5.4.5 Adjust the power of the WOS system
T4e 20-60
❒ Remove the geared motor from the back of the boiler
❒ Remove middle and lower back panel
❒ Push the clamping lever (A) up, against the spring’s force, and remove the non-
threaded stud and spring cotter pin
❒
Carefully guide the clamping lever (A) downwards
❒ Hook the tension spring into the applicable hole on the carrier plate (B)
❒ Push the lever up and attach it at the applicable hole of the console (C) using the
non-threaded stud and spring cotter pin
EFFECT: The more tension is applied to the spring, the less force is required to clean
the WOS pipes, and the more the impact is damped.
Servicing the system
5
Maintenance work by technicians
Operating Instructions T4e | B1560520_en 67
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