GMCW GRINDMASTER RC400 Manual De Mantenimiento página 14

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Servicing (continued):
5b) Servicing air pump and relief valve. These two components are located on the upper rear section of the brewer,
to the left of the 3-way valve when viewed from rear.

To replace the air pump:
1. Cut the strain relief on the top of the air pump.
2. Disconnect tubing going to check valve.
3. Lift air pump from its grommet.
Follow the sequence in reverse when replacing. Make sure tubing is secured and new straps are installed.

To replace the relief valve:
1. Cut the strain relief on the side of the relief valve going to the 3-way valve.
2. Disconnect tubing going to 3-way valve.
3. Gently lift the relief valve from its cradle. Cut the strain relief on the lower tube.
4. Disconnect the lower tube and raise valve away from home base.
5. Cut the strain relief on the upper tube.
6. Disconnect upper tube.
Follow the same sequence in reverse to reassemble. Please make sure new strain relief straps are installed
on all three tubes. Check for leaks by running the brewer.
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