Technical Manual WD 230 and WD 250
Rev. 1.8 PF
Page 10
73018_E rev 1 8-Technical Manual.doc
Assembly of the blower box
Dosing System
Check dosing system for leaks and accuracy.
The dosing hoses
should be replaced at each service cycle
. Check connection el-
bows of wash chamber for leaks and hose connections for clamp-
ing torque of clamps. At each maintenance cycle or replacement
of a safety related component, system needs to be recalibrated.
Frequency: min. once per year!
The dosage system must be newly calibrated after every mainte-
nance service or every change of detergents!
Flow Meter (Option)
The flow meters must be regularly checked for their proper func-
tion. The number of pulses of water is approximately 4000 beats
per liter.
Water Intake Valves
The water intake valves must be checked for connection safety and throughput capacity.
In case of improper tightness, valves must be replaced. The valve pre-filters must be
cleaned or replaced if damaged.
Recoil Cap at Entry of Water
Due to hygienic reasons, the silicone barrier should be checked regularly at the entry of
water. In case of discoloration, the silicon barrier ought to be changed (Item No 74146).