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10 Service and maintenance
35
10
Service and ma inte nance
10.1
Maintenance recommendations
NOTICE
The screw compressor unit can only operate to
your complete satisfaction when the
maintenance work is carefully carried out at the
specified intervals.
In order to facilitate this task, the scope of
supply of the screw compressor unit comprises
the “Maintenance and inspection manual for
Gardner Denver compressors”, in which you
can list your performed maintenance work at
the specified intervals.
You can also have this maintenance work
performed by our trained technicians. Please
ask your Gardner Denver distributor for a
maintenance contract.
10.2
Maintenance electric motor
The electric motor is permanently lubricated. The
maintenance of the electric motor is to be performed in
line with the motor operating instructions.
10.3
Maintenance and inspection
schedule
DANGER
High voltage – Hazard of shock, burn, or
death
•
Be careful with electricity: only work on
screw compressors which are not
powered.
•
There is a risk of electric shock from
charged capacitors! Disconnect the
system from the mains and wait
10 minutes before touching electrical
components. The power capacitors need
this time to discharge.
WARNING
Some parts of the system will still be
pressurized after the system has been
switched off. Small parts propelled at high
speed by compressed air can penetrate the
skin or destroy an eye.
Only perform checks and maintenance after
observing the following:
•
Press the STOP button on the control
panel and wait until the screw
compressor comes to a stop and the
screw compressor unit is depressurized.
•
The pressure gauge shows no more than
< 4.4 PSI.
•
Shortly after shutting off the screw
compressor unit a small residual
pressure may remain.
•
Set the on-site main switch to “0” (OFF)
and secure it against being switched on.
CAUTION
Burn hazard – Hot surfaces
•
Be careful of the hot surfaces of machine
parts when carrying out checks, making
settings and doing maintenance.
Intervals are valid for normal industrial environments
and operating conditions.
In the case of a very dirty atmosphere, the cleaning
intervals have to be shortened as required.
For order numbers see the spare parts list.
Summary of Contents for EnviroAire 15
Page 1: ...Original Operating and Service Manual 15 22 kW USA Id no ZS1093133 00 June 2012...
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Page 52: ...12 Annex 50 Fig 29 all dimensions in Inches...
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