Cub Cadet Z-Force S Series - Manual (Page 111)

Electrical System
105
5d. Interpretation:
• If the stator fails either or both tests, it is likely to be bad.
• If the stator fails the out put test, but passes the resistance test, there is a possibility that the magnets on
the rotor (flywheel) have lost their fields. This is theoretically possible, but extremely rare in practice.
• It is necessary to remove the flywheel to test the magnets. If the magnets inside the flywheel will draw a
steel screwdriver to them, they are good. If not, the flywheel must be replaced.
6. Regulator/rectifier check: See Figure 7.26.
6a. Check the ground.
• With the engine running and the stator leads re-
connected to the regulator/rectifier, perform a
ground-side voltage-drop test from the regula-
tor/rectifier to the engine block.
• If the voltage reading is greater than 0.1 Volts
D.C., replace or properly fasten the ground wire
that connects the regulator/rectifier to the
engine block. Retest to confirm good connec-
tion.
6b. Bench Test: See Figure 7.27.
• Set a digital multi-meter to read on the X100
Ω
scale.
• With the key OFF and the fuse removed, unplug
all the wires from the regulator/rectifier.
• Remove the regulator/rectifier from the engine
(not strictly necessary, but provides easy
access).
• Make the resistance tests described in the
accompanying table.
• B+ is the D.C. terminal
• A.C.1 is the A.C. terminal nearest B+
• A.C.2 is the A.C. terminal furthest from B+
Figure 7.26
Figure 7.27
A.C.2 A.C.1 B+