Hoshizaki KM-40B Service Manual page 64

Evaporator
7) The Bin Control Switch (KM-40B) pulled out of the Storage Bin has the internal
structure as shown below.
Bin Switch Case
Hold here and pull toward you
Pull
Fig. 16
Reed Switch
Bin Switch Plate
Fig. 17
60
Stopper (A) [both sides]
Lead Hook
Stopper (B) [both sides]
* Fit in Stopper (A)
Reed Switch Cover
Retainer
Pump Motor
Slide Rail
[both sides]