Rotor – Cub Cadet MTD P90 Series User Manual

Page 78

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P90 Series Vertical Shaft Engines

72

Rotor

Rotor failures are extremely rare.

To check the rotor:

Confirm that the magnets are firmly attached to
the flywheel.

Hold a screwdriver or a similar tool made of fer-
rous metal within a 1/4” of each magnet.

If the tool is drawn to the magnet, the rotor is
good.

Chapter 6: Specification Table

Description

Specification

Flywheel nut

74 - 85 ft lbs (100 - 115Nm)

Alternator stator screws

80 - 106 in lbs (9 - 12 Nm)

Starter mounting screws

195 - 221 in lbs (9 - 12Nm)

AC output

11 - 20 Vac @ 3,300 RPM

DC output

13.75 - 15.5 Vdc @ 3,300 RPM

Starter armature resistence

<0.2

Ω

Alternator stator resistence

0.5 - 1.0

Ω

Figure 6.44

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