Fig. 1: Cooling water piping compression stage 1
1 Plug
2 Ring gasket
3 Cooling water piping
The cooling system for the compressor consists of 4 sets of cooling water
piping, which connect the cylinders and the cooler. An angle flange is
located on both ends of each cooling water piping. Two sets of cooling water
piping are fitted with a plug at both ends, and two are fitted with a plug at
one end only. To drain the cooling water, it is sufficient to unscrew the bottom
plug in each cooling water piping.
1. Provide collection containers with sufficient capacity or a suitable outlet
for the cooling water (up to 50 litres).
2. Close cooling water inlet and outlet and secure against being opened
again.
3. Use the pressure gauge to make sure that the cooling system is dep-
ressurised.
4. Unscrew the lower plugs on all four sets of cooling water piping and
allow the cooling water to drain into the containers provided or the
outlet.
5. Remove old ring gaskets and dispose of in an environmentally sound
manner
6. Clean all sealing surfaces.
7. Screw all plugs in again with new ring gaskets.
Draining the cooling
water
14 | WP5000 Basic WA 41013675 en GB 20190916
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