The drum switch can be tested by itself or as part of the reversing circuit.
Reversing drum switch diagram.
Figure 2a shows the drum switch contacts when the switch is in the reverse position figure 2b shows the contacts when the switch is in the off position and figure 2c shows the contacts when the switch is in the forward position.
Figure 3a shows an ac single phase motor connected to a drum switch.
By july 11 2008.
Figure 1 shows a picture of the drum switch and figure 2 shows a diagram of the drum switch contacts.
Reversing drum switch wiring diagram.
Drum switch wiring diagram wiring diagram is a simplified up to standard pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the skill and signal contacts surrounded by the devices.