7 Maintenance
70
7.3.10 Replacement of O
2
silica gel and protective filter
1. Turn OFF the pump 1 and pump 2 switches.
2. Remove the air filter together with fixing plate.
3. Disconnect the tube connected to the relay joint 2.
4. Disconnect the joint connected to the protective filter.
5. Take out the silica gel with the protective filter.
6. Remove the cap and the protective filter from silica gel.
7. Replace the protective filter.
8. Replace the silica gel and assemble it by the reversed procedure.
Note
In inserting the tube into the silica gel, be careful not to break the tube.
Fig. 62 O
2
silica gel and protective filter
Relay joint 2
Tube
Relay joint 1
Protective filter
Cap
Silica gel
(9080003000)
Joint
(9057005300)
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