&S_a_on Service & Troubleshooting Guide' Home Generator Systems
_ Model 1938 (I 0kW) Generator Assembly
See "Removing The Meccalte-Generator" (Page 46).
•, If resistance reading is OK:
• Check for defective lead wire between terminal block
and circuit breaker.
• Re-assemble the standby generator enclosure.
Checking The
Winding (BCW)
Access Requirements:
• Roof Removal
• Muffler Box Removal
• Fuel Line From Regulator Removal
Battery Charge
Page46
Page46
Page47
Related Fault Indications:
• Dead Unit ([ ]) No Blink
• Low Battery Voltage ([ • ]) One Blink
Gain access to the battery charge winding leads as
mentioned above.
• Disconnect Wire #66 and Wire #77 from the Brown
wires, on the terminal block.
NOTE: Always check individual windings to
ground.
• Measure the resistance value of the battery charge
winding as shown in figure 43.
should be measured.
•• If not:
• Check for short-to-ground.
•, If none:
I Replace Stator I
See "Removing The Meccalte-Generator" (Page 46).
•, If resistance reading is OK:
• Check for a defective lead wire in the harness.
• Re-assemble the standby generator enclosure.
Checking The Rotor Winding
Access Requirements:
• Roof Removal Page 46
• Muffler Box Removal Page 46
• Fuel Line From Regulator Removal Page 47
• Alternator Bulkhead Removal Page 48
Related Fault Indications:
• Low Voltage ([ • • • ]) Three Blinks
Gain access to the rotor winding leads as mentioned above.
44
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