuster knob anticlockwise;
•
Remove the knob by pulling it;
•
disconnect the lines, loosen and remove the
regulator;
•
clean/change and refit the regulator;
•
reassemble by following the reverse
procedure.
•
Restore 5 bar pressure.
2) Replace solenoid valve if it jams. Change as
follows:
•
close air feed;
•
release any residual air by opening the
condensate drain cock;
•
remove the upper cover;
•
remove the connector by undoing the retaining
screw;
•
remove the connecting tube;
•
remove the bottle by unscrewing it from the
support;
•
unscrew the solenoid valve;
•
clean and/or change the solenoid valve;
•
reassemble by following the reverse
procedure.
