48
3.2 Routine Maintenance and Service Check.
3.2.1 Fitting Planned Maintenance Kit PN 14000511
Bodoc Seals (1), Backbar Seals (2) and O
2
Probe ‘O’ Ring (3)
are duplicated. The duplicated set is to be placed in one of the
drawers for the user to replace if one is damaged or fails test
during use.
3.2.2 Bodoc Seals
1. Remove cylinders from the yokes, then remove the old Bodoc Seal
and replace with new ones.
2. Refi t the cylinder.
3.2.3 Backbar Seals
1. Remove vaporizers from the Selectatec backbar then remove all
four seals.
2. Replace with new ones.
3.2.4 Backbar Dzus Springs
1. Remove the two Dzus Spring assemblies by undoing the two
screws (in the diagonal corners of the plate). Lift the place up,
taking care not to drop the index pin. The index pin must be fi tted
to the new Dzus Spring assembly before fi tting new item.
2. Refi t the vaporizers and check that they locate and lock on the
backbar currently.
3.2.5 Absorber Stop/’O’ Ring
1. Remove the ‘O’ Ring from the absorber blanking plugs and
absorber stop, then replace them. (The new cell is supplied with
‘O’ ring fi tted.)
3.2.6 Pipeline Fitting and ‘O’ Ring
1. Disconnect pipelines from their supply. Disconnect the pipeline
connection from the BleaseSirius.
2. Unscrew the two small grub screws until the main body of the
connection is free to rotate.
3. Unscrew the connector, the fi lter and ‘O’ Ring can now be changed.
Planned Maintenance