1
2
3
4
5
6
Fig. 25:
Loosening the fan cover on the scroll pump
1 Gas ballast valve
4
Hexagon socket screw
2 Fan cover
5
Exhaust connection without protective cap
3 Washer
6
Accessory connection
Loosening the fan cover
1. Remove any power supply plugs from the accessory connections (e.g., pressure sensor).
2. Unscrew the 2 hexagon socket screws with washers from the fan cover.
3. Remove the protective cap from the exhaust connection.
1
2
3
4
Fig. 26:
Removing the fan cover from the scroll pump
1 Fan cover
3
Connecting socket for air cooling
2 Electronic drive unit
4
Fan cable
Removing the fan cover
1. Pull the fan cover at the bottom slightly to the front.
2. Undo the plug of the fan cable on the electronic drive unit.
– Be careful with the circlip.
3. Lift the fan cover over the gas ballast valve and the exhaust connection.
4. Seal off the exhaust connection with the original protective cover.
Maintenance
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Summary of Contents for HISCROLL 12
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