Generac Power Systems TXP User Manual

Page 56

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3. Set VOM to "+DC" and to "Rxl”

scale. Zero the meter. Connect the

meter test probes to stator wires

listed in CHART below. Meter needle

should sx^dng upscale and indicate

resistances as listed in CHART, If

meter needle does not swing upscale,

the winding being tested Ls ’’open”,

and stator should be replaced.

4. Use an INSULATION BREAKDOWN

tester to test stator windings for

defective insulation. Follow the

tester manufacturer’s instructions

carefully. Test each winding at

2000. volts, from the. winding to

ground, and at 1500 volts between

isolated windings.

NAME OF WINDING

WIRE,NO. READING

Power

Excitation

Battery Charge

11 to 22

33 to 44

2 to 6’

55 to 77

"0742 '

0.42

2.30

0.20

ROTOR

REMOVAL

1. Insert a screwdriver through

engine adapter housing cooling

air slots and between fan blades

to stop rotor from turning. Rem

ove 3 bolts that retain the flex- .

ible coupling to the fan. (LOC-TITE

was applied to threads of these

bokts during assembly.)Remove the

Rotor and Flexible Coupling.

Issued 3-78

6. 3