PUMP GP-GEAR 2573980 - Caterpillar

Description
Illustration 1 g01277831
(1) Transformer "T2" (1) Transformer "T1"Transformer "T1" (2) and Transformer "T2" (1) are multitap transformers that provide AC power to the Power Distribution PWA. Transformer "T1" (2) is supplied from the input of the UPS. Transformer "T2" (1) is supplied from the protected output of the UPS. The transformers are installed on the left panel of the cabinet. Refer to Illustration 1 for the locations of the transformer.Removal Procedure
Refer to Systems Operation, Testing and Adjusting, RENR9988, "Internal Component Preremoval Steps (Flywheel Cabinet)" in order to shut down the system and gain access to internal components.
Remove the two screws that attach the thermistor to the terminal block.
Remove each thermistor from the terminal block.Note: One screw is attached to the "H1" terminal connector and one screw is attached to the "COM" or "H2" terminal connector.Installation Procedure
Illustration 2 g01277850
Wiring for the Transformer
Place one lead of the thermistor into the "H1" connector. Place one lead into the "COM" or "H2" connector. Refer to Illustration 2.
Tighten the two screws in order to firmly attach the thermistor.
Table 1
Specifications for the Transformer    
    Input (V)     Output (V)     Wire Gauge (AWG)    
T1     380, 400, 415, 480     190, 230     10-22    
T2     380, 400, 415, 480     190, 230     10-22    
Table 2
Specifications for the Thermistor    
    Size     Ohm    
T1     32 mm     20    
T2     32 mm     20