5
5.1
Preservation
This chapter describes the preservation work that is required before and
after storing the Sauer-Compressor for a long period.
Preservation for decommissioning of
longer than 12 weeks
If the Sauer-Compressor is scheduled to be decommissioned for longer than
12 weeks, Sauer USA recommends preser-vation with a preservation oil. If
this preservation is carried out, periodic test runs are not needed.
Use one of the preservation oils specified in the "Oil recom-
mendation for Sauer
-Compressors".
Personnel:
n
Service personnel
Protective equipment:
n
Hearing protection
n
Safety goggles
n
Protective gloves
n
W
ork clothing
n
Safety boots
Tool:
n
Measuring beaker
n
Oil injector
Material:
n
Preservation oil
1. Open any closed stop valves on the pressure line so that the pressure
to the pressure reservoir can escape safely
.
2. Disconnect the power supply for the solenoid drain valves from the
compressor control. Open the manual drain valves.
ð
The solenoid drain valves remain open.
3. Run the compressor for around 5 minutes with the solenoid drain
valves and pressure line open.
ð
Any existing condensate is blown out.
4. Stop the compressor
.
5. Drain the oil and dispose of in an environmentally sound manner
.
Ä
Chapter 4.1.1 ‘Changing the oil and cleaning the oil strainer’
on page 19
6. Fill the compressor with preservation oil up to 3/4 of the regular oil
sump capacity
.
7. Run the compressor for around 5 minutes with the solenoid drain
valves and pressure line open.
ð
The preservation oil disperses in the oil circuit.
8. Stop the compressor
.
PRESERVATION
WP5000 Basic WA 41013675 en GB 20190916 | 61
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