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| User Manual
Maintenance and repair of the dryer
42
BSP-MT
1-8/D3
Maintenance work to be completed every 24 months
Replace the membranes of solenoid valves
You should replace the membranes of solenoid valves every two years. Proceed as described
in section Replace solenoid valves . You must, however, replace the membranes only (con-
tained in the Service Kit for 24 months).
Maintenance work to be completed every 48 months
Replace check valves
Check valves are wear parts and must thus be replaced every 48 months, even if no damage
is visible.
Release pressure from dryer and shut down
the unit (see page 30 ).
Remove the securing screws at the rear of
the check valve plate.
Insert new balls and new springs and ensu-
re that they are not jammed.
Replace the seals at the securing screws
and tighten the screws.
If no other maintenance work is to be car-
ried out: Restart the dryer (see page 31 ).
Check valves
